chore: Update plugin to 0.9.13 version

Move send and compress button to right bottom corner

.clang-format

@@ -0,0 +1,108 @@
+# .clang-format from Qt Creator
+# https://github.com/qt-creator/qt-creator/blob/master/.clang-format
+#
+# yaml-language-server: $schema=https://json.schemastore.org/clang-format.json
+#
+---
+Language:        Cpp
+AccessModifierOffset: -4
+AlignAfterOpenBracket: AlwaysBreak
+AlignConsecutiveAssignments: None
+AlignConsecutiveDeclarations: None
+AlignEscapedNewlines: DontAlign
+AlignOperands:   Align
+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortBlocksOnASingleLine: Never
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: Inline
+AllowShortIfStatementsOnASingleLine: Never
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: false
+AlwaysBreakTemplateDeclarations: Yes
+BinPackArguments: false
+BinPackParameters: false
+BraceWrapping:
+  AfterClass:      true
+  AfterControlStatement: Never
+  AfterEnum:       false
+  AfterFunction:   true
+  AfterNamespace:  false
+  AfterObjCDeclaration: false
+  AfterStruct:     true
+  AfterUnion:      false
+  BeforeCatch:     false
+  BeforeElse:      false
+  IndentBraces:    false
+  SplitEmptyFunction: false
+  SplitEmptyRecord: false
+  SplitEmptyNamespace: false
+BreakBeforeBinaryOperators: All
+BreakBeforeBraces: Custom
+BreakBeforeInheritanceComma: false
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+BreakConstructorInitializers: BeforeComma
+BreakAfterJavaFieldAnnotations: false
+BreakStringLiterals: true
+ColumnLimit:    100
+CommentPragmas:  '^ IWYU pragma:'
+CompactNamespaces: false
+ConstructorInitializerAllOnOneLineOrOnePerLine: false
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 4
+Cpp11BracedListStyle: true
+DerivePointerAlignment: false
+DisableFormat:   false
+ExperimentalAutoDetectBinPacking: false
+FixNamespaceComments: true
+ForEachMacros:
+  - forever # avoids { wrapped to next line
+  - foreach
+  - Q_FOREACH
+  - BOOST_FOREACH
+IncludeCategories:
+  - Regex:           '^<Q.*'
+    Priority:        200
+IncludeIsMainRegex: '(Test)?$'
+IndentCaseLabels: false
+IndentWidth:     4
+IndentWrappedFunctionNames: false
+InsertBraces: false
+JavaScriptQuotes: Leave
+JavaScriptWrapImports: true
+KeepEmptyLinesAtTheStartOfBlocks: false
+# Do not add QT_BEGIN_NAMESPACE/QT_END_NAMESPACE as this will indent lines in between.
+MacroBlockBegin: ""
+MacroBlockEnd:   ""
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+ObjCBlockIndentWidth: 4
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: true
+PenaltyBreakAssignment: 88
+PenaltyBreakBeforeFirstCallParameter: 300
+PenaltyBreakComment: 500
+PenaltyBreakFirstLessLess: 400
+PenaltyBreakString: 600
+PenaltyExcessCharacter: 50
+PenaltyReturnTypeOnItsOwnLine: 300
+PointerAlignment: Right
+ReflowComments:  false
+SortIncludes: CaseSensitive
+SortUsingDeclarations: true
+SpaceAfterCStyleCast: true
+SpaceAfterTemplateKeyword: false
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeParens: ControlStatements
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 1
+SpacesInAngles:  Never
+SpacesInContainerLiterals: false
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard: c++17
+TabWidth:        4
+UseTab:          Never

.github/FUNDING.yml

@@ -3,7 +3,7 @@
 github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
 patreon: # Replace with a single Patreon username
 open_collective: # Replace with a single Open Collective username
-ko_fi: petrmdev
+ko_fi: qodeassist
 tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
 community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
 liberapay: # Replace with a single Liberapay username
@@ -12,4 +12,4 @@ lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cl
 polar: # Replace with a single Polar username
 buy_me_a_coffee: # Replace with a single Buy Me a Coffee username
 thanks_dev: # Replace with a single thanks.dev username
-custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
+custom: ['https://www.paypal.com/paypalme/palm1r', 'https://github.com/Palm1r/QodeAssist#support-the-development-of-qodeassist']

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,28 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Log**
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/scripts/plugin.json

@@ -0,0 +1,109 @@
+{
+    "name": "QodeAssist",
+    "vendor": "Petr Mironychev",
+    "tags": [
+        "code assistant",
+        "llm",
+        "ai"
+    ],
+    "compatibility": "Qt 6.8.3",
+    "platforms": [
+        "Windows",
+        "macOS",
+        "Linux"
+    ],
+    "license": "GPLv3",
+    "version": "0.5.11",
+    "status": "draft",
+    "is_pack": false,
+    "released_at": null,
+    "version_history": [
+        {
+            "version": "0.4.0",
+            "is_latest": false,
+            "released_at": "2024-01-24T15:00:00Z"
+        },
+        {
+            "version": "0.5.2",
+            "is_latest": false,
+            "released_at": "2025-03-13T17:00:00Z"
+        },
+        {
+            "version": "0.5.3",
+            "is_latest": false,
+            "released_at": "2025-03-14T11:00:00Z"
+        },
+        {
+            "version": "0.5.4",
+            "is_latest": false,
+            "released_at": "2025-03-17T03:00:00Z"
+        },
+        {
+            "version": "0.5.5",
+            "is_latest": false,
+            "released_at": "2025-03-20T19:00:00Z"
+        },
+        {
+            "version": "0.5.6",
+            "is_latest": false,
+            "released_at": "2025-04-04T19:00:00Z"
+        },
+        {
+            "version": "0.5.7",
+            "is_latest": false,
+            "released_at": "2025-04-14T01:00:00Z"
+        },
+        {
+            "version": "0.5.8",
+            "is_latest": false,
+            "released_at": "2025-04-17T10:00:00Z"
+        },
+        {
+            "version": "0.5.9",
+            "is_latest": false,
+            "released_at": "2025-04-21T10:00:00Z"
+        },
+        {
+            "version": "0.5.10",
+            "is_latest": false,
+            "released_at": "2025-04-24T10:00:00Z"
+        },
+        {
+            "version": "0.5.11",
+            "is_latest": false,
+            "released_at": "2025-04-24T21:00:00Z"
+        },
+        {
+            "version": "0.5.12",
+            "is_latest": true,
+            "released_at": "2025-05-01T17:00:00Z"
+        }
+    ],
+    "icon": "https://github.com/user-attachments/assets/dc336712-83cb-440d-8761-8d0a31de898d",
+    "small_icon": "https://github.com/user-attachments/assets/8ec241bf-3186-452e-b8db-8d70543c2f41",
+    "description_paragraphs": [
+        {
+            "header": "Description",
+            "text": [
+                "QodeAssist is an AI-powered coding assistant plugin for Qt Creator. It provides intelligent code completion and suggestions for C++ and QML, leveraging large language models through local providers like Ollama. Enhance your coding productivity with context-aware AI assistance directly in your Qt development environment."
+            ]
+        }
+    ],
+    "description_links": [
+        {
+            "url": "https://github.com/Palm1r/QodeAssist",
+            "link_text": "Site"
+        }
+    ],
+    "description_images": [
+        {
+            "url": "https://github.com/user-attachments/assets/255a52f1-5cc0-4ca3-b05c-c4cf9cdbe25a",
+            "image_label": "Code Completion"
+        }
+    ],
+    "copyright": "(C) Petr Mironychev",
+    "download_history": {
+        "download_count": 0
+    },
+    "plugin_sets": []
+}

.github/scripts/registerPlugin.js

@@ -0,0 +1,147 @@
+const fs = require('fs');
+const path = require('path');
+
+const updatePluginData = (plugin, env, pluginQtcData) => {
+  const dictionary_platform = {
+    'Windows': `${env.PLUGIN_DOWNLOAD_URL}/${env.PLUGIN_NAME}-${env.QT_CREATOR_VERSION}-Windows-x64.7z`,
+    'Linux': `${env.PLUGIN_DOWNLOAD_URL}/${env.PLUGIN_NAME}-${env.QT_CREATOR_VERSION}-Linux-x64.7z`,
+    'macOS': `${env.PLUGIN_DOWNLOAD_URL}/${env.PLUGIN_NAME}-${env.QT_CREATOR_VERSION}-macOS-universal.7z`
+  };
+
+  plugin.core_compat_version = env.QT_CREATOR_VERSION_INTERNAL;
+  plugin.core_version = env.QT_CREATOR_VERSION_INTERNAL;
+  plugin.status = "draft";
+
+  plugin.plugins.forEach(pluginsEntry => {
+    pluginsEntry.url = dictionary_platform[plugin.host_os];
+    pluginsEntry.meta_data = pluginQtcData;
+  });
+  return plugin;
+};
+
+const createNewPluginData = (env, platform, pluginQtcData) => {
+  const pluginJson = {
+    "status": "draft",
+    "core_compat_version": "<placeholder>",
+    "core_version": "<placeholder>",
+    "host_os": platform,
+    "host_os_version": "0", // TODO: pass the real data
+    "host_os_architecture": "x86_64", // TODO: pass the real data
+    "plugins": [
+      {
+        "url": "",
+        "size": 5000, // TODO: check if it is needed, pass the real data
+        "meta_data": {},
+        "dependencies": []
+      }
+    ]
+  };
+
+  updatePluginData(pluginJson, env, pluginQtcData);
+  return pluginJson;
+}
+
+const updateServerPluginJson = (endJsonData, pluginQtcData, env) => {
+  // Update the global data in mainData
+  endJsonData.name = pluginQtcData.Name;
+  endJsonData.vendor = pluginQtcData.Vendor;
+  endJsonData.version = pluginQtcData.Version;
+  endJsonData.copyright = pluginQtcData.Copyright;
+  endJsonData.status = "draft";
+
+  endJsonData.version_history[0].version = pluginQtcData.Version;
+
+  endJsonData.description_paragraphs = [
+    {
+      header: "Description",
+      text: [
+        pluginQtcData.Description
+      ]
+    }
+  ];
+
+  let found = false;
+  // Update or Add the plugin data for the current Qt Creator version
+  for (const plugin of endJsonData.plugin_sets) {
+    if (plugin.core_compat_version === env.QT_CREATOR_VERSION_INTERNAL) {
+      updatePluginData(plugin, env, pluginQtcData);
+      found = true;
+    }
+  }
+
+  if (!found)  {
+    for (const platform of ['Windows', 'Linux', 'macOS']) {
+      endJsonData.plugin_sets.push(createNewPluginData(env, platform, pluginQtcData));
+    }
+  }
+
+  // Save the updated JSON file
+  const serverPluginJsonPath = path.join(__dirname, `${env.PLUGIN_NAME}.json`);
+  fs.writeFileSync(serverPluginJsonPath, JSON.stringify(endJsonData, null, 2), 'utf8');
+};
+
+const request = async (type, url, token, data) => {
+  const response = await fetch(url, {
+    method: type,
+    headers: {
+      'Authorization': `Bearer ${token}`,
+      'accept': 'application/json',
+      'Content-Type': 'application/json'
+    },
+    body: data ? JSON.stringify(data) : undefined
+  });
+  if (!response.ok) {
+    const errorResponse = await response.json();
+    console.error(`${type} Request Error Response:`, errorResponse); // Log the error response
+    throw new Error(`HTTP error! status: ${response.status}`);
+  }
+  return await response.json();
+}
+
+const put = (url, token, data) => request('PUT', url, token, data)
+const post = (url, token, data) => request('POST', url, token, data)
+const get = (url, token) => request('GET', url, token)
+
+const purgeCache = async (env) => {
+  try {
+    await post(`${env.API_URL}api/v1/cache/purgeall`, env.TOKEN, {});
+    console.log('Cache purged successfully');
+  } catch (error) {
+    console.error('Error:', error);
+  }
+};
+
+async function main() {
+  const env = {
+    PLUGIN_DOWNLOAD_URL: process.env.PLUGIN_DOWNLOAD_URL || process.argv[2],
+    PLUGIN_NAME: process.env.PLUGIN_NAME || process.argv[3],
+    QT_CREATOR_VERSION: process.env.QT_CREATOR_VERSION || process.argv[4],
+    QT_CREATOR_VERSION_INTERNAL: process.env.QT_CREATOR_VERSION_INTERNAL || process.argv[5],
+    TOKEN: process.env.TOKEN || process.argv[6],
+    API_URL: process.env.API_URL || process.argv[7] || ''
+  };
+
+  const pluginQtcData = require(`../../${env.PLUGIN_NAME}-origin/${env.PLUGIN_NAME}.json`);
+  const templateFileData = require('./plugin.json');
+
+  if (env.API_URL === '') {
+    updateServerPluginJson(templateFileData, pluginQtcData, env);
+    process.exit(0);
+  }
+
+  const response = await get(`${env.API_URL}api/v1/admin/extensions?search=${env.PLUGIN_NAME}`, env.TOKEN);
+  if (response.items.length > 0 && response.items[0].extension_id !== '') {
+    const pluginId = response.items[0].extension_id;
+    console.log('Plugin found. Updating the plugin');
+    updateServerPluginJson(response.items[0], pluginQtcData, env);
+
+    await put(`${env.API_URL}api/v1/admin/extensions/${pluginId}`, env.TOKEN, response.items[0]);
+  } else {
+    console.log('No plugin found. Creating a new plugin');
+    updateServerPluginJson(templateFileData, pluginQtcData, env);
+    await post(`${env.API_URL}api/v1/admin/extensions`, env.TOKEN, templateFileData);
+  }
+  // await purgeCache(env);
+}
+
+main().then(() => console.log('JSON file updated successfully'));

.github/workflows/build_cmake.yml

@@ -1,19 +1,24 @@
 name: Build plugin
 
-on: [push]
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - 'v*'
+  pull_request:
+    branches:
+      - main
 
 env:
   PLUGIN_NAME: QodeAssist
-  QT_VERSION: 6.7.2
-  QT_CREATOR_VERSION: 14.0.0
-  QT_CREATOR_SNAPSHOT: NO
   MACOS_DEPLOYMENT_TARGET: "11.0"
   CMAKE_VERSION: "3.29.6"
   NINJA_VERSION: "1.12.1"
 
 jobs:
   build:
-    name: ${{ matrix.config.name }}
+    name: ${{ matrix.config.name }} (Qt ${{ matrix.qt_config.qt_version }}, QtC ${{ matrix.qt_config.qt_creator_version }})
     runs-on: ${{ matrix.config.os }}
     outputs:
         tag: ${{ steps.git.outputs.tag }}
@@ -23,76 +28,59 @@ jobs:
         - {
             name: "Windows Latest MSVC", artifact: "Windows-x64",
             os: windows-latest,
+            platform: windows_x64,
             cc: "cl", cxx: "cl",
             environment_script: "C:/Program Files/Microsoft Visual Studio/2022/Enterprise/VC/Auxiliary/Build/vcvars64.bat",
           }
         - {
-            name: "Ubuntu Latest GCC", artifact: "Linux-x64",
-            os: ubuntu-latest,
+            name: "Ubuntu 22.04 GCC", artifact: "Linux-x64",
+            os: ubuntu-22.04,
+            platform: linux_x64,
             cc: "gcc", cxx: "g++"
           }
         - {
             name: "macOS Latest Clang", artifact: "macOS-universal",
             os: macos-latest,
+            platform: mac_x64,
             cc: "clang", cxx: "clang++"
           }
+        qt_config:
+        - {
+            qt_version: "6.10.1",
+            qt_creator_version: "18.0.2"
+          }
+        - {
+            qt_version: "6.10.3",
+            qt_creator_version: "19.0.1"
+          }
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955
+      with:
+        submodules: recursive
+
     - name: Checkout submodules
       id: git
       shell: cmake -P {0}
       run: |
         if (${{github.ref}} MATCHES "tags/v(.*)")
-            file(APPEND "$ENV{GITHUB_OUTPUT}" "tag=${CMAKE_MATCH_1}\n")
+            file(APPEND "$ENV{GITHUB_OUTPUT}" "tag=${CMAKE_MATCH_1}")
         else()
-            file(APPEND "$ENV{GITHUB_OUTPUT}" "tag=${{github.run_id}}\n")
+            execute_process(
+                COMMAND git rev-parse --short HEAD
+                OUTPUT_VARIABLE short_sha
+                OUTPUT_STRIP_TRAILING_WHITESPACE
+            )
+            file(APPEND "$ENV{GITHUB_OUTPUT}" "tag=${short_sha}")
         endif()
 
     - name: Download Ninja and CMake
-      shell: cmake -P {0}
-      run: |
-        set(cmake_version "$ENV{CMAKE_VERSION}")
-        set(ninja_version "$ENV{NINJA_VERSION}")
+      uses: lukka/get-cmake@2ecc21724e5215b0e567bc399a2602d2ecb48541
+      with:
+        cmakeVersion: ${{ env.CMAKE_VERSION }}
+        ninjaVersion: ${{ env.NINJA_VERSION }}
 
-        if ("${{ runner.os }}" STREQUAL "Windows")
-          set(ninja_suffix "win.zip")
-          set(cmake_suffix "windows-x86_64.zip")
-          set(cmake_dir "cmake-${cmake_version}-windows-x86_64/bin")
-        elseif ("${{ runner.os }}" STREQUAL "Linux")
-          set(ninja_suffix "linux.zip")
-          set(cmake_suffix "linux-x86_64.tar.gz")
-          set(cmake_dir "cmake-${cmake_version}-linux-x86_64/bin")
-        elseif ("${{ runner.os }}" STREQUAL "macOS")
-          set(ninja_suffix "mac.zip")
-          set(cmake_suffix "macos-universal.tar.gz")
-          set(cmake_dir "cmake-${cmake_version}-macos-universal/CMake.app/Contents/bin")
-        endif()
-
-        set(ninja_url "https://github.com/ninja-build/ninja/releases/download/v${ninja_version}/ninja-${ninja_suffix}")
-        file(DOWNLOAD "${ninja_url}" ./ninja.zip SHOW_PROGRESS)
-        execute_process(COMMAND ${CMAKE_COMMAND} -E tar xvf ./ninja.zip)
-
-        set(cmake_url "https://github.com/Kitware/CMake/releases/download/v${cmake_version}/cmake-${cmake_version}-${cmake_suffix}")
-        file(DOWNLOAD "${cmake_url}" ./cmake.zip SHOW_PROGRESS)
-        execute_process(COMMAND ${CMAKE_COMMAND} -E tar xvf ./cmake.zip)
-
-        # Add to PATH environment variable
-        file(TO_CMAKE_PATH "$ENV{GITHUB_WORKSPACE}/${cmake_dir}" cmake_dir)
-        set(path_separator ":")
-        if ("${{ runner.os }}" STREQUAL "Windows")
-          set(path_separator ";")
-        endif()
-        file(APPEND "$ENV{GITHUB_PATH}" "$ENV{GITHUB_WORKSPACE}${path_separator}${cmake_dir}")
-
-        if (NOT "${{ runner.os }}" STREQUAL "Windows")
-          execute_process(
-            COMMAND chmod +x ninja
-            COMMAND chmod +x ${cmake_dir}/cmake
-          )
-        endif()
-
-    - name: Install system libs
+    - name: Install dependencies
       shell: cmake -P {0}
       run: |
         if ("${{ runner.os }}" STREQUAL "Linux")
@@ -100,7 +88,13 @@ jobs:
             COMMAND sudo apt update
           )
           execute_process(
-            COMMAND sudo apt install libgl1-mesa-dev
+            COMMAND sudo apt install
+              # build dependencies
+              libgl1-mesa-dev libgtest-dev libgmock-dev
+              # runtime dependencies for tests (Qt is downloaded outside package manager,
+              # thus minimal dependencies must be installed explicitly)
+              libsecret-1-0 libxcb-cursor0 libxcb-icccm4 libxcb-keysyms1 libxcb-randr0 libxcb-render-util0 libxcb-render0
+              libxcb-shape0 libxcb-shm0 libxcb-sync1 libxcb-xfixes0 libxcb-xkb1 libxkbcommon-x11-0 xvfb
             RESULT_VARIABLE result
           )
           if (NOT result EQUAL 0)
@@ -112,14 +106,19 @@ jobs:
       id: qt
       shell: cmake -P {0}
       run: |
-        set(qt_version "$ENV{QT_VERSION}")
+        set(qt_version "${{ matrix.qt_config.qt_version }}")
+        set(qt_creator_version "${{ matrix.qt_config.qt_creator_version }}")
 
         string(REPLACE "." "" qt_version_dotless "${qt_version}")
         if ("${{ runner.os }}" STREQUAL "Windows")
           set(url_os "windows_x86")
-          set(qt_package_arch_suffix "win64_msvc2019_64")
-          set(qt_dir_prefix "${qt_version}/msvc2019_64")
-          set(qt_package_suffix "-Windows-Windows_10_22H2-MSVC2019-Windows-Windows_10_22H2-X86_64")
+          set(qt_package_arch_suffix "win64_msvc2022_64")
+          set(qt_dir_prefix "${qt_version}/msvc2022_64")
+          if (qt_creator_version VERSION_GREATER_EQUAL "18.0.0")
+            set(qt_package_suffix "-Windows-Windows_11_24H2-MSVC2022-Windows-Windows_11_24H2-X86_64")
+          else()
+            set(qt_package_suffix "-Windows-Windows_11_23H2-MSVC2022-Windows-Windows_11_23H2-X86_64")
+          endif()
         elseif ("${{ runner.os }}" STREQUAL "Linux")
           set(url_os "linux_x64")
           if (qt_version VERSION_LESS "6.7.0")
@@ -128,15 +127,23 @@ jobs:
             set(qt_package_arch_suffix "linux_gcc_64")
           endif()
           set(qt_dir_prefix "${qt_version}/gcc_64")
-          set(qt_package_suffix "-Linux-RHEL_8_8-GCC-Linux-RHEL_8_8-X86_64")
+          if (qt_creator_version VERSION_GREATER_EQUAL "18.0.0")
+            set(qt_package_suffix "-Linux-RHEL_9_4-GCC-Linux-RHEL_9_4-X86_64")
+          else()
+            set(qt_package_suffix "-Linux-RHEL_8_10-GCC-Linux-RHEL_8_10-X86_64")
+          endif()
         elseif ("${{ runner.os }}" STREQUAL "macOS")
           set(url_os "mac_x64")
           set(qt_package_arch_suffix "clang_64")
           set(qt_dir_prefix "${qt_version}/macos")
-          set(qt_package_suffix "-MacOS-MacOS_13-Clang-MacOS-MacOS_13-X86_64-ARM64")
+          if (qt_version VERSION_LESS "6.9.1")
+            set(qt_package_suffix "-MacOS-MacOS_14-Clang-MacOS-MacOS_14-X86_64-ARM64")
+          else()
+            set(qt_package_suffix "-MacOS-MacOS_15-Clang-MacOS-MacOS_15-X86_64-ARM64")
+          endif()
         endif()
 
-        set(qt_base_url "https://download.qt.io/online/qtsdkrepository/${url_os}/desktop/qt6_${qt_version_dotless}")
+        set(qt_base_url "https://download.qt.io/online/qtsdkrepository/${url_os}/desktop/qt6_${qt_version_dotless}/qt6_${qt_version_dotless}")
         file(DOWNLOAD "${qt_base_url}/Updates.xml" ./Updates.xml SHOW_PROGRESS)
 
         file(READ ./Updates.xml updates_xml)
@@ -146,7 +153,7 @@ jobs:
         file(MAKE_DIRECTORY qt6)
 
         # Save the path for other steps
-        file(TO_CMAKE_PATH "$ENV{GITHUB_WORKSPACE}/qt6/${qt_dir_prefix}" qt_dir)
+        file(TO_CMAKE_PATH "$ENV{GITHUB_WORKSPACE}/qt6" qt_dir)
         file(APPEND "$ENV{GITHUB_OUTPUT}" "qt_dir=${qt_dir}")
 
         message("Downloading Qt to ${qt_dir}")
@@ -156,7 +163,7 @@ jobs:
           execute_process(COMMAND ${CMAKE_COMMAND} -E tar xvf ../${archive} WORKING_DIRECTORY qt6)
         endfunction()
 
-        foreach(package qtbase qtdeclarative)
+        foreach(package qtbase qtdeclarative qttools qtsvg)
           downloadAndExtract(
             "${qt_base_url}/qt.qt6.${qt_version_dotless}.${qt_package_arch_suffix}/${qt_package_version}${package}${qt_package_suffix}.7z"
             ${package}.7z
@@ -165,11 +172,17 @@ jobs:
 
         foreach(package qt5compat qtshadertools)
           downloadAndExtract(
-            "${qt_base_url}/qt.qt6.${qt_version_dotless}.${package}.${qt_package_arch_suffix}/${qt_package_version}${package}${qt_package_suffix}.7z"
+            "${qt_base_url}/qt.qt6.${qt_version_dotless}.addons.${package}.${qt_package_arch_suffix}/${qt_package_version}${package}${qt_package_suffix}.7z"
             ${package}.7z
           )
         endforeach()
 
+        function(downloadAndExtractLibicu url archive)
+          message("Downloading ${url}")
+          file(DOWNLOAD "${url}" ./${archive} SHOW_PROGRESS)
+          execute_process(COMMAND ${CMAKE_COMMAND} -E tar xvf ../../${archive} WORKING_DIRECTORY qt6/lib)
+        endfunction()
+
         # uic depends on libicu*.so
         if ("${{ runner.os }}" STREQUAL "Linux")
           if (qt_version VERSION_LESS "6.7.0")
@@ -177,47 +190,26 @@ jobs:
           else()
             set(uic_suffix "Rhel8.6-x86_64")
           endif()
-          downloadAndExtract(
+          downloadAndExtractLibicu(
             "${qt_base_url}/qt.qt6.${qt_version_dotless}.${qt_package_arch_suffix}/${qt_package_version}icu-linux-${uic_suffix}.7z"
             icu.7z
           )
         endif()
 
     - name: Download Qt Creator
+      uses: qt-creator/install-dev-package@1460787a21551eb3d867b0de30e8d3f1aadef5ac
+      with:
+        version: ${{ matrix.qt_config.qt_creator_version }}
+        unzip-to: 'qtcreator'
+        platform: ${{ matrix.config.platform }}
+
+    - name: Extract Qt Creator
       id: qt_creator
       shell: cmake -P {0}
       run: |
-        string(REGEX MATCH "([0-9]+.[0-9]+).[0-9]+" outvar "$ENV{QT_CREATOR_VERSION}")
-
-        set(qtc_base_url "https://download.qt.io/official_releases/qtcreator/${CMAKE_MATCH_1}/$ENV{QT_CREATOR_VERSION}/installer_source")
-        set(qtc_snapshot "$ENV{QT_CREATOR_SNAPSHOT}")
-        if (qtc_snapshot)
-          set(qtc_base_url "https://download.qt.io/snapshots/qtcreator/${CMAKE_MATCH_1}/$ENV{QT_CREATOR_VERSION}/installer_source/${qtc_snapshot}")
-        endif()
-
-        if ("${{ runner.os }}" STREQUAL "Windows")
-          set(qtc_platform "windows_x64")
-        elseif ("${{ runner.os }}" STREQUAL "Linux")
-          set(qtc_platform "linux_x64")
-        elseif ("${{ runner.os }}" STREQUAL "macOS")
-          set(qtc_platform "mac_x64")
-        endif()
-
         file(TO_CMAKE_PATH "$ENV{GITHUB_WORKSPACE}/qtcreator" qtc_dir)
-        # Save the path for other steps
         file(APPEND "$ENV{GITHUB_OUTPUT}" "qtc_dir=${qtc_dir}")
 
-        file(MAKE_DIRECTORY qtcreator)
-
-        message("Downloading Qt Creator from ${qtc_base_url}/${qtc_platform}")
-
-        foreach(package qtcreator qtcreator_dev)
-          file(DOWNLOAD
-            "${qtc_base_url}/${qtc_platform}/${package}.7z" ./${package}.7z SHOW_PROGRESS)
-          execute_process(COMMAND
-            ${CMAKE_COMMAND} -E tar xvf ../${package}.7z WORKING_DIRECTORY qtcreator)
-        endforeach()
-
     - name: Build
       shell: cmake -P {0}
       run: |
@@ -255,7 +247,7 @@ jobs:
           COMMAND python
             -u
             "${{ steps.qt_creator.outputs.qtc_dir }}/${build_plugin_py}"
-            --name "$ENV{PLUGIN_NAME}-$ENV{QT_CREATOR_VERSION}-${{ matrix.config.artifact }}"
+            --name "$ENV{PLUGIN_NAME}-v${{ steps.git.outputs.tag }}-QtC${{ matrix.qt_config.qt_creator_version }}-${{ matrix.config.artifact }}"
             --src .
             --build build
             --qt-path "${{ steps.qt.outputs.qt_dir }}"
@@ -271,19 +263,24 @@ jobs:
         endif()
 
     - name: Upload
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
       with:
-        path: ./${{ env.PLUGIN_NAME }}-${{ env.QT_CREATOR_VERSION }}-${{ matrix.config.artifact }}.7z
-        name: ${{ env.PLUGIN_NAME}}-${{ env.QT_CREATOR_VERSION }}-${{ matrix.config.artifact }}.7z
+        path: ./${{ env.PLUGIN_NAME }}-v${{ steps.git.outputs.tag }}-QtC${{ matrix.qt_config.qt_creator_version }}-${{ matrix.config.artifact }}.7z
+        name: ${{ env.PLUGIN_NAME}}-v${{ steps.git.outputs.tag }}-QtC${{ matrix.qt_config.qt_creator_version }}-${{ matrix.config.artifact }}.7z
+
+    - name: Run unit tests
+      if: startsWith(matrix.config.os, 'ubuntu')
+      run: |
+        xvfb-run ./build/build/test/QodeAssistTest
 
   release:
     if: contains(github.ref, 'tags/v')
-    runs-on: ubuntu-latest
-    needs: build
+    runs-on: ubuntu-22.04
+    needs: [build]
 
     steps:
     - name: Download artifacts
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093
       with:
         path: release-with-dirs
 
@@ -292,9 +289,21 @@ jobs:
         mkdir release
         mv release-with-dirs/*/* release/
 
+    - name: Download QodeAssistUpdater
+      run: |
+        # Get latest release info and download assets
+        LATEST_RELEASE=$(curl -s https://api.github.com/repos/Palm1r/QodeAssistUpdater/releases/latest)
+        
+        # Download all assets except .sha256 files
+        echo "$LATEST_RELEASE" | jq -r '.assets[].browser_download_url' | grep -v '\.sha256$' | while read url; do
+          filename=$(basename "$url")
+          echo "Downloading $filename..."
+          curl -L -o "release/$filename" "$url"
+        done
+
     - name: Create Release
       id: create_release
-      uses: softprops/action-gh-release@v2
+      uses: softprops/action-gh-release@6cbd405e2c4e67a21c47fa9e383d020e4e28b836
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       with:

.gitignore

@@ -34,6 +34,7 @@ Thumbs.db
 *.rc
 /.qmake.cache
 /.qmake.stash
+.qmlls.ini
 
 # qtcreator generated files
 *.pro.user*
@@ -72,4 +73,10 @@ CMakeLists.txt.user*
 *.dll
 *.exe
 
-/build
+/build
+/.qodeassist
+/.cursor
+/.vscode
+.qtc_clangd/compile_commands.json
+CLAUDE.md
+/.claude

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "sources/external/llmqore"]
+	path = sources/external/llmqore
+	url = https://github.com/Palm1r/llmqore.git

.qmlformat.ini

@@ -0,0 +1,3 @@
+[General]
+IndentWidth=4
+NewlineType=native

CMakeLists.txt

@@ -8,20 +8,63 @@ set(CMAKE_AUTOUIC ON)
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
 find_package(QtCreator REQUIRED COMPONENTS Core)
-find_package(Qt6 COMPONENTS Widgets REQUIRED)
+find_package(Qt6 COMPONENTS Core Gui Quick Widgets Network Svg Test LinguistTools REQUIRED)
+find_package(GTest)
+
+qt_standard_project_setup(I18N_TRANSLATED_LANGUAGES en)
+
+# IDE_VERSION is defined by QtCreator package
+string(REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)" version_match ${IDE_VERSION})
+set(QODEASSIST_QT_CREATOR_VERSION_MAJOR ${CMAKE_MATCH_1})
+set(QODEASSIST_QT_CREATOR_VERSION_MINOR ${CMAKE_MATCH_2})
+set(QODEASSIST_QT_CREATOR_VERSION_PATCH ${CMAKE_MATCH_3})
+
+if(NOT version_match)
+    message(FATAL_ERROR "Failed to parse Qt Creator version string: ${IDE_VERSION}")
+endif()
+
+message(STATUS "Qt Creator Version: ${QODEASSIST_QT_CREATOR_VERSION_MAJOR}.${QODEASSIST_QT_CREATOR_VERSION_MINOR}.${QODEASSIST_QT_CREATOR_VERSION_PATCH}")
+
+add_definitions(
+  -DQODEASSIST_QT_CREATOR_VERSION_MAJOR=${QODEASSIST_QT_CREATOR_VERSION_MAJOR}
+  -DQODEASSIST_QT_CREATOR_VERSION_MINOR=${QODEASSIST_QT_CREATOR_VERSION_MINOR}
+  -DQODEASSIST_QT_CREATOR_VERSION_PATCH=${QODEASSIST_QT_CREATOR_VERSION_PATCH}
+)
+
+add_subdirectory(sources/external/llmqore)
+add_subdirectory(pluginllmcore)
+add_subdirectory(settings)
+add_subdirectory(logger)
+add_subdirectory(UIControls)
+add_subdirectory(ChatView)
+add_subdirectory(context)
+if(GTest_FOUND)
+  add_subdirectory(test)
+endif()
 
 add_qtc_plugin(QodeAssist
   PLUGIN_DEPENDS
     QtCreator::Core
     QtCreator::LanguageClient
     QtCreator::TextEditor
+    QtCreator::ProjectExplorer
+    QtCreator::CppEditor
   DEPENDS
+    Qt::Core
+    Qt::Gui
+    Qt::Quick
     Qt::Widgets
+    Qt::Network
+    Qt::Svg
     QtCreator::ExtensionSystem
     QtCreator::Utils
-    QtCreator::ProjectExplorer
+    QtCreator::CPlusPlus
+    LLMQore
+    PluginLLMCore
+    QodeAssistChatViewplugin
   SOURCES
     .github/workflows/build_cmake.yml
     .github/workflows/README.md
@@ -30,29 +73,105 @@ add_qtc_plugin(QodeAssist
     QodeAssistConstants.hpp
     QodeAssisttr.h
     LLMClientInterface.hpp LLMClientInterface.cpp
-    PromptTemplateManager.hpp PromptTemplateManager.cpp
-    templates/PromptTemplate.hpp
-    templates/CodeLLamaTemplate.hpp
-    templates/StarCoder2Template.hpp
-    templates/DeepSeekCoderV2.hpp
-    templates/CustomTemplate.hpp
-    providers/LLMProvider.hpp
+    RefactorContextHelper.hpp
+    templates/Templates.hpp
+    templates/CodeLlamaFim.hpp
+    templates/Ollama.hpp
+    templates/Claude.hpp
+    templates/OpenAI.hpp
+    templates/MistralAI.hpp
+    templates/StarCoder2Fim.hpp
+    templates/Qwen25CoderFIM.hpp
+    templates/OpenAICompatible.hpp
+    templates/Llama3.hpp
+    templates/ChatML.hpp
+    templates/Alpaca.hpp
+    templates/Llama2.hpp
+    templates/CodeLlamaQMLFim.hpp
+    templates/GoogleAI.hpp
+    templates/LlamaCppFim.hpp
+    templates/Qwen3CoderFIM.hpp
+    templates/OpenAIResponses.hpp
+    providers/Providers.hpp
     providers/OllamaProvider.hpp providers/OllamaProvider.cpp
+    providers/OllamaCompatProvider.hpp providers/OllamaCompatProvider.cpp
+    providers/ClaudeProvider.hpp providers/ClaudeProvider.cpp
+    providers/OpenAIProvider.hpp providers/OpenAIProvider.cpp
+    providers/MistralAIProvider.hpp providers/MistralAIProvider.cpp
     providers/LMStudioProvider.hpp providers/LMStudioProvider.cpp
+    providers/LMStudioResponsesProvider.hpp providers/LMStudioResponsesProvider.cpp
     providers/OpenAICompatProvider.hpp providers/OpenAICompatProvider.cpp
-    LLMProvidersManager.hpp LLMProvidersManager.cpp
+    providers/OpenRouterAIProvider.hpp providers/OpenRouterAIProvider.cpp
+    providers/GoogleAIProvider.hpp providers/GoogleAIProvider.cpp
+    providers/LlamaCppProvider.hpp providers/LlamaCppProvider.cpp
+    providers/CodestralProvider.hpp providers/CodestralProvider.cpp
+    providers/OpenAIResponsesProvider.hpp providers/OpenAIResponsesProvider.cpp
     QodeAssist.qrc
     LSPCompletion.hpp
     LLMSuggestion.hpp LLMSuggestion.cpp
+    RefactorSuggestion.hpp RefactorSuggestion.cpp
+    RefactorSuggestionHoverHandler.hpp RefactorSuggestionHoverHandler.cpp
     QodeAssistClient.hpp QodeAssistClient.cpp
-    QodeAssistUtils.hpp
-    DocumentContextReader.hpp DocumentContextReader.cpp
-    QodeAssistData.hpp
-    utils/CounterTooltip.hpp utils/CounterTooltip.cpp
-    settings/GeneralSettings.hpp settings/GeneralSettings.cpp
-    settings/ContextSettings.hpp settings/ContextSettings.cpp
-    settings/CustomPromptSettings.hpp settings/CustomPromptSettings.cpp
-    settings/PresetPromptsSettings.hpp settings/PresetPromptsSettings.cpp
-    settings/SettingsUtils.hpp
-    core/ChangesManager.h core/ChangesManager.cpp
+    chat/ChatOutputPane.h chat/ChatOutputPane.cpp
+    chat/NavigationPanel.hpp chat/NavigationPanel.cpp
+    ConfigurationManager.hpp ConfigurationManager.cpp
+    CodeHandler.hpp CodeHandler.cpp
+    UpdateStatusWidget.hpp UpdateStatusWidget.cpp
+    widgets/CompletionProgressHandler.hpp widgets/CompletionProgressHandler.cpp
+    widgets/CompletionErrorHandler.hpp widgets/CompletionErrorHandler.cpp
+    widgets/CompletionHintWidget.hpp widgets/CompletionHintWidget.cpp
+    widgets/CompletionHintHandler.hpp widgets/CompletionHintHandler.cpp
+    widgets/ProgressWidget.hpp widgets/ProgressWidget.cpp
+    widgets/ErrorWidget.hpp widgets/ErrorWidget.cpp
+    widgets/EditorChatButton.hpp widgets/EditorChatButton.cpp
+    widgets/EditorChatButtonHandler.hpp widgets/EditorChatButtonHandler.cpp
+    widgets/QuickRefactorDialog.hpp widgets/QuickRefactorDialog.cpp
+    widgets/CustomInstructionsManager.hpp widgets/CustomInstructionsManager.cpp
+    widgets/AddCustomInstructionDialog.hpp widgets/AddCustomInstructionDialog.cpp
+    widgets/RefactorWidget.hpp widgets/RefactorWidget.cpp
+    widgets/RefactorWidgetHandler.hpp widgets/RefactorWidgetHandler.cpp
+    widgets/ContextExtractor.hpp
+    widgets/DiffStatistics.hpp
+
+    QuickRefactorHandler.hpp QuickRefactorHandler.cpp
+    tools/ToolsRegistration.hpp tools/ToolsRegistration.cpp
+    tools/ListProjectFilesTool.hpp tools/ListProjectFilesTool.cpp
+    tools/GetIssuesListTool.hpp tools/GetIssuesListTool.cpp
+    tools/CreateNewFileTool.hpp tools/CreateNewFileTool.cpp
+    tools/EditFileTool.hpp tools/EditFileTool.cpp
+    tools/BuildProjectTool.hpp tools/BuildProjectTool.cpp
+    tools/ExecuteTerminalCommandTool.hpp tools/ExecuteTerminalCommandTool.cpp
+    tools/ProjectSearchTool.hpp tools/ProjectSearchTool.cpp
+    tools/FindFileTool.hpp tools/FindFileTool.cpp
+    tools/ReadFileTool.hpp tools/ReadFileTool.cpp
+    tools/FileSearchUtils.hpp tools/FileSearchUtils.cpp
+    tools/TodoTool.hpp tools/TodoTool.cpp
+    mcp/McpServerManager.hpp mcp/McpServerManager.cpp
+    mcp/McpServerConnection.hpp mcp/McpServerConnection.cpp
+    mcp/McpClientsManager.hpp mcp/McpClientsManager.cpp
+    settings/McpClientsListAspect.hpp settings/McpClientsListAspect.cpp
+)
+
+get_target_property(QtCreatorCorePath QtCreator::Core LOCATION)
+find_program(QtCreatorExecutable
+  NAMES
+    qtcreator "Qt Creator"
+  PATHS
+    "${QtCreatorCorePath}/../../../bin"
+    "${QtCreatorCorePath}/../../../MacOS"
+  NO_DEFAULT_PATH
+)
+if (QtCreatorExecutable)
+  add_custom_target(RunQtCreator
+    COMMAND ${QtCreatorExecutable} -pluginpath $<TARGET_FILE_DIR:QodeAssist>
+    DEPENDS QodeAssist
+  )
+  set_target_properties(RunQtCreator PROPERTIES FOLDER "qtc_runnable")
+endif()
+
+#TODO change to TS_OUTPUT_DIRECTORY after removing Qt6.8
+qt_add_translations(TARGETS QodeAssist
+          TS_FILE_DIR ${CMAKE_CURRENT_LIST_DIR}/resources/translations
+          RESOURCE_PREFIX "/translations"
+          LUPDATE_OPTIONS -no-obsolete
 )

ChatView/CMakeLists.txt

@@ -0,0 +1,93 @@
+qt_add_library(QodeAssistChatView STATIC)
+
+qt_policy(SET QTP0001 NEW)
+qt_policy(SET QTP0004 NEW)
+
+qt_add_qml_module(QodeAssistChatView
+    URI ChatView
+    VERSION 1.0
+    DEPENDENCIES
+    QtQuick
+    QML_FILES
+    qml/RootItem.qml
+
+    qml/chatparts/CodeBlock.qml
+    qml/chatparts/FileEditBlock.qml
+    qml/chatparts/TextBlock.qml
+    qml/chatparts/ThinkingBlock.qml
+    qml/chatparts/ToolBlock.qml
+    qml/chatparts/ChatItem.qml
+
+    qml/controls/AttachedFilesPlace.qml
+    qml/controls/BottomBar.qml
+    qml/controls/FileMentionPopup.qml
+    qml/controls/FileEditsActionBar.qml
+    qml/controls/ContextViewer.qml
+    qml/controls/Toast.qml
+    qml/controls/TopBar.qml
+    qml/controls/SplitDropZone.qml
+
+    RESOURCES
+    icons/attach-file-light.svg
+    icons/attach-file-dark.svg
+    icons/close-dark.svg
+    icons/close-light.svg
+    icons/link-file-light.svg
+    icons/link-file-dark.svg
+    icons/image-dark.svg
+    icons/load-chat-dark.svg
+    icons/save-chat-dark.svg
+    icons/clean-icon-dark.svg
+    icons/file-in-system.svg
+    icons/window-lock.svg
+    icons/window-unlock.svg
+    icons/chat-icon.svg
+    icons/chat-pause-icon.svg
+    icons/rules-icon.svg
+    icons/context-icon.svg
+    icons/open-in-editor.svg
+    icons/apply-changes-button.svg
+    icons/undo-changes-button.svg
+    icons/reject-changes-button.svg
+    icons/thinking-icon-on.svg
+    icons/thinking-icon-off.svg
+    icons/tools-icon-on.svg
+    icons/tools-icon-off.svg
+    icons/settings-icon.svg
+    icons/compress-icon.svg
+
+    SOURCES
+    ChatWidget.hpp ChatWidget.cpp
+    ChatModel.hpp ChatModel.cpp
+    ChatRootView.hpp ChatRootView.cpp
+    ClientInterface.hpp ClientInterface.cpp
+    MessagePart.hpp
+    ChatUtils.h ChatUtils.cpp
+    ChatSerializer.hpp ChatSerializer.cpp
+    ChatView.hpp ChatView.cpp
+    ChatData.hpp
+    FileItem.hpp FileItem.cpp
+    ChatFileManager.hpp ChatFileManager.cpp
+    ChatCompressor.hpp ChatCompressor.cpp
+    FileMentionItem.hpp FileMentionItem.cpp
+)
+
+target_link_libraries(QodeAssistChatView
+    PUBLIC
+    Qt::Widgets
+    Qt::Quick
+    Qt::QuickWidgets
+    Qt::Network
+    QtCreator::Core
+    QtCreator::Utils
+    PluginLLMCore
+    QodeAssistSettings
+    Context
+    QodeAssistUIControlsplugin
+    QodeAssistLogger
+    LLMQore
+)
+
+target_include_directories(QodeAssistChatView
+    PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
+)

ChatView/ChatCompressor.cpp

@@ -0,0 +1,290 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "ChatCompressor.hpp"
+
+#include <LLMQore/BaseClient.hpp>
+#include "ChatModel.hpp"
+#include "GeneralSettings.hpp"
+#include "PromptTemplateManager.hpp"
+#include "ProvidersManager.hpp"
+#include "logger/Logger.hpp"
+
+#include <QDateTime>
+#include <QFile>
+#include <QFileInfo>
+#include <QJsonArray>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QUuid>
+
+namespace QodeAssist::Chat {
+
+ChatCompressor::ChatCompressor(QObject *parent)
+    : QObject(parent)
+{}
+
+void ChatCompressor::startCompression(const QString &chatFilePath, ChatModel *chatModel)
+{
+    if (m_isCompressing) {
+        emit compressionFailed(tr("Compression already in progress"));
+        return;
+    }
+
+    if (chatFilePath.isEmpty()) {
+        emit compressionFailed(tr("No chat file to compress"));
+        return;
+    }
+
+    if (!chatModel || chatModel->rowCount() == 0) {
+        emit compressionFailed(tr("Chat is empty, nothing to compress"));
+        return;
+    }
+
+    auto providerName = Settings::generalSettings().caProvider();
+    m_provider = PluginLLMCore::ProvidersManager::instance().getProviderByName(providerName);
+
+    if (!m_provider) {
+        emit compressionFailed(tr("No provider available"));
+        return;
+    }
+
+    auto templateName = Settings::generalSettings().caTemplate();
+    auto promptTemplate = PluginLLMCore::PromptTemplateManager::instance().getChatTemplateByName(
+        templateName);
+
+    if (!promptTemplate) {
+        emit compressionFailed(tr("No template available"));
+        return;
+    }
+
+    m_isCompressing = true;
+    m_chatModel = chatModel;
+    m_originalChatPath = chatFilePath;
+    m_accumulatedSummary.clear();
+
+    emit compressionStarted();
+
+    connectProviderSignals();
+
+    QJsonObject payload{
+        {"model", Settings::generalSettings().caModel()}, {"stream", true}};
+
+    buildRequestPayload(payload, promptTemplate);
+
+    const QString customEndpoint = Settings::generalSettings().caCustomEndpoint();
+    const QString endpoint = !customEndpoint.isEmpty() ? customEndpoint
+                                                       : promptTemplate->endpoint();
+    m_currentRequestId = m_provider->sendRequest(
+        QUrl(Settings::generalSettings().caUrl()), payload, endpoint);
+    LOG_MESSAGE(QString("Starting compression request: %1").arg(m_currentRequestId));
+}
+
+bool ChatCompressor::isCompressing() const
+{
+    return m_isCompressing;
+}
+
+void ChatCompressor::cancelCompression()
+{
+    if (!m_isCompressing)
+        return;
+
+    LOG_MESSAGE("Cancelling compression request");
+
+    if (m_provider && !m_currentRequestId.isEmpty())
+        m_provider->cancelRequest(m_currentRequestId);
+
+    cleanupState();
+    emit compressionFailed(tr("Compression cancelled"));
+}
+
+void ChatCompressor::onPartialResponseReceived(const QString &requestId, const QString &partialText)
+{
+    if (!m_isCompressing || requestId != m_currentRequestId)
+        return;
+
+    m_accumulatedSummary += partialText;
+}
+
+void ChatCompressor::onFullResponseReceived(const QString &requestId, const QString &fullText)
+{
+    Q_UNUSED(fullText)
+
+    if (!m_isCompressing || requestId != m_currentRequestId)
+        return;
+
+    LOG_MESSAGE(
+        QString("Received summary, length: %1 characters").arg(m_accumulatedSummary.length()));
+
+    QString compressedPath = createCompressedChatPath(m_originalChatPath);
+    if (!createCompressedChatFile(m_originalChatPath, compressedPath, m_accumulatedSummary)) {
+        handleCompressionError(tr("Failed to save compressed chat"));
+        return;
+    }
+
+    LOG_MESSAGE(QString("Compression completed: %1").arg(compressedPath));
+    cleanupState();
+    emit compressionCompleted(compressedPath);
+}
+
+void ChatCompressor::onRequestFailed(const QString &requestId, const QString &error)
+{
+    if (!m_isCompressing || requestId != m_currentRequestId)
+        return;
+
+    LOG_MESSAGE(QString("Compression request failed: %1").arg(error));
+    handleCompressionError(tr("Compression failed: %1").arg(error));
+}
+
+void ChatCompressor::handleCompressionError(const QString &error)
+{
+    cleanupState();
+    emit compressionFailed(error);
+}
+
+QString ChatCompressor::createCompressedChatPath(const QString &originalPath) const
+{
+    QFileInfo fileInfo(originalPath);
+    QString hash = QString::number(QDateTime::currentMSecsSinceEpoch() % 100000, 16);
+    return QString("%1/%2_%3.%4")
+        .arg(fileInfo.absolutePath(), fileInfo.completeBaseName(), hash, fileInfo.suffix());
+}
+
+QString ChatCompressor::buildCompressionPrompt() const
+{
+    return QStringLiteral(
+        "Please create a comprehensive summary of our entire conversation above. "
+        "The summary should:\n"
+        "1. Preserve all important context, decisions, and key information\n"
+        "2. Maintain technical details, code snippets, file references, and specific examples\n"
+        "3. Keep the chronological flow of the discussion\n"
+        "4. Be significantly shorter than the original (aim for 30-40% of original length)\n"
+        "5. Be written in clear, structured format\n"
+        "6. Use markdown formatting for better readability\n\n"
+        "Create the summary now:");
+}
+
+void ChatCompressor::buildRequestPayload(
+    QJsonObject &payload, PluginLLMCore::PromptTemplate *promptTemplate)
+{
+    PluginLLMCore::ContextData context;
+
+    context.systemPrompt = QStringLiteral(
+        "You are a helpful assistant that creates concise summaries of conversations. "
+        "Your summaries preserve key information, technical details, and the flow of discussion.");
+
+    QVector<PluginLLMCore::Message> messages;
+    for (const auto &msg : m_chatModel->getChatHistory()) {
+        if (msg.role == ChatModel::ChatRole::Tool 
+            || msg.role == ChatModel::ChatRole::FileEdit
+            || msg.role == ChatModel::ChatRole::Thinking)
+            continue;
+
+        PluginLLMCore::Message apiMessage;
+        apiMessage.role = (msg.role == ChatModel::ChatRole::User) ? "user" : "assistant";
+        apiMessage.content = msg.content;
+        messages.append(apiMessage);
+    }
+
+    PluginLLMCore::Message compressionRequest;
+    compressionRequest.role = "user";
+    compressionRequest.content = buildCompressionPrompt();
+    messages.append(compressionRequest);
+
+    context.history = messages;
+
+    m_provider->prepareRequest(
+        payload, promptTemplate, context, PluginLLMCore::RequestType::Chat, false, false);
+}
+
+bool ChatCompressor::createCompressedChatFile(
+    const QString &sourcePath, const QString &destPath, const QString &summary)
+{
+    QFile sourceFile(sourcePath);
+    if (!sourceFile.open(QIODevice::ReadOnly)) {
+        LOG_MESSAGE(QString("Failed to open source chat file: %1").arg(sourcePath));
+        return false;
+    }
+
+    QJsonParseError parseError;
+    QJsonDocument doc = QJsonDocument::fromJson(sourceFile.readAll(), &parseError);
+    sourceFile.close();
+
+    if (doc.isNull() || !doc.isObject()) {
+        LOG_MESSAGE(QString("Invalid JSON in chat file: %1 (Error: %2)")
+                        .arg(sourcePath, parseError.errorString()));
+        return false;
+    }
+
+    QJsonObject root = doc.object();
+
+    QJsonObject summaryMessage;
+    summaryMessage["role"] = "assistant";
+    summaryMessage["content"] = QString("# Chat Summary\n\n%1").arg(summary);
+    summaryMessage["id"] = QUuid::createUuid().toString(QUuid::WithoutBraces);
+    summaryMessage["isRedacted"] = false;
+    summaryMessage["attachments"] = QJsonArray();
+    summaryMessage["images"] = QJsonArray();
+
+    root["messages"] = QJsonArray{summaryMessage};
+
+    if (QFile::exists(destPath))
+        QFile::remove(destPath);
+
+    QFile destFile(destPath);
+    if (!destFile.open(QIODevice::WriteOnly)) {
+        LOG_MESSAGE(QString("Failed to create compressed chat file: %1").arg(destPath));
+        return false;
+    }
+
+    destFile.write(QJsonDocument(root).toJson(QJsonDocument::Indented));
+    return true;
+}
+
+void ChatCompressor::connectProviderSignals()
+{
+    auto *c = m_provider->client();
+
+    m_connections.append(connect(
+        c,
+        &::LLMQore::BaseClient::chunkReceived,
+        this,
+        &ChatCompressor::onPartialResponseReceived,
+        Qt::UniqueConnection));
+
+    m_connections.append(connect(
+        c,
+        &::LLMQore::BaseClient::requestCompleted,
+        this,
+        &ChatCompressor::onFullResponseReceived,
+        Qt::UniqueConnection));
+
+    m_connections.append(connect(
+        c,
+        &::LLMQore::BaseClient::requestFailed,
+        this,
+        &ChatCompressor::onRequestFailed,
+        Qt::UniqueConnection));
+}
+
+void ChatCompressor::disconnectAllSignals()
+{
+    for (const auto &connection : std::as_const(m_connections))
+        disconnect(connection);
+    m_connections.clear();
+}
+
+void ChatCompressor::cleanupState()
+{
+    disconnectAllSignals();
+
+    m_isCompressing = false;
+    m_currentRequestId.clear();
+    m_originalChatPath.clear();
+    m_accumulatedSummary.clear();
+    m_chatModel = nullptr;
+    m_provider = nullptr;
+}
+
+} // namespace QodeAssist::Chat

ChatView/ChatCompressor.hpp

@@ -0,0 +1,63 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QJsonObject>
+#include <QList>
+#include <QObject>
+#include <QString>
+
+namespace QodeAssist::PluginLLMCore {
+class Provider;
+class PromptTemplate;
+} // namespace QodeAssist::PluginLLMCore
+
+namespace QodeAssist::Chat {
+
+class ChatModel;
+
+class ChatCompressor : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit ChatCompressor(QObject *parent = nullptr);
+
+    void startCompression(const QString &chatFilePath, ChatModel *chatModel);
+
+    bool isCompressing() const;
+    void cancelCompression();
+
+signals:
+    void compressionStarted();
+    void compressionCompleted(const QString &compressedChatPath);
+    void compressionFailed(const QString &error);
+
+private slots:
+    void onPartialResponseReceived(const QString &requestId, const QString &partialText);
+    void onFullResponseReceived(const QString &requestId, const QString &fullText);
+    void onRequestFailed(const QString &requestId, const QString &error);
+
+private:
+    QString createCompressedChatPath(const QString &originalPath) const;
+    QString buildCompressionPrompt() const;
+    bool createCompressedChatFile(
+        const QString &sourcePath, const QString &destPath, const QString &summary);
+    void connectProviderSignals();
+    void disconnectAllSignals();
+    void cleanupState();
+    void handleCompressionError(const QString &error);
+    void buildRequestPayload(QJsonObject &payload, PluginLLMCore::PromptTemplate *promptTemplate);
+
+    bool m_isCompressing = false;
+    QString m_currentRequestId;
+    QString m_originalChatPath;
+    QString m_accumulatedSummary;
+    PluginLLMCore::Provider *m_provider = nullptr;
+    ChatModel *m_chatModel = nullptr;
+
+    QList<QMetaObject::Connection> m_connections;
+};
+
+} // namespace QodeAssist::Chat

ChatView/ChatData.hpp

@@ -0,0 +1,16 @@
+// Copyright (C) 2025-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QObject>
+#include <QtQmlIntegration>
+
+namespace QodeAssist::Chat {
+Q_NAMESPACE
+QML_NAMED_ELEMENT(MessagePartType)
+
+enum class MessagePartType { Code, Text, Image };
+Q_ENUM_NS(MessagePartType)
+
+} // namespace QodeAssist::Chat

ChatView/ChatFileManager.cpp

@@ -0,0 +1,190 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "ChatFileManager.hpp"
+#include "Logger.hpp"
+
+#include <QDir>
+#include <QFile>
+#include <QFileInfo>
+#include <QStandardPaths>
+#include <QUuid>
+#include <QDateTime>
+#include <QRegularExpression>
+
+#include <coreplugin/icore.h>
+
+namespace QodeAssist::Chat {
+
+ChatFileManager::ChatFileManager(QObject *parent)
+    : QObject(parent)
+    , m_intermediateStorageDir(getIntermediateStorageDir())
+{}
+
+ChatFileManager::~ChatFileManager() = default;
+
+QStringList ChatFileManager::processDroppedFiles(const QStringList &filePaths)
+{
+    QStringList processedPaths;
+    processedPaths.reserve(filePaths.size());
+
+    for (const QString &filePath : filePaths) {
+        if (!isFileAccessible(filePath)) {
+            const QString error = tr("File is not accessible: %1").arg(filePath);
+            LOG_MESSAGE(error);
+            emit fileOperationFailed(error);
+            continue;
+        }
+
+        QString copiedPath = copyToIntermediateStorage(filePath);
+        if (!copiedPath.isEmpty()) {
+            processedPaths.append(copiedPath);
+            emit fileCopiedToStorage(filePath, copiedPath);
+            LOG_MESSAGE(QString("File copied to storage: %1 -> %2").arg(filePath, copiedPath));
+        } else {
+            const QString error = tr("Failed to copy file: %1").arg(filePath);
+            LOG_MESSAGE(error);
+            emit fileOperationFailed(error);
+        }
+    }
+
+    return processedPaths;
+}
+
+void ChatFileManager::setChatFilePath(const QString &chatFilePath)
+{
+    m_chatFilePath = chatFilePath;
+}
+
+QString ChatFileManager::chatFilePath() const
+{
+    return m_chatFilePath;
+}
+
+void ChatFileManager::clearIntermediateStorage()
+{
+    QDir dir(m_intermediateStorageDir);
+    if (!dir.exists()) {
+        return;
+    }
+
+    const QFileInfoList files = dir.entryInfoList(QDir::Files | QDir::NoDotAndDotDot);
+    for (const QFileInfo &fileInfo : files) {
+        QFile file(fileInfo.absoluteFilePath());
+        file.setPermissions(QFile::WriteUser | QFile::ReadUser);
+        if (file.remove()) {
+            LOG_MESSAGE(QString("Removed intermediate file: %1").arg(fileInfo.fileName()));
+        } else {
+            LOG_MESSAGE(QString("Failed to remove intermediate file: %1")
+                            .arg(fileInfo.fileName()));
+        }
+    }
+}
+
+bool ChatFileManager::isFileAccessible(const QString &filePath)
+{
+    QFileInfo fileInfo(filePath);
+    return fileInfo.exists() && fileInfo.isFile() && fileInfo.isReadable();
+}
+
+void ChatFileManager::cleanupGlobalIntermediateStorage()
+{
+    const QString basePath = Core::ICore::userResourcePath().toFSPathString();
+    const QString intermediatePath = QDir(basePath).filePath("qodeassist/chat_temp_files");
+
+    QDir dir(intermediatePath);
+    if (!dir.exists()) {
+        return;
+    }
+
+    const QFileInfoList files = dir.entryInfoList(QDir::Files | QDir::NoDotAndDotDot);
+    int removedCount = 0;
+    int failedCount = 0;
+
+    for (const QFileInfo &fileInfo : files) {
+        QFile file(fileInfo.absoluteFilePath());
+        file.setPermissions(QFile::WriteUser | QFile::ReadUser);
+        if (file.remove()) {
+            removedCount++;
+        } else {
+            failedCount++;
+        }
+    }
+
+    if (removedCount > 0 || failedCount > 0) {
+        LOG_MESSAGE(QString("ChatFileManager global cleanup: removed=%1, failed=%2")
+                        .arg(removedCount)
+                        .arg(failedCount));
+    }
+}
+
+QString ChatFileManager::copyToIntermediateStorage(const QString &filePath)
+{
+    QFileInfo fileInfo(filePath);
+    if (!fileInfo.exists() || !fileInfo.isFile()) {
+        LOG_MESSAGE(QString("Source file does not exist or is not a file: %1").arg(filePath));
+        return QString();
+    }
+
+    if (fileInfo.size() == 0) {
+        LOG_MESSAGE(QString("Source file is empty: %1").arg(filePath));
+    }
+
+    const QString newFileName = generateIntermediateFileName(filePath);
+    const QString destinationPath = QDir(m_intermediateStorageDir).filePath(newFileName);
+
+    if (QFileInfo::exists(destinationPath)) {
+        QFile::remove(destinationPath);
+    }
+
+    if (!QFile::copy(filePath, destinationPath)) {
+        LOG_MESSAGE(QString("Failed to copy file: %1 -> %2").arg(filePath, destinationPath));
+        return QString();
+    }
+
+    QFile copiedFile(destinationPath);
+    if (!copiedFile.exists()) {
+        LOG_MESSAGE(QString("Copied file does not exist after copy: %1").arg(destinationPath));
+        return QString();
+    }
+
+    copiedFile.setPermissions(QFile::ReadUser | QFile::WriteUser);
+
+    return destinationPath;
+}
+
+QString ChatFileManager::getIntermediateStorageDir()
+{
+    const QString basePath = Core::ICore::userResourcePath().toFSPathString();
+    const QString intermediatePath = QDir(basePath).filePath("qodeassist/chat_temp_files");
+
+    QDir dir;
+    if (!dir.exists(intermediatePath) && !dir.mkpath(intermediatePath)) {
+        LOG_MESSAGE(QString("Failed to create intermediate storage directory: %1")
+                        .arg(intermediatePath));
+    }
+
+    return intermediatePath;
+}
+
+QString ChatFileManager::generateIntermediateFileName(const QString &originalPath)
+{
+    const QFileInfo fileInfo(originalPath);
+    const QString extension = fileInfo.suffix();
+    QString baseName = fileInfo.completeBaseName().left(30);
+
+    static const QRegularExpression specialChars("[^a-zA-Z0-9_-]");
+    baseName.replace(specialChars, "_");
+
+    if (baseName.isEmpty()) {
+        baseName = "file";
+    }
+
+    const QString timestamp = QDateTime::currentDateTime().toString("yyyyMMdd_HHmmss");
+    const QString uuid = QUuid::createUuid().toString(QUuid::WithoutBraces).left(8);
+
+    return QString("%1_%2_%3.%4").arg(baseName, timestamp, uuid, extension);
+}
+
+} // namespace QodeAssist::Chat
+

ChatView/ChatFileManager.hpp

@@ -0,0 +1,43 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QObject>
+#include <QString>
+#include <QStringList>
+#include <QMap>
+
+namespace QodeAssist::Chat {
+
+class ChatFileManager : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit ChatFileManager(QObject *parent = nullptr);
+    ~ChatFileManager();
+
+    QStringList processDroppedFiles(const QStringList &filePaths);
+    void setChatFilePath(const QString &chatFilePath);
+    QString chatFilePath() const;
+    void clearIntermediateStorage();
+
+    static bool isFileAccessible(const QString &filePath);
+    static void cleanupGlobalIntermediateStorage();
+
+signals:
+    void fileOperationFailed(const QString &error);
+    void fileCopiedToStorage(const QString &originalPath, const QString &newPath);
+
+private:
+    QString copyToIntermediateStorage(const QString &filePath);
+    QString getIntermediateStorageDir();
+    QString generateIntermediateFileName(const QString &originalPath);
+
+    QString m_chatFilePath;
+    QString m_intermediateStorageDir;
+};
+
+} // namespace QodeAssist::Chat
+

ChatView/ChatModel.cpp

@@ -0,0 +1,585 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "ChatModel.hpp"
+#include <utils/aspects.h>
+#include <QDateTime>
+#include <QDir>
+#include <QFileInfo>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QUrl>
+#include <QtQml>
+
+#include "ChatAssistantSettings.hpp"
+#include "Logger.hpp"
+#include "context/ChangesManager.h"
+
+namespace QodeAssist::Chat {
+
+ChatModel::ChatModel(QObject *parent)
+    : QAbstractListModel(parent)
+{
+    auto &settings = Settings::chatAssistantSettings();
+
+    connect(
+        &settings.chatTokensThreshold,
+        &Utils::BaseAspect::changed,
+        this,
+        &ChatModel::tokensThresholdChanged);
+    
+    connect(&Context::ChangesManager::instance(),
+            &Context::ChangesManager::fileEditApplied,
+            this,
+            &ChatModel::onFileEditApplied);
+    
+    connect(&Context::ChangesManager::instance(),
+            &Context::ChangesManager::fileEditRejected,
+            this,
+            &ChatModel::onFileEditRejected);
+    
+    connect(&Context::ChangesManager::instance(),
+            &Context::ChangesManager::fileEditArchived,
+            this,
+            &ChatModel::onFileEditArchived);
+}
+
+int ChatModel::rowCount(const QModelIndex &parent) const
+{
+    return m_messages.size();
+}
+
+QVariant ChatModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid() || index.row() >= m_messages.size())
+        return QVariant();
+
+    const Message &message = m_messages[index.row()];
+    switch (static_cast<Roles>(role)) {
+    case Roles::RoleType:
+        return QVariant::fromValue(message.role);
+    case Roles::Content: {
+        return message.content;
+    }
+    case Roles::Attachments: {
+        QVariantList attachmentsList;
+        for (const auto &attachment : message.attachments) {
+            QVariantMap attachmentMap;
+            attachmentMap["fileName"] = attachment.filename;
+            attachmentMap["storedPath"] = attachment.content;
+            
+            if (!m_chatFilePath.isEmpty()) {
+                QFileInfo fileInfo(m_chatFilePath);
+                QString baseName = fileInfo.completeBaseName();
+                QString dirPath = fileInfo.absolutePath();
+                QString contentFolder = QDir(dirPath).filePath(baseName + "_content");
+                QString fullPath = QDir(contentFolder).filePath(attachment.content);
+                attachmentMap["filePath"] = fullPath;
+            } else {
+                attachmentMap["filePath"] = QString();
+            }
+            
+            attachmentsList.append(attachmentMap);
+        }
+        return attachmentsList;
+    }
+    case Roles::IsRedacted: {
+        return message.isRedacted;
+    }
+    case Roles::Images: {
+        QVariantList imagesList;
+        for (const auto &image : message.images) {
+            QVariantMap imageMap;
+            imageMap["fileName"] = image.fileName;
+            imageMap["storedPath"] = image.storedPath;
+            imageMap["mediaType"] = image.mediaType;
+            
+            if (!m_chatFilePath.isEmpty()) {
+                QFileInfo fileInfo(m_chatFilePath);
+                QString baseName = fileInfo.completeBaseName();
+                QString dirPath = fileInfo.absolutePath();
+                QString contentFolder = QDir(dirPath).filePath(baseName + "_content");
+                QString fullPath = QDir(contentFolder).filePath(image.storedPath);
+                imageMap["imageUrl"] = QUrl::fromLocalFile(fullPath).toString();
+                imageMap["filePath"] = fullPath;
+            } else {
+                imageMap["imageUrl"] = QString();
+                imageMap["filePath"] = QString();
+            }
+            
+            imagesList.append(imageMap);
+        }
+        return imagesList;
+    }
+    default:
+        return QVariant();
+    }
+}
+
+QHash<int, QByteArray> ChatModel::roleNames() const
+{
+    QHash<int, QByteArray> roles;
+    roles[Roles::RoleType] = "roleType";
+    roles[Roles::Content] = "content";
+    roles[Roles::Attachments] = "attachments";
+    roles[Roles::IsRedacted] = "isRedacted";
+    roles[Roles::Images] = "images";
+    return roles;
+}
+
+void ChatModel::addMessage(
+    const QString &content,
+    ChatRole role,
+    const QString &id,
+    const QList<Context::ContentFile> &attachments,
+    const QList<ImageAttachment> &images,
+    bool isRedacted,
+    const QString &signature)
+{
+    if (!m_messages.isEmpty() && !id.isEmpty() && m_messages.last().id == id
+        && m_messages.last().role == role) {
+        Message &lastMessage = m_messages.last();
+        lastMessage.content = content;
+        lastMessage.attachments = attachments;
+        lastMessage.images = images;
+        lastMessage.isRedacted = isRedacted;
+        lastMessage.signature = signature;
+        emit dataChanged(index(m_messages.size() - 1), index(m_messages.size() - 1));
+    } else {
+        beginInsertRows(QModelIndex(), m_messages.size(), m_messages.size());
+        Message newMessage{role, content, id};
+        newMessage.attachments = attachments;
+        newMessage.images = images;
+        newMessage.isRedacted = isRedacted;
+        newMessage.signature = signature;
+        m_messages.append(newMessage);
+        endInsertRows();
+        
+        if (m_loadingFromHistory && role == ChatRole::FileEdit) {
+            const QString marker = "QODEASSIST_FILE_EDIT:";
+            if (content.contains(marker)) {
+                int markerPos = content.indexOf(marker);
+                int jsonStart = markerPos + marker.length();
+                
+                if (jsonStart < content.length()) {
+                    QString jsonStr = content.mid(jsonStart);
+                    QJsonDocument doc = QJsonDocument::fromJson(jsonStr.toUtf8());
+                    
+                    if (doc.isObject()) {
+                        QJsonObject editData = doc.object();
+                        QString editId = editData.value("edit_id").toString();
+                        QString filePath = editData.value("file").toString();
+                        QString oldContent = editData.value("old_content").toString();
+                        QString newContent = editData.value("new_content").toString();
+                        QString originalStatus = editData.value("status").toString();
+                        
+                        if (!editId.isEmpty() && !filePath.isEmpty()) {
+                            Context::ChangesManager::instance().addFileEdit(
+                                editId, filePath, oldContent, newContent, false, true);
+                            
+                            editData["status"] = "archived";
+                            editData["status_message"] = "Loaded from chat history";
+                            
+                            QString updatedContent = marker 
+                                + QString::fromUtf8(QJsonDocument(editData).toJson(QJsonDocument::Compact));
+                            m_messages.last().content = updatedContent;
+                            
+                            emit dataChanged(index(m_messages.size() - 1), index(m_messages.size() - 1));
+                            
+                            LOG_MESSAGE(QString("Registered historical file edit: %1 (original status: %2, now: archived)")
+                                            .arg(editId, originalStatus));
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+QVector<ChatModel::Message> ChatModel::getChatHistory() const
+{
+    return m_messages;
+}
+
+void ChatModel::clear()
+{
+    beginResetModel();
+    m_messages.clear();
+    endResetModel();
+    emit modelReseted();
+}
+
+QList<MessagePart> ChatModel::processMessageContent(const QString &content) const
+{
+    QList<MessagePart> parts;
+    QRegularExpression codeBlockRegex("```(\\w*)\\n?([\\s\\S]*?)```");
+    int lastIndex = 0;
+    auto blockMatches = codeBlockRegex.globalMatch(content);
+
+    while (blockMatches.hasNext()) {
+        auto match = blockMatches.next();
+        if (match.capturedStart() > lastIndex) {
+            QString textBetween
+                = content.mid(lastIndex, match.capturedStart() - lastIndex).trimmed();
+            if (!textBetween.isEmpty()) {
+                MessagePart part;
+                part.type = MessagePartType::Text;
+                part.text = textBetween;
+                parts.append(part);
+            }
+        }
+
+        MessagePart codePart;
+        codePart.type = MessagePartType::Code;
+        codePart.text = match.captured(2).trimmed();
+        codePart.language = match.captured(1);
+        parts.append(codePart);
+
+        lastIndex = match.capturedEnd();
+    }
+
+    if (lastIndex < content.length()) {
+        QString remainingText = content.mid(lastIndex).trimmed();
+
+        QRegularExpression unclosedBlockRegex("```(\\w*)\\n?([\\s\\S]*)$");
+        auto unclosedMatch = unclosedBlockRegex.match(remainingText);
+
+        if (unclosedMatch.hasMatch()) {
+            QString beforeCodeBlock = remainingText.left(unclosedMatch.capturedStart()).trimmed();
+            if (!beforeCodeBlock.isEmpty()) {
+                MessagePart part;
+                part.type = MessagePartType::Text;
+                part.text = beforeCodeBlock;
+                parts.append(part);
+            }
+
+            MessagePart codePart;
+            codePart.type = MessagePartType::Code;
+            codePart.text = unclosedMatch.captured(2).trimmed();
+            codePart.language = unclosedMatch.captured(1);
+            parts.append(codePart);
+        } else if (!remainingText.isEmpty()) {
+            MessagePart part;
+            part.type = MessagePartType::Text;
+            part.text = remainingText;
+            parts.append(part);
+        }
+    }
+
+    return parts;
+}
+
+QJsonArray ChatModel::prepareMessagesForRequest(const QString &systemPrompt) const
+{
+    QJsonArray messages;
+    messages.append(QJsonObject{{"role", "system"}, {"content", systemPrompt}});
+
+    for (const auto &message : m_messages) {
+        QString role;
+        switch (message.role) {
+        case ChatRole::User:
+            role = "user";
+            break;
+        case ChatRole::Assistant:
+            role = "assistant";
+            break;
+        case ChatRole::Tool:
+        case ChatRole::FileEdit:
+            continue;
+        default:
+            continue;
+        }
+
+        QString content
+            = message.attachments.isEmpty()
+                  ? message.content
+                  : message.content + "\n\nAttached files list:"
+                        + std::accumulate(
+                            message.attachments.begin(),
+                            message.attachments.end(),
+                            QString(),
+                            [](QString acc, const Context::ContentFile &attachment) {
+                                return acc
+                                       + QString("\nname: %1\nfile content:\n%2")
+                                             .arg(attachment.filename, attachment.content);
+                            });
+
+        messages.append(QJsonObject{{"role", role}, {"content", content}});
+    }
+
+    return messages;
+}
+
+int ChatModel::tokensThreshold() const
+{
+    auto &settings = Settings::chatAssistantSettings();
+    return settings.chatTokensThreshold();
+}
+
+QString ChatModel::lastMessageId() const
+{
+    return !m_messages.isEmpty() ? m_messages.last().id : "";
+}
+
+void ChatModel::resetModelTo(int index)
+{
+    if (index < 0 || index >= m_messages.size())
+        return;
+
+    if (index < m_messages.size()) {
+        beginRemoveRows(QModelIndex(), index, m_messages.size() - 1);
+        m_messages.remove(index, m_messages.size() - index);
+        endRemoveRows();
+    }
+}
+
+void ChatModel::addToolExecutionStatus(
+    const QString &requestId, const QString &toolId, const QString &toolName)
+{
+    QString content = toolName;
+
+    LOG_MESSAGE(QString("Adding tool execution status: requestId=%1, toolId=%2, toolName=%3")
+                    .arg(requestId, toolId, toolName));
+
+    if (!m_messages.isEmpty() && !toolId.isEmpty() && m_messages.last().id == toolId
+        && m_messages.last().role == ChatRole::Tool) {
+        Message &lastMessage = m_messages.last();
+        lastMessage.content = content;
+        LOG_MESSAGE(QString("Updated existing tool message at index %1").arg(m_messages.size() - 1));
+        emit dataChanged(index(m_messages.size() - 1), index(m_messages.size() - 1));
+    } else {
+        beginInsertRows(QModelIndex(), m_messages.size(), m_messages.size());
+        Message newMessage{ChatRole::Tool, content, toolId};
+        m_messages.append(newMessage);
+        endInsertRows();
+        LOG_MESSAGE(QString("Created new tool message at index %1 with toolId=%2")
+                        .arg(m_messages.size() - 1)
+                        .arg(toolId));
+    }
+}
+
+void ChatModel::updateToolResult(
+    const QString &requestId, const QString &toolId, const QString &toolName, const QString &result)
+{
+    if (m_messages.isEmpty() || toolId.isEmpty()) {
+        LOG_MESSAGE(QString("Cannot update tool result: messages empty=%1, toolId empty=%2")
+                        .arg(m_messages.isEmpty())
+                        .arg(toolId.isEmpty()));
+        return;
+    }
+
+    LOG_MESSAGE(
+        QString("Updating tool result: requestId=%1, toolId=%2, toolName=%3, result length=%4")
+            .arg(requestId, toolId, toolName)
+            .arg(result.length()));
+
+    bool toolMessageFound = false;
+    for (int i = m_messages.size() - 1; i >= 0; --i) {
+        if (m_messages[i].id == toolId && m_messages[i].role == ChatRole::Tool) {
+            m_messages[i].content = toolName + "\n" + result;
+            emit dataChanged(index(i), index(i));
+            toolMessageFound = true;
+            LOG_MESSAGE(QString("Updated tool result at index %1").arg(i));
+            break;
+        }
+    }
+
+    if (!toolMessageFound) {
+        LOG_MESSAGE(QString("WARNING: Tool message with requestId=%1 toolId=%2 not found!")
+                        .arg(requestId, toolId));
+    }
+
+    const QString marker = "QODEASSIST_FILE_EDIT:";
+    if (result.contains(marker)) {
+        LOG_MESSAGE(QString("File edit marker detected in tool result"));
+
+        int markerPos = result.indexOf(marker);
+        int jsonStart = markerPos + marker.length();
+
+        if (jsonStart < result.length()) {
+            QString jsonStr = result.mid(jsonStart);
+
+            QJsonParseError parseError;
+            QJsonDocument doc = QJsonDocument::fromJson(jsonStr.toUtf8(), &parseError);
+
+            if (parseError.error != QJsonParseError::NoError) {
+                LOG_MESSAGE(QString("ERROR: Failed to parse file edit JSON at offset %1: %2")
+                                .arg(parseError.offset)
+                                .arg(parseError.errorString()));
+            } else if (!doc.isObject()) {
+                LOG_MESSAGE(
+                    QString("ERROR: Parsed JSON is not an object, is array=%1").arg(doc.isArray()));
+            } else {
+                QJsonObject editData = doc.object();
+                
+                QString editId = editData.value("edit_id").toString();
+                
+                if (editId.isEmpty()) {
+                    editId = QString("edit_%1").arg(QDateTime::currentMSecsSinceEpoch());
+                }
+
+                LOG_MESSAGE(QString("Adding FileEdit message, editId=%1").arg(editId));
+
+                beginInsertRows(QModelIndex(), m_messages.size(), m_messages.size());
+                Message fileEditMsg;
+                fileEditMsg.role = ChatRole::FileEdit;
+                fileEditMsg.content = result;
+                fileEditMsg.id = editId;
+                m_messages.append(fileEditMsg);
+                endInsertRows();
+
+                LOG_MESSAGE(QString("Added FileEdit message with editId=%1").arg(editId));
+            }
+        }
+    }
+}
+
+void ChatModel::addThinkingBlock(
+    const QString &requestId, const QString &thinking, const QString &signature)
+{
+    LOG_MESSAGE(QString("Adding thinking block: requestId=%1, thinking length=%2, signature length=%3")
+                    .arg(requestId)
+                    .arg(thinking.length())
+                    .arg(signature.length()));
+
+    QString displayContent = thinking;
+    if (!signature.isEmpty()) {
+        displayContent += "\n[Signature: " + signature.left(40) + "...]";
+    }
+
+    for (int i = 0; i < m_messages.size(); ++i) {
+        if (m_messages[i].role == ChatRole::Thinking && m_messages[i].id == requestId) {
+            m_messages[i].content = displayContent;
+            m_messages[i].signature = signature;
+            emit dataChanged(index(i), index(i));
+            LOG_MESSAGE(QString("Updated existing thinking message at index %1").arg(i));
+            return;
+        }
+    }
+
+    beginInsertRows(QModelIndex(), m_messages.size(), m_messages.size());
+    Message thinkingMessage;
+    thinkingMessage.role = ChatRole::Thinking;
+    thinkingMessage.content = displayContent;
+    thinkingMessage.id = requestId;
+    thinkingMessage.isRedacted = false;
+    thinkingMessage.signature = signature;
+    m_messages.append(thinkingMessage);
+    endInsertRows();
+    LOG_MESSAGE(QString("Added thinking message at index %1 with signature length=%2")
+                    .arg(m_messages.size() - 1).arg(signature.length()));
+}
+
+void ChatModel::addRedactedThinkingBlock(const QString &requestId, const QString &signature)
+{
+    LOG_MESSAGE(
+        QString("Adding redacted thinking block: requestId=%1, signature length=%2")
+            .arg(requestId)
+            .arg(signature.length()));
+
+    QString displayContent = "[Thinking content redacted by safety systems]";
+    if (!signature.isEmpty()) {
+        displayContent += "\n[Signature: " + signature.left(40) + "...]";
+    }
+
+    beginInsertRows(QModelIndex(), m_messages.size(), m_messages.size());
+    Message thinkingMessage;
+    thinkingMessage.role = ChatRole::Thinking;
+    thinkingMessage.content = displayContent;
+    thinkingMessage.id = requestId;
+    thinkingMessage.isRedacted = true;
+    thinkingMessage.signature = signature;
+    m_messages.append(thinkingMessage);
+    endInsertRows();
+    LOG_MESSAGE(QString("Added redacted thinking message at index %1 with signature length=%2")
+                    .arg(m_messages.size() - 1).arg(signature.length()));
+}
+
+void ChatModel::updateMessageContent(const QString &messageId, const QString &newContent)
+{
+    for (int i = 0; i < m_messages.size(); ++i) {
+        if (m_messages[i].id == messageId) {
+            m_messages[i].content = newContent;
+            emit dataChanged(index(i), index(i));
+            LOG_MESSAGE(QString("Updated message content for id: %1").arg(messageId));
+            break;
+        }
+    }
+}
+
+void ChatModel::setLoadingFromHistory(bool loading)
+{
+    m_loadingFromHistory = loading;
+    LOG_MESSAGE(QString("ChatModel loading from history: %1").arg(loading ? "true" : "false"));
+}
+
+bool ChatModel::isLoadingFromHistory() const
+{
+    return m_loadingFromHistory;
+}
+
+void ChatModel::onFileEditApplied(const QString &editId)
+{
+    updateFileEditStatus(editId, "applied", "Successfully applied");
+}
+
+void ChatModel::onFileEditRejected(const QString &editId)
+{
+    updateFileEditStatus(editId, "rejected", "Rejected by user");
+}
+
+void ChatModel::onFileEditArchived(const QString &editId)
+{
+    updateFileEditStatus(editId, "archived", "Archived (from previous conversation turn)");
+}
+
+void ChatModel::updateFileEditStatus(const QString &editId, const QString &status, const QString &statusMessage)
+{
+    const QString marker = "QODEASSIST_FILE_EDIT:";
+    
+    for (int i = 0; i < m_messages.size(); ++i) {
+        if (m_messages[i].role == ChatRole::FileEdit && m_messages[i].id == editId) {
+            const QString &content = m_messages[i].content;
+            
+            if (content.contains(marker)) {
+                int markerPos = content.indexOf(marker);
+                int jsonStart = markerPos + marker.length();
+                
+                if (jsonStart < content.length()) {
+                    QString jsonStr = content.mid(jsonStart);
+                    QJsonDocument doc = QJsonDocument::fromJson(jsonStr.toUtf8());
+                    
+                    if (doc.isObject()) {
+                        QJsonObject editData = doc.object();
+                        
+                        editData["status"] = status;
+                        editData["status_message"] = statusMessage;
+                        
+                        QString updatedContent = marker 
+                            + QString::fromUtf8(QJsonDocument(editData).toJson(QJsonDocument::Compact));
+                        
+                        m_messages[i].content = updatedContent;
+                        
+                        emit dataChanged(index(i), index(i));
+                        
+                        LOG_MESSAGE(QString("Updated FileEdit message status: editId=%1, status=%2")
+                                        .arg(editId, status));
+                        break;
+                    }
+                }
+            }
+        }
+    }
+}
+
+void ChatModel::setChatFilePath(const QString &filePath)
+{
+    m_chatFilePath = filePath;
+}
+
+QString ChatModel::chatFilePath() const
+{
+    return m_chatFilePath;
+}
+
+} // namespace QodeAssist::Chat

ChatView/ChatModel.hpp

@@ -0,0 +1,113 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "ContextData.hpp"
+#include "MessagePart.hpp"
+
+#include <QAbstractListModel>
+#include <QJsonArray>
+#include <QtQmlIntegration>
+
+#include "context/ContentFile.hpp"
+
+namespace QodeAssist::Chat {
+
+class ChatModel : public QAbstractListModel
+{
+    Q_OBJECT
+    Q_PROPERTY(int tokensThreshold READ tokensThreshold NOTIFY tokensThresholdChanged FINAL)
+    QML_ELEMENT
+
+public:
+    enum ChatRole { System, User, Assistant, Tool, FileEdit, Thinking };
+    Q_ENUM(ChatRole)
+
+    enum Roles { RoleType = Qt::UserRole, Content, Attachments, IsRedacted, Images };
+    Q_ENUM(Roles)
+
+    struct ImageAttachment
+    {
+        QString fileName;      // Original filename
+        QString storedPath;    // Path to stored image file (relative to chat folder)
+        QString mediaType;     // MIME type
+    };
+
+    struct Message
+    {
+        ChatRole role;
+        QString content;
+        QString id;
+        bool isRedacted = false;
+        QString signature = QString();
+
+        QList<Context::ContentFile> attachments;
+        QList<ImageAttachment> images;
+    };
+
+    explicit ChatModel(QObject *parent = nullptr);
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+    QHash<int, QByteArray> roleNames() const override;
+
+    Q_INVOKABLE void addMessage(
+        const QString &content,
+        ChatRole role,
+        const QString &id,
+        const QList<Context::ContentFile> &attachments = {},
+        const QList<ImageAttachment> &images = {},
+        bool isRedacted = false,
+        const QString &signature = QString());
+    Q_INVOKABLE void clear();
+    Q_INVOKABLE QList<MessagePart> processMessageContent(const QString &content) const;
+
+    QVector<Message> getChatHistory() const;
+    QJsonArray prepareMessagesForRequest(const QString &systemPrompt) const;
+
+    int tokensThreshold() const;
+
+    QString currentModel() const;
+    QString lastMessageId() const;
+
+    Q_INVOKABLE void resetModelTo(int index);
+
+    void addToolExecutionStatus(
+        const QString &requestId, const QString &toolId, const QString &toolName);
+    void updateToolResult(
+        const QString &requestId,
+        const QString &toolId,
+        const QString &toolName,
+        const QString &result);
+    void addThinkingBlock(
+        const QString &requestId, const QString &thinking, const QString &signature);
+    void addRedactedThinkingBlock(const QString &requestId, const QString &signature);
+    void updateMessageContent(const QString &messageId, const QString &newContent);
+    
+    void setLoadingFromHistory(bool loading);
+    bool isLoadingFromHistory() const;
+    
+    void setChatFilePath(const QString &filePath);
+    QString chatFilePath() const;
+
+signals:
+    void tokensThresholdChanged();
+    void modelReseted();
+
+private slots:
+    void onFileEditApplied(const QString &editId);
+    void onFileEditRejected(const QString &editId);
+    void onFileEditArchived(const QString &editId);
+
+private:
+    void updateFileEditStatus(const QString &editId, const QString &status, const QString &statusMessage);
+    
+    QVector<Message> m_messages;
+    bool m_loadingFromHistory = false;
+    QString m_chatFilePath;
+};
+
+} // namespace QodeAssist::Chat
+Q_DECLARE_METATYPE(QodeAssist::Chat::ChatModel::Message)
+Q_DECLARE_METATYPE(QodeAssist::Chat::MessagePart)

ChatView/ChatRootView.hpp

@@ -0,0 +1,253 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QQuickItem>
+#include <QVariantList>
+
+#include "ChatFileManager.hpp"
+#include "ChatModel.hpp"
+#include "ClientInterface.hpp"
+#include "pluginllmcore/PromptProviderChat.hpp"
+#include <coreplugin/editormanager/editormanager.h>
+
+namespace QodeAssist::Chat {
+
+class ChatCompressor;
+
+class ChatRootView : public QQuickItem
+{
+    Q_OBJECT
+    Q_PROPERTY(QodeAssist::Chat::ChatModel *chatModel READ chatModel NOTIFY chatModelChanged FINAL)
+    Q_PROPERTY(QString currentTemplate READ currentTemplate NOTIFY currentTemplateChanged FINAL)
+    Q_PROPERTY(bool isSyncOpenFiles READ isSyncOpenFiles NOTIFY isSyncOpenFilesChanged FINAL)
+    Q_PROPERTY(QStringList attachmentFiles READ attachmentFiles NOTIFY attachmentFilesChanged FINAL)
+    Q_PROPERTY(QStringList linkedFiles READ linkedFiles NOTIFY linkedFilesChanged FINAL)
+    Q_PROPERTY(int inputTokensCount READ inputTokensCount NOTIFY inputTokensCountChanged FINAL)
+    Q_PROPERTY(QString chatFileName READ chatFileName NOTIFY chatFileNameChanged FINAL)
+    Q_PROPERTY(QString textFontFamily READ textFontFamily NOTIFY textFamilyChanged FINAL)
+    Q_PROPERTY(QString codeFontFamily READ codeFontFamily NOTIFY codeFamilyChanged FINAL)
+    Q_PROPERTY(int codeFontSize READ codeFontSize NOTIFY codeFontSizeChanged FINAL)
+    Q_PROPERTY(int textFontSize READ textFontSize NOTIFY textFontSizeChanged FINAL)
+    Q_PROPERTY(int textFormat READ textFormat NOTIFY textFormatChanged FINAL)
+    Q_PROPERTY(bool isRequestInProgress READ isRequestInProgress NOTIFY isRequestInProgressChanged FINAL)
+    Q_PROPERTY(QString lastErrorMessage READ lastErrorMessage NOTIFY lastErrorMessageChanged FINAL)
+    Q_PROPERTY(QString lastInfoMessage READ lastInfoMessage NOTIFY lastInfoMessageChanged FINAL)
+    Q_PROPERTY(QVariantList activeRules READ activeRules NOTIFY activeRulesChanged FINAL)
+    Q_PROPERTY(int activeRulesCount READ activeRulesCount NOTIFY activeRulesCountChanged FINAL)
+    Q_PROPERTY(bool useTools READ useTools WRITE setUseTools NOTIFY useToolsChanged FINAL)
+    Q_PROPERTY(bool useThinking READ useThinking WRITE setUseThinking NOTIFY useThinkingChanged FINAL)
+    
+    Q_PROPERTY(int currentMessageTotalEdits READ currentMessageTotalEdits NOTIFY currentMessageEditsStatsChanged FINAL)
+    Q_PROPERTY(int currentMessageAppliedEdits READ currentMessageAppliedEdits NOTIFY currentMessageEditsStatsChanged FINAL)
+    Q_PROPERTY(int currentMessagePendingEdits READ currentMessagePendingEdits NOTIFY currentMessageEditsStatsChanged FINAL)
+    Q_PROPERTY(int currentMessageRejectedEdits READ currentMessageRejectedEdits NOTIFY currentMessageEditsStatsChanged FINAL)
+    Q_PROPERTY(bool isThinkingSupport READ isThinkingSupport NOTIFY isThinkingSupportChanged FINAL)
+    Q_PROPERTY(QStringList availableConfigurations READ availableConfigurations NOTIFY availableConfigurationsChanged FINAL)
+    Q_PROPERTY(QString currentConfiguration READ currentConfiguration NOTIFY currentConfigurationChanged FINAL)
+    Q_PROPERTY(QStringList availableAgentRoles READ availableAgentRoles NOTIFY availableAgentRolesChanged FINAL)
+    Q_PROPERTY(QString currentAgentRole READ currentAgentRole NOTIFY currentAgentRoleChanged FINAL)
+    Q_PROPERTY(QString baseSystemPrompt READ baseSystemPrompt NOTIFY baseSystemPromptChanged FINAL)
+    Q_PROPERTY(QString currentAgentRoleDescription READ currentAgentRoleDescription NOTIFY currentAgentRoleChanged FINAL)
+    Q_PROPERTY(QString currentAgentRoleSystemPrompt READ currentAgentRoleSystemPrompt NOTIFY currentAgentRoleChanged FINAL)
+    Q_PROPERTY(bool isCompressing READ isCompressing NOTIFY isCompressingChanged FINAL)
+
+    QML_ELEMENT
+
+public:
+    ChatRootView(QQuickItem *parent = nullptr);
+
+    ChatModel *chatModel() const;
+    QString currentTemplate() const;
+
+    void saveHistory(const QString &filePath);
+    void loadHistory(const QString &filePath);
+
+    Q_INVOKABLE void showSaveDialog();
+    Q_INVOKABLE void showLoadDialog();
+
+    void autosave();
+    QString getAutosaveFilePath() const;
+    QString getAutosaveFilePath(const QString &firstMessage, const QStringList &attachments) const;
+
+    QStringList attachmentFiles() const;
+    QStringList linkedFiles() const;
+
+    Q_INVOKABLE void showAttachFilesDialog();
+    Q_INVOKABLE void addFilesToAttachList(const QStringList &filePaths);
+    Q_INVOKABLE void removeFileFromAttachList(int index);
+    Q_INVOKABLE void showLinkFilesDialog();
+    Q_INVOKABLE void addFilesToLinkList(const QStringList &filePaths);
+    Q_INVOKABLE void removeFileFromLinkList(int index);
+    Q_INVOKABLE QStringList convertUrlsToLocalPaths(const QVariantList &urls) const;
+    Q_INVOKABLE void showAddImageDialog();
+    Q_INVOKABLE bool isImageFile(const QString &filePath) const;
+    Q_INVOKABLE void calculateMessageTokensCount(const QString &message);
+    Q_INVOKABLE void setIsSyncOpenFiles(bool state);
+    Q_INVOKABLE void openChatHistoryFolder();
+    Q_INVOKABLE void openRulesFolder();
+    Q_INVOKABLE void openSettings();
+
+    Q_INVOKABLE void openFileInEditor(const QString &filePath);
+
+    Q_INVOKABLE void updateInputTokensCount();
+    int inputTokensCount() const;
+
+    bool isSyncOpenFiles() const;
+
+    void onEditorAboutToClose(Core::IEditor *editor);
+    void onAppendLinkFileFromEditor(Core::IEditor *editor);
+    void onEditorCreated(Core::IEditor *editor, const Utils::FilePath &filePath);
+
+    QString chatFileName() const;
+    Q_INVOKABLE QString chatFilePath() const;
+    void setRecentFilePath(const QString &filePath);
+    bool shouldIgnoreFileForAttach(const Utils::FilePath &filePath);
+
+    QString textFontFamily() const;
+    QString codeFontFamily() const;
+
+    int codeFontSize() const;
+    int textFontSize() const;
+    int textFormat() const;
+
+    bool isRequestInProgress() const;
+    void setRequestProgressStatus(bool state);
+
+    QString lastErrorMessage() const;
+    
+    QVariantList activeRules() const;
+    int activeRulesCount() const;
+    Q_INVOKABLE QString getRuleContent(int index);
+    Q_INVOKABLE void refreshRules();
+
+    bool useTools() const;
+    void setUseTools(bool enabled);
+    bool useThinking() const;
+    void setUseThinking(bool enabled);
+
+    Q_INVOKABLE void applyFileEdit(const QString &editId);
+    Q_INVOKABLE void rejectFileEdit(const QString &editId);
+    Q_INVOKABLE void undoFileEdit(const QString &editId);
+    Q_INVOKABLE void openFileEditInEditor(const QString &editId);
+    
+    Q_INVOKABLE void applyAllFileEditsForCurrentMessage();
+    Q_INVOKABLE void undoAllFileEditsForCurrentMessage();
+    Q_INVOKABLE void updateCurrentMessageEditsStats();
+
+    Q_INVOKABLE void loadAvailableConfigurations();
+    Q_INVOKABLE void applyConfiguration(const QString &configName);
+    QStringList availableConfigurations() const;
+    QString currentConfiguration() const;
+
+    Q_INVOKABLE void compressCurrentChat();
+    Q_INVOKABLE void cancelCompression();
+
+    Q_INVOKABLE void loadAvailableAgentRoles();
+    Q_INVOKABLE void applyAgentRole(const QString &roleId);
+    Q_INVOKABLE void openAgentRolesSettings();
+    QStringList availableAgentRoles() const;
+    QString currentAgentRole() const;
+    QString baseSystemPrompt() const;
+    QString currentAgentRoleDescription() const;
+    QString currentAgentRoleSystemPrompt() const;
+    
+    int currentMessageTotalEdits() const;
+    int currentMessageAppliedEdits() const;
+    int currentMessagePendingEdits() const;
+    int currentMessageRejectedEdits() const;
+
+    QString lastInfoMessage() const;
+
+    bool isThinkingSupport() const;
+    
+    bool isCompressing() const;
+
+public slots:
+    void sendMessage(const QString &message);
+    void copyToClipboard(const QString &text);
+    void cancelRequest();
+    void clearAttachmentFiles();
+    void clearLinkedFiles();
+    void clearMessages();
+
+signals:
+    void chatModelChanged();
+    void currentTemplateChanged();
+    void attachmentFilesChanged();
+    void linkedFilesChanged();
+    void inputTokensCountChanged();
+    void isSyncOpenFilesChanged();
+    void chatFileNameChanged();
+    void textFamilyChanged();
+    void codeFamilyChanged();
+    void codeFontSizeChanged();
+    void textFontSizeChanged();
+    void textFormatChanged();
+    void chatRequestStarted();
+    void isRequestInProgressChanged();
+
+    void lastErrorMessageChanged();
+    void lastInfoMessageChanged();
+    void activeRulesChanged();
+    void activeRulesCountChanged();
+
+    void useToolsChanged();
+    void useThinkingChanged();
+    void currentMessageEditsStatsChanged();
+
+    void isThinkingSupportChanged();
+    void availableConfigurationsChanged();
+    void currentConfigurationChanged();
+
+    void availableAgentRolesChanged();
+    void currentAgentRoleChanged();
+    void baseSystemPromptChanged();
+
+    void isCompressingChanged();
+    void compressionCompleted(const QString &compressedChatPath);
+    void compressionFailed(const QString &error);
+
+    void openFilesChanged();
+
+private:
+    void updateFileEditStatus(const QString &editId, const QString &status);
+    QString getChatsHistoryDir() const;
+    QString getSuggestedFileName() const;
+    QString generateChatFileName(const QString &shortMessage, const QString &dir) const;
+    bool hasImageAttachments(const QStringList &attachments) const;
+
+    ChatModel *m_chatModel;
+    PluginLLMCore::PromptProviderChat m_promptProvider;
+    ClientInterface *m_clientInterface;
+    ChatFileManager *m_fileManager;
+    QString m_currentTemplate;
+    QString m_recentFilePath;
+    QStringList m_attachmentFiles;
+    QStringList m_linkedFiles;
+    int m_messageTokensCount{0};
+    int m_inputTokensCount{0};
+    bool m_isSyncOpenFiles;
+    QList<Core::IEditor *> m_currentEditors;
+    bool m_isRequestInProgress;
+    QString m_lastErrorMessage;
+    QVariantList m_activeRules;
+    
+    QString m_currentMessageRequestId;
+    int m_currentMessageTotalEdits{0};
+    int m_currentMessageAppliedEdits{0};
+    int m_currentMessagePendingEdits{0};
+    int m_currentMessageRejectedEdits{0};
+    QString m_lastInfoMessage;
+    
+    QStringList m_availableConfigurations;
+    QString m_currentConfiguration;
+
+    QStringList m_availableAgentRoles;
+    QString m_currentAgentRole;
+
+    ChatCompressor *m_chatCompressor;
+};
+
+} // namespace QodeAssist::Chat

ChatView/ChatSerializer.cpp

@@ -0,0 +1,287 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "ChatSerializer.hpp"
+#include "Logger.hpp"
+
+#include <QBuffer>
+#include <QDir>
+#include <QFile>
+#include <QFileInfo>
+#include <QJsonArray>
+#include <QJsonDocument>
+#include <QUuid>
+
+namespace QodeAssist::Chat {
+
+const QString ChatSerializer::VERSION = "0.2";
+
+SerializationResult ChatSerializer::saveToFile(const ChatModel *model, const QString &filePath)
+{
+    if (!ensureDirectoryExists(filePath)) {
+        return {false, "Failed to create directory structure"};
+    }
+
+    QFile file(filePath);
+    if (!file.open(QIODevice::WriteOnly)) {
+        return {false, QString("Failed to open file for writing: %1").arg(filePath)};
+    }
+
+    QJsonObject root = serializeChat(model, filePath);
+    QJsonDocument doc(root);
+
+    if (file.write(doc.toJson(QJsonDocument::Indented)) == -1) {
+        return {false, QString("Failed to write to file: %1").arg(file.errorString())};
+    }
+
+    return {true, QString()};
+}
+
+SerializationResult ChatSerializer::loadFromFile(ChatModel *model, const QString &filePath)
+{
+    QFile file(filePath);
+    if (!file.open(QIODevice::ReadOnly)) {
+        return {false, QString("Failed to open file for reading: %1").arg(filePath)};
+    }
+
+    QJsonParseError error;
+    QJsonDocument doc = QJsonDocument::fromJson(file.readAll(), &error);
+    if (error.error != QJsonParseError::NoError) {
+        return {false, QString("JSON parse error: %1").arg(error.errorString())};
+    }
+
+    QJsonObject root = doc.object();
+    QString version = root["version"].toString();
+
+    if (!validateVersion(version)) {
+        return {false, QString("Unsupported version: %1").arg(version)};
+    }
+
+    if (!deserializeChat(model, root, filePath)) {
+        return {false, "Failed to deserialize chat data"};
+    }
+
+    return {true, QString()};
+}
+
+QJsonObject ChatSerializer::serializeMessage(
+    const ChatModel::Message &message, const QString &chatFilePath)
+{
+    QJsonObject messageObj;
+    messageObj["role"] = static_cast<int>(message.role);
+    messageObj["content"] = message.content;
+    messageObj["id"] = message.id;
+
+    if (message.isRedacted) {
+        messageObj["isRedacted"] = true;
+    }
+
+    if (!message.signature.isEmpty()) {
+        messageObj["signature"] = message.signature;
+    }
+
+    if (!message.attachments.isEmpty()) {
+        QJsonArray attachmentsArray;
+        for (const auto &attachment : message.attachments) {
+            QJsonObject attachmentObj;
+            attachmentObj["fileName"] = attachment.filename;
+            attachmentObj["storedPath"] = attachment.content;
+            attachmentsArray.append(attachmentObj);
+        }
+        messageObj["attachments"] = attachmentsArray;
+    }
+
+    if (!message.images.isEmpty()) {
+        QJsonArray imagesArray;
+        for (const auto &image : message.images) {
+            QJsonObject imageObj;
+            imageObj["fileName"] = image.fileName;
+            imageObj["storedPath"] = image.storedPath;
+            imageObj["mediaType"] = image.mediaType;
+            imagesArray.append(imageObj);
+        }
+        messageObj["images"] = imagesArray;
+    }
+
+    return messageObj;
+}
+
+ChatModel::Message ChatSerializer::deserializeMessage(
+    const QJsonObject &json, const QString &chatFilePath)
+{
+    ChatModel::Message message;
+    message.role = static_cast<ChatModel::ChatRole>(json["role"].toInt());
+    message.content = json["content"].toString();
+    message.id = json["id"].toString();
+    message.isRedacted = json["isRedacted"].toBool(false);
+    message.signature = json["signature"].toString();
+
+    if (json.contains("attachments")) {
+        QJsonArray attachmentsArray = json["attachments"].toArray();
+        for (const auto &attachmentValue : attachmentsArray) {
+            QJsonObject attachmentObj = attachmentValue.toObject();
+            Context::ContentFile attachment;
+            attachment.filename = attachmentObj["fileName"].toString();
+            attachment.content = attachmentObj["storedPath"].toString();
+            message.attachments.append(attachment);
+        }
+    }
+
+    if (json.contains("images")) {
+        QJsonArray imagesArray = json["images"].toArray();
+        for (const auto &imageValue : imagesArray) {
+            QJsonObject imageObj = imageValue.toObject();
+            ChatModel::ImageAttachment image;
+            image.fileName = imageObj["fileName"].toString();
+            image.storedPath = imageObj["storedPath"].toString();
+            image.mediaType = imageObj["mediaType"].toString();
+            message.images.append(image);
+        }
+    }
+
+    return message;
+}
+
+QJsonObject ChatSerializer::serializeChat(const ChatModel *model, const QString &chatFilePath)
+{
+    QJsonArray messagesArray;
+    for (const auto &message : model->getChatHistory()) {
+        messagesArray.append(serializeMessage(message, chatFilePath));
+    }
+
+    QJsonObject root;
+    root["version"] = VERSION;
+    root["messages"] = messagesArray;
+
+    return root;
+}
+
+bool ChatSerializer::deserializeChat(
+    ChatModel *model, const QJsonObject &json, const QString &chatFilePath)
+{
+    QJsonArray messagesArray = json["messages"].toArray();
+    QVector<ChatModel::Message> messages;
+    messages.reserve(messagesArray.size());
+
+    for (const auto &messageValue : messagesArray) {
+        messages.append(deserializeMessage(messageValue.toObject(), chatFilePath));
+    }
+
+    model->clear();
+
+    model->setLoadingFromHistory(true);
+
+    for (const auto &message : messages) {
+        model->addMessage(
+            message.content,
+            message.role,
+            message.id,
+            message.attachments,
+            message.images,
+            message.isRedacted,
+            message.signature);
+        LOG_MESSAGE(QString("Loaded message with %1 image(s), isRedacted=%2, signature length=%3")
+                        .arg(message.images.size())
+                        .arg(message.isRedacted)
+                        .arg(message.signature.length()));
+    }
+
+    model->setLoadingFromHistory(false);
+
+    return true;
+}
+
+bool ChatSerializer::ensureDirectoryExists(const QString &filePath)
+{
+    QFileInfo fileInfo(filePath);
+    QDir dir = fileInfo.dir();
+    return dir.exists() || dir.mkpath(".");
+}
+
+bool ChatSerializer::validateVersion(const QString &version)
+{
+    if (version == VERSION) {
+        return true;
+    }
+
+    if (version == "0.1") {
+        LOG_MESSAGE(
+            "Loading chat from old format 0.1 - images folder structure has changed from _images "
+            "to _content");
+        return true;
+    }
+
+    return false;
+}
+
+QString ChatSerializer::getChatContentFolder(const QString &chatFilePath)
+{
+    QFileInfo fileInfo(chatFilePath);
+    QString baseName = fileInfo.completeBaseName();
+    QString dirPath = fileInfo.absolutePath();
+    return QDir(dirPath).filePath(baseName + "_content");
+}
+
+bool ChatSerializer::saveContentToStorage(
+    const QString &chatFilePath,
+    const QString &fileName,
+    const QString &base64Data,
+    QString &storedPath)
+{
+    QString contentFolder = getChatContentFolder(chatFilePath);
+    QDir dir;
+    if (!dir.exists(contentFolder)) {
+        if (!dir.mkpath(contentFolder)) {
+            LOG_MESSAGE(QString("Failed to create content folder: %1").arg(contentFolder));
+            return false;
+        }
+    }
+
+    QFileInfo originalFileInfo(fileName);
+    QString extension = originalFileInfo.suffix();
+    QString baseName = originalFileInfo.completeBaseName();
+    QString uniqueName = QString("%1_%2.%3")
+                             .arg(baseName)
+                             .arg(QUuid::createUuid().toString(QUuid::WithoutBraces).left(8))
+                             .arg(extension);
+
+    QString fullPath = QDir(contentFolder).filePath(uniqueName);
+
+    QByteArray contentData = QByteArray::fromBase64(base64Data.toUtf8());
+    QFile file(fullPath);
+    if (!file.open(QIODevice::WriteOnly)) {
+        LOG_MESSAGE(QString("Failed to open file for writing: %1").arg(fullPath));
+        return false;
+    }
+
+    if (file.write(contentData) == -1) {
+        LOG_MESSAGE(QString("Failed to write content data: %1").arg(file.errorString()));
+        return false;
+    }
+
+    file.close();
+
+    storedPath = uniqueName;
+    LOG_MESSAGE(QString("Saved content: %1 to %2").arg(fileName, fullPath));
+
+    return true;
+}
+
+QString ChatSerializer::loadContentFromStorage(const QString &chatFilePath, const QString &storedPath)
+{
+    QString contentFolder = getChatContentFolder(chatFilePath);
+    QString fullPath = QDir(contentFolder).filePath(storedPath);
+
+    QFile file(fullPath);
+    if (!file.open(QIODevice::ReadOnly)) {
+        LOG_MESSAGE(QString("Failed to open content file: %1").arg(fullPath));
+        return QString();
+    }
+
+    QByteArray contentData = file.readAll();
+    file.close();
+
+    return contentData.toBase64();
+}
+
+} // namespace QodeAssist::Chat

ChatView/ChatSerializer.hpp

@@ -0,0 +1,48 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QJsonArray>
+#include <QJsonObject>
+#include <QString>
+
+#include "ChatModel.hpp"
+
+namespace QodeAssist::Chat {
+
+struct SerializationResult
+{
+    bool success{false};
+    QString errorMessage;
+};
+
+class ChatSerializer
+{
+public:
+    static SerializationResult saveToFile(const ChatModel *model, const QString &filePath);
+    static SerializationResult loadFromFile(ChatModel *model, const QString &filePath);
+
+    // Public for testing purposes
+    static QJsonObject serializeMessage(const ChatModel::Message &message, const QString &chatFilePath);
+    static ChatModel::Message deserializeMessage(const QJsonObject &json, const QString &chatFilePath);
+    static QJsonObject serializeChat(const ChatModel *model, const QString &chatFilePath);
+    static bool deserializeChat(ChatModel *model, const QJsonObject &json, const QString &chatFilePath);
+
+    // Content management (images and text files)
+    static QString getChatContentFolder(const QString &chatFilePath);
+    static bool saveContentToStorage(const QString &chatFilePath, 
+                                      const QString &fileName,
+                                      const QString &base64Data,
+                                      QString &storedPath);
+    static QString loadContentFromStorage(const QString &chatFilePath, const QString &storedPath);
+
+private:
+    static const QString VERSION;
+    static constexpr int CURRENT_VERSION = 1;
+
+    static bool ensureDirectoryExists(const QString &filePath);
+    static bool validateVersion(const QString &version);
+};
+
+} // namespace QodeAssist::Chat

ChatView/ChatUtils.cpp

@@ -0,0 +1,52 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "ChatUtils.h"
+
+#include <QClipboard>
+#include <QGuiApplication>
+
+namespace QodeAssist::Chat {
+
+void ChatUtils::copyToClipboard(const QString &text)
+{
+    QGuiApplication::clipboard()->setText(text);
+}
+
+QString ChatUtils::getSafeMarkdownText(const QString &text) const
+{
+    if (text.isEmpty()) {
+        return text;
+    }
+
+    bool needsSanitization = false;
+    for (const QChar &ch : text) {
+        if (ch.isNull() || (!ch.isPrint() && ch != '\n' && ch != '\t' && ch != '\r' && ch != ' ')) {
+            needsSanitization = true;
+            break;
+        }
+    }
+
+    if (!needsSanitization) {
+        return text;
+    }
+
+    QString safeText;
+    safeText.reserve(text.size());
+
+    for (QChar ch : text) {
+        if (ch.isNull()) {
+            safeText.append(' ');
+        } else if (ch == '\n' || ch == '\t' || ch == '\r' || ch == ' ') {
+            safeText.append(ch);
+        } else if (ch.isPrint()) {
+            safeText.append(ch);
+        } else {
+            safeText.append(QChar(0xFFFD));
+        }
+    }
+
+    return safeText;
+}
+
+} // namespace QodeAssist::Chat

ChatView/ChatUtils.h

@@ -0,0 +1,24 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <qobject.h>
+#include <qqmlintegration.h>
+
+namespace QodeAssist::Chat {
+
+class ChatUtils : public QObject
+{
+    Q_OBJECT
+    QML_NAMED_ELEMENT(ChatUtils)
+
+public:
+    explicit ChatUtils(QObject *parent = nullptr)
+        : QObject(parent) {};
+
+    Q_INVOKABLE void copyToClipboard(const QString &text);
+    Q_INVOKABLE QString getSafeMarkdownText(const QString &text) const;
+};
+
+} // namespace QodeAssist::Chat

ChatView/ChatView.cpp

@@ -0,0 +1,90 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "ChatView.hpp"
+
+#include <QQmlContext>
+#include <QQmlEngine>
+#include <QSettings>
+#include <QVariantMap>
+
+#include <coreplugin/actionmanager/actionmanager.h>
+#include <logger/Logger.hpp>
+
+namespace {
+constexpr Qt::WindowFlags baseFlags = Qt::Window | Qt::WindowTitleHint | Qt::WindowSystemMenuHint
+                                      | Qt::WindowMinimizeButtonHint | Qt::WindowMaximizeButtonHint
+                                      | Qt::WindowCloseButtonHint;
+}
+
+namespace QodeAssist::Chat {
+
+ChatView::ChatView()
+    : m_isPin(false)
+{
+    setTitle("QodeAssist Chat");
+    engine()->rootContext()->setContextProperty("_chatview", this);
+    setSource(QUrl("qrc:/qt/qml/ChatView/qml/RootItem.qml"));
+    setResizeMode(QQuickView::SizeRootObjectToView);
+    setMinimumSize({400, 300});
+    setFlags(baseFlags);
+
+    if (auto action = Core::ActionManager::command("QodeAssist.CloseChatView")) {
+        m_closeShortcut = new QShortcut(action->keySequence(), this);
+        connect(m_closeShortcut, &QShortcut::activated, this, &QQuickView::close);
+
+        connect(action, &Core::Command::keySequenceChanged, this, [action, this]() {
+            if (m_closeShortcut) {
+                m_closeShortcut->setKey(action->keySequence());
+            }
+        });
+    }
+
+    restoreSettings();
+}
+
+void ChatView::closeEvent(QCloseEvent *event)
+{
+    saveSettings();
+    event->accept();
+}
+
+void ChatView::saveSettings()
+{
+    QSettings settings;
+    settings.setValue("QodeAssist/ChatView/geometry", geometry());
+    settings.setValue("QodeAssist/ChatView/pinned", m_isPin);
+}
+
+void ChatView::restoreSettings()
+{
+    QSettings settings;
+    const QRect savedGeometry
+        = settings.value("QodeAssist/ChatView/geometry", QRect(100, 100, 800, 600)).toRect();
+    setGeometry(savedGeometry);
+
+    const bool pinned = settings.value("QodeAssist/ChatView/pinned", false).toBool();
+    setIsPin(pinned);
+}
+
+bool ChatView::isPin() const
+{
+    return m_isPin;
+}
+
+void ChatView::setIsPin(bool newIsPin)
+{
+    if (m_isPin == newIsPin)
+        return;
+    m_isPin = newIsPin;
+
+    if (m_isPin) {
+        setFlags(baseFlags | Qt::WindowStaysOnTopHint);
+    } else {
+        setFlags(baseFlags);
+    }
+
+    emit isPinChanged();
+}
+
+} // namespace QodeAssist::Chat

ChatView/ChatView.hpp

@@ -0,0 +1,35 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QQuickView>
+#include <QShortcut>
+
+namespace QodeAssist::Chat {
+
+class ChatView : public QQuickView
+{
+    Q_OBJECT
+    Q_PROPERTY(bool isPin READ isPin WRITE setIsPin NOTIFY isPinChanged FINAL)
+public:
+    ChatView();
+
+    bool isPin() const;
+    void setIsPin(bool newIsPin);
+
+signals:
+    void isPinChanged();
+
+protected:
+    void closeEvent(QCloseEvent *event) override;
+
+private:
+    void saveSettings();
+    void restoreSettings();
+
+    bool m_isPin;
+    QShortcut *m_closeShortcut;
+};
+
+} // namespace QodeAssist::Chat

ChatView/ChatWidget.cpp

@@ -0,0 +1,27 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "ChatWidget.hpp"
+
+#include <QQmlContext>
+#include <QQmlEngine>
+
+namespace QodeAssist::Chat {
+
+ChatWidget::ChatWidget(QWidget *parent)
+    : QQuickWidget(parent)
+{
+    setSource(QUrl("qrc:/qt/qml/ChatView/qml/RootItem.qml"));
+    setResizeMode(QQuickWidget::SizeRootObjectToView);
+}
+
+void ChatWidget::clear()
+{
+    QMetaObject::invokeMethod(rootObject(), "clearChat");
+}
+
+void ChatWidget::scrollToBottom()
+{
+    QMetaObject::invokeMethod(rootObject(), "scrollToBottom");
+}
+} // namespace QodeAssist::Chat

ChatView/ChatWidget.hpp

@@ -0,0 +1,25 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QtQuickWidgets/QtQuickWidgets>
+
+namespace QodeAssist::Chat {
+
+class ChatWidget : public QQuickWidget
+{
+    Q_OBJECT
+
+public:
+    explicit ChatWidget(QWidget *parent = nullptr);
+    ~ChatWidget() = default;
+
+    Q_INVOKABLE void clear();
+    Q_INVOKABLE void scrollToBottom();
+
+signals:
+    void clearPressed();
+};
+
+} // namespace QodeAssist::Chat

ChatView/ClientInterface.cpp

@@ -0,0 +1,609 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "ClientInterface.hpp"
+
+#include <LLMQore/BaseClient.hpp>
+
+#include <projectexplorer/buildconfiguration.h>
+#include <projectexplorer/target.h>
+#include <texteditor/textdocument.h>
+#include <QFile>
+#include <QFileInfo>
+#include <QImageReader>
+#include <QJsonArray>
+#include <QJsonDocument>
+#include <QMimeDatabase>
+#include <QUuid>
+
+#include <coreplugin/editormanager/editormanager.h>
+#include <coreplugin/editormanager/ieditor.h>
+#include <coreplugin/idocument.h>
+#include <projectexplorer/project.h>
+#include <projectexplorer/projectexplorer.h>
+#include <projectexplorer/projectmanager.h>
+
+#include <texteditor/textdocument.h>
+#include <texteditor/texteditor.h>
+
+#include <LLMQore/ToolsManager.hpp>
+
+#include "tools/TodoTool.hpp"
+
+#include "ChatAssistantSettings.hpp"
+#include "ChatSerializer.hpp"
+#include "GeneralSettings.hpp"
+#include "Logger.hpp"
+#include "ProvidersManager.hpp"
+#include "ToolsSettings.hpp"
+#include <RulesLoader.hpp>
+#include <context/ChangesManager.h>
+
+namespace QodeAssist::Chat {
+
+ClientInterface::ClientInterface(
+    ChatModel *chatModel, PluginLLMCore::IPromptProvider *promptProvider, QObject *parent)
+    : QObject(parent)
+    , m_chatModel(chatModel)
+    , m_promptProvider(promptProvider)
+    , m_contextManager(new Context::ContextManager(this))
+{}
+
+ClientInterface::~ClientInterface()
+{
+    cancelRequest();
+}
+
+void ClientInterface::sendMessage(
+    const QString &message,
+    const QList<QString> &attachments,
+    const QList<QString> &linkedFiles,
+    bool useTools,
+    bool useThinking)
+{
+    cancelRequest();
+    m_accumulatedResponses.clear();
+
+    Context::ChangesManager::instance().archiveAllNonArchivedEdits();
+
+    QList<QString> imageFiles;
+    QList<QString> textFiles;
+
+    for (const QString &filePath : attachments) {
+        if (isImageFile(filePath)) {
+            imageFiles.append(filePath);
+        } else {
+            textFiles.append(filePath);
+        }
+    }
+
+    QList<Context::ContentFile> storedAttachments;
+    if (!textFiles.isEmpty() && !m_chatFilePath.isEmpty()) {
+        auto attachFiles = m_contextManager->getContentFiles(textFiles);
+        for (const auto &file : attachFiles) {
+            QString storedPath;
+            if (ChatSerializer::saveContentToStorage(
+                    m_chatFilePath, file.filename, file.content.toUtf8().toBase64(), storedPath)) {
+                Context::ContentFile storedFile;
+                storedFile.filename = file.filename;
+                storedFile.content = storedPath;
+                storedAttachments.append(storedFile);
+                LOG_MESSAGE(QString("Stored text file %1 as %2").arg(file.filename, storedPath));
+            }
+        }
+    } else if (!textFiles.isEmpty()) {
+        LOG_MESSAGE(QString("Warning: Chat file path not set, cannot save %1 text file(s)")
+                        .arg(textFiles.size()));
+    }
+
+    QList<ChatModel::ImageAttachment> imageAttachments;
+    if (!imageFiles.isEmpty() && !m_chatFilePath.isEmpty()) {
+        for (const QString &imagePath : imageFiles) {
+            QString base64Data = encodeImageToBase64(imagePath);
+            if (base64Data.isEmpty()) {
+                continue;
+            }
+
+            QString storedPath;
+            QFileInfo fileInfo(imagePath);
+            if (ChatSerializer::saveContentToStorage(
+                    m_chatFilePath, fileInfo.fileName(), base64Data, storedPath)) {
+                ChatModel::ImageAttachment imageAttachment;
+                imageAttachment.fileName = fileInfo.fileName();
+                imageAttachment.storedPath = storedPath;
+                imageAttachment.mediaType = getMediaTypeForImage(imagePath);
+                imageAttachments.append(imageAttachment);
+
+                LOG_MESSAGE(QString("Stored image %1 as %2").arg(fileInfo.fileName(), storedPath));
+            }
+        }
+    } else if (!imageFiles.isEmpty()) {
+        LOG_MESSAGE(QString("Warning: Chat file path not set, cannot save %1 image(s)")
+                        .arg(imageFiles.size()));
+    }
+
+    m_chatModel->addMessage(message, ChatModel::ChatRole::User, "", storedAttachments, imageAttachments);
+
+    auto &chatAssistantSettings = Settings::chatAssistantSettings();
+
+    auto providerName = Settings::generalSettings().caProvider();
+    auto provider = PluginLLMCore::ProvidersManager::instance().getProviderByName(providerName);
+
+    if (!provider) {
+        LOG_MESSAGE(QString("No provider found with name: %1").arg(providerName));
+        return;
+    }
+
+    auto templateName = Settings::generalSettings().caTemplate();
+    auto promptTemplate = m_promptProvider->getTemplateByName(templateName);
+
+    if (!promptTemplate) {
+        LOG_MESSAGE(QString("No template found with name: %1").arg(templateName));
+        return;
+    }
+
+    PluginLLMCore::ContextData context;
+
+    const bool isToolsEnabled = useTools;
+
+    if (chatAssistantSettings.useSystemPrompt()) {
+        QString systemPrompt = chatAssistantSettings.systemPrompt();
+
+        const QString lastRoleId = chatAssistantSettings.lastUsedRoleId();
+        if (!lastRoleId.isEmpty()) {
+            const Settings::AgentRole role = Settings::AgentRolesManager::loadRole(lastRoleId);
+            if (!role.id.isEmpty())
+                systemPrompt = systemPrompt + "\n\n" + role.systemPrompt;
+        }
+
+        auto project = PluginLLMCore::RulesLoader::getActiveProject();
+
+        if (project) {
+            systemPrompt += QString("\n# Active project name: %1").arg(project->displayName());
+            systemPrompt += QString("\n# Active Project path: %1")
+                                .arg(project->projectDirectory().toUrlishString());
+
+            if (auto target = project->activeTarget()) {
+                if (auto buildConfig = target->activeBuildConfiguration()) {
+                    systemPrompt += QString("\n# Active Build directory: %1")
+                    .arg(buildConfig->buildDirectory().toUrlishString());
+                }
+            }
+
+            QString projectRules
+                = PluginLLMCore::RulesLoader::loadRulesForProject(project, PluginLLMCore::RulesContext::Chat);
+
+            if (!projectRules.isEmpty()) {
+                systemPrompt += QString("\n# Project Rules\n\n") + projectRules;
+            }
+        } else {
+            systemPrompt += QString("\n# No active project in IDE");
+        }
+
+        if (!linkedFiles.isEmpty()) {
+            systemPrompt = getSystemPromptWithLinkedFiles(systemPrompt, linkedFiles);
+        }
+        context.systemPrompt = systemPrompt;
+    }
+
+    QVector<PluginLLMCore::Message> messages;
+    for (const auto &msg : m_chatModel->getChatHistory()) {
+        if (msg.role == ChatModel::ChatRole::Tool || msg.role == ChatModel::ChatRole::FileEdit) {
+            continue;
+        }
+
+        PluginLLMCore::Message apiMessage;
+        apiMessage.role = msg.role == ChatModel::ChatRole::User ? "user" : "assistant";
+        apiMessage.content = msg.content;
+
+        if (!msg.attachments.isEmpty() && !m_chatFilePath.isEmpty()) {
+            apiMessage.content += "\n\nAttached files:";
+            for (const auto &attachment : msg.attachments) {
+                QString fileContent = ChatSerializer::loadContentFromStorage(m_chatFilePath, attachment.content);
+                if (!fileContent.isEmpty()) {
+                    QString decodedContent = QString::fromUtf8(QByteArray::fromBase64(fileContent.toUtf8()));
+                    apiMessage.content += QString("\n\nFile: %1\n```\n%2\n```")
+                                              .arg(attachment.filename, decodedContent);
+                }
+            }
+        }
+
+        apiMessage.isThinking = (msg.role == ChatModel::ChatRole::Thinking);
+        apiMessage.isRedacted = msg.isRedacted;
+        apiMessage.signature = msg.signature;
+
+        if (provider->capabilities().testFlag(PluginLLMCore::ProviderCapability::Image)
+            && !m_chatFilePath.isEmpty() && !msg.images.isEmpty()) {
+            auto apiImages = loadImagesFromStorage(msg.images);
+            if (!apiImages.isEmpty()) {
+                apiMessage.images = apiImages;
+            }
+        }
+
+        messages.append(apiMessage);
+    }
+
+    if (!imageFiles.isEmpty()
+        && !provider->capabilities().testFlag(PluginLLMCore::ProviderCapability::Image)) {
+        LOG_MESSAGE(QString("Provider %1 doesn't support images, %2 ignored")
+                        .arg(provider->name(), QString::number(imageFiles.size())));
+    }
+
+    context.history = messages;
+
+    QJsonObject payload{
+        {"model", Settings::generalSettings().caModel()}, {"stream", true}};
+
+    provider->prepareRequest(
+        payload,
+        promptTemplate,
+        context,
+        PluginLLMCore::RequestType::Chat,
+        useTools,
+        useThinking);
+
+    provider->client()->setMaxToolContinuations(
+        Settings::toolsSettings().maxToolContinuations());
+
+    connect(
+        provider->client(),
+        &::LLMQore::BaseClient::chunkReceived,
+        this,
+        &ClientInterface::handlePartialResponse,
+        Qt::UniqueConnection);
+    connect(
+        provider->client(),
+        &::LLMQore::BaseClient::requestCompleted,
+        this,
+        &ClientInterface::handleFullResponse,
+        Qt::UniqueConnection);
+    connect(
+        provider->client(),
+        &::LLMQore::BaseClient::requestFailed,
+        this,
+        &ClientInterface::handleRequestFailed,
+        Qt::UniqueConnection);
+    connect(
+        provider->client(),
+        &::LLMQore::BaseClient::toolStarted,
+        this,
+        &ClientInterface::handleToolExecutionStarted,
+        Qt::UniqueConnection);
+    connect(
+        provider->client(),
+        &::LLMQore::BaseClient::toolResultReady,
+        this,
+        &ClientInterface::handleToolExecutionCompleted,
+        Qt::UniqueConnection);
+    connect(
+        provider->client(),
+        &::LLMQore::BaseClient::thinkingBlockReceived,
+        this,
+        &ClientInterface::handleThinkingBlockReceived,
+        Qt::UniqueConnection);
+
+    const QString customEndpoint = Settings::generalSettings().caCustomEndpoint();
+    const QString endpoint = !customEndpoint.isEmpty() ? customEndpoint
+                                                       : promptTemplate->endpoint();
+    auto requestId
+        = provider->sendRequest(QUrl(Settings::generalSettings().caUrl()), payload, endpoint);
+    QJsonObject request{{"id", requestId}};
+
+    m_activeRequests[requestId] = {request, provider};
+
+    emit requestStarted(requestId);
+    
+    if (provider->capabilities().testFlag(PluginLLMCore::ProviderCapability::Tools)
+        && provider->toolsManager()) {
+        if (auto *todoTool = qobject_cast<QodeAssist::Tools::TodoTool *>(
+                provider->toolsManager()->tool("todo_tool"))) {
+            todoTool->setCurrentSessionId(m_chatFilePath);
+        }
+    }
+}
+
+void ClientInterface::clearMessages()
+{
+    const auto providerName = Settings::generalSettings().caProvider();
+    auto *provider = PluginLLMCore::ProvidersManager::instance().getProviderByName(providerName);
+
+    if (provider && !m_chatFilePath.isEmpty()
+        && provider->capabilities().testFlag(PluginLLMCore::ProviderCapability::Tools)
+        && provider->toolsManager()) {
+        if (auto *todoTool = qobject_cast<QodeAssist::Tools::TodoTool *>(
+                provider->toolsManager()->tool("todo_tool"))) {
+            todoTool->clearSession(m_chatFilePath);
+        }
+    }
+
+    m_chatModel->clear();
+}
+
+void ClientInterface::cancelRequest()
+{
+    QSet<PluginLLMCore::Provider *> providers;
+    for (auto it = m_activeRequests.begin(); it != m_activeRequests.end(); ++it) {
+        if (it.value().provider) {
+            providers.insert(it.value().provider);
+        }
+    }
+
+    for (auto *provider : providers) {
+        disconnect(provider->client(), nullptr, this, nullptr);
+    }
+
+    for (auto it = m_activeRequests.begin(); it != m_activeRequests.end(); ++it) {
+        const RequestContext &ctx = it.value();
+        if (ctx.provider) {
+            ctx.provider->cancelRequest(it.key());
+        }
+    }
+
+    m_activeRequests.clear();
+    m_accumulatedResponses.clear();
+    m_awaitingContinuation.clear();
+
+    LOG_MESSAGE("All requests cancelled and state cleared");
+}
+
+void ClientInterface::handleLLMResponse(const QString &response, const QJsonObject &request)
+{
+    const auto message = response.trimmed();
+
+    if (!message.isEmpty()) {
+        QString messageId = request["id"].toString();
+        m_chatModel->addMessage(message, ChatModel::ChatRole::Assistant, messageId);
+    }
+}
+
+QString ClientInterface::getCurrentFileContext() const
+{
+    auto currentEditor = Core::EditorManager::currentEditor();
+    if (!currentEditor) {
+        LOG_MESSAGE("No active editor found");
+        return QString();
+    }
+
+    auto textDocument = qobject_cast<TextEditor::TextDocument *>(currentEditor->document());
+    if (!textDocument) {
+        LOG_MESSAGE("Current document is not a text document");
+        return QString();
+    }
+
+    QString fileInfo = QString("Language: %1\nFile: %2\n\n")
+                           .arg(textDocument->mimeType(), textDocument->filePath().toFSPathString());
+
+    QString content = textDocument->document()->toPlainText();
+
+    LOG_MESSAGE(QString("Got context from file: %1").arg(textDocument->filePath().toFSPathString()));
+
+    return QString("Current file context:\n%1\nFile content:\n%2").arg(fileInfo, content);
+}
+
+QString ClientInterface::getSystemPromptWithLinkedFiles(
+    const QString &basePrompt, const QList<QString> &linkedFiles) const
+{
+    QString updatedPrompt = basePrompt;
+
+    if (!linkedFiles.isEmpty()) {
+        updatedPrompt += "\n\nLinked files for reference:\n";
+
+        auto contentFiles = m_contextManager->getContentFiles(linkedFiles);
+        for (const auto &file : contentFiles) {
+            updatedPrompt += QString("\nFile: %1\nContent:\n%2\n").arg(file.filename, file.content);
+        }
+    }
+
+    return updatedPrompt;
+}
+
+Context::ContextManager *ClientInterface::contextManager() const
+{
+    return m_contextManager;
+}
+
+void ClientInterface::handlePartialResponse(const QString &requestId, const QString &partialText)
+{
+    auto it = m_activeRequests.find(requestId);
+    if (it == m_activeRequests.end())
+        return;
+
+    if (m_awaitingContinuation.remove(requestId)) {
+        m_accumulatedResponses[requestId].clear();
+        LOG_MESSAGE(
+            QString("Cleared accumulated responses for continuation request %1").arg(requestId));
+    }
+
+    m_accumulatedResponses[requestId] += partialText;
+
+    const RequestContext &ctx = it.value();
+    handleLLMResponse(m_accumulatedResponses[requestId], ctx.originalRequest);
+}
+
+void ClientInterface::handleFullResponse(const QString &requestId, const QString &fullText)
+{
+    auto it = m_activeRequests.find(requestId);
+    if (it == m_activeRequests.end())
+        return;
+
+    const RequestContext &ctx = it.value();
+
+    QString finalText = !fullText.isEmpty() ? fullText : m_accumulatedResponses[requestId];
+
+    QString applyError;
+    bool applySuccess
+        = Context::ChangesManager::instance().applyPendingEditsForRequest(requestId, &applyError);
+
+    if (!applySuccess) {
+        LOG_MESSAGE(QString("Some edits for request %1 were not auto-applied: %2")
+                        .arg(requestId, applyError));
+    }
+
+    LOG_MESSAGE(
+        "Message completed. Final response for message " + ctx.originalRequest["id"].toString()
+        + ": " + finalText);
+    emit messageReceivedCompletely();
+
+    m_activeRequests.erase(it);
+    m_accumulatedResponses.remove(requestId);
+    m_awaitingContinuation.remove(requestId);
+}
+
+void ClientInterface::handleRequestFailed(const QString &requestId, const QString &error)
+{
+    auto it = m_activeRequests.find(requestId);
+    if (it == m_activeRequests.end())
+        return;
+
+    LOG_MESSAGE(QString("Chat request %1 failed: %2").arg(requestId, error));
+    emit errorOccurred(error);
+
+    m_activeRequests.erase(it);
+    m_accumulatedResponses.remove(requestId);
+    m_awaitingContinuation.remove(requestId);
+}
+
+void ClientInterface::handleThinkingBlockReceived(
+    const QString &requestId, const QString &thinking, const QString &signature)
+{
+    if (!m_activeRequests.contains(requestId)) {
+        LOG_MESSAGE(QString("Ignoring thinking block for non-chat request: %1").arg(requestId));
+        return;
+    }
+
+    if (m_awaitingContinuation.remove(requestId)) {
+        m_accumulatedResponses[requestId].clear();
+        LOG_MESSAGE(
+            QString("Cleared accumulated responses for continuation request %1").arg(requestId));
+    }
+
+    if (thinking.isEmpty()) {
+        m_chatModel->addRedactedThinkingBlock(requestId, signature);
+    } else {
+        m_chatModel->addThinkingBlock(requestId, thinking, signature);
+    }
+}
+
+void ClientInterface::handleToolExecutionStarted(
+    const QString &requestId, const QString &toolId, const QString &toolName)
+{
+    if (!m_activeRequests.contains(requestId)) {
+        LOG_MESSAGE(QString("Ignoring tool execution start for non-chat request: %1").arg(requestId));
+        return;
+    }
+
+    m_chatModel->addToolExecutionStatus(requestId, toolId, toolName);
+    m_awaitingContinuation.insert(requestId);
+}
+
+void ClientInterface::handleToolExecutionCompleted(
+    const QString &requestId,
+    const QString &toolId,
+    const QString &toolName,
+    const QString &toolOutput)
+{
+    if (!m_activeRequests.contains(requestId)) {
+        LOG_MESSAGE(QString("Ignoring tool execution result for non-chat request: %1").arg(requestId));
+        return;
+    }
+
+    m_chatModel->updateToolResult(requestId, toolId, toolName, toolOutput);
+}
+
+bool ClientInterface::isImageFile(const QString &filePath) const
+{
+    static const QSet<QString> imageExtensions = {"png", "jpg", "jpeg", "gif", "webp", "bmp", "svg"};
+
+    QFileInfo fileInfo(filePath);
+    QString extension = fileInfo.suffix().toLower();
+
+    return imageExtensions.contains(extension);
+}
+
+QString ClientInterface::getMediaTypeForImage(const QString &filePath) const
+{
+    static const QHash<QString, QString> mediaTypes
+        = {{"png", "image/png"},
+           {"jpg", "image/jpeg"},
+           {"jpeg", "image/jpeg"},
+           {"gif", "image/gif"},
+           {"webp", "image/webp"},
+           {"bmp", "image/bmp"},
+           {"svg", "image/svg+xml"}};
+
+    QFileInfo fileInfo(filePath);
+    QString extension = fileInfo.suffix().toLower();
+
+    if (mediaTypes.contains(extension)) {
+        return mediaTypes[extension];
+    }
+
+    QMimeDatabase mimeDb;
+    QMimeType mimeType = mimeDb.mimeTypeForFile(filePath);
+    return mimeType.name();
+}
+
+QString ClientInterface::encodeImageToBase64(const QString &filePath) const
+{
+    QFile file(filePath);
+    if (!file.open(QIODevice::ReadOnly)) {
+        LOG_MESSAGE(QString("Failed to open image file: %1").arg(filePath));
+        return QString();
+    }
+
+    QByteArray imageData = file.readAll();
+    file.close();
+
+    return imageData.toBase64();
+}
+
+QVector<PluginLLMCore::ImageAttachment> ClientInterface::loadImagesFromStorage(
+    const QList<ChatModel::ImageAttachment> &storedImages) const
+{
+    QVector<PluginLLMCore::ImageAttachment> apiImages;
+
+    for (const auto &storedImage : storedImages) {
+        QString base64Data
+            = ChatSerializer::loadContentFromStorage(m_chatFilePath, storedImage.storedPath);
+        if (base64Data.isEmpty()) {
+            LOG_MESSAGE(QString("Warning: Failed to load image: %1").arg(storedImage.storedPath));
+            continue;
+        }
+
+        PluginLLMCore::ImageAttachment apiImage;
+        apiImage.data = base64Data;
+        apiImage.mediaType = storedImage.mediaType;
+        apiImage.isUrl = false;
+
+        apiImages.append(apiImage);
+    }
+
+    return apiImages;
+}
+
+void ClientInterface::setChatFilePath(const QString &filePath)
+{
+    if (!m_chatFilePath.isEmpty() && m_chatFilePath != filePath) {
+        const auto providerName = Settings::generalSettings().caProvider();
+        auto *provider = PluginLLMCore::ProvidersManager::instance().getProviderByName(providerName);
+
+        if (provider
+            && provider->capabilities().testFlag(PluginLLMCore::ProviderCapability::Tools)
+            && provider->toolsManager()) {
+            if (auto *todoTool = qobject_cast<QodeAssist::Tools::TodoTool *>(
+                    provider->toolsManager()->tool("todo_tool"))) {
+                todoTool->clearSession(m_chatFilePath);
+            }
+        }
+    }
+
+    m_chatFilePath = filePath;
+    m_chatModel->setChatFilePath(filePath);
+}
+
+QString ClientInterface::chatFilePath() const
+{
+    return m_chatFilePath;
+}
+
+} // namespace QodeAssist::Chat

ChatView/ClientInterface.hpp

@@ -0,0 +1,86 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QObject>
+#include <QSet>
+#include <QString>
+#include <QVector>
+
+#include "ChatModel.hpp"
+#include "Provider.hpp"
+#include "pluginllmcore/IPromptProvider.hpp"
+#include <context/ContextManager.hpp>
+
+namespace QodeAssist::Chat {
+
+class ClientInterface : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit ClientInterface(
+        ChatModel *chatModel, PluginLLMCore::IPromptProvider *promptProvider, QObject *parent = nullptr);
+    ~ClientInterface();
+
+    void sendMessage(
+        const QString &message,
+        const QList<QString> &attachments = {},
+        const QList<QString> &linkedFiles = {},
+        bool useTools = false,
+        bool useThinking = false);
+    void clearMessages();
+    void cancelRequest();
+
+    Context::ContextManager *contextManager() const;
+    
+    void setChatFilePath(const QString &filePath);
+    QString chatFilePath() const;
+
+signals:
+    void errorOccurred(const QString &error);
+    void messageReceivedCompletely();
+    void requestStarted(const QString &requestId);
+
+private slots:
+    void handlePartialResponse(const QString &requestId, const QString &partialText);
+    void handleFullResponse(const QString &requestId, const QString &fullText);
+    void handleRequestFailed(const QString &requestId, const QString &error);
+    void handleThinkingBlockReceived(
+        const QString &requestId, const QString &thinking, const QString &signature);
+    void handleToolExecutionStarted(
+        const QString &requestId, const QString &toolId, const QString &toolName);
+    void handleToolExecutionCompleted(
+        const QString &requestId,
+        const QString &toolId,
+        const QString &toolName,
+        const QString &toolOutput);
+
+private:
+    void handleLLMResponse(const QString &response, const QJsonObject &request);
+    QString getCurrentFileContext() const;
+    QString getSystemPromptWithLinkedFiles(
+        const QString &basePrompt, const QList<QString> &linkedFiles) const;
+    bool isImageFile(const QString &filePath) const;
+    QString getMediaTypeForImage(const QString &filePath) const;
+    QString encodeImageToBase64(const QString &filePath) const;
+    QVector<PluginLLMCore::ImageAttachment> loadImagesFromStorage(const QList<ChatModel::ImageAttachment> &storedImages) const;
+
+    struct RequestContext
+    {
+        QJsonObject originalRequest;
+        PluginLLMCore::Provider *provider;
+    };
+
+    PluginLLMCore::IPromptProvider *m_promptProvider = nullptr;
+    ChatModel *m_chatModel;
+    Context::ContextManager *m_contextManager;
+    QString m_chatFilePath;
+
+    QHash<QString, RequestContext> m_activeRequests;
+    QHash<QString, QString> m_accumulatedResponses;
+    QSet<QString> m_awaitingContinuation;
+};
+
+} // namespace QodeAssist::Chat

ChatView/FileItem.cpp

@@ -0,0 +1,60 @@
+// Copyright (C) 2025-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "FileItem.hpp"
+
+#include <QDesktopServices>
+#include <QUrl>
+
+#include <coreplugin/editormanager/editormanager.h>
+#include <logger/Logger.hpp>
+#include <utils/filepath.h>
+
+namespace QodeAssist::Chat {
+
+FileItem::FileItem(QQuickItem *parent)
+    : QQuickItem(parent)
+{}
+
+void FileItem::openFileInEditor()
+{
+    if (m_filePath.isEmpty()) {
+        return;
+    }
+
+    Utils::FilePath filePathObj = Utils::FilePath::fromString(m_filePath);
+    Core::IEditor *editor = Core::EditorManager::openEditor(filePathObj);
+
+    if (!editor) {
+        LOG_MESSAGE(QString("Failed to open file in editor: %1").arg(m_filePath));
+    }
+}
+
+void FileItem::openFileInExternalEditor()
+{
+    if (m_filePath.isEmpty()) {
+        return;
+    }
+
+    bool success = QDesktopServices::openUrl(QUrl::fromLocalFile(m_filePath));
+    if (success) {
+        LOG_MESSAGE(QString("Opened file in external application: %1").arg(m_filePath));
+    } else {
+        LOG_MESSAGE(QString("Failed to open file externally: %1").arg(m_filePath));
+    }
+}
+
+QString FileItem::filePath() const
+{
+    return m_filePath;
+}
+
+void FileItem::setFilePath(const QString &newFilePath)
+{
+    if (m_filePath == newFilePath)
+        return;
+    m_filePath = newFilePath;
+    emit filePathChanged();
+}
+
+} // namespace QodeAssist::Chat

ChatView/FileItem.hpp

@@ -0,0 +1,32 @@
+// Copyright (C) 2025-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QQuickItem>
+
+namespace QodeAssist::Chat {
+
+class FileItem: public QQuickItem
+{
+    Q_OBJECT
+    QML_NAMED_ELEMENT(FileItem)
+
+    Q_PROPERTY(QString filePath READ filePath WRITE setFilePath NOTIFY filePathChanged)
+
+public:
+    FileItem(QQuickItem *parent = nullptr);
+
+    Q_INVOKABLE void openFileInEditor();
+    Q_INVOKABLE void openFileInExternalEditor();
+
+    QString filePath() const;
+    void setFilePath(const QString &newFilePath);
+
+signals:
+    void filePathChanged();
+
+private:
+    QString m_filePath;
+};
+}

ChatView/FileMentionItem.cpp

@@ -0,0 +1,426 @@
+// Copyright (C) 2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "FileMentionItem.hpp"
+
+#include <QDir>
+#include <QFile>
+#include <QFileInfo>
+#include <QTextStream>
+
+#include <coreplugin/editormanager/documentmodel.h>
+#include <coreplugin/editormanager/editormanager.h>
+#include <projectexplorer/project.h>
+#include <projectexplorer/projectmanager.h>
+
+namespace QodeAssist::Chat {
+
+FileMentionItem::FileMentionItem(QQuickItem *parent)
+    : QQuickItem(parent)
+{}
+
+QVariantList FileMentionItem::searchResults() const
+{
+    return m_searchResults;
+}
+
+int FileMentionItem::currentIndex() const
+{
+    return m_currentIndex;
+}
+
+void FileMentionItem::setCurrentIndex(int index)
+{
+    if (m_currentIndex == index)
+        return;
+    m_currentIndex = index;
+    emit currentIndexChanged();
+}
+
+void FileMentionItem::updateSearch(const QString &query)
+{
+    m_lastQuery = query;
+
+    QVariantList openFiles = getOpenFiles(query);
+    QVariantList projectResults = searchProjectFiles(query);
+
+    QSet<QString> openPaths;
+    for (const QVariant &item : std::as_const(openFiles)) {
+        const QVariantMap map = item.toMap();
+        openPaths.insert(map.value("absolutePath").toString());
+    }
+
+    QVariantList combined = openFiles;
+    for (const QVariant &item : std::as_const(projectResults)) {
+        const QVariantMap map = item.toMap();
+        if (!map.value("isProject").toBool()
+            && openPaths.contains(map.value("absolutePath").toString()))
+            continue;
+        combined.append(item);
+    }
+
+    m_searchResults = combined;
+    m_currentIndex = 0;
+    emit searchResultsChanged();
+    emit currentIndexChanged();
+}
+
+void FileMentionItem::refreshSearch()
+{
+    if (!m_lastQuery.isNull())
+        updateSearch(m_lastQuery);
+}
+
+void FileMentionItem::moveUp()
+{
+    if (m_currentIndex > 0) {
+        m_currentIndex--;
+        emit currentIndexChanged();
+    }
+}
+
+void FileMentionItem::moveDown()
+{
+    if (m_currentIndex < m_searchResults.size() - 1) {
+        m_currentIndex++;
+        emit currentIndexChanged();
+    }
+}
+
+void FileMentionItem::selectCurrent()
+{
+    if (m_currentIndex < 0 || m_currentIndex >= m_searchResults.size())
+        return;
+
+    const QVariantMap item = m_searchResults[m_currentIndex].toMap();
+    if (item.value("isProject").toBool()) {
+        emit projectSelected(item.value("projectName").toString());
+    } else {
+        emit fileSelected(
+            item.value("absolutePath").toString(),
+            item.value("relativePath").toString(),
+            item.value("projectName").toString());
+    }
+}
+
+void FileMentionItem::dismiss()
+{
+    m_searchResults.clear();
+    m_currentIndex = 0;
+    emit searchResultsChanged();
+    emit currentIndexChanged();
+    emit dismissed();
+}
+
+QVariantMap FileMentionItem::applyCurrentSelection(
+    const QString &text, int cursorPosition, bool useTools)
+{
+    if (m_currentIndex < 0 || m_currentIndex >= m_searchResults.size()) {
+        dismiss();
+        return {};
+    }
+
+    const QString textBefore = text.left(cursorPosition);
+    const int atIndex = textBefore.lastIndexOf('@');
+    if (atIndex < 0) {
+        dismiss();
+        return {};
+    }
+
+    const QVariantMap item = m_searchResults[m_currentIndex].toMap();
+    QString replacement;
+
+    if (item.value("isProject").toBool()) {
+        replacement = QStringLiteral("@") + item.value("projectName").toString() + ":";
+    } else {
+        const QString currentQuery = textBefore.mid(atIndex + 1);
+        const QVariantMap result = handleFileSelection(
+            item.value("absolutePath").toString(),
+            item.value("relativePath").toString(),
+            item.value("projectName").toString(),
+            currentQuery,
+            useTools);
+
+        if (result.value("mode").toString() == "mention")
+            replacement = result.value("mentionText").toString();
+    }
+
+    const QString newText = text.left(atIndex) + replacement + text.mid(cursorPosition);
+    const int newCursorPosition = atIndex + replacement.length();
+
+    dismiss();
+
+    return {{"text", newText}, {"cursorPosition", newCursorPosition}};
+}
+
+QVariantMap FileMentionItem::handleFileSelection(
+    const QString &absolutePath,
+    const QString &relativePath,
+    const QString &projectName,
+    const QString &currentQuery,
+    bool useTools)
+{
+    QVariantMap result;
+    const QString fileName = relativePath.section('/', -1);
+
+    QString mentionKey = fileName;
+    const int colonIdx = currentQuery.indexOf(':');
+    if (colonIdx > 0) {
+        const QString projPrefix = currentQuery.left(colonIdx);
+        if (projPrefix.compare(projectName, Qt::CaseInsensitive) == 0)
+            mentionKey = projPrefix + ":" + fileName;
+    }
+
+    if (useTools) {
+        registerMention(mentionKey, absolutePath);
+        result["mode"] = QStringLiteral("mention");
+        result["mentionText"] = "@" + mentionKey + " ";
+    } else {
+        emit fileAttachRequested({absolutePath});
+        result["mode"] = QStringLiteral("attach");
+    }
+
+    return result;
+}
+
+void FileMentionItem::registerMention(const QString &mentionKey, const QString &absolutePath)
+{
+    m_atMentionMap[mentionKey] = absolutePath;
+}
+
+void FileMentionItem::clearMentions()
+{
+    m_atMentionMap.clear();
+}
+
+QString FileMentionItem::expandMentions(const QString &text)
+{
+    QString result = text;
+
+    for (auto it = m_atMentionMap.constBegin(); it != m_atMentionMap.constEnd(); ++it) {
+        const QString &mentionKey = it.key();
+        const QString &absPath = it.value();
+        const QString displayName = mentionKey.section(':', -1);
+        const QString escaped = QRegularExpression::escape(mentionKey);
+
+        // @key:N-M -> hyperlink + inline code block
+        const QRegularExpression rangeRe("@" + escaped + ":(\\d+)-(\\d+)(?=\\s|$)");
+        QRegularExpressionMatchIterator matchIt = rangeRe.globalMatch(result);
+        QList<QRegularExpressionMatch> matches;
+        while (matchIt.hasNext())
+            matches.append(matchIt.next());
+
+        for (int i = matches.size() - 1; i >= 0; --i) {
+            const auto &m = matches[i];
+            const int startLine = m.captured(1).toInt();
+            const int endLine = m.captured(2).toInt();
+            const QString ext = fileExtension(absPath);
+            const QString snippet = readFileLines(absPath, startLine, endLine);
+            const QString replacement
+                = QString("[@%1:%2-%3](file://%4)\n```%5\n%6```")
+                      .arg(displayName)
+                      .arg(startLine)
+                      .arg(endLine)
+                      .arg(absPath, ext, snippet);
+            result.replace(m.capturedStart(), m.capturedLength(), replacement);
+        }
+
+        // @key -> hyperlink only
+        const QRegularExpression simpleRe("@" + escaped + "(?=\\s|$)");
+        result.replace(simpleRe, QString("[@%1](file://%2)").arg(displayName, absPath));
+    }
+    return result;
+}
+
+QVariantList FileMentionItem::searchProjectFiles(const QString &query)
+{
+    QVariantList results;
+
+    struct FileResult
+    {
+        QString absolutePath;
+        QString relativePath;
+        QString projectName;
+        int priority;
+    };
+
+    const auto allProjects = ProjectExplorer::ProjectManager::projects();
+
+    QString projectFilter;
+    QString fileQuery = query;
+    const int colonIdx = query.indexOf(':');
+    if (colonIdx > 0) {
+        const QString prefix = query.left(colonIdx);
+        for (auto project : allProjects) {
+            if (project && project->displayName().compare(prefix, Qt::CaseInsensitive) == 0) {
+                projectFilter = project->displayName();
+                fileQuery = query.mid(colonIdx + 1);
+                break;
+            }
+        }
+    }
+
+    if (projectFilter.isEmpty() && colonIdx < 0) {
+        const QString lowerQ = query.toLower();
+        for (auto project : allProjects) {
+            if (!project)
+                continue;
+            const QString name = project->displayName();
+            if (query.isEmpty() || name.toLower().startsWith(lowerQ)) {
+                QVariantMap item;
+                item["absolutePath"] = QString();
+                item["relativePath"] = name;
+                item["projectName"] = name;
+                item["isProject"] = true;
+                results.append(item);
+            }
+        }
+    }
+
+    QList<FileResult> candidates;
+    const QString lowerFileQuery = fileQuery.toLower();
+    const bool emptyFileQuery = fileQuery.isEmpty();
+
+    for (auto project : allProjects) {
+        if (!project)
+            continue;
+        if (!projectFilter.isEmpty() && project->displayName() != projectFilter)
+            continue;
+
+        const auto projectFiles = project->files(ProjectExplorer::Project::SourceFiles);
+        const QString projectDir = project->projectDirectory().path();
+        const QString projectName = project->displayName();
+
+        for (const auto &filePath : projectFiles) {
+            const QString absolutePath = filePath.path();
+            const QFileInfo fileInfo(absolutePath);
+            const QString fileName = fileInfo.fileName();
+            const QString relativePath = QDir(projectDir).relativeFilePath(absolutePath);
+            const QString lowerFileName = fileName.toLower();
+            const QString lowerRelativePath = relativePath.toLower();
+
+            int priority = -1;
+            if (emptyFileQuery) {
+                priority = 3;
+            } else if (lowerFileName == lowerFileQuery) {
+                priority = 0;
+            } else if (lowerFileName.startsWith(lowerFileQuery)) {
+                priority = 1;
+            } else if (lowerFileName.contains(lowerFileQuery)) {
+                priority = 2;
+            } else if (lowerRelativePath.contains(lowerFileQuery)) {
+                priority = 3;
+            }
+
+            if (priority >= 0)
+                candidates.append({absolutePath, relativePath, projectName, priority});
+        }
+    }
+
+    std::sort(candidates.begin(), candidates.end(), [](const FileResult &a, const FileResult &b) {
+        if (a.priority != b.priority)
+            return a.priority < b.priority;
+        return a.relativePath < b.relativePath;
+    });
+
+    const int maxFiles = qMax(0, 10 - results.size());
+    const int count = qMin(candidates.size(), maxFiles);
+    for (int i = 0; i < count; i++) {
+        QVariantMap item;
+        item["absolutePath"] = candidates[i].absolutePath;
+        item["relativePath"] = candidates[i].relativePath;
+        item["projectName"] = candidates[i].projectName;
+        item["isProject"] = false;
+        results.append(item);
+    }
+
+    return results;
+}
+
+QVariantList FileMentionItem::getOpenFiles(const QString &query)
+{
+    QVariantList results;
+    const QString lowerQuery = query.toLower();
+    const bool emptyQuery = query.isEmpty();
+    QSet<QString> addedPaths;
+
+    auto tryAddDocument = [&](Core::IDocument *document) {
+        if (!document)
+            return;
+
+        const QString absolutePath = document->filePath().toFSPathString();
+        if (absolutePath.isEmpty() || addedPaths.contains(absolutePath))
+            return;
+
+        const QFileInfo fileInfo(absolutePath);
+        const QString fileName = fileInfo.fileName();
+        if (fileName.isEmpty())
+            return;
+
+        QString relativePath = absolutePath;
+        QString projectName;
+
+        auto project = ProjectExplorer::ProjectManager::projectForFile(document->filePath());
+        if (project) {
+            projectName = project->displayName();
+            relativePath = QDir(project->projectDirectory().path()).relativeFilePath(absolutePath);
+        }
+
+        if (!emptyQuery) {
+            const QString lowerFileName = fileName.toLower();
+            const QString lowerRelativePath = relativePath.toLower();
+            if (!lowerFileName.contains(lowerQuery) && !lowerRelativePath.contains(lowerQuery))
+                return;
+        }
+
+        addedPaths.insert(absolutePath);
+
+        QVariantMap item;
+        item["absolutePath"] = absolutePath;
+        item["relativePath"] = relativePath;
+        item["projectName"] = projectName;
+        item["isProject"] = false;
+        item["isOpen"] = true;
+        results.append(item);
+    };
+
+    if (auto current = Core::EditorManager::currentEditor())
+        tryAddDocument(current->document());
+
+    for (auto editor : Core::EditorManager::visibleEditors())
+        if (editor)
+            tryAddDocument(editor->document());
+
+    for (auto document : Core::DocumentModel::openedDocuments())
+        tryAddDocument(document);
+
+    return results;
+}
+
+QString FileMentionItem::readFileLines(const QString &filePath, int startLine, int endLine)
+{
+    QFile file(filePath);
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
+        return {};
+
+    QTextStream stream(&file);
+    QString result;
+    int lineNum = 1;
+    while (!stream.atEnd()) {
+        const QString line = stream.readLine();
+        if (lineNum >= startLine)
+            result += line + '\n';
+        if (lineNum >= endLine)
+            break;
+        ++lineNum;
+    }
+    return result;
+}
+
+QString FileMentionItem::fileExtension(const QString &filePath)
+{
+    const int dot = filePath.lastIndexOf('.');
+    return dot >= 0 ? filePath.mid(dot + 1) : QString();
+}
+
+} // namespace QodeAssist::Chat

ChatView/FileMentionItem.hpp

@@ -0,0 +1,70 @@
+// Copyright (C) 2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QHash>
+#include <QQuickItem>
+#include <QRegularExpression>
+#include <QVariantList>
+
+namespace QodeAssist::Chat {
+
+class FileMentionItem : public QQuickItem
+{
+    Q_OBJECT
+    Q_PROPERTY(QVariantList searchResults READ searchResults NOTIFY searchResultsChanged FINAL)
+    Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentIndexChanged FINAL)
+
+    QML_ELEMENT
+public:
+    explicit FileMentionItem(QQuickItem *parent = nullptr);
+
+    QVariantList searchResults() const;
+    int currentIndex() const;
+    void setCurrentIndex(int index);
+
+    Q_INVOKABLE void updateSearch(const QString &query);
+    Q_INVOKABLE void refreshSearch();
+    Q_INVOKABLE void moveUp();
+    Q_INVOKABLE void moveDown();
+    Q_INVOKABLE void selectCurrent();
+    Q_INVOKABLE void dismiss();
+
+    Q_INVOKABLE QVariantMap handleFileSelection(
+        const QString &absolutePath,
+        const QString &relativePath,
+        const QString &projectName,
+        const QString &currentQuery,
+        bool useTools);
+
+    Q_INVOKABLE QVariantMap applyCurrentSelection(
+        const QString &text, int cursorPosition, bool useTools);
+
+    Q_INVOKABLE void registerMention(const QString &mentionKey, const QString &absolutePath);
+    Q_INVOKABLE void clearMentions();
+    Q_INVOKABLE QString expandMentions(const QString &text);
+
+signals:
+    void searchResultsChanged();
+    void currentIndexChanged();
+    void fileSelected(const QString &absolutePath,
+                      const QString &relativePath,
+                      const QString &projectName);
+    void projectSelected(const QString &projectName);
+    void dismissed();
+    void fileAttachRequested(const QStringList &filePaths);
+
+private:
+    QVariantList searchProjectFiles(const QString &query);
+    QVariantList getOpenFiles(const QString &query);
+    QString readFileLines(const QString &filePath, int startLine, int endLine);
+    static QString fileExtension(const QString &filePath);
+
+    QVariantList m_searchResults;
+    int m_currentIndex = 0;
+    QString m_lastQuery;
+    QHash<QString, QString> m_atMentionMap;
+};
+
+} // namespace QodeAssist::Chat

ChatView/MessagePart.hpp

@@ -0,0 +1,30 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QObject>
+#include <QtQmlIntegration>
+
+#include "ChatData.hpp"
+
+namespace QodeAssist::Chat {
+
+class MessagePart
+{
+    Q_GADGET
+    Q_PROPERTY(MessagePartType type MEMBER type CONSTANT FINAL)
+    Q_PROPERTY(QString text MEMBER text CONSTANT FINAL)
+    Q_PROPERTY(QString language MEMBER language CONSTANT FINAL)
+    Q_PROPERTY(QString imageData MEMBER imageData CONSTANT FINAL)
+    Q_PROPERTY(QString mediaType MEMBER mediaType CONSTANT FINAL)
+    QML_VALUE_TYPE(messagePart)
+public:
+    MessagePartType type;
+    QString text;
+    QString language;
+    QString imageData;    // Base64 data or URL
+    QString mediaType;    // e.g., "image/png", "image/jpeg"
+};
+
+} // namespace QodeAssist::Chat

ChatView/icons/apply-changes-button.svg

@@ -0,0 +1,15 @@
+<svg width="44" height="44" viewBox="0 0 44 44" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g clip-path="url(#clip0_74_61)">
+<mask id="mask0_74_61" style="mask-type:luminance" maskUnits="userSpaceOnUse" x="0" y="0" width="44" height="44">
+<path d="M44 0H0V44H44V0Z" fill="white"/>
+</mask>
+<g mask="url(#mask0_74_61)">
+<path d="M8 22L18 32L36 12" stroke="black" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/>
+</g>
+</g>
+<defs>
+<clipPath id="clip0_74_61">
+<rect width="44" height="44" fill="white"/>
+</clipPath>
+</defs>
+</svg>

ChatView/icons/attach-file-dark.svg

@@ -0,0 +1,11 @@
+<svg width="24" height="48" viewBox="0 0 24 48" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g clip-path="url(#clip0_37_14)">
+<path d="M22 10.1053V36.7368C22 41.8547 17.525 46 12 46C6.475 46 2 41.8547 2 36.7368V7.78947C2 4.59368 4.8 2 8.25 2C11.7 2 15.75 4.59368 15.75 7.78947V35.5789C15.75 36.8526 13.375 39.0526 12 39.0526C10.625 39.0526 8.25 36.8526 8.25 35.5789V21.6842V8.94737" stroke="black" stroke-width="3" stroke-linecap="round"/>
+<path d="M22 10.1053V36.7368C22 41.8547 17.525 46 12 46C6.475 46 2 41.8547 2 36.7368V7.78947C2 4.59368 4.8 2 8.25 2C11.7 2 15.75 4.59368 15.75 7.78947V35.5789C15.75 36.8526 13.375 39.0526 12 39.0526C10.625 39.0526 8.25 36.8526 8.25 35.5789V21.6842V8.94737" stroke="black" stroke-width="3" stroke-linecap="round"/>
+</g>
+<defs>
+<clipPath id="clip0_37_14">
+<rect width="24" height="48" fill="white"/>
+</clipPath>
+</defs>
+</svg>

ChatView/icons/attach-file-light.svg

@@ -0,0 +1,11 @@
+<svg width="24" height="48" viewBox="0 0 24 48" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g clip-path="url(#clip0_51_20)">
+<path d="M22 10.1053V36.7368C22 41.8547 17.525 46 12 46C6.475 46 2 41.8547 2 36.7368V7.78947C2 4.59368 4.8 2 8.25 2C11.7 2 15.75 4.59368 15.75 7.78947V35.5789C15.75 36.8526 13.375 39.0526 12 39.0526C10.625 39.0526 8.25 36.8526 8.25 35.5789V21.6842V8.94737" stroke="white" stroke-width="3" stroke-linecap="round"/>
+<path d="M22 10.1053V36.7368C22 41.8547 17.525 46 12 46C6.475 46 2 41.8547 2 36.7368V7.78947C2 4.59368 4.8 2 8.25 2C11.7 2 15.75 4.59368 15.75 7.78947V35.5789C15.75 36.8526 13.375 39.0526 12 39.0526C10.625 39.0526 8.25 36.8526 8.25 35.5789V21.6842V8.94737" stroke="white" stroke-width="3" stroke-linecap="round"/>
+</g>
+<defs>
+<clipPath id="clip0_51_20">
+<rect width="24" height="48" fill="white"/>
+</clipPath>
+</defs>
+</svg>

ChatView/icons/chat-icon.svg

@@ -0,0 +1,10 @@
+<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g clip-path="url(#clip0_5_6)">
+<path d="M21.6 0H2.4C1.08 0 0 1.08 0 2.4V16.8C0 18.12 1.08 19.2 2.4 19.2H7.2V22.8C7.2 23.46 7.74 24 8.4 24H9C9.3 24 9.6 23.88 9.84 23.652L14.28 19.2H21.6C22.92 19.2 24 18.12 24 16.8V2.4C24 1.08 22.92 0 21.6 0ZM21.6 16.8H13.44L8.76 21.48L8.4 21.6V16.8H2.4V2.4H21.6V16.8Z" fill="black"/>
+</g>
+<defs>
+<clipPath id="clip0_5_6">
+<rect width="24" height="24" fill="white"/>
+</clipPath>
+</defs>
+</svg>

ChatView/icons/chat-pause-icon.svg

@@ -0,0 +1,10 @@
+<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g clip-path="url(#clip0_5_17)">
+<path d="M21.6 0H2.4C1.08 0 0 1.08 0 2.4V16.8C0 18.12 1.08 19.2 2.4 19.2H7.2V22.8C7.2 23.46 7.74 24 8.4 24H9C9.3 24 9.6 23.88 9.84 23.652L14.28 19.2H21.6C22.92 19.2 24 18.12 24 16.8V2.4C24 1.08 22.92 0 21.6 0ZM21.6 16.8H13.44L8.76 21.48L8.4 21.6V16.8H2.4V2.4H21.6V16.8ZM8.4 6H15.6V13.2H8.4V6Z" fill="black"/>
+</g>
+<defs>
+<clipPath id="clip0_5_17">
+<rect width="24" height="24" fill="white"/>
+</clipPath>
+</defs>
+</svg>

ChatView/icons/clean-icon-dark.svg

@@ -0,0 +1,8 @@
+<svg width="20" height="44" viewBox="0 0 20 44" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M16.75 15H3.25C2.00736 15 1 16.0074 1 17.25V39.75C1 40.9926 2.00736 42 3.25 42H16.75C17.9926 42 19 40.9926 19 39.75V17.25C19 16.0074 17.9926 15 16.75 15Z" stroke="black" stroke-width="2"/>
+<path d="M1.04316 11.015L18.9554 8.90787" stroke="black" stroke-width="2" stroke-linecap="round"/>
+<path d="M7.19462 10.363L7.02032 8.59516C6.92446 7.62284 8.18688 6.64116 9.8257 6.41365C11.4645 6.18615 12.8838 6.79555 12.9797 7.76787L13.154 9.53573" stroke="black" stroke-width="2"/>
+<path d="M6 24V34" stroke="black" stroke-width="1.5" stroke-linecap="round"/>
+<path d="M10 24V34" stroke="black" stroke-width="1.5" stroke-linecap="round"/>
+<path d="M14 24V34" stroke="black" stroke-width="1.5" stroke-linecap="round"/>
+</svg>

ChatView/icons/close-dark.svg

@@ -0,0 +1,10 @@
+<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g clip-path="url(#clip0_41_14)">
+<path d="M0 0L24 24M0 24L24 0" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+</g>
+<defs>
+<clipPath id="clip0_41_14">
+<rect width="24" height="24" fill="white"/>
+</clipPath>
+</defs>
+</svg>

ChatView/icons/close-light.svg

@@ -0,0 +1,10 @@
+<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g clip-path="url(#clip0_41_14)">
+<path d="M0 0L24 24M0 24L24 0" stroke="white" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+</g>
+<defs>
+<clipPath id="clip0_41_14">
+<rect width="24" height="24" fill="white"/>
+</clipPath>
+</defs>
+</svg>

ChatView/icons/compress-icon.svg

@@ -0,0 +1,10 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+  <!-- Archive/compress icon: downward arrows pointing to center with horizontal lines -->
+  <line x1="12" y1="3" x2="12" y2="10" />
+  <polyline points="9 7 12 10 15 7" />
+  
+  <line x1="12" y1="21" x2="12" y2="14" />
+  <polyline points="9 17 12 14 15 17" />
+  
+  <line x1="4" y1="12" x2="20" y2="12" stroke-width="3" />
+</svg>

ChatView/icons/context-icon.svg

@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor">
+  <path d="M3 5h18v2H3V5zm0 6h18v2H3v-2zm0 6h12v2H3v-2z"/>
+  <circle cx="19" cy="17" r="3" fill="none" stroke="currentColor" stroke-width="2"/>
+</svg>
+

ChatView/icons/file-in-system.svg

@@ -0,0 +1,12 @@
+<svg width="44" height="44" viewBox="0 0 44 44" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g clip-path="url(#clip0_59_114)">
+<path d="M2 8H12L16 4H40C42 4 44 6 44 8V36C44 38 42 40 40 40H6C4 40 2 38 2 36V8Z" fill="black" fill-opacity="0.1" stroke="black" stroke-width="3"/>
+<path d="M25 37C32.732 37 39 30.732 39 23C39 15.268 32.732 9 25 9C17.268 9 11 15.268 11 23C11 30.732 17.268 37 25 37Z" stroke="black" stroke-width="4"/>
+<path d="M33 35L42 44" stroke="black" stroke-width="4" stroke-linecap="round"/>
+</g>
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ChatView/icons/image-dark.svg

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+  <circle cx="8.5" cy="8.5" r="1.5"/>
+  <polyline points="21 15 16 10 5 21"/>
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ChatView/icons/link-file-dark.svg

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ChatView/icons/link-file-light.svg

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+<g clip-path="url(#clip0_51_24)">
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+</svg>

ChatView/icons/load-chat-dark.svg

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+<path d="M5 8H15" stroke="black" stroke-width="2.5" stroke-linecap="round"/>
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+<path d="M5 21L10 16L15 21" stroke="black" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>

ChatView/icons/open-in-editor.svg

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ChatView/icons/reject-changes-button.svg

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ChatView/icons/rules-icon.svg

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ChatView/icons/save-chat-dark.svg

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ChatView/icons/settings-icon.svg

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ChatView/icons/thinking-icon-off.svg

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ChatView/icons/thinking-icon-on.svg

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ChatView/icons/tools-icon-off.svg

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ChatView/icons/tools-icon-on.svg

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ChatView/icons/undo-changes-button.svg

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+</defs>
+</svg>

ChatView/icons/window-lock.svg

@@ -0,0 +1,5 @@
+<svg width="44" height="44" viewBox="0 0 44 44" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M31 18H13C11.3431 18 10 19.3431 10 21V37C10 38.6569 11.3431 40 13 40H31C32.6569 40 34 38.6569 34 37V21C34 19.3431 32.6569 18 31 18Z" fill="black" fill-opacity="0.3" stroke="black" stroke-width="4"/>
+<path d="M14 18V10C14 5.6 17.6 2 22 2C26.4 2 30 5.6 30 10V18" stroke="black" stroke-width="4"/>
+<path d="M22 32C23.6569 32 25 30.6569 25 29C25 27.3431 23.6569 26 22 26C20.3431 26 19 27.3431 19 29C19 30.6569 20.3431 32 22 32Z" fill="black"/>
+</svg>

ChatView/icons/window-unlock.svg

@@ -0,0 +1,5 @@
+<svg width="44" height="44" viewBox="0 0 44 44" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M31 18H13C11.3431 18 10 19.3431 10 21V37C10 38.6569 11.3431 40 13 40H31C32.6569 40 34 38.6569 34 37V21C34 19.3431 32.6569 18 31 18Z" fill="black" fill-opacity="0.1" stroke="black" stroke-width="4"/>
+<path d="M14 17V9.5C14 5.375 17.15 2 21 2C24.85 2 27.5 2.875 27.5 7" stroke="black" stroke-width="4"/>
+<path d="M22 32C23.6569 32 25 30.6569 25 29C25 27.3431 23.6569 26 22 26C20.3431 26 19 27.3431 19 29C19 30.6569 20.3431 32 22 32Z" fill="black"/>
+</svg>

ChatView/qml/RootItem.qml

@@ -0,0 +1,642 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Controls.Basic as QQC
+import QtQuick.Layouts
+import ChatView
+import UIControls
+import Qt.labs.platform as Platform
+
+import "./chatparts"
+import "./controls"
+
+ChatRootView {
+    id: root
+
+    property SystemPalette sysPalette: SystemPalette {
+        colorGroup: SystemPalette.Active
+    }
+
+    palette {
+        window: sysPalette.window
+        windowText: sysPalette.windowText
+        base: sysPalette.base
+        alternateBase: sysPalette.alternateBase
+        text: sysPalette.text
+        button: sysPalette.button
+        buttonText: sysPalette.buttonText
+        highlight: sysPalette.highlight
+        highlightedText: sysPalette.highlightedText
+        light: sysPalette.light
+        mid: sysPalette.mid
+        dark: sysPalette.dark
+        shadow: sysPalette.shadow
+        brightText: sysPalette.brightText
+    }
+
+    Rectangle {
+        id: bg
+
+        anchors.fill: parent
+        color: palette.window
+    }
+
+    SplitDropZone {
+        anchors.fill: parent
+        z: 99
+
+        onFilesDroppedToAttach: (urlStrings) => {
+            var localPaths = root.convertUrlsToLocalPaths(urlStrings)
+            if (localPaths.length > 0) {
+                root.addFilesToAttachList(localPaths)
+            }
+        }
+
+        onFilesDroppedToLink: (urlStrings) => {
+            var localPaths = root.convertUrlsToLocalPaths(urlStrings)
+            if (localPaths.length > 0) {
+                root.addFilesToLinkList(localPaths)
+            }
+        }
+    }
+
+    QoABusyOverlay {
+        id: compressingOverlay
+
+        z: 50
+
+        anchors.fill: mainColumn
+        anchors.topMargin: topBar.height
+        anchors.bottomMargin: bottomBar.height
+
+        active: root.isCompressing
+        text: qsTr("Compressing chat…")
+    }
+
+    ColumnLayout {
+        id: mainColumn
+
+        anchors.fill: parent
+        spacing: 0
+
+        TopBar {
+            id: topBar
+
+            Layout.preferredWidth: parent.width
+            Layout.preferredHeight: childrenRect.height + 10
+
+            saveButton.onClicked: root.showSaveDialog()
+            loadButton.onClicked: root.showLoadDialog()
+            clearButton.onClicked: root.clearChat()
+            tokensBadge {
+                text: qsTr("%1/%2").arg(root.inputTokensCount).arg(root.chatModel.tokensThreshold)
+            }
+            recentPath {
+                text: qsTr("Сhat name: %1").arg(root.chatFileName.length > 0 ? root.chatFileName : "Unsaved")
+            }
+            openChatHistory.onClicked: root.openChatHistoryFolder()
+            contextButton.onClicked: contextViewer.open()
+            pinButton {
+                visible: typeof _chatview !== 'undefined'
+                checked: typeof _chatview !== 'undefined' ? _chatview.isPin : false
+                onCheckedChanged: _chatview.isPin = topBar.pinButton.checked
+            }
+            toolsButton {
+                checked: root.useTools
+                onCheckedChanged: {
+                    root.useTools = toolsButton.checked
+                }
+            }
+            thinkingMode {
+                checked: root.useThinking
+                enabled: root.isThinkingSupport
+                onCheckedChanged: {
+                    root.useThinking = thinkingMode.checked
+                }
+            }
+            settingsButton.onClicked: root.openSettings()
+            configSelector {
+                model: root.availableConfigurations
+                displayText: root.currentConfiguration
+                onActivated: function(index) {
+                    if (index > 0) {
+                        root.applyConfiguration(root.availableConfigurations[index])
+                    }
+                }
+                
+                popup.onAboutToShow: {
+                    root.loadAvailableConfigurations()
+                }
+            }
+            
+            roleSelector {
+                model: root.availableAgentRoles
+                displayText: root.currentAgentRole
+                onActivated: function(index) {
+                    root.applyAgentRole(root.availableAgentRoles[index])
+                }
+                
+                popup.onAboutToShow: {
+                    root.loadAvailableAgentRoles()
+                }
+            }
+        }
+
+        ListView {
+            id: chatListView
+
+            property bool userScrolledUp: false
+
+            Layout.fillWidth: true
+            Layout.fillHeight: true
+            leftMargin: 5
+            model: root.chatModel
+            clip: true
+            spacing: 0
+            boundsBehavior: Flickable.StopAtBounds
+            cacheBuffer: 2000
+
+            onMovingChanged: {
+                if (moving) {
+                    userScrolledUp = !atYEnd
+                }
+            }
+
+            onAtYEndChanged: {
+                if (atYEnd) {
+                    userScrolledUp = false
+                }
+            }
+
+            delegate: Loader {
+                id: componentLoader
+
+                required property var model
+                required property int index
+
+                width: ListView.view.width - scroll.width
+
+                sourceComponent: {
+                    if (model.roleType === ChatModel.Tool) {
+                        return toolMessageComponent
+                    } else if (model.roleType === ChatModel.FileEdit) {
+                        return fileEditMessageComponent
+                    } else if (model.roleType === ChatModel.Thinking) {
+                        return thinkingMessageComponent
+                    } else {
+                        return chatItemComponent
+                    }
+                }
+
+            }
+
+            header: Item {
+                width: ListView.view.width - scroll.width
+                height: 30
+            }
+
+            ScrollBar.vertical: QQC.ScrollBar {
+                id: scroll
+            }
+
+            Rectangle {
+                id: scrollToBottomButton
+
+                anchors {
+                    bottom: parent.bottom
+                    horizontalCenter: parent.horizontalCenter
+                    bottomMargin: 10
+                }
+                width: 36
+                height: 36
+                radius: 18
+                color: palette.button
+                border.color: palette.mid
+                border.width: 1
+                visible: chatListView.userScrolledUp
+                opacity: 0.9
+                z: 100
+
+                Text {
+                    anchors.centerIn: parent
+                    text: "▼"
+                    font.pixelSize: 14
+                    color: palette.buttonText
+                }
+
+                MouseArea {
+                    anchors.fill: parent
+                    cursorShape: Qt.PointingHandCursor
+                    onClicked: {
+                        chatListView.userScrolledUp = false
+                        root.scrollToBottom()
+                    }
+                }
+
+                Behavior on visible {
+                    enabled: false
+                }
+            }
+
+            onCountChanged: {
+                if (!userScrolledUp) {
+                    root.scrollToBottom()
+                }
+            }
+
+            onContentHeightChanged: {
+                if (!userScrolledUp && atYEnd) {
+                    root.scrollToBottom()
+                }
+            }
+
+            Component {
+                id: chatItemComponent
+
+                ChatItem {
+                    id: chatItemInstance
+
+                    width: parent.width
+                    msgModel: root.chatModel.processMessageContent(model.content)
+                    messageAttachments: model.attachments
+                    messageImages: model.images
+                    chatFilePath: root.chatFilePath()
+                    isUserMessage: model.roleType === ChatModel.User
+                    messageIndex: index
+                    textFontFamily: root.textFontFamily
+                    codeFontFamily: root.codeFontFamily
+                    codeFontSize: root.codeFontSize
+                    textFontSize: root.textFontSize
+                    textFormat: root.textFormat
+
+                    onResetChatToMessage: function(idx) {
+                        messageInput.text = model.content
+                        messageInput.cursorPosition = model.content.length
+                        root.chatModel.resetModelTo(idx)
+                    }
+
+                    onOpenFileRequested: function(filePath) {
+                        root.openFileInEditor(filePath)
+                    }
+                }
+            }
+
+            Component {
+                id: toolMessageComponent
+
+                ToolBlock {
+                    width: parent.width
+                    toolContent: model.content
+                }
+            }
+
+            Component {
+                id: fileEditMessageComponent
+
+                FileEditBlock {
+                    width: parent.width
+                    editContent: model.content
+
+                    onApplyEdit: function(editId) {
+                        root.applyFileEdit(editId)
+                    }
+
+                    onRejectEdit: function(editId) {
+                        root.rejectFileEdit(editId)
+                    }
+
+                    onUndoEdit: function(editId) {
+                        root.undoFileEdit(editId)
+                    }
+
+                    onOpenInEditor: function(editId) {
+                        root.openFileEditInEditor(editId)
+                    }
+                }
+            }
+
+            Component {
+                id: thinkingMessageComponent
+
+                ThinkingBlock {
+                    width: parent.width
+                    thinkingContent: {
+                        let content = model.content
+                        let signatureStart = content.indexOf("\n[Signature:")
+                        if (signatureStart >= 0) {
+                            return content.substring(0, signatureStart)
+                        }
+                        return content
+                    }
+                    isRedacted: model.isRedacted !== undefined ? model.isRedacted : false
+                }
+            }
+        }
+
+        ScrollView {
+            id: view
+
+            Layout.fillWidth: true
+            Layout.minimumHeight: 30
+            Layout.maximumHeight: root.height / 2
+
+            QQC.TextArea {
+                id: messageInput
+
+                placeholderText: Qt.platform.os === "osx"
+                                 ? qsTr("Type your message here... (⌘+↩ to send)")
+                                 : qsTr("Type your message here... (Ctrl+Enter to send)")
+                placeholderTextColor: palette.mid
+                color: palette.text
+                background: Rectangle {
+                    radius: 2
+                    color: palette.base
+                    border.color:  messageInput.activeFocus ? palette.highlight : palette.button
+                    border.width: 1
+
+                    Behavior on border.color {
+                        ColorAnimation { duration: 150 }
+                    }
+
+                    Rectangle {
+                        anchors.fill: parent
+                        color: palette.highlight
+                        opacity: messageInput.hovered ? 0.1 : 0
+                        radius: parent.radius
+                    }
+                }
+
+                onTextChanged: {
+                    root.calculateMessageTokensCount(messageInput.text)
+                    var cursorPos = messageInput.cursorPosition
+                    var textBefore = messageInput.text.substring(0, cursorPos)
+                    var atIndex = textBefore.lastIndexOf('@')
+                    if (atIndex >= 0) {
+                        var query = textBefore.substring(atIndex + 1)
+                        if (query.indexOf(' ') === -1 && query.indexOf('\n') === -1) {
+                            fileMentionPopup.updateSearch(query)
+                            return
+                        }
+                    }
+                    fileMentionPopup.dismiss()
+                }
+
+                Keys.onPressed: function(event) {
+                    if (fileMentionPopup.visible) {
+                        if (event.key === Qt.Key_Down) {
+                            fileMentionPopup.moveDown()
+                            event.accepted = true
+                        } else if (event.key === Qt.Key_Up) {
+                            fileMentionPopup.moveUp()
+                            event.accepted = true
+                        } else if (event.key === Qt.Key_Return || event.key === Qt.Key_Enter) {
+                            root.applyMentionSelection()
+                            event.accepted = true
+                        } else if (event.key === Qt.Key_Escape) {
+                            fileMentionPopup.dismiss()
+                            event.accepted = true
+                        }
+                    }
+                }
+
+                MouseArea {
+                    anchors.fill: parent
+                    acceptedButtons: Qt.RightButton
+                    onClicked: messageContextMenu.open()
+                    propagateComposedEvents: true
+                }
+            }
+        }
+
+        Platform.Menu {
+            id: messageContextMenu
+
+            Platform.MenuItem {
+                text: qsTr("Cut")
+                enabled: messageInput.selectedText.length > 0
+                onTriggered: messageInput.cut()
+            }
+
+            Platform.MenuItem {
+                text: qsTr("Copy")
+                enabled: messageInput.selectedText.length > 0
+                onTriggered: messageInput.copy()
+            }
+
+            Platform.MenuItem {
+                text: qsTr("Paste")
+                enabled: messageInput.canPaste
+                onTriggered: messageInput.paste()
+            }
+
+            Platform.MenuSeparator {}
+
+            Platform.MenuItem {
+                text: qsTr("Select All")
+                enabled: messageInput.text.length > 0
+                onTriggered: messageInput.selectAll()
+            }
+
+            Platform.MenuSeparator {}
+
+            Platform.MenuItem {
+                text: qsTr("Clear")
+                enabled: messageInput.text.length > 0
+                onTriggered: messageInput.clear()
+            }
+        }
+
+        AttachedFilesPlace {
+            id: attachedFilesPlace
+
+            Layout.fillWidth: true
+            attachedFilesModel: root.attachmentFiles
+            iconPath: palette.window.hslLightness > 0.5 ? "qrc:/qt/qml/ChatView/icons/attach-file-dark.svg"
+                                                        : "qrc:/qt/qml/ChatView/icons/attach-file-light.svg"
+            accentColor: Qt.tint(palette.mid, Qt.rgba(0, 0.8, 0.3, 0.4))
+            onRemoveFileFromListByIndex: (index) => root.removeFileFromAttachList(index)
+        }
+
+        AttachedFilesPlace {
+            id: linkedFilesPlace
+
+            Layout.fillWidth: true
+            attachedFilesModel: root.linkedFiles
+            iconPath: palette.window.hslLightness > 0.5 ? "qrc:/qt/qml/ChatView/icons/link-file-dark.svg"
+                                                        : "qrc:/qt/qml/ChatView/icons/link-file-light.svg"
+            accentColor: Qt.tint(palette.mid, Qt.rgba(0, 0.3, 0.8, 0.4))
+            onRemoveFileFromListByIndex: (index) => root.removeFileFromLinkList(index)
+        }
+
+        FileEditsActionBar {
+            id: fileEditsActionBar
+
+            Layout.fillWidth: true
+            totalEdits: root.currentMessageTotalEdits
+            appliedEdits: root.currentMessageAppliedEdits
+            pendingEdits: root.currentMessagePendingEdits
+            rejectedEdits: root.currentMessageRejectedEdits
+
+            onApplyAllClicked: root.applyAllFileEditsForCurrentMessage()
+            onUndoAllClicked: root.undoAllFileEditsForCurrentMessage()
+        }
+
+        BottomBar {
+            id: bottomBar
+
+            Layout.preferredWidth: parent.width
+            Layout.preferredHeight: 40
+
+            isCompressing: root.isCompressing
+            sendButton.onClicked: !root.isRequestInProgress ? root.sendChatMessage()
+                                                            : root.cancelRequest()
+            sendButton.icon.source: !root.isRequestInProgress ? "qrc:/qt/qml/ChatView/icons/chat-icon.svg"
+                                                              : "qrc:/qt/qml/ChatView/icons/chat-pause-icon.svg"
+            sendButton.text: !root.isRequestInProgress ? qsTr("Send") : qsTr("Stop")
+            sendButton.ToolTip.text: !root.isRequestInProgress ? qsTr("Send message to LLM %1").arg(Qt.platform.os === "osx" ? "Cmd+Return" : "Ctrl+Return")
+                                                               : qsTr("Stop")
+            compressButton.onClicked: compressConfirmDialog.open()
+            cancelCompressButton.onClicked: root.cancelCompression()
+            syncOpenFiles {
+                checked: root.isSyncOpenFiles
+                onCheckedChanged: root.setIsSyncOpenFiles(bottomBar.syncOpenFiles.checked)
+            }
+            attachFiles.onClicked: root.showAttachFilesDialog()
+            attachImages.onClicked: root.showAddImageDialog()
+            linkFiles.onClicked: root.showLinkFilesDialog()
+        }
+    }
+
+    Shortcut {
+        id: sendMessageShortcut
+
+        sequences: ["Ctrl+Return", "Ctrl+Enter"]
+        context: Qt.WindowShortcut
+        enabled: messageInput.activeFocus && !Qt.inputMethod.visible && !fileMentionPopup.visible
+        onActivated: root.sendChatMessage()
+    }
+
+    function clearChat() {
+        root.clearMessages()
+        root.clearAttachmentFiles()
+        root.updateInputTokensCount()
+    }
+
+    function scrollToBottom() {
+        Qt.callLater(chatListView.positionViewAtEnd)
+    }
+
+    function applyMentionSelection() {
+        var result = fileMentionPopup.applyCurrentSelection(
+            messageInput.text, messageInput.cursorPosition, root.useTools)
+        if (result.text !== undefined) {
+            messageInput.text = result.text
+            messageInput.cursorPosition = result.cursorPosition
+        }
+    }
+
+    function sendChatMessage() {
+        root.sendMessage(fileMentionPopup.expandMentions(messageInput.text))
+        messageInput.text = ""
+        fileMentionPopup.clearMentions()
+        scrollToBottom()
+    }
+
+    Dialog {
+        id: compressConfirmDialog
+
+        anchors.centerIn: parent
+        title: qsTr("Compress Chat")
+        modal: true
+        standardButtons: Dialog.Yes | Dialog.No
+
+        Label {
+            text: qsTr("Create a summarized copy of this chat?\n\nThe summary will be generated by LLM and saved as a new chat file.")
+            wrapMode: Text.WordWrap
+        }
+
+        onAccepted: root.compressCurrentChat()
+    }
+
+    Toast {
+        id: errorToast
+        z: 1000
+
+        color: Qt.rgba(0.8, 0.2, 0.2, 0.9)
+        border.color: Qt.darker(infoToast.color, 1.3)
+        toastTextColor: "#FFFFFF"
+    }
+
+    Toast {
+        id: infoToast
+        z: 1000
+
+        color: Qt.rgba(0.2, 0.8, 0.2, 0.9)
+        border.color: Qt.darker(infoToast.color, 1.3)
+        toastTextColor: "#FFFFFF"
+    }
+
+    ContextViewer {
+        id: contextViewer
+
+        width: Math.min(parent.width * 0.85, 800)
+        height: Math.min(parent.height * 0.85, 700)
+        x: (parent.width - width) / 2
+        y: (parent.height - height) / 2
+
+        baseSystemPrompt: root.baseSystemPrompt
+        currentAgentRole: root.currentAgentRole
+        currentAgentRoleDescription: root.currentAgentRoleDescription
+        currentAgentRoleSystemPrompt: root.currentAgentRoleSystemPrompt
+        activeRules: root.activeRules
+        activeRulesCount: root.activeRulesCount
+
+        onOpenSettings: root.openSettings()
+        onOpenAgentRolesSettings: root.openAgentRolesSettings()
+        onOpenRulesFolder: root.openRulesFolder()
+        onRefreshRules: root.refreshRules()
+        onRuleSelected: function(index) {
+            contextViewer.selectedRuleContent = root.getRuleContent(index)
+        }
+    }
+
+    Connections {
+        target: root
+        function onLastErrorMessageChanged() {
+            if (root.lastErrorMessage.length > 0) {
+                errorToast.show(root.lastErrorMessage)
+            }
+        }
+        function onLastInfoMessageChanged() {
+            if (root.lastInfoMessage.length > 0) {
+                infoToast.show(root.lastInfoMessage)
+            }
+        }
+        function onOpenFilesChanged() {
+            if (fileMentionPopup.visible)
+                Qt.callLater(fileMentionPopup.refreshSearch)
+        }
+    }
+
+    FileMentionPopup {
+        id: fileMentionPopup
+
+        z: 999
+        width: Math.min(480, root.width - 20)
+
+        x: Math.max(5, Math.min(view.x + 5, root.width - width - 5))
+        y: view.y - height - 4
+
+        onSelectionRequested: root.applyMentionSelection()
+
+        onFileAttachRequested: function(filePaths) {
+            root.addFilesToAttachList(filePaths)
+        }
+    }
+
+    Component.onCompleted: {
+        messageInput.forceActiveFocus()
+    }
+}

ChatView/qml/chatparts/ChatItem.qml

@@ -0,0 +1,367 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import QtQuick
+import ChatView
+import QtQuick.Controls
+import QtQuick.Layouts
+import UIControls
+
+Rectangle {
+    id: root
+
+    property alias msgModel: msgCreator.model
+    property alias messageAttachments: attachmentsModel.model
+    property alias messageImages: imagesModel.model
+    property string chatFilePath: ""
+    property string textFontFamily: Qt.application.font.family
+    property string codeFontFamily: {
+        switch (Qt.platform.os) {
+        case "windows":
+            return "Consolas";
+        case "osx":
+            return "Menlo";
+        case "linux":
+            return "DejaVu Sans Mono";
+        default:
+            return "monospace";
+        }
+    }
+    property int textFontSize: Qt.application.font.pointSize
+    property int codeFontSize: Qt.application.font.pointSize
+    property int textFormat: 0
+
+    property bool isUserMessage: false
+    property int messageIndex: -1
+
+    signal resetChatToMessage(int index)
+    signal openFileRequested(string filePath)
+
+    height: msgColumn.implicitHeight + 10
+    radius: 8
+    color: isUserMessage ? palette.alternateBase
+                         : palette.base
+
+    HoverHandler {
+        id: mouse
+    }
+
+    ColumnLayout {
+        id: msgColumn
+
+        x: 5
+        width: parent.width - x
+        anchors.verticalCenter: parent.verticalCenter
+        spacing: 5
+
+        Repeater {
+            id: msgCreator
+            delegate: Loader {
+                id: msgCreatorDelegate
+                // Fix me:
+                // why does `required property MessagePart modelData` not work?
+                required property var modelData
+
+                Layout.preferredWidth: root.width
+                sourceComponent: {
+                    // If `required property MessagePart modelData` is used
+                    // and conversion to MessagePart fails, you're left
+                    // with a nullptr. This tests that to prevent crashing.
+                    if(!modelData) {
+                        return undefined;
+                    }
+
+                    switch(modelData.type) {
+                        case MessagePartType.Text: return textComponent;
+                        case MessagePartType.Code: return codeBlockComponent;
+                        default: return textComponent;
+                    }
+                }
+
+                Component {
+                    id: textComponent
+                    TextComponent {
+                        itemData: msgCreatorDelegate.modelData
+                    }
+                }
+
+                Component {
+                    id: codeBlockComponent
+                    CodeBlockComponent {
+                        itemData: msgCreatorDelegate.modelData
+                    }
+                }
+            }
+        }
+
+        Flow {
+            id: attachmentsFlow
+
+            Layout.fillWidth: true
+            visible: attachmentsModel.model && attachmentsModel.model.length > 0
+            leftPadding: 10
+            rightPadding: 10
+            spacing: 5
+
+            Repeater {
+                id: attachmentsModel
+
+                delegate: AttachmentComponent {
+                    required property int index
+                    required property var modelData
+
+                    itemData: modelData
+                }
+            }
+        }
+
+        Flow {
+            id: imagesFlow
+
+            Layout.fillWidth: true
+            visible: imagesModel.model && imagesModel.model.length > 0
+            leftPadding: 10
+            rightPadding: 10
+            spacing: 10
+
+            Repeater {
+                id: imagesModel
+
+                delegate: ImageComponent {
+                    required property int index
+                    required property var modelData
+
+                    itemData: modelData
+                }
+            }
+        }
+    }
+
+    Rectangle {
+        id: userMessageMarker
+
+        anchors.verticalCenter: parent.verticalCenter
+        width: 3
+        height: root.height - root.radius
+        color: "#92BD6C"
+        radius: root.radius
+        visible: root.isUserMessage
+    }
+
+    QoAButton {
+        id: stopButtonId
+
+        anchors {
+            right: parent.right
+            top: parent.top
+        }
+
+        icon {
+            source: "qrc:/qt/qml/ChatView/icons/undo-changes-button.svg"
+            height: 15
+            width: 15
+        }
+        visible: root.isUserMessage && mouse.hovered
+        onClicked: function() {
+            root.resetChatToMessage(root.messageIndex)
+        }
+
+        QoAToolTip {
+            visible: stopButtonId.hovered
+            text: qsTr("Reset chat to this message and edit")
+            delay: 500
+        }
+    }
+
+    component TextComponent : TextBlock {
+        required property var itemData
+        height: implicitHeight + 10
+        verticalAlignment: Text.AlignVCenter
+        leftPadding: 10
+        text: textFormat == Text.MarkdownText ? utils.getSafeMarkdownText(itemData.text)
+                                              : itemData.text
+        font.family: root.textFontFamily
+        font.pointSize: root.textFontSize
+        textFormat: {
+            if (root.textFormat == 0) {
+                return Text.MarkdownText
+            } else if (root.textFormat == 1) {
+                return Text.RichText
+            } else {
+                return Text.PlainText
+            }
+        }
+
+        onLinkActivated: function(link) {
+            if (link.startsWith("file://")) {
+                var filePath = link.replace(/^file:\/\//, "")
+                root.openFileRequested(filePath)
+            } else {
+                Qt.openUrlExternally(link)
+            }
+        }
+
+        ChatUtils {
+            id: utils
+        }
+    }
+
+    component CodeBlockComponent : CodeBlock {
+        id: codeblock
+
+        required property var itemData
+        anchors {
+            left: parent.left
+            leftMargin: 10
+            right: parent.right
+            rightMargin: 10
+        }
+
+        code: itemData.text
+        language: itemData.language
+        codeFontFamily: root.codeFontFamily
+        codeFontSize: root.codeFontSize
+    }
+
+    component AttachmentComponent : Rectangle {
+        required property var itemData
+
+        height: attachFileText.implicitHeight + 8
+        width: attachFileText.implicitWidth + 16
+        radius: 4
+        color: attachFileMouseArea.containsMouse ? Qt.lighter(palette.button, 1.1) : palette.button
+        border.width: 1
+        border.color: palette.mid
+
+        Behavior on color { ColorAnimation { duration: 100 } }
+
+        FileItem {
+            id: fileItem
+            filePath: itemData.filePath || ""
+        }
+
+        Text {
+            id: attachFileText
+
+            anchors.centerIn: parent
+            text: (itemData.fileName || "")
+            color: palette.buttonText
+            font.pointSize: root.textFontSize - 1
+        }
+
+        MouseArea {
+            id: attachFileMouseArea
+
+            anchors.fill: parent
+            hoverEnabled: true
+            acceptedButtons: Qt.LeftButton
+            cursorShape: Qt.PointingHandCursor
+
+            onClicked: (mouse) => {
+                if (mouse.modifiers & Qt.ShiftModifier) {
+                    fileItem.openFileInExternalEditor()
+                } else {
+                    fileItem.openFileInEditor()
+                }
+            }
+
+            QoAToolTip {
+                visible: attachFileMouseArea.containsMouse
+                text: qsTr("Click: Open in Qt Creator\nShift+Click: Open in System Editor")
+                delay: 500
+            }
+        }
+    }
+
+    component ImageComponent : Rectangle {
+        required property var itemData
+
+        readonly property int maxImageWidth: Math.min(400, root.width - 40)
+        readonly property int maxImageHeight: 300
+
+        width: Math.min(imageDisplay.implicitWidth, maxImageWidth) + 16
+        height: imageDisplay.implicitHeight + fileNameText.implicitHeight + 16
+        radius: 4
+        color: imageMouseArea.containsMouse ? Qt.lighter(palette.base, 1.05) : palette.base
+        border.width: 1
+        border.color: palette.mid
+
+        Behavior on color { ColorAnimation { duration: 100 } }
+
+        FileItem {
+            id: imageFileItem
+            filePath: itemData.filePath || ""
+        }
+
+        ColumnLayout {
+            anchors.fill: parent
+            anchors.margins: 8
+            spacing: 4
+
+            Image {
+                id: imageDisplay
+
+                Layout.alignment: Qt.AlignHCenter
+                Layout.maximumWidth: parent.parent.maxImageWidth
+                Layout.maximumHeight: parent.parent.maxImageHeight
+
+                source: itemData.imageUrl ? itemData.imageUrl : ""
+
+                sourceSize.width: parent.parent.maxImageWidth
+                sourceSize.height: parent.parent.maxImageHeight
+                fillMode: Image.PreserveAspectFit
+                cache: true
+                asynchronous: true
+                smooth: true
+                mipmap: true
+
+                BusyIndicator {
+                    anchors.centerIn: parent
+                    running: imageDisplay.status === Image.Loading
+                    visible: running
+                }
+
+                Text {
+                    anchors.centerIn: parent
+                    text: qsTr("Failed to load image")
+                    visible: imageDisplay.status === Image.Error
+                    color: palette.placeholderText
+                }
+            }
+
+            Text {
+                id: fileNameText
+
+                Layout.fillWidth: true
+                text: itemData.fileName || ""
+                color: palette.text
+                font.pointSize: root.textFontSize - 1
+                elide: Text.ElideMiddle
+                horizontalAlignment: Text.AlignHCenter
+            }
+        }
+
+        MouseArea {
+            id: imageMouseArea
+
+            anchors.fill: parent
+            hoverEnabled: true
+            acceptedButtons: Qt.LeftButton
+            cursorShape: Qt.PointingHandCursor
+
+            onClicked: (mouse) => {
+                if (mouse.modifiers & Qt.ShiftModifier) {
+                    imageFileItem.openFileInExternalEditor()
+                } else {
+                    imageFileItem.openFileInEditor()
+                }
+            }
+
+            QoAToolTip {
+                visible: imageMouseArea.containsMouse
+                text: qsTr("Click: Open in Qt Creator\nShift+Click: Open in System Editor")
+                delay: 500
+            }
+        }
+    }
+}

ChatView/qml/chatparts/CodeBlock.qml

@@ -0,0 +1,157 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import QtQuick
+import QtQuick.Controls
+import ChatView
+import UIControls
+import Qt.labs.platform as Platform
+
+Rectangle {
+    id: root
+
+    property string code: ""
+    property string language: ""
+    property bool expanded: false
+
+    property alias codeFontFamily: codeText.font.family
+    property alias codeFontSize: codeText.font.pointSize
+    readonly property real collapsedHeight: copyButton.height + 10
+
+    color: palette.alternateBase
+    border.color: root.color.hslLightness > 0.5 ? Qt.darker(root.color, 1.3)
+                                                : Qt.lighter(root.color, 1.3)
+    border.width: 2
+    radius: 4
+    implicitWidth: parent.width
+    clip: true
+
+    Behavior on implicitHeight {
+        NumberAnimation { duration: 200; easing.type: Easing.InOutQuad }
+    }
+
+    ChatUtils {
+        id: utils
+    }
+
+    HoverHandler {
+        id: hoverHandler
+        enabled: true
+    }
+
+    MouseArea {
+        id: header
+
+        width: parent.width
+        height: root.collapsedHeight
+        cursorShape: Qt.PointingHandCursor
+        onClicked: root.expanded = !root.expanded
+
+        Row {
+            id: headerRow
+
+            anchors {
+                verticalCenter: parent.verticalCenter
+                left: parent.left
+                leftMargin: 10
+            }
+            spacing: 6
+
+            Text {
+                text: root.language ? qsTr("Code (%1)").arg(root.language) :
+                                      qsTr("Code")
+                font.pixelSize: 12
+                font.bold: true
+                color: palette.text
+            }
+
+            Text {
+                anchors.verticalCenter: parent.verticalCenter
+                text: root.expanded ? "▼" : "▶"
+                font.pixelSize: 10
+                color: palette.mid
+            }
+        }
+    }
+
+    TextEdit {
+        id: codeText
+
+        anchors {
+            left: parent.left
+            right: parent.right
+            top: header.bottom
+            margins: 10
+        }
+        text: root.code
+        readOnly: true
+        selectByMouse: true
+        color: parent.color.hslLightness > 0.5 ? "black" : "white"
+        wrapMode: Text.WordWrap
+        selectionColor: palette.highlight
+
+        MouseArea {
+            anchors.fill: parent
+            acceptedButtons: Qt.RightButton
+            onClicked: contextMenu.open()
+        }
+    }
+
+    Platform.Menu {
+        id: contextMenu
+
+        Platform.MenuItem {
+            text: qsTr("Copy")
+            onTriggered: {
+                const textToCopy = codeText.selectedText || root.code
+                utils.copyToClipboard(textToCopy)
+            }
+        }
+
+        Platform.MenuSeparator {}
+
+        Platform.MenuItem {
+            text: root.expanded ? qsTr("Collapse") : qsTr("Expand")
+            onTriggered: root.expanded = !root.expanded
+        }
+    }
+
+    QoAButton {
+        id: copyButton
+
+        anchors.right: parent.right
+        anchors.rightMargin: 5
+
+        y: 5
+        text: qsTr("Copy")
+
+        onClicked: {
+            utils.copyToClipboard(root.code)
+            text = qsTr("Copied")
+            copyTimer.start()
+        }
+
+        Timer {
+            id: copyTimer
+            interval: 2000
+            onTriggered: parent.text = qsTr("Copy")
+        }
+    }
+
+    states: [
+        State {
+            when: !root.expanded
+            PropertyChanges {
+                target: root
+                implicitHeight: root.collapsedHeight
+            }
+        },
+        State {
+            when: root.expanded
+            PropertyChanges {
+                target: root
+                implicitHeight: header.height + codeText.implicitHeight + 10
+            }
+        }
+    ]
+}

ChatView/qml/chatparts/FileEditBlock.qml

@@ -0,0 +1,453 @@
+// Copyright (C) 2025-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+import UIControls
+import ChatView
+import Qt.labs.platform as Platform
+
+Rectangle {
+    id: root
+
+    property string editContent: ""
+
+    readonly property var editData: parseEditData(editContent)
+    readonly property string filePath: editData.file || ""
+    readonly property string fileName: getFileName(filePath)
+    readonly property string editStatus: editData.status || "pending"
+    readonly property string statusMessage: editData.status_message || ""
+    readonly property string oldContent: editData.old_content || ""
+    readonly property string newContent: editData.new_content || ""
+
+    signal applyEdit(string editId)
+    signal rejectEdit(string editId)
+    signal undoEdit(string editId)
+    signal openInEditor(string editId)
+
+    readonly property int borderRadius: 4
+    readonly property int contentMargin: 10
+    readonly property int contentBottomPadding: 20
+    readonly property int headerPadding: 8
+    readonly property int statusIndicatorWidth: 4
+
+    readonly property bool isPending: editStatus === "pending"
+    readonly property bool isApplied: editStatus === "applied"
+    readonly property bool isRejected: editStatus === "rejected"
+    readonly property bool isArchived: editStatus === "archived"
+
+    readonly property color appliedColor: Qt.rgba(0.2, 0.8, 0.2, 0.8)
+    readonly property color revertedColor: Qt.rgba(0.8, 0.6, 0.2, 0.8)
+    readonly property color rejectedColor: Qt.rgba(0.8, 0.2, 0.2, 0.8)
+    readonly property color archivedColor: Qt.rgba(0.5, 0.5, 0.5, 0.8)
+    readonly property color pendingColor: palette.highlight
+
+    readonly property color appliedBgColor: Qt.rgba(0.2, 0.8, 0.2, 0.3)
+    readonly property color revertedBgColor: Qt.rgba(0.8, 0.6, 0.2, 0.3)
+    readonly property color rejectedBgColor: Qt.rgba(0.8, 0.2, 0.2, 0.3)
+    readonly property color archivedBgColor: Qt.rgba(0.5, 0.5, 0.5, 0.3)
+
+    readonly property string codeFontFamily: {
+        switch (Qt.platform.os) {
+        case "windows": return "Consolas"
+        case "osx": return "Menlo"
+        case "linux": return "DejaVu Sans Mono"
+        default: return "monospace"
+        }
+    }
+    readonly property int codeFontSize: Qt.application.font.pointSize
+
+    readonly property color statusColor: {
+        if (isArchived) return archivedColor
+        if (isApplied) return appliedColor
+        if (isRejected) return rejectedColor
+        return pendingColor
+    }
+
+    readonly property color statusBgColor: {
+        if (isArchived) return archivedBgColor
+        if (isApplied) return appliedBgColor
+        if (isRejected) return rejectedBgColor
+        return palette.button
+    }
+
+    readonly property string statusText: {
+        if (isArchived) return qsTr("ARCHIVED")
+        if (isApplied) return qsTr("APPLIED")
+        if (isRejected) return qsTr("REJECTED")
+        return qsTr("PENDING")
+    }
+
+    readonly property int addedLines: countLines(newContent)
+    readonly property int removedLines: countLines(oldContent)
+
+    function parseEditData(content) {
+        try {
+            const marker = "QODEASSIST_FILE_EDIT:";
+            let jsonStr = content;
+            if (content.indexOf(marker) >= 0) {
+                jsonStr = content.substring(content.indexOf(marker) + marker.length);
+            }
+            return JSON.parse(jsonStr);
+        } catch (e) {
+            return {
+                edit_id: "",
+                file: "",
+                old_content: "",
+                new_content: "",
+                status: "error",
+                status_message: ""
+            };
+        }
+    }
+
+    function getFileName(path) {
+        if (!path) return "";
+        const parts = path.split('/');
+        return parts[parts.length - 1];
+    }
+
+    function countLines(text) {
+        if (!text) return 0;
+        return text.split('\n').length;
+    }
+
+    implicitHeight: fileEditView.implicitHeight
+
+    ChatUtils {
+        id: utils
+    }
+
+    Rectangle {
+        id: fileEditView
+
+        property bool expanded: false
+
+        anchors.fill: parent
+        implicitHeight: expanded ? headerArea.height + contentColumn.implicitHeight + root.contentBottomPadding + root.contentMargin * 2
+                                 : headerArea.height
+        radius: root.borderRadius
+
+        color: palette.base
+
+        border.width: 1
+        border.color: root.isPending
+            ? (color.hslLightness > 0.5 ? Qt.darker(color, 1.3) : Qt.lighter(color, 1.3))
+            : Qt.alpha(root.statusColor, 0.6)
+
+        clip: true
+
+        Behavior on implicitHeight {
+            NumberAnimation {
+                duration: 200
+                easing.type: Easing.InOutQuad
+            }
+        }
+
+        states: [
+            State {
+                name: "expanded"
+                when: fileEditView.expanded
+                PropertyChanges { target: contentColumn; opacity: 1 }
+            },
+            State {
+                name: "collapsed"
+                when: !fileEditView.expanded
+                PropertyChanges { target: contentColumn; opacity: 0 }
+            }
+        ]
+
+        transitions: Transition {
+            NumberAnimation {
+                properties: "opacity"
+                duration: 200
+                easing.type: Easing.InOutQuad
+            }
+        }
+
+        MouseArea {
+            id: headerArea
+
+            width: parent.width
+            height: headerRow.height + 16
+            cursorShape: Qt.PointingHandCursor
+            onClicked: fileEditView.expanded = !fileEditView.expanded
+
+            RowLayout {
+                id: headerRow
+
+                anchors {
+                    verticalCenter: parent.verticalCenter
+                    left: parent.left
+                    right: actionButtons.left
+                    leftMargin: root.contentMargin
+                    rightMargin: root.contentMargin
+                }
+                spacing: root.headerPadding
+
+                Rectangle {
+                    width: root.statusIndicatorWidth
+                    height: headerText.height
+                    radius: 2
+                    color: root.statusColor
+                }
+
+                Text {
+                    id: headerText
+                    Layout.fillWidth: true
+                    text: {
+                        var modeText = root.oldContent.length > 0 ? qsTr("Replace") : qsTr("Append")
+                        if (root.oldContent.length > 0) {
+                            return qsTr("%1: %2 (+%3 -%4)")
+                                .arg(modeText)
+                                .arg(root.fileName)
+                                .arg(root.addedLines)
+                                .arg(root.removedLines)
+                        } else {
+                            return qsTr("%1: %2 (+%3)")
+                                .arg(modeText)
+                                .arg(root.fileName)
+                                .arg(root.addedLines)
+                        }
+                    }
+                    font.pixelSize: 12
+                    font.bold: true
+                    color: palette.text
+                    elide: Text.ElideMiddle
+                }
+
+                Text {
+                    text: fileEditView.expanded ? "▼" : "▶"
+                    font.pixelSize: 10
+                    color: palette.mid
+                }
+
+                Rectangle {
+                    visible: !root.isPending
+                    Layout.preferredWidth: badgeText.width + 12
+                    Layout.preferredHeight: badgeText.height + 4
+                    color: root.statusBgColor
+                    radius: 3
+
+                    Text {
+                        id: badgeText
+                        anchors.centerIn: parent
+                        text: root.statusText
+                        font.pixelSize: 9
+                        font.bold: true
+                        color: root.isArchived ? Qt.rgba(0.6, 0.6, 0.6, 1.0) : palette.text
+                    }
+                }
+            }
+
+            Row {
+                id: actionButtons
+
+                anchors {
+                    right: parent.right
+                    rightMargin: 5
+                    verticalCenter: parent.verticalCenter
+                }
+                spacing: 6
+
+                QoAButton {
+                    icon {
+                        source: "qrc:/qt/qml/ChatView/icons/open-in-editor.svg"
+                        height: 15
+                        width: 15
+                    }
+                    hoverEnabled: true
+                    onClicked: root.openInEditor(editData.edit_id)
+                    
+                    ToolTip.visible: hovered
+                    ToolTip.text: qsTr("Open file in editor and navigate to changes")
+                    ToolTip.delay: 500
+                }
+
+                QoAButton {
+                    icon {
+                        source: "qrc:/qt/qml/ChatView/icons/apply-changes-button.svg"
+                        height: 15
+                        width: 15
+                    }                    enabled: (root.isPending || root.isRejected) && !root.isArchived
+                    visible: !root.isApplied && !root.isArchived
+                    onClicked: root.applyEdit(editData.edit_id)
+                }
+
+                QoAButton {
+                    icon {
+                        source: "qrc:/qt/qml/ChatView/icons/undo-changes-button.svg"
+                        height: 15
+                        width: 15
+                    }
+                    enabled: root.isApplied && !root.isArchived
+                    visible: root.isApplied && !root.isArchived
+                    onClicked: root.undoEdit(editData.edit_id)
+                }
+
+                QoAButton {
+                    icon {
+                        source: "qrc:/qt/qml/ChatView/icons/reject-changes-button.svg"
+                        height: 15
+                        width: 15
+                    }
+                    enabled: root.isPending && !root.isArchived
+                    visible: root.isPending && !root.isArchived
+                    onClicked: root.rejectEdit(editData.edit_id)
+                }
+            }
+        }
+
+        ColumnLayout {
+            id: contentColumn
+
+            anchors {
+                left: parent.left
+                right: parent.right
+                top: headerArea.bottom
+                margins: root.contentMargin
+            }
+            spacing: 8
+            visible: opacity > 0
+
+            Text {
+                Layout.fillWidth: true
+                text: root.filePath
+                font.pixelSize: 10
+                color: palette.mid
+                elide: Text.ElideMiddle
+            }
+
+            Rectangle {
+                Layout.fillWidth: true
+                Layout.preferredHeight: oldContentColumn.implicitHeight + 12
+                color: Qt.rgba(1, 0.2, 0.2, 0.1)
+                radius: 4
+                border.width: 1
+                border.color: Qt.rgba(1, 0.2, 0.2, 0.3)
+                visible: root.oldContent.length > 0
+
+                Column {
+                    id: oldContentColumn
+                    width: parent.width
+                    x: 6
+                    y: 6
+                    spacing: 4
+
+                    TextEdit {
+                        id: oldContentText
+
+                        width: parent.width - 12
+                        height: contentHeight
+                        text: root.oldContent
+                        font.family: root.codeFontFamily
+                        font.pixelSize: root.codeFontSize
+                        color: palette.text
+                        wrapMode: TextEdit.Wrap
+                        readOnly: true
+                        selectByMouse: true
+                        selectByKeyboard: true
+                        textFormat: TextEdit.PlainText
+
+                        MouseArea {
+                            anchors.fill: parent
+                            acceptedButtons: Qt.RightButton
+                            onClicked: oldConentContextMenu.open()
+                        }
+                    }
+
+                    Platform.Menu {
+                        id: oldConentContextMenu
+
+                        Platform.MenuItem {
+                            text: qsTr("Copy")
+                            onTriggered: {
+                                const textToCopy = oldContentText.selectedText || root.oldContent
+                                utils.copyToClipboard(textToCopy)
+                            }
+                        }
+
+                        Platform.MenuSeparator {}
+
+                        Platform.MenuItem {
+                            text: fileEditView.expanded ? qsTr("Collapse") : qsTr("Expand")
+                            onTriggered: fileEditView.expanded = !fileEditView.expanded
+                        }
+                    }
+                }
+            }
+
+            Rectangle {
+                Layout.fillWidth: true
+                Layout.preferredHeight: newContentColumn.implicitHeight + 12
+                color: Qt.rgba(0.2, 0.8, 0.2, 0.1)
+                radius: 4
+                border.width: 1
+                border.color: Qt.rgba(0.2, 0.8, 0.2, 0.3)
+
+                Column {
+                    id: newContentColumn
+
+                    width: parent.width
+                    x: 6
+                    y: 6
+                    spacing: 4
+
+                    TextEdit {
+                        id: newContentText
+
+                        width: parent.width - 12
+                        height: contentHeight
+                        text: root.newContent
+                        font.family: root.codeFontFamily
+                        font.pixelSize: root.codeFontSize
+                        color: palette.text
+                        wrapMode: TextEdit.Wrap
+                        readOnly: true
+                        selectByMouse: true
+                        selectByKeyboard: true
+                        textFormat: TextEdit.PlainText
+
+                        MouseArea {
+                            anchors.fill: parent
+                            acceptedButtons: Qt.RightButton
+                            onClicked: newContentContextMenu.open()
+                        }
+                    }
+
+                    Platform.Menu {
+                        id: newContentContextMenu
+
+                        Platform.MenuItem {
+                            text: qsTr("Copy")
+                            onTriggered: {
+                                const textToCopy = newContentText.selectedText || root.newContent
+                                utils.copyToClipboard(textToCopy)
+                            }
+                        }
+
+                        Platform.MenuSeparator {}
+
+                        Platform.MenuItem {
+                            text: fileEditView.expanded ? qsTr("Collapse") : qsTr("Expand")
+                            onTriggered: fileEditView.expanded = !fileEditView.expanded
+                        }
+                    }
+                }
+            }
+
+            Text {
+                Layout.fillWidth: true
+                visible: root.statusMessage.length > 0
+                text: root.statusMessage
+                font.pixelSize: 10
+                font.italic: true
+                color: root.isApplied
+                    ? Qt.rgba(0.2, 0.6, 0.2, 1)
+                    : Qt.rgba(0.8, 0.2, 0.2, 1)
+                wrapMode: Text.WordWrap
+            }
+        }
+    }
+}

ChatView/qml/chatparts/TextBlock.qml

@@ -0,0 +1,38 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import QtQuick
+import Qt.labs.platform as Platform
+
+TextEdit {
+    id: root
+
+    readOnly: true
+    selectByMouse: true
+    wrapMode: Text.WordWrap
+    selectionColor: palette.highlight
+    color: palette.text
+
+    MouseArea {
+        anchors.fill: parent
+        acceptedButtons: Qt.RightButton
+        onClicked: contextMenu.open()
+        cursorShape: root.hoveredLink ? Qt.PointingHandCursor : Qt.IBeamCursor
+    }
+
+    Platform.Menu {
+        id: contextMenu
+
+        Platform.MenuItem {
+            text: qsTr("Copy")
+            enabled: root.selectedText.length > 0
+            onTriggered: root.copy()
+        }
+
+        Platform.MenuItem {
+            text: qsTr("Select All")
+            enabled: root.text.length > 0
+            onTriggered: root.selectAll()
+        }
+    }
+}

ChatView/qml/chatparts/ThinkingBlock.qml

@@ -0,0 +1,167 @@
+// Copyright (C) 2025-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import QtQuick
+import Qt.labs.platform as Platform
+
+Rectangle {
+    id: root
+
+    property string thinkingContent: ""
+    // property string signature: ""
+    property bool isRedacted: false
+    property bool expanded: false
+    
+    property alias headerOpacity: headerRow.opacity
+
+    radius: 6
+    color: palette.base
+    clip: true
+
+    Behavior on implicitHeight {
+        NumberAnimation { duration: 200; easing.type: Easing.InOutQuad }
+    }
+
+    MouseArea {
+        id: header
+
+        width: parent.width
+        height: headerRow.height + 10
+        cursorShape: Qt.PointingHandCursor
+        onClicked: root.expanded = !root.expanded
+
+        Row {
+            id: headerRow
+
+            anchors {
+                verticalCenter: parent.verticalCenter
+                left: parent.left
+                leftMargin: 10
+            }
+            width: parent.width
+            spacing: 8
+
+            Text {
+                text: root.isRedacted ? qsTr("Thinking (Redacted)")
+                                      : qsTr("Thinking")
+                font.pixelSize: 13
+                font.bold: true
+                color: palette.text
+            }
+
+            Text {
+                anchors.verticalCenter: parent.verticalCenter
+                text: root.expanded ? "▼" : "▶"
+                font.pixelSize: 10
+                color: palette.mid
+            }
+        }
+    }
+
+    Column {
+        id: contentColumn
+
+        anchors {
+            left: parent.left
+            right: parent.right
+            top: header.bottom
+            margins: 10
+        }
+        spacing: 8
+
+        Text {
+            visible: root.isRedacted
+            width: parent.width
+            text: qsTr("Thinking content was redacted by safety systems")
+            font.pixelSize: 11
+            font.italic: true
+            color: Qt.rgba(0.8, 0.4, 0.4, 1.0)
+            wrapMode: Text.WordWrap
+        }
+
+        TextEdit {
+            id: thinkingText
+
+            visible: !root.isRedacted
+            width: parent.width
+            text: root.thinkingContent
+            readOnly: true
+            selectByMouse: true
+            color: palette.text
+            wrapMode: Text.WordWrap
+            font.family: "monospace"
+            font.pixelSize: 11
+            selectionColor: palette.highlight
+        }
+
+        // Rectangle {
+        //     visible: root.signature.length > 0 && root.expanded
+        //     width: parent.width
+        //     height: signatureText.height + 10
+        //     color: palette.alternateBase
+        //     radius: 4
+
+        //     Text {
+        //         id: signatureText
+
+        //         anchors {
+        //             left: parent.left
+        //             right: parent.right
+        //             verticalCenter: parent.verticalCenter
+        //             margins: 5
+        //         }
+        //         text: qsTr("Signature: %1").arg(root.signature.substring(0, Math.min(40, root.signature.length)) + "...")
+        //         font.pixelSize: 9
+        //         font.family: "monospace"
+        //         color: palette.mid
+        //         elide: Text.ElideRight
+        //     }
+        // }
+    }
+
+    MouseArea {
+        anchors.fill: parent
+        acceptedButtons: Qt.RightButton
+        onClicked: contextMenu.open()
+        propagateComposedEvents: true
+    }
+
+    Platform.Menu {
+        id: contextMenu
+
+        Platform.MenuItem {
+            text: root.expanded ? qsTr("Collapse") : qsTr("Expand")
+            onTriggered: root.expanded = !root.expanded
+        }
+    }
+
+    Rectangle {
+        id: thinkingMarker
+
+        anchors.verticalCenter: parent.verticalCenter
+        width: 3
+        height: root.height - root.radius
+        color: root.isRedacted ? Qt.rgba(0.8, 0.3, 0.3, 0.9)
+                               : (root.color.hslLightness > 0.5 ? Qt.darker(palette.alternateBase, 1.3)
+                                                                : Qt.lighter(palette.alternateBase, 1.3))
+        radius: root.radius
+    }
+
+    states: [
+        State {
+            when: !root.expanded
+            PropertyChanges {
+                target: root
+                implicitHeight: header.height
+            }
+        },
+        State {
+            when: root.expanded
+            PropertyChanges {
+                target: root
+                implicitHeight: header.height + contentColumn.height + 20
+            }
+        }
+    ]
+}
+

ChatView/qml/chatparts/ToolBlock.qml

@@ -0,0 +1,146 @@
+// Copyright (C) 2025-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import QtQuick
+import Qt.labs.platform as Platform
+
+Rectangle {
+    id: root
+
+    property string toolContent: ""
+    property bool expanded: false
+
+    property alias headerOpacity: headerRow.opacity
+
+    readonly property int firstNewline: toolContent.indexOf('\n')
+    readonly property string toolName: firstNewline > 0 ? toolContent.substring(0, firstNewline) : toolContent
+    readonly property string toolResult: firstNewline > 0 ? toolContent.substring(firstNewline + 1) : ""
+
+    radius: 6
+    color: palette.base
+    clip: true
+
+    Behavior on implicitHeight {
+        NumberAnimation { duration: 200; easing.type: Easing.InOutQuad }
+    }
+
+    MouseArea {
+        id: header
+
+        width: parent.width
+        height: headerRow.height + 10
+        cursorShape: Qt.PointingHandCursor
+        onClicked: root.expanded = !root.expanded
+
+        Row {
+            id: headerRow
+
+            anchors {
+                verticalCenter: parent.verticalCenter
+                left: parent.left
+                leftMargin: 10
+            }
+            width: parent.width
+            spacing: 8
+
+            Text {
+                text: qsTr("Tool: %1").arg(root.toolName)
+                font.pixelSize: 13
+                font.bold: true
+                color: palette.text
+            }
+
+            Text {
+                anchors.verticalCenter: parent.verticalCenter
+                text: root.expanded ? "▼" : "▶"
+                font.pixelSize: 10
+                color: palette.mid
+            }
+        }
+    }
+
+    Column {
+        id: contentColumn
+
+        anchors {
+            left: parent.left
+            right: parent.right
+            top: header.bottom
+            margins: 10
+        }
+        spacing: 8
+
+        TextEdit {
+            id: resultText
+
+            width: parent.width
+            text: root.toolResult
+            readOnly: true
+            selectByMouse: true
+            color: palette.text
+            wrapMode: Text.WordWrap
+            font.family: "monospace"
+            font.pixelSize: 11
+            selectionColor: palette.highlight
+        }
+    }
+
+    MouseArea {
+        anchors.fill: parent
+        acceptedButtons: Qt.RightButton
+        onClicked: contextMenu.open()
+        propagateComposedEvents: true
+    }
+
+    Platform.Menu {
+        id: contextMenu
+
+        Platform.MenuItem {
+            text: qsTr("Copy")
+            enabled: resultText.selectedText.length > 0
+            onTriggered: resultText.copy()
+        }
+
+        Platform.MenuItem {
+            text: qsTr("Select All")
+            enabled: resultText.text.length > 0
+            onTriggered: resultText.selectAll()
+        }
+
+        Platform.MenuSeparator {}
+
+        Platform.MenuItem {
+            text: root.expanded ? qsTr("Collapse") : qsTr("Expand")
+            onTriggered: root.expanded = !root.expanded
+        }
+    }
+
+    Rectangle {
+        id: messageMarker
+
+        anchors.verticalCenter: parent.verticalCenter
+        width: 3
+        height: root.height - root.radius
+        color: root.color.hslLightness > 0.5 ? Qt.darker(palette.alternateBase, 1.3)
+                                             : Qt.lighter(palette.alternateBase, 1.3)
+        radius: root.radius
+    }
+
+
+    states: [
+        State {
+            when: !root.expanded
+            PropertyChanges {
+                target: root
+                implicitHeight: header.height
+            }
+        },
+        State {
+            when: root.expanded
+            PropertyChanges {
+                target: root
+                implicitHeight: header.height + contentColumn.height + 20
+            }
+        }
+    ]
+}

ChatView/qml/controls/AttachedFilesPlace.qml

@@ -0,0 +1,145 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+import ChatView
+import UIControls
+
+Flow {
+    id: root
+    
+    property alias attachedFilesModel: attachRepeater.model
+    property color accentColor: palette.mid
+    property string iconPath
+
+    signal removeFileFromListByIndex(index: int)
+
+    spacing: 5
+    leftPadding: 5
+    rightPadding: 5
+    topPadding: attachRepeater.model.length > 0 ? 2 : 0
+    bottomPadding: attachRepeater.model.length > 0 ? 2 : 0
+    
+    Repeater {
+        id: attachRepeater
+        
+        delegate: FileItem {
+            id: fileItem
+
+            required property int index
+            required property string modelData
+
+            filePath: modelData
+            
+            height: 30
+            width: contentRow.width + 10
+
+            Rectangle {
+                anchors.fill: parent
+                radius: 4
+                color: palette.button
+                border.width: 1
+                border.color: mouse.containsMouse ? palette.highlight : root.accentColor
+            }
+
+            MouseArea {
+                id: mouse
+
+                anchors.fill: parent
+                hoverEnabled: true
+                acceptedButtons: Qt.LeftButton | Qt.MiddleButton | Qt.RightButton
+                onClicked: (mouse) => {
+                    if (mouse.button === Qt.RightButton) {
+                        contextMenu.popup()
+                    } else if (mouse.button === Qt.MiddleButton ||
+                        (mouse.button === Qt.LeftButton && (mouse.modifiers & Qt.ControlModifier))) {
+                        root.removeFileFromListByIndex(fileItem.index)
+                    } else if (mouse.modifiers & Qt.ShiftModifier) {
+                        fileItem.openFileInExternalEditor()
+                    } else {
+                        fileItem.openFileInEditor()
+                    }
+                }
+
+                QoAToolTip {
+                    visible: mouse.containsMouse
+                    delay: 500
+                    text: "Click: Open in Qt Creator\nShift+Click: Open in external editor\nCtrl+Click / Middle Click: Remove"
+                }
+            }
+
+            Menu {
+                id: contextMenu
+
+                MenuItem {
+                    text: "Open in Qt Creator"
+                    onTriggered: fileItem.openFileInEditor()
+                }
+
+                MenuItem {
+                    text: "Open in External Editor"
+                    onTriggered: fileItem.openFileInExternalEditor()
+                }
+
+                MenuSeparator {}
+
+                MenuItem {
+                    text: "Remove"
+                    onTriggered: root.removeFileFromListByIndex(fileItem.index)
+                }
+            }
+            
+            Row {
+                id: contentRow
+
+                spacing: 5
+                anchors.verticalCenter: parent.verticalCenter
+                anchors.left: parent.left
+                anchors.leftMargin: 5
+
+                Image {
+                    id: icon
+
+                    anchors.verticalCenter: parent.verticalCenter
+                    source: root.iconPath
+                    sourceSize.width: 8
+                    sourceSize.height: 15
+                }
+                
+                Text {
+                    id: fileNameText
+                    
+                    anchors.verticalCenter: parent.verticalCenter
+                    color: palette.buttonText
+                    
+                    text: {
+                        const parts = modelData.split('/');
+                        return parts[parts.length - 1];
+                    }
+                }
+                
+                MouseArea {
+                    id: closeButton
+                    
+                    anchors.verticalCenter: parent.verticalCenter
+                    width: closeIcon.width + 5
+                    height: closeButton.width + 5
+                    
+                    onClicked: root.removeFileFromListByIndex(index)
+                    
+                    Image {
+                        id: closeIcon
+                        
+                        anchors.centerIn: parent
+                        source: palette.window.hslLightness > 0.5 ? "qrc:/qt/qml/ChatView/icons/close-dark.svg"
+                                                                  : "qrc:/qt/qml/ChatView/icons/close-light.svg"
+                        width: 6
+                        height: 6
+                    }
+                }
+            }
+        }
+    }
+}

ChatView/qml/controls/BottomBar.qml

@@ -0,0 +1,153 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+import ChatView
+import UIControls
+
+Rectangle {
+    id: root
+
+    property alias sendButton: sendButtonId
+    property alias syncOpenFiles: syncOpenFilesId
+    property alias attachFiles: attachFilesId
+    property alias attachImages: attachImagesId
+    property alias linkFiles: linkFilesId
+    property alias compressButton: compressButtonId
+    property alias cancelCompressButton: cancelCompressButtonId
+
+    property bool isCompressing: false
+
+    color: palette.window.hslLightness > 0.5 ?
+               Qt.darker(palette.window, 1.1) :
+               Qt.lighter(palette.window, 1.1)
+
+    RowLayout {
+        id: bottomBar
+
+        anchors {
+            left: parent.left
+            leftMargin: 5
+            right: parent.right
+            rightMargin: 5
+            verticalCenter: parent.verticalCenter
+        }
+
+        spacing: 10
+
+        QoAButton {
+            id: attachFilesId
+
+            icon {
+                source: "qrc:/qt/qml/ChatView/icons/attach-file-dark.svg"
+                height: 15
+                width: 8
+            }
+            ToolTip.visible: hovered
+            ToolTip.delay: 250
+            ToolTip.text: qsTr("Attach file to message")
+        }
+
+        QoAButton {
+            id: attachImagesId
+
+            icon {
+                source: "qrc:/qt/qml/ChatView/icons/image-dark.svg"
+                height: 15
+                width: 15
+            }
+            ToolTip.visible: hovered
+            ToolTip.delay: 250
+            ToolTip.text: qsTr("Attach image to message")
+        }
+
+        QoAButton {
+            id: linkFilesId
+
+            icon {
+                source: "qrc:/qt/qml/ChatView/icons/link-file-dark.svg"
+                height: 15
+                width: 8
+            }
+            ToolTip.visible: hovered
+            ToolTip.delay: 250
+            ToolTip.text: qsTr("Link file to context")
+        }
+
+        CheckBox {
+            id: syncOpenFilesId
+
+            text: qsTr("Sync open files")
+
+            ToolTip.visible: syncOpenFilesId.hovered
+            ToolTip.text: qsTr("Automatically synchronize currently opened files with the model context")
+        }
+
+        Item {
+            Layout.fillWidth: true
+        }
+
+        Row {
+            id: compressingRow
+
+            visible: root.isCompressing
+            spacing: 6
+
+            BusyIndicator {
+                id: compressBusyIndicator
+
+                anchors.verticalCenter: parent.verticalCenter
+                running: root.isCompressing
+                width: 16
+                height: 16
+            }
+
+            Text {
+                text: qsTr("Compressing...")
+                anchors.verticalCenter: parent.verticalCenter
+                color: palette.text
+                font.pixelSize: 12
+            }
+
+            QoAButton {
+                id: cancelCompressButtonId
+
+                anchors.verticalCenter: parent.verticalCenter
+                text: qsTr("Cancel")
+
+                ToolTip.visible: hovered
+                ToolTip.delay: 250
+                ToolTip.text: qsTr("Cancel compression")
+            }
+        }
+
+        QoAButton {
+            id: compressButtonId
+
+            visible: !root.isCompressing
+            text: qsTr("Compress")
+
+            icon {
+                source: "qrc:/qt/qml/ChatView/icons/compress-icon.svg"
+                height: 15
+                width: 15
+            }
+            ToolTip.visible: hovered
+            ToolTip.delay: 250
+            ToolTip.text: qsTr("Compress chat (create summarized copy using LLM)")
+        }
+
+        QoAButton {
+            id: sendButtonId
+
+            icon {
+                height: 15
+                width: 15
+            }
+            ToolTip.visible: hovered
+            ToolTip.delay: 250
+        }
+    }
+}

ChatView/qml/controls/ContextViewer.qml

@@ -0,0 +1,542 @@
+// Copyright (C) 2025-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+import QtQuick.Controls.Basic as QQC
+
+import UIControls
+import ChatView
+
+Popup {
+    id: root
+
+    property string baseSystemPrompt
+    property string currentAgentRole
+    property string currentAgentRoleDescription
+    property string currentAgentRoleSystemPrompt
+    property var activeRules
+    property int activeRulesCount
+    property string selectedRuleContent
+
+    signal openSettings()
+    signal openAgentRolesSettings()
+    signal openRulesFolder()
+    signal refreshRules()
+    signal ruleSelected(int index)
+
+    modal: true
+    focus: true
+    closePolicy: Popup.CloseOnEscape | Popup.CloseOnPressOutside
+
+    background: Rectangle {
+        color: palette.window
+        border.color: palette.mid
+        border.width: 1
+        radius: 4
+    }
+
+    ChatUtils {
+        id: utils
+    }
+
+    ColumnLayout {
+        anchors.fill: parent
+        anchors.margins: 10
+        spacing: 8
+
+        RowLayout {
+            Layout.fillWidth: true
+            spacing: 10
+
+            Text {
+                text: qsTr("Chat Context")
+                font.pixelSize: 16
+                font.bold: true
+                color: palette.text
+                Layout.fillWidth: true
+            }
+
+            QoAButton {
+                text: qsTr("Refresh")
+                onClicked: root.refreshRules()
+            }
+
+            QoAButton {
+                text: qsTr("Close")
+                onClicked: root.close()
+            }
+        }
+
+        Rectangle {
+            Layout.fillWidth: true
+            height: 1
+            color: palette.mid
+        }
+
+        Flickable {
+            id: mainFlickable
+
+            Layout.fillWidth: true
+            Layout.fillHeight: true
+            contentHeight: sectionsColumn.implicitHeight
+            clip: true
+            boundsBehavior: Flickable.StopAtBounds
+
+            ColumnLayout {
+                id: sectionsColumn
+
+                width: mainFlickable.width
+                spacing: 8
+
+                CollapsibleSection {
+                    id: systemPromptSection
+
+                    Layout.fillWidth: true
+                    title: qsTr("Base System Prompt")
+                    badge: root.baseSystemPrompt.length > 0 ? qsTr("Active") : qsTr("Empty")
+                    badgeColor: root.baseSystemPrompt.length > 0 ? Qt.rgba(0.2, 0.6, 0.3, 1.0) : palette.mid
+
+                    sectionContent: ColumnLayout {
+                        spacing: 5
+
+                        Rectangle {
+                            Layout.fillWidth: true
+                            Layout.preferredHeight: Math.min(Math.max(systemPromptText.implicitHeight + 16, 50), 200)
+                            color: palette.base
+                            border.color: palette.mid
+                            border.width: 1
+                            radius: 2
+
+                            Flickable {
+                                id: systemPromptFlickable
+
+                                anchors.fill: parent
+                                anchors.margins: 8
+                                contentHeight: systemPromptText.implicitHeight
+                                clip: true
+                                boundsBehavior: Flickable.StopAtBounds
+
+                                TextEdit {
+                                    id: systemPromptText
+
+                                    width: systemPromptFlickable.width
+                                    text: root.baseSystemPrompt.length > 0 ? root.baseSystemPrompt : qsTr("No system prompt configured")
+                                    readOnly: true
+                                    selectByMouse: true
+                                    wrapMode: Text.WordWrap
+                                    color: root.baseSystemPrompt.length > 0 ? palette.text : palette.mid
+                                    font.family: "monospace"
+                                    font.pixelSize: 11
+                                }
+
+                                QQC.ScrollBar.vertical: QQC.ScrollBar {
+                                    policy: systemPromptFlickable.contentHeight > systemPromptFlickable.height ? QQC.ScrollBar.AsNeeded : QQC.ScrollBar.AlwaysOff
+                                }
+                            }
+                        }
+
+                        RowLayout {
+                            Layout.fillWidth: true
+
+                            Item { Layout.fillWidth: true }
+
+                            QoAButton {
+                                text: qsTr("Copy")
+                                enabled: root.baseSystemPrompt.length > 0
+                                onClicked: utils.copyToClipboard(root.baseSystemPrompt)
+                            }
+
+                            QoAButton {
+                                text: qsTr("Edit in Settings")
+                                onClicked: {
+                                    root.openSettings()
+                                    root.close()
+                                }
+                            }
+                        }
+                    }
+                }
+
+                CollapsibleSection {
+                    id: agentRoleSection
+
+                    Layout.fillWidth: true
+                    title: qsTr("Agent Role")
+                    badge: root.currentAgentRole
+                    badgeColor: root.currentAgentRoleSystemPrompt.length > 0 ? Qt.rgba(0.3, 0.4, 0.7, 1.0) : palette.mid
+
+                    sectionContent: ColumnLayout {
+                        spacing: 8
+
+                        Text {
+                            text: root.currentAgentRoleDescription
+                            font.pixelSize: 11
+                            font.italic: true
+                            color: palette.mid
+                            wrapMode: Text.WordWrap
+                            Layout.fillWidth: true
+                            visible: root.currentAgentRoleDescription.length > 0
+                        }
+
+                        Rectangle {
+                            Layout.fillWidth: true
+                            Layout.preferredHeight: Math.min(Math.max(agentPromptText.implicitHeight + 16, 50), 200)
+                            color: palette.base
+                            border.color: palette.mid
+                            border.width: 1
+                            radius: 2
+                            visible: root.currentAgentRoleSystemPrompt.length > 0
+
+                            Flickable {
+                                id: agentPromptFlickable
+
+                                anchors.fill: parent
+                                anchors.margins: 8
+                                contentHeight: agentPromptText.implicitHeight
+                                clip: true
+                                boundsBehavior: Flickable.StopAtBounds
+
+                                TextEdit {
+                                    id: agentPromptText
+
+                                    width: agentPromptFlickable.width
+                                    text: root.currentAgentRoleSystemPrompt
+                                    readOnly: true
+                                    selectByMouse: true
+                                    wrapMode: Text.WordWrap
+                                    color: palette.text
+                                    font.family: "monospace"
+                                    font.pixelSize: 11
+                                }
+
+                                QQC.ScrollBar.vertical: QQC.ScrollBar {
+                                    policy: agentPromptFlickable.contentHeight > agentPromptFlickable.height ? QQC.ScrollBar.AsNeeded : QQC.ScrollBar.AlwaysOff
+                                }
+                            }
+                        }
+
+                        Text {
+                            text: qsTr("No role selected. Using base system prompt only.")
+                            font.pixelSize: 11
+                            color: palette.mid
+                            wrapMode: Text.WordWrap
+                            Layout.fillWidth: true
+                            visible: root.currentAgentRoleSystemPrompt.length === 0
+                        }
+
+                        RowLayout {
+                            Layout.fillWidth: true
+
+                            Item { Layout.fillWidth: true }
+
+                            QoAButton {
+                                text: qsTr("Copy")
+                                enabled: root.currentAgentRoleSystemPrompt.length > 0
+                                onClicked: utils.copyToClipboard(root.currentAgentRoleSystemPrompt)
+                            }
+
+                            QoAButton {
+                                text: qsTr("Manage Roles")
+                                onClicked: {
+                                    root.openAgentRolesSettings()
+                                    root.close()
+                                }
+                            }
+                        }
+                    }
+                }
+
+                CollapsibleSection {
+                    id: projectRulesSection
+
+                    Layout.fillWidth: true
+                    title: qsTr("Project Rules")
+                    badge: root.activeRulesCount > 0 ? qsTr("%1 active").arg(root.activeRulesCount) : qsTr("None")
+                    badgeColor: root.activeRulesCount > 0 ? Qt.rgba(0.6, 0.5, 0.2, 1.0) : palette.mid
+
+                    sectionContent: ColumnLayout {
+                        spacing: 8
+
+                        SplitView {
+                            Layout.fillWidth: true
+                            Layout.preferredHeight: 220
+                            orientation: Qt.Horizontal
+                            visible: root.activeRulesCount > 0
+
+                            Rectangle {
+                                SplitView.minimumWidth: 120
+                                SplitView.preferredWidth: 180
+                                color: palette.base
+                                border.color: palette.mid
+                                border.width: 1
+                                radius: 2
+
+                                ColumnLayout {
+                                    anchors.fill: parent
+                                    anchors.margins: 5
+                                    spacing: 5
+
+                                    Text {
+                                        text: qsTr("Rules (%1)").arg(rulesList.count)
+                                        font.pixelSize: 11
+                                        font.bold: true
+                                        color: palette.text
+                                        Layout.fillWidth: true
+                                    }
+
+                                    ListView {
+                                        id: rulesList
+
+                                        Layout.fillWidth: true
+                                        Layout.fillHeight: true
+                                        clip: true
+                                        model: root.activeRules
+                                        currentIndex: 0
+                                        boundsBehavior: Flickable.StopAtBounds
+
+                                        delegate: ItemDelegate {
+                                            required property var modelData
+                                            required property int index
+
+                                            width: ListView.view.width
+                                            height: ruleItemContent.implicitHeight + 8
+                                            highlighted: ListView.isCurrentItem
+
+                                            background: Rectangle {
+                                                color: {
+                                                    if (parent.highlighted)
+                                                        return palette.highlight
+                                                    if (parent.hovered)
+                                                        return Qt.tint(palette.base, Qt.rgba(0, 0, 0, 0.05))
+                                                    return "transparent"
+                                                }
+                                                radius: 2
+                                            }
+
+                                            contentItem: ColumnLayout {
+                                                id: ruleItemContent
+                                                spacing: 2
+
+                                                Text {
+                                                    text: modelData.fileName
+                                                    font.pixelSize: 10
+                                                    color: parent.parent.highlighted ? palette.highlightedText : palette.text
+                                                    elide: Text.ElideMiddle
+                                                    Layout.fillWidth: true
+                                                }
+
+                                                Text {
+                                                    text: modelData.category
+                                                    font.pixelSize: 9
+                                                    color: parent.parent.highlighted ? palette.highlightedText : palette.mid
+                                                    Layout.fillWidth: true
+                                                }
+                                            }
+
+                                            onClicked: {
+                                                rulesList.currentIndex = index
+                                                root.ruleSelected(index)
+                                            }
+                                        }
+
+                                        QQC.ScrollBar.vertical: QQC.ScrollBar {
+                                            policy: rulesList.contentHeight > rulesList.height ? QQC.ScrollBar.AsNeeded : QQC.ScrollBar.AlwaysOff
+                                        }
+                                    }
+                                }
+                            }
+
+                            Rectangle {
+                                SplitView.fillWidth: true
+                                SplitView.minimumWidth: 200
+                                color: palette.base
+                                border.color: palette.mid
+                                border.width: 1
+                                radius: 2
+
+                                ColumnLayout {
+                                    anchors.fill: parent
+                                    anchors.margins: 5
+                                    spacing: 5
+
+                                    RowLayout {
+                                        Layout.fillWidth: true
+                                        spacing: 5
+
+                                        Text {
+                                            text: qsTr("Content")
+                                            font.pixelSize: 11
+                                            font.bold: true
+                                            color: palette.text
+                                            Layout.fillWidth: true
+                                        }
+
+                                        QoAButton {
+                                            text: qsTr("Copy")
+                                            enabled: root.selectedRuleContent.length > 0
+                                            onClicked: utils.copyToClipboard(root.selectedRuleContent)
+                                        }
+                                    }
+
+                                    Flickable {
+                                        id: ruleContentFlickable
+
+                                        Layout.fillWidth: true
+                                        Layout.fillHeight: true
+                                        contentHeight: ruleContentArea.implicitHeight
+                                        clip: true
+                                        boundsBehavior: Flickable.StopAtBounds
+
+                                        TextEdit {
+                                            id: ruleContentArea
+
+                                            width: ruleContentFlickable.width
+                                            text: root.selectedRuleContent
+                                            readOnly: true
+                                            selectByMouse: true
+                                            wrapMode: Text.WordWrap
+                                            selectionColor: palette.highlight
+                                            color: palette.text
+                                            font.family: "monospace"
+                                            font.pixelSize: 11
+                                        }
+
+                                        QQC.ScrollBar.vertical: QQC.ScrollBar {
+                                            policy: ruleContentFlickable.contentHeight > ruleContentFlickable.height ? QQC.ScrollBar.AsNeeded : QQC.ScrollBar.AlwaysOff
+                                        }
+                                    }
+                                }
+                            }
+                        }
+
+                        Text {
+                            text: qsTr("No project rules found.\nCreate .md files in .qodeassist/rules/common/ or .qodeassist/rules/chat/")
+                            font.pixelSize: 11
+                            color: palette.mid
+                            wrapMode: Text.WordWrap
+                            horizontalAlignment: Text.AlignHCenter
+                            Layout.fillWidth: true
+                            visible: root.activeRulesCount === 0
+                        }
+
+                        RowLayout {
+                            Layout.fillWidth: true
+
+                            Item { Layout.fillWidth: true }
+
+                            QoAButton {
+                                text: qsTr("Open Rules Folder")
+                                onClicked: root.openRulesFolder()
+                            }
+                        }
+                    }
+                }
+            }
+
+            QQC.ScrollBar.vertical: QQC.ScrollBar {
+                policy: mainFlickable.contentHeight > mainFlickable.height ? QQC.ScrollBar.AsNeeded : QQC.ScrollBar.AlwaysOff
+            }
+        }
+
+        Rectangle {
+            Layout.fillWidth: true
+            height: 1
+            color: palette.mid
+        }
+
+        Text {
+            text: qsTr("Final prompt: Base System Prompt + Agent Role + Project Info + Project Rules + Linked Files")
+            font.pixelSize: 9
+            color: palette.mid
+            wrapMode: Text.WordWrap
+            Layout.fillWidth: true
+        }
+    }
+
+    component CollapsibleSection: ColumnLayout {
+        id: sectionRoot
+
+        property string title
+        property string badge
+        property color badgeColor: palette.mid
+        property Component sectionContent: null
+        property bool expanded: false
+
+        spacing: 0
+
+        Rectangle {
+            Layout.fillWidth: true
+            Layout.preferredHeight: 32
+            color: sectionMouseArea.containsMouse ? Qt.tint(palette.button, Qt.rgba(0, 0, 0, 0.05)) : palette.button
+            border.color: palette.mid
+            border.width: 1
+            radius: 2
+
+            MouseArea {
+                id: sectionMouseArea
+
+                anchors.fill: parent
+                hoverEnabled: true
+                cursorShape: Qt.PointingHandCursor
+                onClicked: sectionRoot.expanded = !sectionRoot.expanded
+            }
+
+            RowLayout {
+                anchors.fill: parent
+                anchors.leftMargin: 8
+                anchors.rightMargin: 8
+                spacing: 8
+
+                Text {
+                    text: sectionRoot.expanded ? "▼" : "▶"
+                    font.pixelSize: 10
+                    color: palette.text
+                }
+
+                Text {
+                    text: sectionRoot.title
+                    font.pixelSize: 12
+                    font.bold: true
+                    color: palette.text
+                    Layout.fillWidth: true
+                }
+
+                Rectangle {
+                    implicitWidth: badgeText.implicitWidth + 12
+                    implicitHeight: 18
+                    color: sectionRoot.badgeColor
+                    radius: 3
+
+                    Text {
+                        id: badgeText
+
+                        anchors.centerIn: parent
+                        text: sectionRoot.badge
+                        font.pixelSize: 10
+                        color: "#FFFFFF"
+                    }
+                }
+            }
+        }
+
+        Loader {
+            id: contentLoader
+
+            Layout.fillWidth: true
+            Layout.leftMargin: 12
+            Layout.topMargin: 8
+            Layout.bottomMargin: 4
+            sourceComponent: sectionRoot.sectionContent
+            visible: sectionRoot.expanded
+            active: sectionRoot.expanded
+        }
+    }
+
+    onOpened: {
+        if (root.activeRulesCount > 0) {
+            root.ruleSelected(0)
+        }
+    }
+}

ChatView/qml/controls/FileEditsActionBar.qml

@@ -0,0 +1,145 @@
+// Copyright (C) 2025-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+import UIControls
+
+Rectangle {
+    id: root
+
+    property int totalEdits: 0
+    property int appliedEdits: 0
+    property int pendingEdits: 0
+    property int rejectedEdits: 0
+    property bool hasAppliedEdits: appliedEdits > 0
+    property bool hasRejectedEdits: rejectedEdits > 0
+    property bool hasPendingEdits: pendingEdits > 0
+
+    signal applyAllClicked()
+    signal undoAllClicked()
+
+    visible: totalEdits > 0
+    implicitHeight: visible ? 40 : 0
+
+    color: palette.window.hslLightness > 0.5 ?
+               Qt.darker(palette.window, 1.05) :
+               Qt.lighter(palette.window, 1.05)
+
+    border.width: 1
+    border.color: palette.mid
+
+    Behavior on implicitHeight {
+        NumberAnimation {
+            duration: 200
+            easing.type: Easing.InOutQuad
+        }
+    }
+
+    RowLayout {
+        anchors {
+            left: parent.left
+            leftMargin: 10
+            right: parent.right
+            rightMargin: 10
+            verticalCenter: parent.verticalCenter
+        }
+        spacing: 10
+
+        Rectangle {
+            Layout.preferredWidth: 24
+            Layout.preferredHeight: 24
+            radius: 12
+            color: {
+                if (root.hasPendingEdits) return Qt.rgba(0.2, 0.6, 1.0, 0.2)
+                if (root.hasAppliedEdits) return Qt.rgba(0.2, 0.8, 0.2, 0.2)
+                return Qt.rgba(0.8, 0.6, 0.2, 0.2)
+            }
+            border.width: 2
+            border.color: {
+                if (root.hasPendingEdits) return Qt.rgba(0.2, 0.6, 1.0, 0.8)
+                if (root.hasAppliedEdits) return Qt.rgba(0.2, 0.8, 0.2, 0.8)
+                return Qt.rgba(0.8, 0.6, 0.2, 0.8)
+            }
+
+            Text {
+                anchors.centerIn: parent
+                text: root.totalEdits
+                font.pixelSize: 10
+                font.bold: true
+                color: palette.text
+            }
+        }
+
+        // Status text
+        ColumnLayout {
+            spacing: 2
+
+            Text {
+                text: root.totalEdits === 1 
+                    ? qsTr("File Edit in Current Message")
+                    : qsTr("%1 File Edits in Current Message").arg(root.totalEdits)
+                font.pixelSize: 11
+                font.bold: true
+                color: palette.text
+            }
+
+            Text {
+                visible: root.totalEdits > 0
+                text: {
+                    let parts = [];
+                    if (root.appliedEdits > 0) {
+                        parts.push(qsTr("%1 applied").arg(root.appliedEdits));
+                    }
+                    if (root.pendingEdits > 0) {
+                        parts.push(qsTr("%1 pending").arg(root.pendingEdits));
+                    }
+                    if (root.rejectedEdits > 0) {
+                        parts.push(qsTr("%1 rejected").arg(root.rejectedEdits));
+                    }
+                    return parts.join(", ");
+                }
+                font.pixelSize: 9
+                color: palette.mid
+            }
+        }
+
+        Item {
+            Layout.fillWidth: true
+        }
+
+        QoAButton {
+            id: applyAllButton
+
+            visible: root.hasPendingEdits || root.hasRejectedEdits
+            enabled: root.hasPendingEdits || root.hasRejectedEdits
+            text: root.hasPendingEdits 
+                ? qsTr("Apply All (%1)").arg(root.pendingEdits + root.rejectedEdits)
+                : qsTr("Reapply All (%1)").arg(root.rejectedEdits)
+            
+            ToolTip.visible: hovered
+            ToolTip.delay: 250
+            ToolTip.text: root.hasPendingEdits
+                ? qsTr("Apply all pending and rejected edits in this message")
+                : qsTr("Reapply all rejected edits in this message")
+
+            onClicked: root.applyAllClicked()
+        }
+
+        QoAButton {
+            id: undoAllButton
+
+            visible: root.hasAppliedEdits
+            enabled: root.hasAppliedEdits
+            text: qsTr("Undo All (%1)").arg(root.appliedEdits)
+            
+            ToolTip.visible: hovered
+            ToolTip.delay: 250
+            ToolTip.text: qsTr("Undo all applied edits in this message")
+
+            onClicked: root.undoAllClicked()
+        }
+    }
+}
+

ChatView/qml/controls/FileMentionPopup.qml

@@ -0,0 +1,151 @@
+// Copyright (C) 2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+
+FileMentionItem {
+    id: root
+
+    signal selectionRequested()
+
+    visible: searchResults.length > 0
+    height: Math.min(searchResults.length * 36, 36 * 6) + 2
+
+    onCurrentIndexChanged: {
+        listView.positionViewAtIndex(root.currentIndex, ListView.Contain)
+    }
+
+    Rectangle {
+        id: background
+
+        anchors.fill: parent
+        color: palette.window
+        border.color: palette.mid
+        border.width: 1
+        radius: 4
+    }
+
+    ListView {
+        id: listView
+
+        anchors.fill: parent
+        anchors.margins: 1
+        model: root.searchResults
+        currentIndex: root.currentIndex
+        clip: true
+
+        ScrollBar.vertical: ScrollBar {
+            policy: ScrollBar.AsNeeded
+        }
+
+        delegate: Rectangle {
+            id: delegateItem
+
+            required property int index
+            required property var modelData
+
+            readonly property bool isProject: modelData.isProject === true
+            readonly property bool isOpen: modelData.isOpen === true
+            readonly property string fileName: {
+                if (isProject)
+                    return modelData.projectName
+                const parts = modelData.relativePath.split('/')
+                return parts[parts.length - 1]
+            }
+
+            width: listView.width
+            height: 36
+            color: index === root.currentIndex
+                   ? palette.highlight
+                   : (hoverArea.containsMouse
+                      ? Qt.rgba(palette.highlight.r, palette.highlight.g, palette.highlight.b, 0.25)
+                      : "transparent")
+
+            RowLayout {
+                anchors.fill: parent
+                anchors.leftMargin: 10
+                anchors.rightMargin: 10
+                spacing: 8
+
+                Item {
+                    Layout.preferredWidth: 18
+                    Layout.preferredHeight: 18
+
+                    Rectangle {
+                        anchors.fill: parent
+                        radius: 3
+                        visible: delegateItem.isProject || delegateItem.isOpen
+
+                        color: {
+                            if (delegateItem.index === root.currentIndex)
+                                return Qt.rgba(palette.highlightedText.r,
+                                               palette.highlightedText.g,
+                                               palette.highlightedText.b, 0.2)
+                            if (delegateItem.isProject)
+                                return Qt.rgba(palette.highlight.r,
+                                               palette.highlight.g,
+                                               palette.highlight.b, 0.3)
+                            return Qt.rgba(0.2, 0.7, 0.4, 0.3)
+                        }
+
+                        Text {
+                            anchors.centerIn: parent
+                            text: delegateItem.isProject ? "P" : "O"
+                            font.bold: true
+                            font.pixelSize: 10
+                            color: {
+                                if (delegateItem.index === root.currentIndex)
+                                    return palette.highlightedText
+                                if (delegateItem.isProject)
+                                    return palette.highlight
+                                return Qt.rgba(0.1, 0.6, 0.3, 1.0)
+                            }
+                        }
+                    }
+                }
+
+                Text {
+                    Layout.preferredWidth: 160
+                    text: delegateItem.fileName
+                    color: delegateItem.index === root.currentIndex
+                           ? palette.highlightedText
+                           : (delegateItem.isProject ? palette.highlight : palette.text)
+                    font.bold: true
+                    font.italic: delegateItem.isProject
+                    elide: Text.ElideRight
+                }
+
+                Text {
+                    Layout.fillWidth: true
+                    text: delegateItem.isProject
+                          ? "→"
+                          : (delegateItem.modelData.projectName + " / " + delegateItem.modelData.relativePath)
+                    color: delegateItem.index === root.currentIndex
+                           ? (delegateItem.isProject
+                              ? palette.highlightedText
+                              : Qt.rgba(palette.highlightedText.r,
+                                        palette.highlightedText.g,
+                                        palette.highlightedText.b, 0.7))
+                           : palette.mid
+                    font.pixelSize: delegateItem.isProject ? 12 : 11
+                    elide: Text.ElideLeft
+                    horizontalAlignment: delegateItem.isProject ? Text.AlignLeft : Text.AlignRight
+                }
+            }
+
+            MouseArea {
+                id: hoverArea
+
+                anchors.fill: parent
+                hoverEnabled: true
+                onClicked: {
+                    root.currentIndex = delegateItem.index
+                    root.selectionRequested()
+                }
+                onEntered: root.currentIndex = delegateItem.index
+            }
+        }
+    }
+}

ChatView/qml/controls/SplitDropZone.qml

@@ -0,0 +1,275 @@
+// Copyright (C) 2025-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import QtQuick
+import QtQuick.Controls
+
+Item {
+    id: root
+
+    signal filesDroppedToAttach(var urlStrings)
+    signal filesDroppedToLink(var urlStrings)
+
+    property string activeZone: ""
+    property int filesCount: 0
+    property bool isDragActive: false
+
+    Item {
+        id: splitDropOverlay
+
+        anchors.fill: parent
+        visible: false
+        z: 999
+        opacity: 0
+
+        Behavior on opacity {
+            NumberAnimation { duration: 200; easing.type: Easing.InOutQuad }
+        }
+
+        Rectangle {
+            anchors.fill: parent
+            color: Qt.rgba(palette.shadow.r, palette.shadow.g, palette.shadow.b, 0.6)
+        }
+
+        Rectangle {
+            anchors {
+                top: parent.top
+                horizontalCenter: parent.horizontalCenter
+                topMargin: 30
+            }
+            width: fileCountText.width + 40
+            height: 50
+            color: Qt.rgba(palette.highlight.r, palette.highlight.g, palette.highlight.b, 0.9)
+            radius: 25
+            visible: root.filesCount > 0
+            
+            Text {
+                id: fileCountText
+                anchors.centerIn: parent
+                text: qsTr("%n file(s) to drop", "", root.filesCount)
+                font.pixelSize: 16
+                font.bold: true
+                color: palette.highlightedText
+            }
+        }
+
+        Rectangle {
+            id: leftZone
+
+            anchors {
+                left: parent.left
+                top: parent.top
+                bottom: parent.bottom
+            }
+            width: parent.width / 2
+            color: root.activeZone === "left"
+                   ? Qt.rgba(palette.highlight.r, palette.highlight.g, palette.highlight.b, 0.3)
+                   : Qt.rgba(palette.mid.r, palette.mid.g, palette.mid.b, 0.15)
+            border.width: root.activeZone === "left" ? 3 : 2
+            border.color: root.activeZone === "left"
+                          ? palette.highlight
+                          : Qt.rgba(palette.mid.r, palette.mid.g, palette.mid.b, 0.5)
+
+            Column {
+                anchors.centerIn: parent
+                spacing: 15
+
+                Text {
+                    anchors.horizontalCenter: parent.horizontalCenter
+                    text: qsTr("Attach")
+                    font.pixelSize: 24
+                    font.bold: true
+                    color: root.activeZone === "left" ? palette.highlightedText : palette.text
+                }
+
+                Text {
+                    anchors.horizontalCenter: parent.horizontalCenter
+                    text: qsTr("Images & Text Files")
+                    font.pixelSize: 14
+                    color: root.activeZone === "left" ? palette.highlightedText : palette.text
+                    opacity: 0.8
+                }
+                
+                Text {
+                    anchors.horizontalCenter: parent.horizontalCenter
+                    text: qsTr("(for one-time use)")
+                    font.pixelSize: 12
+                    font.italic: true
+                    color: root.activeZone === "left" ? palette.highlightedText : palette.text
+                    opacity: 0.6
+                }
+            }
+
+            Behavior on color { ColorAnimation { duration: 150 } }
+            Behavior on border.width { NumberAnimation { duration: 150 } }
+            Behavior on border.color { ColorAnimation { duration: 150 } }
+        }
+
+        Rectangle {
+            id: rightZone
+
+            anchors {
+                right: parent.right
+                top: parent.top
+                bottom: parent.bottom
+            }
+            width: parent.width / 2
+            color: root.activeZone === "right"
+                   ? Qt.rgba(palette.highlight.r, palette.highlight.g, palette.highlight.b, 0.3)
+                   : Qt.rgba(palette.mid.r, palette.mid.g, palette.mid.b, 0.15)
+            border.width: root.activeZone === "right" ? 3 : 2
+            border.color: root.activeZone === "right"
+                          ? palette.highlight
+                          : Qt.rgba(palette.mid.r, palette.mid.g, palette.mid.b, 0.5)
+
+            Column {
+                anchors.centerIn: parent
+                spacing: 15
+
+                Text {
+                    anchors.horizontalCenter: parent.horizontalCenter
+                    text: qsTr("LINK")
+                    font.pixelSize: 24
+                    font.bold: true
+                    color: root.activeZone === "right" ? palette.highlightedText : palette.text
+                }
+
+                Text {
+                    anchors.horizontalCenter: parent.horizontalCenter
+                    text: qsTr("Text Files")
+                    font.pixelSize: 14
+                    color: root.activeZone === "right" ? palette.highlightedText : palette.text
+                    opacity: 0.8
+                }
+                
+                Text {
+                    anchors.horizontalCenter: parent.horizontalCenter
+                    text: qsTr("(added to context)")
+                    font.pixelSize: 12
+                    font.italic: true
+                    color: root.activeZone === "right" ? palette.highlightedText : palette.text
+                    opacity: 0.6
+                }
+            }
+
+            Behavior on color { ColorAnimation { duration: 150 } }
+            Behavior on border.width { NumberAnimation { duration: 150 } }
+            Behavior on border.color { ColorAnimation { duration: 150 } }
+        }
+
+        Rectangle {
+            anchors {
+                horizontalCenter: parent.horizontalCenter
+                top: parent.top
+                bottom: parent.bottom
+            }
+            width: 2
+            color: palette.mid
+            opacity: 0.4
+        }
+
+        MouseArea {
+            id: leftDropArea
+
+            anchors {
+                left: parent.left
+                top: parent.top
+                bottom: parent.bottom
+            }
+            width: parent.width / 2
+            hoverEnabled: true
+
+            onEntered: {
+                root.activeZone = "left"
+            }
+        }
+
+        MouseArea {
+            id: rightDropArea
+
+            anchors {
+                right: parent.right
+                top: parent.top
+                bottom: parent.bottom
+            }
+            width: parent.width / 2
+            hoverEnabled: true
+
+            onEntered: {
+                root.activeZone = "right"
+            }
+        }
+    }
+
+    DropArea {
+        id: globalDropArea
+
+        anchors.fill: parent
+        
+        onEntered: (drag) => {
+                       if (drag.hasUrls) {
+                           root.isDragActive = true
+                           root.filesCount = drag.urls.length
+                           splitDropOverlay.visible = true
+                           splitDropOverlay.opacity = 1
+                           root.activeZone = ""
+                       }
+                   }
+
+        onExited: {
+            root.isDragActive = false
+            root.filesCount = 0
+            splitDropOverlay.opacity = 0
+
+            Qt.callLater(function() {
+                if (!root.isDragActive) {
+                    splitDropOverlay.visible = false
+                    root.activeZone = ""
+                }
+            })
+        }
+
+        onPositionChanged: (drag) => {
+                               if (drag.hasUrls) {
+                                   root.activeZone = drag.x < globalDropArea.width / 2 ? "left" : "right"
+                               }
+                           }
+
+        onDropped: (drop) => {
+                       const targetZone = root.activeZone
+                       root.isDragActive = false
+                       root.filesCount = 0
+                       splitDropOverlay.opacity = 0
+
+                       Qt.callLater(function() {
+                           splitDropOverlay.visible = false
+                           root.activeZone = ""
+                       })
+
+                       if (!drop.hasUrls || drop.urls.length === 0) {
+                           return
+                       }
+
+                       var urlStrings = []
+                       for (var i = 0; i < drop.urls.length; i++) {
+                           var urlString = drop.urls[i].toString()
+                           if (urlString.startsWith("file://") || urlString.indexOf("://") === -1) {
+                               urlStrings.push(urlString)
+                           }
+                       }
+
+                       if (urlStrings.length === 0) {
+                           return
+                       }
+
+                       drop.accept(Qt.CopyAction)
+
+                       if (targetZone === "right") {
+                           root.filesDroppedToLink(urlStrings)
+                       } else {
+                           root.filesDroppedToAttach(urlStrings)
+                       }
+                   }
+    }
+}
+

ChatView/qml/controls/Toast.qml

@@ -0,0 +1,87 @@
+// Copyright (C) 2025-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import QtQuick
+
+Rectangle {
+    id: root
+
+    property alias toastTextItem: textItem
+    property alias toastTextColor: textItem.color
+
+    property string errorText: ""
+    property int displayDuration: 7000
+
+    width: Math.min(parent.width - 40, textItem.implicitWidth + radius)
+    height: visible ? (textItem.implicitHeight + 12) : 0
+    anchors.horizontalCenter: parent.horizontalCenter
+    anchors.top: parent.top
+    anchors.topMargin: 10
+
+    color: "#d32f2f"
+    radius: height / 2
+    border.color: "#b71c1c"
+    border.width: 1
+    visible: false
+    opacity: 0
+
+    TextEdit {
+        id: textItem
+
+        anchors.centerIn: parent
+        anchors.margins: 6
+        text: root.errorText
+        color: palette.text
+        font.pixelSize: 13
+        wrapMode: TextEdit.Wrap
+        width: Math.min(implicitWidth, root.parent.width - 60)
+        horizontalAlignment: TextEdit.AlignHCenter
+        readOnly: true
+        selectByMouse: true
+        selectByKeyboard: true
+        selectionColor: "#b71c1c"
+    }
+
+    function show(message) {
+        errorText = message
+        visible = true
+        showAnimation.start()
+        hideTimer.restart()
+    }
+
+    function hide() {
+        hideAnimation.start()
+    }
+
+    NumberAnimation {
+        id: showAnimation
+
+        target: root
+        property: "opacity"
+        from: 0
+        to: 1
+        duration: 200
+        easing.type: Easing.OutQuad
+    }
+
+    NumberAnimation {
+        id: hideAnimation
+
+        target: root
+        property: "opacity"
+        from: 1
+        to: 0
+        duration: 200
+        easing.type: Easing.InQuad
+        onFinished: root.visible = false
+    }
+
+    Timer {
+        id: hideTimer
+
+        interval: root.displayDuration
+        running: false
+        repeat: false
+        onTriggered: root.hide()
+    }
+}

ChatView/qml/controls/TopBar.qml

@@ -0,0 +1,280 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import QtQuick
+import QtQuick.Layouts
+import QtQuick.Controls
+import ChatView
+import UIControls
+
+Rectangle {
+    id: root
+
+    property alias saveButton: saveButtonId
+    property alias loadButton: loadButtonId
+    property alias clearButton: clearButtonId
+    property alias tokensBadge: tokensBadgeId
+    property alias recentPath: recentPathId
+    property alias openChatHistory: openChatHistoryId
+    property alias pinButton: pinButtonId
+    property alias contextButton: contextButtonId
+    property alias toolsButton: toolsButtonId
+    property alias thinkingMode: thinkingModeId
+    property alias settingsButton: settingsButtonId
+    property alias configSelector: configSelectorId
+    property alias roleSelector: roleSelector
+
+    color: palette.window.hslLightness > 0.5 ?
+               Qt.darker(palette.window, 1.1) :
+               Qt.lighter(palette.window, 1.1)
+
+    Flow {
+        anchors {
+            left: parent.left
+            right: parent.right
+            verticalCenter: parent.verticalCenter
+            margins: 5
+        }
+        spacing: 10
+
+        Row {
+            id: firstRow
+
+            spacing: 10
+
+            QoAButton {
+                id: pinButtonId
+
+                anchors.verticalCenter: parent.verticalCenter
+                checkable: true
+
+                icon {
+                    source: checked ? "qrc:/qt/qml/ChatView/icons/window-lock.svg"
+                                    : "qrc:/qt/qml/ChatView/icons/window-unlock.svg"
+                    color: palette.window.hslLightness > 0.5 ? "#000000" : "#FFFFFF"
+                    height: 15
+                    width: 15
+                }
+                ToolTip.visible: hovered
+                ToolTip.delay: 250
+                ToolTip.text: checked ? qsTr("Unpin chat window")
+                                      : qsTr("Pin chat window to the top")
+            }
+
+            QoAComboBox {
+                id: configSelectorId
+
+                implicitHeight: 25
+
+                model: []
+                currentIndex: 0
+
+                ToolTip.visible: hovered
+                ToolTip.delay: 250
+                ToolTip.text: qsTr("Switch saved AI configuration")
+            }
+
+            QoAComboBox {
+                id: roleSelector
+
+                implicitHeight: 25
+
+                model: []
+                currentIndex: 0
+
+                ToolTip.visible: hovered
+                ToolTip.delay: 250
+                ToolTip.text: qsTr("Switch agent role (different system prompts)")
+            }
+        }
+
+        Row {
+            spacing: 10
+
+            QoAButton {
+                id: toolsButtonId
+
+                anchors.verticalCenter: parent.verticalCenter
+
+                checkable: true
+                opacity: enabled ? 1.0 : 0.2
+
+                icon {
+                    source: checked ? "qrc:/qt/qml/ChatView/icons/tools-icon-on.svg"
+                                    : "qrc:/qt/qml/ChatView/icons/tools-icon-off.svg"
+                    color: palette.window.hslLightness > 0.5 ? "#000000" : "#FFFFFF"
+                    height: 15
+                    width: 15
+                }
+
+                ToolTip.visible: hovered
+                ToolTip.delay: 250
+                ToolTip.text: {
+                    if (!toolsButtonId.enabled) {
+                        return qsTr("Tools are disabled in General Settings")
+                    }
+                    return checked
+                            ? qsTr("Tools enabled: AI can use tools to read files, search project, and build code")
+                            : qsTr("Tools disabled: Simple conversation without tool access")
+                }
+            }
+
+            QoAButton {
+                id: thinkingModeId
+
+                anchors.verticalCenter: parent.verticalCenter
+
+                checkable: true
+                opacity: enabled ? 1.0 : 0.2
+
+                icon {
+                    source: checked ? "qrc:/qt/qml/ChatView/icons/thinking-icon-on.svg"
+                                    : "qrc:/qt/qml/ChatView/icons/thinking-icon-off.svg"
+                    color: palette.window.hslLightness > 0.5 ? "#000000" : "#FFFFFF"
+                    height: 15
+                    width: 15
+                }
+
+                ToolTip.visible: hovered
+                ToolTip.delay: 250
+                ToolTip.text: enabled ? (checked ? qsTr("Thinking Mode enabled (Check model list support it)")
+                                                 : qsTr("Thinking Mode disabled"))
+                                      : qsTr("Thinking Mode is not available for this provider")
+            }
+
+            QoAButton {
+                id: settingsButtonId
+
+                anchors.verticalCenter: parent.verticalCenter
+
+                icon {
+                    source: "qrc:/qt/qml/ChatView/icons/settings-icon.svg"
+                    color: palette.window.hslLightness > 0.5 ? "#000000" : "#FFFFFF"
+                    height: 15
+                    width: 15
+                }
+
+                ToolTip.visible: hovered
+                ToolTip.delay: 250
+                ToolTip.text: qsTr("Open Chat Assistant Settings")
+            }
+
+            QoASeparator {
+                anchors.verticalCenter: parent.verticalCenter
+            }
+        }
+
+
+        Item {
+            height: firstRow.height
+            width: recentPathId.width
+
+            Text {
+                id: recentPathId
+
+                anchors.verticalCenter: parent.verticalCenter
+                width: Math.min(implicitWidth, root.width)
+                elide: Text.ElideMiddle
+                color: palette.text
+                font.pixelSize: 12
+
+                MouseArea {
+                    anchors.fill: parent
+                    hoverEnabled: true
+
+                    ToolTip.visible: containsMouse
+                    ToolTip.delay: 500
+                    ToolTip.text: recentPathId.text
+                }
+            }
+        }
+
+        RowLayout {
+            id: secondRow
+
+            Layout.preferredWidth: root.width
+            Layout.preferredHeight: firstRow.height
+
+            spacing: 10
+
+            QoAButton {
+                id: saveButtonId
+
+                icon {
+                    source: "qrc:/qt/qml/ChatView/icons/save-chat-dark.svg"
+                    height: 15
+                    width: 8
+                }
+                ToolTip.visible: hovered
+                ToolTip.delay: 250
+                ToolTip.text: qsTr("Save chat to *.json file")
+            }
+
+            QoAButton {
+                id: loadButtonId
+
+                icon {
+                    source: "qrc:/qt/qml/ChatView/icons/load-chat-dark.svg"
+                    height: 15
+                    width: 8
+                }
+                ToolTip.visible: hovered
+                ToolTip.delay: 250
+                ToolTip.text: qsTr("Load chat from *.json file")
+            }
+
+            QoAButton {
+                id: openChatHistoryId
+
+                icon {
+                    source: "qrc:/qt/qml/ChatView/icons/file-in-system.svg"
+                    height: 15
+                    width: 15
+                }
+                ToolTip.visible: hovered
+                ToolTip.delay: 250
+                ToolTip.text: qsTr("Show in system")
+            }
+
+            QoASeparator {}
+
+            QoAButton {
+                id: contextButtonId
+
+                icon {
+                    source: "qrc:/qt/qml/ChatView/icons/context-icon.svg"
+                    color: palette.window.hslLightness > 0.5 ? "#000000" : "#FFFFFF"
+                    height: 15
+                    width: 15
+                }
+
+                ToolTip.visible: hovered
+                ToolTip.delay: 250
+                ToolTip.text: qsTr("View chat context (system prompt, role, rules)")
+            }
+
+            Badge {
+                id: tokensBadgeId
+
+                ToolTip.visible: hovered
+                ToolTip.delay: 250
+                ToolTip.text: qsTr("Current amount tokens in chat and LLM limit threshold")
+            }
+
+            QoASeparator {}
+
+            QoAButton {
+                id: clearButtonId
+
+                icon {
+                    source: "qrc:/qt/qml/ChatView/icons/clean-icon-dark.svg"
+                    height: 15
+                    width: 8
+                }
+                ToolTip.visible: hovered
+                ToolTip.delay: 250
+                ToolTip.text: qsTr("Clean chat")
+            }
+        }
+    }
+}

CodeHandler.cpp

@@ -0,0 +1,231 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// Copyright (C) 2025 Povilas Kanapickas <povilas@radix.lt>
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "CodeHandler.hpp"
+#include <settings/CodeCompletionSettings.hpp>
+#include <QFileInfo>
+#include <QHash>
+
+namespace QodeAssist {
+
+struct LanguageProperties
+{
+    QString name;
+    QString commentStyle;
+    QVector<QString> namesFromModel;
+    QVector<QString> fileExtensions;
+};
+
+const QVector<LanguageProperties> customLanguagesFromSettings()
+{
+    QVector<LanguageProperties> customLanguages;
+
+    const QStringList customLanguagesList = Settings::codeCompletionSettings().customLanguages();
+    for (const QString &entry : customLanguagesList) {
+        if (entry.trimmed().isEmpty()) {
+            continue;
+        }
+
+        QStringList parts = entry.split(',');
+        if (parts.size() < 4) {
+            continue;
+        }
+
+        QString name = parts[0].trimmed();
+        QString commentStyle = parts[1].trimmed();
+        QStringList modelNamesList = parts[2].trimmed().split(' ', Qt::SkipEmptyParts);
+        QStringList extensionsList = parts[3].trimmed().split(' ', Qt::SkipEmptyParts);
+
+        if (!name.isEmpty() && !commentStyle.isEmpty() && !modelNamesList.isEmpty()
+            && !extensionsList.isEmpty()) {
+            QVector<QString> modelNames;
+            for (const auto &modelName : modelNamesList) {
+                modelNames.append(modelName);
+            }
+
+            QVector<QString> extensions;
+            for (const auto &ext : extensionsList) {
+                extensions.append(ext);
+            }
+
+            customLanguages.append({name, commentStyle, modelNames, extensions});
+        }
+    }
+
+    return customLanguages;
+}
+const QVector<LanguageProperties> &getKnownLanguages()
+{
+    static QVector<LanguageProperties> knownLanguages = {
+        {"python", "#", {"python", "py"}, {"py"}},
+        {"lua", "--", {"lua"}, {"lua"}},
+        {"js", "//", {"js", "javascript"}, {"js", "jsx"}},
+        {"ts", "//", {"ts", "typescript"}, {"ts", "tsx"}},
+        {"c-like", "//", {"c", "c++", "cpp"}, {"c", "h", "cpp", "hpp"}},
+        {"java", "//", {"java"}, {"java"}},
+        {"c#", "//", {"cs", "csharp"}, {"cs"}},
+        {"php", "//", {"php"}, {"php"}},
+        {"ruby", "#", {"rb", "ruby"}, {"rb"}},
+        {"go", "//", {"go"}, {"go"}},
+        {"swift", "//", {"swift"}, {"swift"}},
+        {"kotlin", "//", {"kt", "kotlin"}, {"kt", "kotlin"}},
+        {"scala", "//", {"scala"}, {"scala"}},
+        {"r", "#", {"r"}, {"r"}},
+        {"shell", "#", {"shell", "bash", "sh"}, {"sh", "bash"}},
+        {"perl", "#", {"pl", "perl"}, {"pl"}},
+        {"hs", "--", {"hs", "haskell"}, {"hs"}},
+        {"qml", "//", {"qml"}, {"qml"}},
+    };
+
+    knownLanguages.append(customLanguagesFromSettings());
+
+    return knownLanguages;
+}
+
+bool CodeHandler::hasCodeBlocks(const QString &text)
+{
+    QStringList lines = text.split('\n');
+
+    for (const QString &line : lines) {
+        if (line.trimmed().startsWith("```")) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+static QHash<QString, QString> buildLanguageToCommentPrefixMap()
+{
+    QHash<QString, QString> result;
+    for (const auto &languageProps : getKnownLanguages()) {
+        result[languageProps.name] = languageProps.commentStyle;
+    }
+    return result;
+}
+
+static QHash<QString, QString> buildExtensionToLanguageMap()
+{
+    QHash<QString, QString> result;
+    for (const auto &languageProps : getKnownLanguages()) {
+        for (const auto &extension : languageProps.fileExtensions) {
+            result[extension] = languageProps.name;
+        }
+    }
+    return result;
+}
+
+static QHash<QString, QString> buildModelLanguageNameToLanguageMap()
+{
+    QHash<QString, QString> result;
+    for (const auto &languageProps : getKnownLanguages()) {
+        for (const auto &nameFromModel : languageProps.namesFromModel) {
+            result[nameFromModel] = languageProps.name;
+        }
+    }
+    return result;
+}
+
+QString CodeHandler::processText(QString text, QString currentFilePath)
+{
+    QString result;
+    QStringList lines = text.split('\n');
+    bool inCodeBlock = false;
+    QString pendingComments;
+
+    auto currentFileExtension = QFileInfo(currentFilePath).suffix();
+    auto currentLanguage = detectLanguageFromExtension(currentFileExtension);
+
+    auto addPendingCommentsIfAny = [&]() {
+        if (pendingComments.isEmpty()) {
+            return;
+        }
+        QStringList commentLines = pendingComments.split('\n');
+        QString commentPrefix = getCommentPrefix(currentLanguage);
+
+        for (const QString &commentLine : commentLines) {
+            if (!commentLine.trimmed().isEmpty()) {
+                result += commentPrefix + " " + commentLine.trimmed() + "\n";
+            } else {
+                result += "\n";
+            }
+        }
+        pendingComments.clear();
+    };
+
+    for (const QString &line : lines) {
+        if (line.trimmed().startsWith("```")) {
+            if (!inCodeBlock) {
+                auto lineLanguage = detectLanguageFromLine(line);
+                if (!lineLanguage.isEmpty()) {
+                    currentLanguage = lineLanguage;
+                }
+
+                addPendingCommentsIfAny();
+
+                if (lineLanguage.isEmpty()) {
+                    // language not detected, so add direct output from model, if any
+                    result += line.trimmed().mid(3) + "\n"; // add the remainder of line after ```
+                }
+            }
+            inCodeBlock = !inCodeBlock;
+            continue;
+        }
+
+        if (inCodeBlock) {
+            result += line + "\n";
+        } else {
+            QString trimmed = line.trimmed();
+            if (!trimmed.isEmpty()) {
+                pendingComments += trimmed + "\n";
+            } else {
+                pendingComments += "\n";
+            }
+        }
+    }
+
+    addPendingCommentsIfAny();
+
+    return result;
+}
+
+QString CodeHandler::getCommentPrefix(const QString &language)
+{
+    static const auto commentPrefixes = buildLanguageToCommentPrefixMap();
+    return commentPrefixes.value(language, "//");
+}
+
+QString CodeHandler::detectLanguageFromLine(const QString &line)
+{
+    static const auto modelNameToLanguage = buildModelLanguageNameToLanguageMap();
+    return modelNameToLanguage.value(line.trimmed().mid(3).trimmed(), "");
+}
+
+QString CodeHandler::detectLanguageFromExtension(const QString &extension)
+{
+    static const auto extensionToLanguage = buildExtensionToLanguageMap();
+    return extensionToLanguage.value(extension.toLower(), "");
+}
+
+const QRegularExpression &CodeHandler::getFullCodeBlockRegex()
+{
+    static const QRegularExpression
+        regex(R"(```[\w\s]*\n([\s\S]*?)```)", QRegularExpression::MultilineOption);
+    return regex;
+}
+
+const QRegularExpression &CodeHandler::getPartialStartBlockRegex()
+{
+    static const QRegularExpression
+        regex(R"(```[\w\s]*\n([\s\S]*?)$)", QRegularExpression::MultilineOption);
+    return regex;
+}
+
+const QRegularExpression &CodeHandler::getPartialEndBlockRegex()
+{
+    static const QRegularExpression regex(R"(^([\s\S]*?)```)", QRegularExpression::MultilineOption);
+    return regex;
+}
+
+} // namespace QodeAssist

CodeHandler.hpp

@@ -0,0 +1,40 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QObject>
+#include <QRegularExpression>
+#include <QString>
+
+namespace QodeAssist {
+
+class CodeHandler
+{
+public:
+    static QString processText(QString text, QString currentFileName);
+
+    /**
+     * Detects language from line, or returns empty string if this was not possible
+     */
+    static QString detectLanguageFromLine(const QString &line);
+
+    /**
+     * Detects language file name, or returns empty string if this was not possible
+     */
+    static QString detectLanguageFromExtension(const QString &extension);
+
+    /**
+     * Detects if text contains code blocks, or returns false if this was not possible
+     */
+    static bool hasCodeBlocks(const QString &text);
+
+private:
+    static QString getCommentPrefix(const QString &language);
+
+    static const QRegularExpression &getFullCodeBlockRegex();
+    static const QRegularExpression &getPartialStartBlockRegex();
+    static const QRegularExpression &getPartialEndBlockRegex();
+};
+
+} // namespace QodeAssist

ConfigurationManager.cpp

@@ -0,0 +1,235 @@
+// Copyright (C) 2025-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "ConfigurationManager.hpp"
+
+#include <settings/ButtonAspect.hpp>
+#include <QTimer>
+
+#include "QodeAssisttr.h"
+
+namespace QodeAssist {
+
+ConfigurationManager &ConfigurationManager::instance()
+{
+    static ConfigurationManager instance;
+    return instance;
+}
+
+void ConfigurationManager::init()
+{
+    setupConnections();
+    updateAllTemplateDescriptions();
+    checkAllTemplate();
+}
+
+void ConfigurationManager::updateTemplateDescription(const Utils::StringAspect &templateAspect)
+{
+    PluginLLMCore::PromptTemplate *templ = m_templateManger.getFimTemplateByName(templateAspect.value());
+
+    if (!templ) {
+        return;
+    }
+
+    if (&templateAspect == &m_generalSettings.ccTemplate) {
+        m_generalSettings.ccTemplateDescription.setValue(templ->description());
+    } else if (&templateAspect == &m_generalSettings.caTemplate) {
+        m_generalSettings.caTemplateDescription.setValue(templ->description());
+    } else if (&templateAspect == &m_generalSettings.qrTemplate) {
+        m_generalSettings.qrTemplateDescription.setValue(templ->description());
+    }
+}
+
+void ConfigurationManager::updateAllTemplateDescriptions()
+{
+    updateTemplateDescription(m_generalSettings.ccTemplate);
+    updateTemplateDescription(m_generalSettings.caTemplate);
+    updateTemplateDescription(m_generalSettings.qrTemplate);
+}
+
+void ConfigurationManager::checkTemplate(const Utils::StringAspect &templateAspect)
+{
+    PluginLLMCore::PromptTemplate *templ = m_templateManger.getFimTemplateByName(templateAspect.value());
+
+    if (templ->name() == templateAspect.value())
+        return;
+
+    if (&templateAspect == &m_generalSettings.ccTemplate) {
+        m_generalSettings.ccTemplate.setValue(templ->name());
+    } else if (&templateAspect == &m_generalSettings.caTemplate) {
+        m_generalSettings.caTemplate.setValue(templ->name());
+    }
+}
+
+void ConfigurationManager::checkAllTemplate()
+{
+    checkTemplate(m_generalSettings.ccTemplate);
+    checkTemplate(m_generalSettings.caTemplate);
+}
+
+ConfigurationManager::ConfigurationManager(QObject *parent)
+    : QObject(parent)
+    , m_generalSettings(Settings::generalSettings())
+    , m_providersManager(PluginLLMCore::ProvidersManager::instance())
+    , m_templateManger(PluginLLMCore::PromptTemplateManager::instance())
+{}
+
+void ConfigurationManager::setupConnections()
+{
+    using Config = ConfigurationManager;
+    using Button = ButtonAspect;
+
+    connect(&m_generalSettings.ccSelectProvider, &Button::clicked, this, &Config::selectProvider);
+    connect(&m_generalSettings.caSelectProvider, &Button::clicked, this, &Config::selectProvider);
+    connect(&m_generalSettings.qrSelectProvider, &Button::clicked, this, &Config::selectProvider);
+    connect(&m_generalSettings.ccSelectModel, &Button::clicked, this, &Config::selectModel);
+    connect(&m_generalSettings.caSelectModel, &Button::clicked, this, &Config::selectModel);
+    connect(&m_generalSettings.qrSelectModel, &Button::clicked, this, &Config::selectModel);
+    connect(&m_generalSettings.ccSelectTemplate, &Button::clicked, this, &Config::selectTemplate);
+    connect(&m_generalSettings.caSelectTemplate, &Button::clicked, this, &Config::selectTemplate);
+    connect(&m_generalSettings.qrSelectTemplate, &Button::clicked, this, &Config::selectTemplate);
+    connect(&m_generalSettings.ccSetUrl, &Button::clicked, this, &Config::selectUrl);
+    connect(&m_generalSettings.caSetUrl, &Button::clicked, this, &Config::selectUrl);
+    connect(&m_generalSettings.qrSetUrl, &Button::clicked, this, &Config::selectUrl);
+
+    connect(
+        &m_generalSettings.ccPreset1SelectProvider, &Button::clicked, this, &Config::selectProvider);
+    connect(&m_generalSettings.ccPreset1SetUrl, &Button::clicked, this, &Config::selectUrl);
+    connect(&m_generalSettings.ccPreset1SelectModel, &Button::clicked, this, &Config::selectModel);
+    connect(
+        &m_generalSettings.ccPreset1SelectTemplate, &Button::clicked, this, &Config::selectTemplate);
+
+    connect(&m_generalSettings.ccTemplate, &Utils::StringAspect::changed, this, [this]() {
+        updateTemplateDescription(m_generalSettings.ccTemplate);
+    });
+
+    connect(&m_generalSettings.caTemplate, &Utils::StringAspect::changed, this, [this]() {
+        updateTemplateDescription(m_generalSettings.caTemplate);
+    });
+
+    connect(&m_generalSettings.qrTemplate, &Utils::StringAspect::changed, this, [this]() {
+        updateTemplateDescription(m_generalSettings.qrTemplate);
+    });
+}
+
+void ConfigurationManager::selectProvider()
+{
+    const auto providersList = m_providersManager.providersNames();
+
+    auto *settingsButton = qobject_cast<ButtonAspect *>(sender());
+    if (!settingsButton)
+        return;
+
+    auto &targetSettings = (settingsButton == &m_generalSettings.ccSelectProvider)
+                               ? m_generalSettings.ccProvider
+                           : settingsButton == &m_generalSettings.ccPreset1SelectProvider
+                               ? m_generalSettings.ccPreset1Provider
+                           : settingsButton == &m_generalSettings.qrSelectProvider
+                               ? m_generalSettings.qrProvider
+                               : m_generalSettings.caProvider;
+
+    QTimer::singleShot(0, this, [this, providersList, &targetSettings] {
+        m_generalSettings.showSelectionDialog(
+            providersList, targetSettings, Tr::tr("Select LLM Provider"), Tr::tr("Providers:"));
+    });
+}
+
+void ConfigurationManager::selectModel()
+{
+    auto *settingsButton = qobject_cast<ButtonAspect *>(sender());
+    if (!settingsButton)
+        return;
+
+    const bool isCodeCompletion = (settingsButton == &m_generalSettings.ccSelectModel);
+    const bool isPreset1 = (settingsButton == &m_generalSettings.ccPreset1SelectModel);
+    const bool isQuickRefactor = (settingsButton == &m_generalSettings.qrSelectModel);
+
+    const QString providerName = isCodeCompletion ? m_generalSettings.ccProvider.volatileValue()
+                                 : isPreset1 ? m_generalSettings.ccPreset1Provider.volatileValue()
+                                 : isQuickRefactor ? m_generalSettings.qrProvider.volatileValue()
+                                             : m_generalSettings.caProvider.volatileValue();
+
+    const auto providerUrl = isCodeCompletion ? m_generalSettings.ccUrl.volatileValue()
+                             : isPreset1      ? m_generalSettings.ccPreset1Url.volatileValue()
+                             : isQuickRefactor ? m_generalSettings.qrUrl.volatileValue()
+                                              : m_generalSettings.caUrl.volatileValue();
+
+    auto *targetSettings = &(isCodeCompletion ? m_generalSettings.ccModel
+                              : isPreset1      ? m_generalSettings.ccPreset1Model
+                              : isQuickRefactor ? m_generalSettings.qrModel
+                                               : m_generalSettings.caModel);
+
+    if (auto provider = m_providersManager.getProviderByName(providerName)) {
+        if (!provider->capabilities().testFlag(PluginLLMCore::ProviderCapability::ModelListing)) {
+            m_generalSettings.showModelsNotSupportedDialog(*targetSettings);
+            return;
+        }
+
+        provider->getInstalledModels(providerUrl)
+            .then(this, [this, targetSettings](const QList<QString> &modelList) {
+                if (modelList.isEmpty()) {
+                    m_generalSettings.showModelsNotFoundDialog(*targetSettings);
+                    return;
+                }
+                m_generalSettings.showSelectionDialog(
+                    modelList, *targetSettings, Tr::tr("Select LLM Model"), Tr::tr("Models:"));
+            });
+    }
+}
+
+void ConfigurationManager::selectTemplate()
+{
+    auto *settingsButton = qobject_cast<ButtonAspect *>(sender());
+    if (!settingsButton)
+        return;
+
+    const bool isCodeCompletion = (settingsButton == &m_generalSettings.ccSelectTemplate);
+    const bool isPreset1 = (settingsButton == &m_generalSettings.ccPreset1SelectTemplate);
+    const bool isQuickRefactor = (settingsButton == &m_generalSettings.qrSelectTemplate);
+    const QString providerName = isCodeCompletion ? m_generalSettings.ccProvider.volatileValue()
+                                 : isPreset1 ? m_generalSettings.ccPreset1Provider.volatileValue()
+                                 : isQuickRefactor ? m_generalSettings.qrProvider.volatileValue()
+                                             : m_generalSettings.caProvider.volatileValue();
+    auto providerID = m_providersManager.getProviderByName(providerName)->providerID();
+
+    const auto templateList = isCodeCompletion || isPreset1
+                                  ? m_templateManger.getFimTemplatesForProvider(providerID)
+                                  : m_templateManger.getChatTemplatesForProvider(providerID);
+
+    auto &targetSettings = isCodeCompletion ? m_generalSettings.ccTemplate
+                           : isPreset1      ? m_generalSettings.ccPreset1Template
+                           : isQuickRefactor ? m_generalSettings.qrTemplate
+                                            : m_generalSettings.caTemplate;
+
+    QTimer::singleShot(0, &m_generalSettings, [this, templateList, &targetSettings]() {
+        m_generalSettings.showSelectionDialog(
+            templateList, targetSettings, Tr::tr("Select Template"), Tr::tr("Templates:"));
+    });
+}
+
+void ConfigurationManager::selectUrl()
+{
+    auto *settingsButton = qobject_cast<ButtonAspect *>(sender());
+    if (!settingsButton)
+        return;
+
+    QStringList urls;
+    for (const auto &name : m_providersManager.providersNames()) {
+        const auto url = m_providersManager.getProviderByName(name)->url();
+        if (!urls.contains(url))
+            urls.append(url);
+    }
+
+    auto &targetSettings = (settingsButton == &m_generalSettings.ccSetUrl) ? m_generalSettings.ccUrl
+                           : settingsButton == &m_generalSettings.ccPreset1SetUrl
+                               ? m_generalSettings.ccPreset1Url
+                           : settingsButton == &m_generalSettings.qrSetUrl
+                               ? m_generalSettings.qrUrl
+                               : m_generalSettings.caUrl;
+
+    QTimer::singleShot(0, &m_generalSettings, [this, urls, &targetSettings]() {
+        m_generalSettings.showUrlSelectionDialog(targetSettings, urls);
+    });
+}
+
+} // namespace QodeAssist

ConfigurationManager.hpp

@@ -0,0 +1,47 @@
+// Copyright (C) 2025-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QObject>
+
+#include "pluginllmcore/PromptTemplateManager.hpp"
+#include "pluginllmcore/ProvidersManager.hpp"
+#include "settings/GeneralSettings.hpp"
+
+namespace QodeAssist {
+
+class ConfigurationManager : public QObject
+{
+    Q_OBJECT
+
+public:
+    static ConfigurationManager &instance();
+
+    void init();
+
+    void updateTemplateDescription(const Utils::StringAspect &templateAspect);
+    void updateAllTemplateDescriptions();
+    void checkTemplate(const Utils::StringAspect &templateAspect);
+    void checkAllTemplate();
+
+public slots:
+    void selectProvider();
+    void selectModel();
+    void selectTemplate();
+    void selectUrl();
+
+private:
+    explicit ConfigurationManager(QObject *parent = nullptr);
+    ~ConfigurationManager() = default;
+    ConfigurationManager(const ConfigurationManager &) = delete;
+    ConfigurationManager &operator=(const ConfigurationManager &) = delete;
+
+    Settings::GeneralSettings &m_generalSettings;
+    PluginLLMCore::ProvidersManager &m_providersManager;
+    PluginLLMCore::PromptTemplateManager &m_templateManger;
+
+    void setupConnections();
+};
+
+} // namespace QodeAssist

DocumentContextReader.cpp

@@ -1,212 +0,0 @@
-/* 
- * Copyright (C) 2024 Petr Mironychev
- *
- * This file is part of QodeAssist.
- *
- * QodeAssist is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * QodeAssist is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
- */
-
-#include "DocumentContextReader.hpp"
-
-#include <QFileInfo>
-#include <QTextBlock>
-#include <languageserverprotocol/lsptypes.h>
-
-#include "settings/ContextSettings.hpp"
-
-const QRegularExpression &getYearRegex()
-{
-    static const QRegularExpression yearRegex("\\b(19|20)\\d{2}\\b");
-    return yearRegex;
-}
-
-const QRegularExpression &getNameRegex()
-{
-    static const QRegularExpression nameRegex("\\b[A-Z][a-z.]+ [A-Z][a-z.]+\\b");
-    return nameRegex;
-}
-
-const QRegularExpression &getCommentRegex()
-{
-    static const QRegularExpression
-        commentRegex(R"((/\*[\s\S]*?\*/|//.*$|#.*$|//{2,}[\s\S]*?//{2,}))",
-                     QRegularExpression::MultilineOption);
-    return commentRegex;
-}
-
-namespace QodeAssist {
-
-DocumentContextReader::DocumentContextReader(TextEditor::TextDocument *textDocument)
-    : m_textDocument(textDocument)
-    , m_document(textDocument->document())
-{
-    m_copyrightInfo = findCopyright();
-}
-
-QString DocumentContextReader::getLineText(int lineNumber, int cursorPosition) const
-{
-    if (!m_document || lineNumber < 0)
-        return QString();
-
-    QTextBlock block = m_document->begin();
-    int currentLine = 0;
-
-    while (block.isValid()) {
-        if (currentLine == lineNumber) {
-            QString text = block.text();
-            if (cursorPosition >= 0 && cursorPosition <= text.length()) {
-                text = text.left(cursorPosition);
-            }
-            return text;
-        }
-
-        block = block.next();
-        currentLine++;
-    }
-
-    return QString();
-}
-
-QString DocumentContextReader::getContextBefore(int lineNumber,
-                                                int cursorPosition,
-                                                int linesCount) const
-{
-    int effectiveStartLine;
-    if (m_copyrightInfo.found) {
-        effectiveStartLine = qMax(m_copyrightInfo.endLine + 1, lineNumber - linesCount);
-    } else {
-        effectiveStartLine = qMax(0, lineNumber - linesCount);
-    }
-
-    return getContextBetween(effectiveStartLine, lineNumber, cursorPosition);
-}
-
-QString DocumentContextReader::getContextAfter(int lineNumber,
-                                               int cursorPosition,
-                                               int linesCount) const
-{
-    int endLine = qMin(m_document->blockCount() - 1, lineNumber + linesCount);
-    return getContextBetween(lineNumber + 1, endLine, cursorPosition);
-}
-
-QString DocumentContextReader::readWholeFileBefore(int lineNumber, int cursorPosition) const
-{
-    int startLine = 0;
-    if (m_copyrightInfo.found) {
-        startLine = m_copyrightInfo.endLine + 1;
-    }
-
-    startLine = qMin(startLine, lineNumber);
-
-    QString result = getContextBetween(startLine, lineNumber, cursorPosition);
-
-    return result;
-}
-
-QString DocumentContextReader::readWholeFileAfter(int lineNumber, int cursorPosition) const
-{
-    return getContextBetween(lineNumber, m_document->blockCount() - 1, cursorPosition);
-}
-
-QString DocumentContextReader::getLanguageAndFileInfo() const
-{
-    if (!m_textDocument)
-        return QString();
-
-    QString language = LanguageServerProtocol::TextDocumentItem::mimeTypeToLanguageId(
-        m_textDocument->mimeType());
-    QString mimeType = m_textDocument->mimeType();
-    QString filePath = m_textDocument->filePath().toString();
-    QString fileExtension = QFileInfo(filePath).suffix();
-
-    return QString("Language: %1 (MIME: %2) filepath: %3(%4)\n\n")
-        .arg(language, mimeType, filePath, fileExtension);
-}
-
-QString DocumentContextReader::getSpecificInstructions() const
-{
-    QString specificInstruction = Settings::contextSettings().specificInstractions().arg(
-        LanguageServerProtocol::TextDocumentItem::mimeTypeToLanguageId(m_textDocument->mimeType()));
-    return QString("%1").arg(specificInstruction);
-}
-
-CopyrightInfo DocumentContextReader::findCopyright()
-{
-    CopyrightInfo result = {-1, -1, false};
-
-    QString text = m_document->toPlainText();
-    QRegularExpressionMatchIterator matchIterator = getCommentRegex().globalMatch(text);
-
-    QList<CopyrightInfo> copyrightBlocks;
-
-    while (matchIterator.hasNext()) {
-        QRegularExpressionMatch match = matchIterator.next();
-        QString matchedText = match.captured().toLower();
-
-        if (matchedText.contains("copyright") || matchedText.contains("(C)")
-            || matchedText.contains("(c)") || matchedText.contains("©")
-            || getYearRegex().match(text).hasMatch() || getNameRegex().match(text).hasMatch()) {
-            int startPos = match.capturedStart();
-            int endPos = match.capturedEnd();
-
-            CopyrightInfo info;
-            info.startLine = m_document->findBlock(startPos).blockNumber();
-            info.endLine = m_document->findBlock(endPos).blockNumber();
-            info.found = true;
-
-            copyrightBlocks.append(info);
-        }
-    }
-
-    for (int i = 0; i < copyrightBlocks.size() - 1; ++i) {
-        if (copyrightBlocks[i].endLine + 1 >= copyrightBlocks[i + 1].startLine) {
-            copyrightBlocks[i].endLine = copyrightBlocks[i + 1].endLine;
-            copyrightBlocks.removeAt(i + 1);
-            --i;
-        }
-    }
-
-    if (!copyrightBlocks.isEmpty()) { // temproary solution, need cache
-        return copyrightBlocks.first();
-    }
-
-    return result;
-}
-
-QString DocumentContextReader::getContextBetween(int startLine,
-                                                 int endLine,
-                                                 int cursorPosition) const
-{
-    QString context;
-    for (int i = startLine; i <= endLine; ++i) {
-        QTextBlock block = m_document->findBlockByNumber(i);
-        if (!block.isValid()) {
-            break;
-        }
-        if (i == endLine) {
-            context += block.text().left(cursorPosition);
-        } else {
-            context += block.text() + "\n";
-        }
-    }
-
-    return context;
-}
-
-CopyrightInfo DocumentContextReader::copyrightInfo() const
-{
-    return m_copyrightInfo;
-}
-
-} // namespace QodeAssist

DocumentContextReader.hpp

@@ -1,57 +0,0 @@
-/* 
- * Copyright (C) 2024 Petr Mironychev
- *
- * This file is part of QodeAssist.
- *
- * QodeAssist is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * QodeAssist is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-#include <QTextDocument>
-#include <texteditor/textdocument.h>
-
-namespace QodeAssist {
-
-struct CopyrightInfo
-{
-    int startLine;
-    int endLine;
-    bool found;
-};
-
-class DocumentContextReader
-{
-public:
-    DocumentContextReader(TextEditor::TextDocument *textDocument);
-
-    QString getLineText(int lineNumber, int cursorPosition = -1) const;
-    QString getContextBefore(int lineNumber, int cursorPosition, int linesCount) const;
-    QString getContextAfter(int lineNumber, int cursorPosition, int linesCount) const;
-    QString readWholeFileBefore(int lineNumber, int cursorPosition) const;
-    QString readWholeFileAfter(int lineNumber, int cursorPosition) const;
-    QString getLanguageAndFileInfo() const;
-    QString getSpecificInstructions() const;
-    CopyrightInfo findCopyright();
-    QString getContextBetween(int startLine, int endLine, int cursorPosition) const;
-
-    CopyrightInfo copyrightInfo() const;
-
-private:
-    TextEditor::TextDocument *m_textDocument;
-    QTextDocument *m_document;
-    CopyrightInfo m_copyrightInfo;
-};
-
-} // namespace QodeAssist

LLMClientInterface.cpp

@@ -1,49 +1,48 @@
-/* 
- * Copyright (C) 2024 Petr Mironychev
- *
- * This file is part of QodeAssist.
- *
- * QodeAssist is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * QodeAssist is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
- */
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
 
 #include "LLMClientInterface.hpp"
 
+#include <LLMQore/BaseClient.hpp>
 #include <QJsonDocument>
 #include <QNetworkAccessManager>
 #include <QNetworkReply>
 
-#include <texteditor/textdocument.h>
-
-#include "DocumentContextReader.hpp"
-#include "LLMProvidersManager.hpp"
-#include "PromptTemplateManager.hpp"
-#include "QodeAssistUtils.hpp"
-#include "core/ChangesManager.h"
-#include "settings/ContextSettings.hpp"
+#include "CodeHandler.hpp"
+#include "context/DocumentContextReader.hpp"
+#include "context/Utils.hpp"
+#include "logger/Logger.hpp"
+#include "settings/CodeCompletionSettings.hpp"
 #include "settings/GeneralSettings.hpp"
+#include <pluginllmcore/RulesLoader.hpp>
 
 namespace QodeAssist {
 
-LLMClientInterface::LLMClientInterface()
-    : m_manager(new QNetworkAccessManager(this))
+LLMClientInterface::LLMClientInterface(
+    const Settings::GeneralSettings &generalSettings,
+    const Settings::CodeCompletionSettings &completeSettings,
+    PluginLLMCore::IProviderRegistry &providerRegistry,
+    PluginLLMCore::IPromptProvider *promptProvider,
+    Context::IDocumentReader &documentReader,
+    IRequestPerformanceLogger &performanceLogger)
+    : m_generalSettings(generalSettings)
+    , m_completeSettings(completeSettings)
+    , m_providerRegistry(providerRegistry)
+    , m_promptProvider(promptProvider)
+    , m_documentReader(documentReader)
+    , m_performanceLogger(performanceLogger)
+    , m_contextManager(new Context::ContextManager(this))
 {
-    updateProvider();
+}
+
+LLMClientInterface::~LLMClientInterface()
+{
+    handleCancelRequest();
 }
 
 Utils::FilePath LLMClientInterface::serverDeviceTemplate() const
 {
-    return "Qode Assist";
+    return "QodeAssist";
 }
 
 void LLMClientInterface::startImpl()
@@ -51,10 +50,47 @@ void LLMClientInterface::startImpl()
     emit started();
 }
 
+void LLMClientInterface::handleFullResponse(const QString &requestId, const QString &fullText)
+{
+    auto it = m_activeRequests.find(requestId);
+    if (it == m_activeRequests.end())
+        return;
+
+    const RequestContext &ctx = it.value();
+    sendCompletionToClient(fullText, ctx.originalRequest, true);
+
+    m_activeRequests.erase(it);
+    m_performanceLogger.endTimeMeasurement(requestId);
+}
+
+void LLMClientInterface::handleRequestFailed(const QString &requestId, const QString &error)
+{
+    auto it = m_activeRequests.find(requestId);
+    if (it == m_activeRequests.end())
+        return;
+
+    const RequestContext &ctx = it.value();
+
+    LOG_MESSAGE(QString("Request %1 failed: %2").arg(requestId, error));
+
+    // Send LSP error response to client
+    QJsonObject response;
+    response["jsonrpc"] = "2.0";
+    response[LanguageServerProtocol::idKey] = ctx.originalRequest["id"];
+
+    QJsonObject errorObject;
+    errorObject["code"] = -32603; // Internal error code
+    errorObject["message"] = error;
+    response["error"] = errorObject;
+    
+    emit messageReceived(LanguageServerProtocol::JsonRpcMessage(response));
+    
+    m_activeRequests.erase(it);
+    m_performanceLogger.endTimeMeasurement(requestId);
+}
+
 void LLMClientInterface::sendData(const QByteArray &data)
 {
-    updateProvider();
-
     QJsonDocument doc = QJsonDocument::fromJson(data);
     if (!doc.isObject())
         return;
@@ -71,100 +107,39 @@ void LLMClientInterface::sendData(const QByteArray &data)
     } else if (method == "textDocument/didOpen") {
         handleTextDocumentDidOpen(request);
     } else if (method == "getCompletionsCycling") {
-        QString requestId = request["id"].toString();
-        startTimeMeasurement(requestId);
         handleCompletion(request);
     } else if (method == "$/cancelRequest") {
-        handleCancelRequest(request);
+        handleCancelRequest();
     } else if (method == "exit") {
         // TODO make exit handler
     } else {
-        logMessage(QString("Unknown method: %1").arg(method));
+        LOG_MESSAGE(QString("Unknown method: %1").arg(method));
     }
 }
 
-void LLMClientInterface::handleCancelRequest(const QJsonObject &request)
+void LLMClientInterface::handleCancelRequest()
 {
-    QString id = request["params"].toObject()["id"].toString();
-    if (m_activeRequests.contains(id)) {
-        m_activeRequests[id]->abort();
-        m_activeRequests.remove(id);
-        logMessage(QString("Request %1 cancelled successfully").arg(id));
-    } else {
-        logMessage(QString("Request %1 not found").arg(id));
-    }
-}
-
-bool LLMClientInterface::processSingleLineCompletion(QNetworkReply *reply,
-                                                     const QJsonObject &request,
-                                                     const QString &accumulatedCompletion)
-{
-    int newlinePos = accumulatedCompletion.indexOf('\n');
-
-    if (newlinePos != -1) {
-        QString singleLineCompletion = accumulatedCompletion.left(newlinePos).trimmed();
-        singleLineCompletion = removeStopWords(singleLineCompletion);
-
-        QJsonObject position = request["params"].toObject()["doc"].toObject()["position"].toObject();
-
-        sendCompletionToClient(singleLineCompletion, request, position, true);
-        m_accumulatedResponses.remove(reply);
-        reply->abort();
-
-        return true;
-    }
-    return false;
-}
-
-QString LLMClientInterface::сontextBefore(TextEditor::TextEditorWidget *widget,
-                                          int lineNumber,
-                                          int cursorPosition)
-{
-    if (!widget)
-        return QString();
-
-    DocumentContextReader reader(widget->textDocument());
-    const auto &copyright = reader.copyrightInfo();
-
-    logMessage(QString{"Line Number: %1"}.arg(lineNumber));
-    logMessage(QString("Copyright found %1 %2").arg(copyright.found).arg(copyright.endLine));
-    if (lineNumber < reader.findCopyright().endLine)
-        return QString();
-
-    QString contextBefore;
-    if (Settings::contextSettings().readFullFile()) {
-        contextBefore = reader.readWholeFileBefore(lineNumber, cursorPosition);
-    } else {
-        contextBefore
-            = reader.getContextBefore(lineNumber,
-                                      cursorPosition,
-                                      Settings::contextSettings().readStringsBeforeCursor());
+    QSet<PluginLLMCore::Provider *> providers;
+    for (auto it = m_activeRequests.begin(); it != m_activeRequests.end(); ++it) {
+        if (it.value().provider) {
+            providers.insert(it.value().provider);
+        }
     }
 
-    return contextBefore;
-}
-
-QString LLMClientInterface::сontextAfter(TextEditor::TextEditorWidget *widget,
-                                         int lineNumber,
-                                         int cursorPosition)
-{
-    if (!widget)
-        return QString();
-
-    DocumentContextReader reader(widget->textDocument());
-    if (lineNumber < reader.findCopyright().endLine)
-        return QString();
-
-    QString contextAfter;
-    if (Settings::contextSettings().readFullFile()) {
-        contextAfter = reader.readWholeFileAfter(lineNumber, cursorPosition);
-    } else {
-        contextAfter = reader.getContextAfter(lineNumber,
-                                              cursorPosition,
-                                              Settings::contextSettings().readStringsAfterCursor());
+    for (auto *provider : providers) {
+        disconnect(provider->client(), nullptr, this, nullptr);
     }
 
-    return contextAfter;
+    for (auto it = m_activeRequests.begin(); it != m_activeRequests.end(); ++it) {
+        const RequestContext &ctx = it.value();
+        if (ctx.provider) {
+            ctx.provider->cancelRequest(it.key());
+        }
+    }
+
+    m_activeRequests.clear();
+
+    LOG_MESSAGE("All requests cancelled and state cleared");
 }
 
 void LLMClientInterface::handleInitialize(const QJsonObject &request)
@@ -217,107 +192,233 @@ void LLMClientInterface::handleExit(const QJsonObject &request)
     emit finished();
 }
 
-void LLMClientInterface::handleLLMResponse(QNetworkReply *reply, const QJsonObject &request)
-{
-    QString &accumulatedResponse = m_accumulatedResponses[reply];
-
-    auto &templateManager = PromptTemplateManager::instance();
-    const Templates::PromptTemplate *currentTemplate = templateManager.getCurrentTemplate();
-
-    auto &providerManager = LLMProvidersManager::instance();
-    bool isComplete = providerManager.getCurrentProvider()->handleResponse(reply,
-                                                                           accumulatedResponse);
-
-    QJsonObject position = request["params"].toObject()["doc"].toObject()["position"].toObject();
-
-    if (!Settings::generalSettings().multiLineCompletion()
-        && processSingleLineCompletion(reply, request, accumulatedResponse)) {
-        return;
-    }
-
-    if (isComplete || reply->isFinished()) {
-        if (isComplete) {
-            auto cleanedCompletion = removeStopWords(accumulatedResponse);
-            sendCompletionToClient(cleanedCompletion, request, position, true);
-        } else {
-            handleCompletion(request, accumulatedResponse);
-        }
-        m_accumulatedResponses.remove(reply);
-    }
-}
-
-void LLMClientInterface::handleCompletion(const QJsonObject &request,
-                                          const QStringView &accumulatedCompletion)
-{
-    auto updatedContext = prepareContext(request, accumulatedCompletion);
-    sendLLMRequest(request, updatedContext);
-}
-
-ContextData LLMClientInterface::prepareContext(const QJsonObject &request,
-                                               const QStringView &accumulatedCompletion)
-{
-    QJsonObject params = request["params"].toObject();
-    QJsonObject doc = params["doc"].toObject();
-    QJsonObject position = doc["position"].toObject();
-    QString uri = doc["uri"].toString();
-
-    Utils::FilePath filePath = Utils::FilePath::fromString(QUrl(uri).toLocalFile());
-    TextEditor::TextDocument *textDocument = TextEditor::TextDocument::textDocumentForFilePath(
-        filePath);
-
-    if (!textDocument) {
-        logMessage("Error: Document is not available for" + filePath.toString());
-        return ContextData{};
-    }
-
-    int cursorPosition = position["character"].toInt();
-    int lineNumber = position["line"].toInt();
-
-    auto textEditor = TextEditor::BaseTextEditor::currentTextEditor();
-    TextEditor::TextEditorWidget *widget = textEditor->editorWidget();
-
-    DocumentContextReader reader(widget->textDocument());
-
-    QString recentChanges = ChangesManager::instance().getRecentChangesContext(textDocument);
-
-    QString contextBefore = сontextBefore(widget, lineNumber, cursorPosition);
-    QString contextAfter = сontextAfter(widget, lineNumber, cursorPosition);
-    QString instructions
-        = QString("%1%2%3").arg(Settings::contextSettings().useSpecificInstructions()
-                                    ? reader.getSpecificInstructions()
-                                    : QString(),
-                                Settings::contextSettings().useFilePathInContext()
-                                    ? reader.getLanguageAndFileInfo()
-                                    : QString(),
-                                Settings::contextSettings().useProjectChangesCache() ? recentChanges
-                                                                                     : QString());
-
-    return {QString("%1%2").arg(contextBefore, accumulatedCompletion), contextAfter, instructions};
-}
-
-void LLMClientInterface::updateProvider()
-{
-    m_serverUrl = QUrl(QString("%1%2").arg(Settings::generalSettings().url(),
-                                           Settings::generalSettings().endPoint()));
-}
-
-void LLMClientInterface::sendCompletionToClient(const QString &completion,
-                                                const QJsonObject &request,
-                                                const QJsonObject &position,
-                                                bool isComplete)
+void LLMClientInterface::sendErrorResponse(const QJsonObject &request, const QString &errorMessage)
 {
     QJsonObject response;
     response["jsonrpc"] = "2.0";
     response[LanguageServerProtocol::idKey] = request["id"];
+    
+    QJsonObject errorObject;
+    errorObject["code"] = -32603; // Internal error code
+    errorObject["message"] = errorMessage;
+    response["error"] = errorObject;
+    
+    emit messageReceived(LanguageServerProtocol::JsonRpcMessage(response));
+    
+    // End performance measurement if it was started
+    QString requestId = request["id"].toString();
+    m_performanceLogger.endTimeMeasurement(requestId);
+}
+
+void LLMClientInterface::handleCompletion(const QJsonObject &request)
+{
+    auto filePath = Context::extractFilePathFromRequest(request);
+    auto documentInfo = m_documentReader.readDocument(filePath);
+    if (!documentInfo.document) {
+        QString error = QString("Document is not available: %1").arg(filePath);
+        LOG_MESSAGE("Error: " + error);
+        sendErrorResponse(request, error);
+        return;
+    }
+
+    auto updatedContext = prepareContext(request, documentInfo);
+
+    bool isPreset1Active = m_contextManager->isSpecifyCompletion(documentInfo);
+
+    const auto providerName = !isPreset1Active ? m_generalSettings.ccProvider()
+                                               : m_generalSettings.ccPreset1Provider();
+    const auto modelName = !isPreset1Active ? m_generalSettings.ccModel()
+                                            : m_generalSettings.ccPreset1Model();
+    const auto url = !isPreset1Active ? m_generalSettings.ccUrl()
+                                      : m_generalSettings.ccPreset1Url();
+
+    const auto provider = m_providerRegistry.getProviderByName(providerName);
+
+    if (!provider) {
+        QString error = QString("No provider found with name: %1").arg(providerName);
+        LOG_MESSAGE(error);
+        sendErrorResponse(request, error);
+        return;
+    }
+
+    auto templateName = !isPreset1Active ? m_generalSettings.ccTemplate()
+                                         : m_generalSettings.ccPreset1Template();
+
+    auto promptTemplate = m_promptProvider->getTemplateByName(templateName);
+
+    if (!promptTemplate) {
+        QString error = QString("No template found with name: %1").arg(templateName);
+        LOG_MESSAGE(error);
+        sendErrorResponse(request, error);
+        return;
+    }
+
+    QJsonObject payload{{"model", modelName}, {"stream", true}};
+
+    const auto stopWords = QJsonArray::fromStringList(promptTemplate->stopWords());
+    if (!stopWords.isEmpty())
+        payload["stop"] = stopWords;
+
+    QString systemPrompt;
+    if (m_completeSettings.useSystemPrompt())
+        systemPrompt.append(
+            m_completeSettings.useUserMessageTemplateForCC()
+                    && promptTemplate->type() == PluginLLMCore::TemplateType::Chat
+                ? m_completeSettings.systemPromptForNonFimModels()
+                : m_completeSettings.systemPrompt());
+
+    auto project = PluginLLMCore::RulesLoader::getActiveProject();
+    if (project) {
+        QString projectRules
+            = PluginLLMCore::RulesLoader::loadRulesForProject(project, PluginLLMCore::RulesContext::Completions);
+
+        if (!projectRules.isEmpty()) {
+            systemPrompt += "\n\n# Project Rules\n\n" + projectRules;
+            LOG_MESSAGE("Loaded project rules for completion");
+        }
+    }
+
+    if (updatedContext.fileContext.has_value())
+        systemPrompt.append(updatedContext.fileContext.value());
+
+    if (m_completeSettings.useOpenFilesContext()) {
+        if (provider->providerID() == PluginLLMCore::ProviderID::LlamaCpp) {
+            for (const auto openedFilePath : m_contextManager->openedFiles({filePath})) {
+                if (!updatedContext.filesMetadata) {
+                    updatedContext.filesMetadata = QList<PluginLLMCore::FileMetadata>();
+                }
+                updatedContext.filesMetadata->append({openedFilePath.first, openedFilePath.second});
+            }
+        } else {
+            systemPrompt.append(m_contextManager->openedFilesContext({filePath}));
+        }
+    }
+
+    updatedContext.systemPrompt = systemPrompt;
+
+    if (promptTemplate->type() == PluginLLMCore::TemplateType::Chat) {
+        QString userMessage;
+        if (m_completeSettings.useUserMessageTemplateForCC()) {
+            userMessage = m_completeSettings.processMessageToFIM(
+                updatedContext.prefix.value_or(""), updatedContext.suffix.value_or(""));
+        } else {
+            userMessage = updatedContext.prefix.value_or("") + updatedContext.suffix.value_or("");
+        }
+
+        // TODO refactor add message
+        QVector<PluginLLMCore::Message> messages;
+        messages.append({"user", userMessage});
+        updatedContext.history = messages;
+    }
+
+    provider->prepareRequest(
+        payload,
+        promptTemplate,
+        updatedContext,
+        PluginLLMCore::RequestType::CodeCompletion,
+        false,
+        false);
+
+    connect(
+        provider->client(),
+        &::LLMQore::BaseClient::requestCompleted,
+        this,
+        &LLMClientInterface::handleFullResponse,
+        Qt::UniqueConnection);
+    connect(
+        provider->client(),
+        &::LLMQore::BaseClient::requestFailed,
+        this,
+        &LLMClientInterface::handleRequestFailed,
+        Qt::UniqueConnection);
+
+    auto requestId
+        = provider->sendRequest(QUrl(url), payload, resolveEndpoint(promptTemplate, isPreset1Active));
+    m_activeRequests[requestId] = {request, provider};
+    m_performanceLogger.startTimeMeasurement(requestId);
+}
+
+PluginLLMCore::ContextData LLMClientInterface::prepareContext(
+    const QJsonObject &request, const Context::DocumentInfo &documentInfo)
+{
+    QJsonObject params = request["params"].toObject();
+    QJsonObject doc = params["doc"].toObject();
+    QJsonObject position = doc["position"].toObject();
+    int cursorPosition = position["character"].toInt();
+    int lineNumber = position["line"].toInt();
+
+    Context::DocumentContextReader
+        reader(documentInfo.document, documentInfo.mimeType, documentInfo.filePath);
+    return reader.prepareContext(lineNumber, cursorPosition, m_completeSettings);
+}
+
+QString LLMClientInterface::resolveEndpoint(
+    PluginLLMCore::PromptTemplate *promptTemplate, bool isLanguageSpecify) const
+{
+    const QString custom = isLanguageSpecify ? m_generalSettings.ccPreset1CustomEndpoint()
+                                             : m_generalSettings.ccCustomEndpoint();
+    return !custom.isEmpty() ? custom : promptTemplate->endpoint();
+}
+
+Context::ContextManager *LLMClientInterface::contextManager() const
+{
+    return m_contextManager;
+}
+
+void LLMClientInterface::sendCompletionToClient(
+    const QString &completion, const QJsonObject &request, bool isComplete)
+{
+    auto filePath = Context::extractFilePathFromRequest(request);
+    auto documentInfo = m_documentReader.readDocument(filePath);
+    bool isPreset1Active = m_contextManager->isSpecifyCompletion(documentInfo);
+
+    auto templateName = !isPreset1Active ? m_generalSettings.ccTemplate()
+                                         : m_generalSettings.ccPreset1Template();
+
+    auto promptTemplate = m_promptProvider->getTemplateByName(templateName);
+
+    QJsonObject position = request["params"].toObject()["doc"].toObject()["position"].toObject();
+
+    QJsonObject response;
+    response["jsonrpc"] = "2.0";
+    response[LanguageServerProtocol::idKey] = request["id"];
+
     QJsonObject result;
     QJsonArray completions;
     QJsonObject completionItem;
-    completionItem[LanguageServerProtocol::textKey] = completion;
+
+    LOG_MESSAGE(QString("Completions before filter: \n%1").arg(completion));
+
+    QString outputHandler = m_completeSettings.modelOutputHandler.stringValue();
+    QString processedCompletion;
+
+    if (outputHandler == "Raw text") {
+        processedCompletion = completion;
+    } else if (outputHandler == "Force processing") {
+        processedCompletion = CodeHandler::processText(completion,
+                                                       Context::extractFilePathFromRequest(request));
+    } else { // "Auto"
+        processedCompletion = CodeHandler::hasCodeBlocks(completion)
+                                  ? CodeHandler::processText(completion,
+                                                             Context::extractFilePathFromRequest(
+                                                                 request))
+                                  : completion;
+    }
+
+    if (processedCompletion.endsWith('\n')) {
+        QString withoutTrailing = processedCompletion.chopped(1);
+        if (!withoutTrailing.contains('\n')) {
+            LOG_MESSAGE(QString("Removed trailing newline from single-line completion"));
+            processedCompletion = withoutTrailing;
+        }
+    }
+
+    completionItem[LanguageServerProtocol::textKey] = processedCompletion;
+    
     QJsonObject range;
     range["start"] = position;
-    QJsonObject end = position;
-    end["character"] = position["character"].toInt() + completion.length();
-    range["end"] = end;
+    range["end"] = position;
+    
     completionItem[LanguageServerProtocol::rangeKey] = range;
     completionItem[LanguageServerProtocol::positionKey] = position;
     completions.append(completionItem);
@@ -325,104 +426,17 @@ void LLMClientInterface::sendCompletionToClient(const QString &completion,
     result[LanguageServerProtocol::isIncompleteKey] = !isComplete;
     response[LanguageServerProtocol::resultKey] = result;
 
-    logMessage(
+    LOG_MESSAGE(
         QString("Completions: \n%1")
             .arg(QString::fromUtf8(QJsonDocument(completions).toJson(QJsonDocument::Indented))));
 
-    logMessage(QString("Full response: \n%1")
-                   .arg(QString::fromUtf8(QJsonDocument(response).toJson(QJsonDocument::Indented))));
+    LOG_MESSAGE(
+        QString("Full response: \n%1")
+            .arg(QString::fromUtf8(QJsonDocument(response).toJson(QJsonDocument::Indented))));
 
     QString requestId = request["id"].toString();
-    endTimeMeasurement(requestId);
+    m_performanceLogger.endTimeMeasurement(requestId);
     emit messageReceived(LanguageServerProtocol::JsonRpcMessage(response));
 }
 
-void LLMClientInterface::sendLLMRequest(const QJsonObject &request, const ContextData &prompt)
-{
-    QJsonObject providerRequest = {{"model", Settings::generalSettings().modelName.value()},
-                                   {"stream", true}};
-
-    auto currentTemplate = PromptTemplateManager::instance().getCurrentTemplate();
-    currentTemplate->prepareRequest(providerRequest, prompt);
-
-    auto &providerManager = LLMProvidersManager::instance();
-    providerManager.getCurrentProvider()->prepareRequest(providerRequest);
-
-    logMessage(QString("Sending request to llm: \nurl: %1\nRequest body:\n%2")
-                   .arg(m_serverUrl.toString(),
-                        QString::fromUtf8(
-                            QJsonDocument(providerRequest).toJson(QJsonDocument::Indented))));
-
-    QNetworkRequest networkRequest(m_serverUrl);
-    networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
-
-    if (providerRequest.contains("api_key")) {
-        QString apiKey = providerRequest["api_key"].toString();
-        networkRequest.setRawHeader("Authorization", QString("Bearer %1").arg(apiKey).toUtf8());
-        providerRequest.remove("api_key");
-    }
-
-    QNetworkReply *reply = m_manager->post(networkRequest, QJsonDocument(providerRequest).toJson());
-    if (!reply) {
-        logMessage("Error: Failed to create network reply");
-        return;
-    }
-
-    QString requestId = request["id"].toString();
-    m_activeRequests[requestId] = reply;
-
-    connect(reply, &QNetworkReply::readyRead, this, [this, reply, request]() {
-        handleLLMResponse(reply, request);
-    });
-
-    connect(reply, &QNetworkReply::finished, this, [this, reply, requestId]() {
-        reply->deleteLater();
-        m_activeRequests.remove(requestId);
-        if (reply->error() != QNetworkReply::NoError) {
-            logMessage(QString("Error in QodeAssist request: %1").arg(reply->errorString()));
-        } else {
-            logMessage("Request finished successfully");
-        }
-    });
-}
-
-QString LLMClientInterface::removeStopWords(const QStringView &completion)
-{
-    QString filteredCompletion = completion.toString();
-
-    auto currentTemplate = PromptTemplateManager::instance().getCurrentTemplate();
-    QStringList stopWords = currentTemplate->stopWords();
-
-    for (const QString &stopWord : stopWords) {
-        filteredCompletion = filteredCompletion.replace(stopWord, "");
-    }
-
-    return filteredCompletion;
-}
-
-void LLMClientInterface::startTimeMeasurement(const QString &requestId)
-{
-    m_requestStartTimes[requestId] = QDateTime::currentMSecsSinceEpoch();
-}
-
-void LLMClientInterface::endTimeMeasurement(const QString &requestId)
-{
-    if (m_requestStartTimes.contains(requestId)) {
-        qint64 startTime = m_requestStartTimes[requestId];
-        qint64 endTime = QDateTime::currentMSecsSinceEpoch();
-        qint64 totalTime = endTime - startTime;
-        logPerformance(requestId, "TotalCompletionTime", totalTime);
-        m_requestStartTimes.remove(requestId);
-    }
-}
-
-void LLMClientInterface::logPerformance(const QString &requestId,
-                                        const QString &operation,
-                                        qint64 elapsedMs)
-{
-    logMessage(QString("Performance: %1 %2 took %3 ms").arg(requestId, operation).arg(elapsedMs));
-}
-
-void LLMClientInterface::parseCurrentMessage() {}
-
 } // namespace QodeAssist

LLMClientInterface.hpp

@@ -1,28 +1,20 @@
-/* 
- * Copyright (C) 2024 Petr Mironychev
- *
- * This file is part of QodeAssist.
- *
- * QodeAssist is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * QodeAssist is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
- */
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
 
 #pragma once
 
 #include <languageclient/languageclientinterface.h>
 #include <texteditor/texteditor.h>
 
-#include "QodeAssistData.hpp"
+#include <context/ContextManager.hpp>
+#include <context/IDocumentReader.hpp>
+#include <context/ProgrammingLanguage.hpp>
+#include <pluginllmcore/ContextData.hpp>
+#include <pluginllmcore/IPromptProvider.hpp>
+#include <pluginllmcore/IProviderRegistry.hpp>
+#include <logger/IRequestPerformanceLogger.hpp>
+#include <settings/CodeCompletionSettings.hpp>
+#include <settings/GeneralSettings.hpp>
 
 class QNetworkReply;
 class QNetworkAccessManager;
@@ -34,29 +26,33 @@ class LLMClientInterface : public LanguageClient::BaseClientInterface
     Q_OBJECT
 
 public:
-    LLMClientInterface();
+    LLMClientInterface(
+        const Settings::GeneralSettings &generalSettings,
+        const Settings::CodeCompletionSettings &completeSettings,
+        PluginLLMCore::IProviderRegistry &providerRegistry,
+        PluginLLMCore::IPromptProvider *promptProvider,
+        Context::IDocumentReader &documentReader,
+        IRequestPerformanceLogger &performanceLogger);
+    ~LLMClientInterface() override;
 
-public:
     Utils::FilePath serverDeviceTemplate() const override;
 
-    void sendCompletionToClient(const QString &completion,
-                                const QJsonObject &request,
-                                const QJsonObject &position,
-                                bool isComplete);
+    void sendCompletionToClient(
+        const QString &completion, const QJsonObject &request, bool isComplete);
 
-    void handleCompletion(const QJsonObject &request,
-                          const QStringView &accumulatedCompletion = QString());
-    void sendLLMRequest(const QJsonObject &request, const ContextData &prompt);
-    void handleLLMResponse(QNetworkReply *reply, const QJsonObject &request);
+    void handleCompletion(const QJsonObject &request);
 
-    ContextData prepareContext(const QJsonObject &request,
-                               const QStringView &accumulatedCompletion = QString{});
-    void updateProvider();
+    // exposed for tests
+    void sendData(const QByteArray &data) override;
+
+    Context::ContextManager *contextManager() const;
 
 protected:
     void startImpl() override;
-    void sendData(const QByteArray &data) override;
-    void parseCurrentMessage() override;
+
+private slots:
+    void handleFullResponse(const QString &requestId, const QString &fullText);
+    void handleRequestFailed(const QString &requestId, const QString &error);
 
 private:
     void handleInitialize(const QJsonObject &request);
@@ -64,26 +60,30 @@ private:
     void handleTextDocumentDidOpen(const QJsonObject &request);
     void handleInitialized(const QJsonObject &request);
     void handleExit(const QJsonObject &request);
-    void handleCancelRequest(const QJsonObject &request);
-    bool processSingleLineCompletion(QNetworkReply *reply,
-                                     const QJsonObject &request,
-                                     const QString &accumulatedCompletion);
+    void handleCancelRequest();
+    void sendErrorResponse(const QJsonObject &request, const QString &errorMessage);
 
-    QString сontextBefore(TextEditor::TextEditorWidget *widget, int lineNumber, int cursorPosition);
-    QString сontextAfter(TextEditor::TextEditorWidget *widget, int lineNumber, int cursorPosition);
-    QString removeStopWords(const QStringView &completion);
+    struct RequestContext
+    {
+        QJsonObject originalRequest;
+        PluginLLMCore::Provider *provider;
+    };
 
-    QUrl m_serverUrl;
-    QNetworkAccessManager *m_manager;
-    QMap<QString, QNetworkReply *> m_activeRequests;
-    QMap<QNetworkReply *, QString> m_accumulatedResponses;
+    PluginLLMCore::ContextData prepareContext(
+        const QJsonObject &request, const Context::DocumentInfo &documentInfo);
 
+    QString resolveEndpoint(
+        PluginLLMCore::PromptTemplate *promptTemplate, bool isLanguageSpecify) const;
+
+    const Settings::CodeCompletionSettings &m_completeSettings;
+    const Settings::GeneralSettings &m_generalSettings;
+    PluginLLMCore::IPromptProvider *m_promptProvider = nullptr;
+    PluginLLMCore::IProviderRegistry &m_providerRegistry;
+    Context::IDocumentReader &m_documentReader;
+    IRequestPerformanceLogger &m_performanceLogger;
     QElapsedTimer m_completionTimer;
-    QMap<QString, qint64> m_requestStartTimes;
-
-    void startTimeMeasurement(const QString &requestId);
-    void endTimeMeasurement(const QString &requestId);
-    void logPerformance(const QString &requestId, const QString &operation, qint64 elapsedMs);
+    Context::ContextManager *m_contextManager;
+    QHash<QString, RequestContext> m_activeRequests;
 };
 
 } // namespace QodeAssist

LLMProvidersManager.cpp

@@ -1,56 +0,0 @@
-/* 
- * Copyright (C) 2024 Petr Mironychev
- *
- * This file is part of QodeAssist.
- *
- * QodeAssist is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * QodeAssist is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
- */
-
-#include "LLMProvidersManager.hpp"
-
-namespace QodeAssist {
-
-LLMProvidersManager &LLMProvidersManager::instance()
-{
-    static LLMProvidersManager instance;
-    return instance;
-}
-
-QStringList LLMProvidersManager::getProviderNames() const
-{
-    return m_providers.keys();
-}
-
-void LLMProvidersManager::setCurrentProvider(const QString &name)
-{
-    if (m_providers.contains(name)) {
-        m_currentProviderName = name;
-    }
-}
-
-Providers::LLMProvider *LLMProvidersManager::getCurrentProvider()
-{
-    if (m_currentProviderName.isEmpty()) {
-        return nullptr;
-    }
-
-    return m_providers[m_currentProviderName];
-}
-
-LLMProvidersManager::~LLMProvidersManager()
-{
-    qDeleteAll(m_providers);
-}
-
-} // namespace QodeAssist

LLMProvidersManager.hpp

@@ -1,58 +0,0 @@
-/* 
- * Copyright (C) 2024 Petr Mironychev
- *
- * This file is part of QodeAssist.
- *
- * QodeAssist is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * QodeAssist is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-#include <QString>
-
-#include "providers/LLMProvider.hpp"
-
-namespace QodeAssist {
-
-class LLMProvidersManager
-{
-public:
-    static LLMProvidersManager &instance();
-
-    template<typename T>
-    void registerProvider()
-    {
-        static_assert(std::is_base_of<Providers::LLMProvider, T>::value,
-                      "T must inherit from LLMProvider");
-        T *provider = new T();
-        QString name = provider->name();
-        m_providers[name] = provider;
-    }
-
-    QStringList getProviderNames() const;
-    void setCurrentProvider(const QString &name);
-    Providers::LLMProvider *getCurrentProvider();
-
-    ~LLMProvidersManager();
-
-private:
-    LLMProvidersManager() = default;
-    LLMProvidersManager(const LLMProvidersManager &) = delete;
-    LLMProvidersManager &operator=(const LLMProvidersManager &) = delete;
-
-    QMap<QString, Providers::LLMProvider *> m_providers;
-    QString m_currentProviderName;
-};
-
-} // namespace QodeAssist

LLMSuggestion.cpp

@@ -1,124 +1,222 @@
-/* 
- * Copyright (C) 2024 Petr Mironychev
- *
- * This file is part of QodeAssist.
- *
- * QodeAssist is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * QodeAssist is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
- */
+// Copyright (C) 2023 The Qt Company Ltd.
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
 
 #include "LLMSuggestion.hpp"
-
-#include <QTextCursor>
-#include <QtWidgets/qtoolbar.h>
 #include <texteditor/texteditor.h>
 #include <utils/stringutils.h>
 #include <utils/tooltip/tooltip.h>
 
 namespace QodeAssist {
 
-LLMSuggestion::LLMSuggestion(const Completion &completion, QTextDocument *origin)
-    : m_completion(completion)
-    , m_linesCount(0)
+static bool isClosingTail(const QString &s, int from)
 {
-    int startPos = completion.range().start().toPositionInDocument(origin);
-    int endPos = completion.range().end().toPositionInDocument(origin);
+    static const QString closeChars = QStringLiteral("(){}[];,");
+    for (int i = from; i < s.size(); ++i) {
+        const QChar c = s.at(i);
+        if (!c.isSpace() && !closeChars.contains(c))
+            return false;
+    }
+    return true;
+}
 
-    startPos = qBound(0, startPos, origin->characterCount() - 1);
-    endPos = qBound(startPos, endPos, origin->characterCount() - 1);
+int LLMSuggestion::calculateReplaceLength(const QString &suggestion, const QString &rightText)
+{
+    if (rightText.isEmpty())
+        return 0;
 
-    m_start = QTextCursor(origin);
-    m_start.setPosition(startPos);
-    m_start.setKeepPositionOnInsert(true);
+    const int maxN = qMin(suggestion.size(), rightText.size());
+    int lcp = 0;
+    while (lcp < maxN && suggestion.at(lcp) == rightText.at(lcp))
+        ++lcp;
 
-    QTextCursor cursor(origin);
+    if (lcp > 0) {
+        if (isClosingTail(rightText, lcp))
+            return rightText.size();
+        return lcp;
+    }
+
+    if (!isClosingTail(rightText, 0))
+        return 0;
+
+    static const QString closeChars = QStringLiteral("(){}[];,");
+    int i = suggestion.size() - 1;
+    while (i >= 0 && suggestion.at(i).isSpace())
+        --i;
+    if (i >= 0 && closeChars.contains(suggestion.at(i)) && rightText.contains(suggestion.at(i)))
+        return rightText.size();
+
+    return 0;
+}
+
+LLMSuggestion::LLMSuggestion(
+    const QList<Data> &suggestions, QTextDocument *sourceDocument, int currentCompletion)
+    : TextEditor::CyclicSuggestion(suggestions, sourceDocument, currentCompletion)
+{
+    const auto &data = suggestions[currentCompletion];
+
+    int startPos = data.range.begin.toPositionInDocument(sourceDocument);
+
+    startPos = qBound(0, startPos, sourceDocument->characterCount());
+
+    QTextCursor cursor(sourceDocument);
     cursor.setPosition(startPos);
-    cursor.setPosition(endPos, QTextCursor::KeepAnchor);
-
     QTextBlock block = cursor.block();
     QString blockText = block.text();
 
-    int startPosInBlock = startPos - block.position();
-    int endPosInBlock = endPos - block.position();
+    int cursorPositionInBlock = cursor.positionInBlock();
+    QString leftText = blockText.left(cursorPositionInBlock);
+    QString rightText = blockText.mid(cursorPositionInBlock);
 
-    blockText.replace(startPosInBlock, endPosInBlock - startPosInBlock, completion.text());
+    QString suggestionText = data.text;
 
-    document()->setPlainText(blockText);
+    if (!suggestionText.contains('\n')) {
+        int replaceLength = calculateReplaceLength(suggestionText, rightText);
+        QString remainingRightText = (replaceLength > 0) ? rightText.mid(replaceLength) : rightText;
 
-    setCurrentPosition(m_start.position());
-}
+        QString displayText = leftText + suggestionText + remainingRightText;
+        replacementDocument()->setPlainText(displayText);
+    } else {
+        int firstLineEnd = suggestionText.indexOf('\n');
+        QString firstLine = suggestionText.left(firstLineEnd);
+        QString restOfCompletion = suggestionText.mid(firstLineEnd);
 
-bool LLMSuggestion::apply()
-{
-    QTextCursor cursor = m_completion.range().toSelection(m_start.document());
-    cursor.beginEditBlock();
-    cursor.removeSelectedText();
-    cursor.insertText(m_completion.text());
-    cursor.endEditBlock();
-    return true;
+        int replaceLength = calculateReplaceLength(firstLine, rightText);
+        QString remainingRightText = (replaceLength > 0) ? rightText.mid(replaceLength) : rightText;
+
+        QString displayText = leftText + firstLine + remainingRightText + restOfCompletion;
+        replacementDocument()->setPlainText(displayText);
+    }
 }
 
 bool LLMSuggestion::applyWord(TextEditor::TextEditorWidget *widget)
 {
-    return applyNextLine(widget);
+    return applyPart(Word, widget);
 }
 
-bool LLMSuggestion::applyNextLine(TextEditor::TextEditorWidget *widget)
+bool LLMSuggestion::applyLine(TextEditor::TextEditorWidget *widget)
 {
-    const QString text = m_completion.text();
-    QStringList lines = text.split('\n');
-
-    if (m_linesCount < lines.size())
-        m_linesCount++;
-
-    showTooltip(widget, m_linesCount);
-
-    return m_linesCount == lines.size() && !Utils::ToolTip::isVisible();
+    return applyPart(Line, widget);
 }
 
-void LLMSuggestion::onCounterFinished(int count)
+bool LLMSuggestion::applyPart(Part part, TextEditor::TextEditorWidget *widget)
 {
-    Utils::ToolTip::hide();
-    m_linesCount = 0;
-    QTextCursor cursor = m_completion.range().toSelection(m_start.document());
-    cursor.beginEditBlock();
-    cursor.removeSelectedText();
+    const auto &currentSuggestions = suggestions();
+    const auto &currentData = currentSuggestions[currentSuggestion()];
+    const Utils::Text::Range range = currentData.range;
+    const QTextCursor cursor = range.begin.toTextCursor(sourceDocument());
+    QTextCursor currentCursor = widget->textCursor();
+    const QString text = currentData.text;
 
-    QStringList lines = m_completion.text().split('\n');
-    QString textToInsert = lines.mid(0, count).join('\n');
+    const int startPos = currentCursor.positionInBlock() - cursor.positionInBlock()
+                         + (cursor.selectionEnd() - cursor.selectionStart());
 
-    cursor.insertText(textToInsert);
-    cursor.endEditBlock();
+    int next = part == Word ? Utils::endOfNextWord(text, startPos) : text.indexOf('\n', startPos);
+
+    if (next == -1) {
+        if (part == Line) {
+            next = text.length();
+        } else {
+            return apply();
+        }
+    }
+
+    if (part == Line)
+        ++next;
+
+    QString subText = text.mid(startPos, next - startPos);
+
+    if (subText.isEmpty()) {
+        return false;
+    }
+
+    if (startPos == 0) {
+        QTextBlock currentBlock = cursor.block();
+        QString textAfterCursor = currentBlock.text().mid(cursor.positionInBlock());
+
+        int replaceLength = calculateReplaceLength(text, textAfterCursor);
+
+        if (replaceLength > 0) {
+            currentCursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, replaceLength);
+            currentCursor.removeSelectedText();
+        }
+    }
+
+    if (!subText.contains('\n')) {
+        currentCursor.insertText(subText);
+
+        const QString remainingText = text.mid(next);
+        if (!remainingText.isEmpty()) {
+            QTextCursor newCursor = widget->textCursor();
+            const Utils::Text::Position newStart = Utils::Text::Position::fromPositionInDocument(
+                newCursor.document(), newCursor.position());
+            const Utils::Text::Position
+                newEnd{newStart.line, newStart.column + int(remainingText.length())};
+            const Utils::Text::Range newRange{newStart, newEnd};
+            const QList<Data> newSuggestion{{newRange, newStart, remainingText}};
+            widget->insertSuggestion(
+                std::make_unique<LLMSuggestion>(newSuggestion, widget->document(), 0));
+        }
+    } else {
+        currentCursor.insertText(subText);
+
+        if (const int seperatorPos = subText.lastIndexOf('\n'); seperatorPos >= 0) {
+            const QString newCompletionText = text.mid(startPos + seperatorPos + 1);
+            if (!newCompletionText.isEmpty()) {
+                const Utils::Text::Position newStart{int(range.begin.line + subText.count('\n')), 0};
+                const Utils::Text::Position newEnd{newStart.line, int(newCompletionText.length())};
+                const Utils::Text::Range newRange{newStart, newEnd};
+                const QList<Data> newSuggestion{{newRange, newEnd, newCompletionText}};
+                widget->insertSuggestion(
+                    std::make_unique<LLMSuggestion>(newSuggestion, widget->document(), 0));
+            }
+        }
+    }
+
+    return false;
 }
 
-void LLMSuggestion::reset()
+bool LLMSuggestion::apply()
 {
-    m_start.removeSelectedText();
-}
+    const auto &currentSuggestions = suggestions();
+    const auto &currentData = currentSuggestions[currentSuggestion()];
+    const Utils::Text::Range range = currentData.range;
+    const QTextCursor cursor = range.begin.toTextCursor(sourceDocument());
+    QString text = currentData.text;
 
-int LLMSuggestion::position()
-{
-    return m_start.position();
-}
+    QTextBlock currentBlock = cursor.block();
+    QString textAfterCursor = currentBlock.text().mid(cursor.positionInBlock());
 
-void LLMSuggestion::showTooltip(TextEditor::TextEditorWidget *widget, int count)
-{
-    Utils::ToolTip::hide();
-    QPoint pos = widget->mapToGlobal(widget->cursorRect().topRight());
-    pos += QPoint(-10, -50);
-    m_counterTooltip = new CounterTooltip(count);
-    Utils::ToolTip::show(pos, m_counterTooltip, widget);
-    connect(m_counterTooltip, &CounterTooltip::finished, this, &LLMSuggestion::onCounterFinished);
+    QTextCursor editCursor = cursor;
+    editCursor.beginEditBlock();
+
+    int firstLineEnd = text.indexOf('\n');
+    if (firstLineEnd != -1) {
+        QString firstLine = text.left(firstLineEnd);
+        QString restOfText = text.mid(firstLineEnd);
+
+        int replaceLength = calculateReplaceLength(firstLine, textAfterCursor);
+
+        if (replaceLength > 0) {
+            editCursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, replaceLength);
+            editCursor.removeSelectedText();
+        }
+
+        editCursor.insertText(firstLine + restOfText);
+    } else {
+        int replaceLength = calculateReplaceLength(text, textAfterCursor);
+
+        if (replaceLength > 0) {
+            editCursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, replaceLength);
+            editCursor.removeSelectedText();
+        }
+
+        editCursor.insertText(text);
+    }
+
+    editCursor.endEditBlock();
+    return true;
 }
 
 } // namespace QodeAssist
+

LLMSuggestion.hpp

@@ -1,8 +1,13 @@
-/* 
- * Copyright (C) 2024 Petr Mironychev
+/*
+ * Copyright (C) 2023 The Qt Company Ltd.
+ * Copyright (C) 2024-2026 Petr Mironychev
  *
  * This file is part of QodeAssist.
  *
+ * The Qt Company portions:
+ * SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
+ *
+ * Petr Mironychev portions:
  * QodeAssist is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -19,37 +24,24 @@
 
 #pragma once
 
-#include <QObject>
-#include "LSPCompletion.hpp"
-#include <texteditor/textdocumentlayout.h>
-
-#include "utils/CounterTooltip.hpp"
+#include <texteditor/texteditor.h>
+#include <texteditor/textsuggestion.h>
 
 namespace QodeAssist {
 
-class LLMSuggestion final : public QObject, public TextEditor::TextSuggestion
+class LLMSuggestion : public TextEditor::CyclicSuggestion
 {
-    Q_OBJECT
 public:
-    LLMSuggestion(const Completion &completion, QTextDocument *origin);
+    enum Part { Word, Line };
 
-    bool apply() final;
-    bool applyWord(TextEditor::TextEditorWidget *widget) final;
-    bool applyNextLine(TextEditor::TextEditorWidget *widget);
-    void reset() final;
-    int position() final;
+    LLMSuggestion(
+        const QList<Data> &suggestions, QTextDocument *sourceDocument, int currentCompletion = 0);
 
-    const Completion &completion() const { return m_completion; }
+    bool applyWord(TextEditor::TextEditorWidget *widget) override;
+    bool applyLine(TextEditor::TextEditorWidget *widget) override;
+    bool applyPart(Part part, TextEditor::TextEditorWidget *widget);
+    bool apply() override;
 
-    void showTooltip(TextEditor::TextEditorWidget *widget, int count);
-    void onCounterFinished(int count);
-
-private:
-    Completion m_completion;
-    QTextCursor m_start;
-    int m_linesCount;
-
-    CounterTooltip *m_counterTooltip = nullptr;
+    static int calculateReplaceLength(const QString &suggestion, const QString &rightText);
 };
-
 } // namespace QodeAssist

LSPCompletion.hpp

@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2023 The Qt Company Ltd.
- * Copyright (C) 2024 Petr Mironychev
+ * Copyright (C) 2024-2026 Petr Mironychev
  *
  * This file is part of QodeAssist.
  *
@@ -68,9 +68,10 @@ class GetCompletionParams : public LanguageServerProtocol::JsonObject
 public:
     static constexpr LanguageServerProtocol::Key docKey{"doc"};
 
-    GetCompletionParams(const LanguageServerProtocol::TextDocumentIdentifier &document,
-                        int version,
-                        const LanguageServerProtocol::Position &position)
+    GetCompletionParams(
+        const LanguageServerProtocol::TextDocumentIdentifier &document,
+        int version,
+        const LanguageServerProtocol::Position &position)
     {
         setTextDocument(document);
         setVersion(version);

PromptTemplateManager.cpp

@@ -1,53 +0,0 @@
-/* 
- * Copyright (C) 2024 Petr Mironychev
- *
- * This file is part of QodeAssist.
- *
- * QodeAssist is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * QodeAssist is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
- */
-
-#include "PromptTemplateManager.hpp"
-
-namespace QodeAssist {
-
-PromptTemplateManager &PromptTemplateManager::instance()
-{
-    static PromptTemplateManager instance;
-    return instance;
-}
-
-void PromptTemplateManager::setCurrentTemplate(const QString &name)
-{
-    if (m_templates.contains(name)) {
-        m_currentTemplateName = name;
-    }
-}
-
-const Templates::PromptTemplate *PromptTemplateManager::getCurrentTemplate() const
-{
-    auto it = m_templates.find(m_currentTemplateName);
-    return it != m_templates.end() ? it.value() : nullptr;
-}
-
-QStringList PromptTemplateManager::getTemplateNames() const
-{
-    return m_templates.keys();
-}
-
-PromptTemplateManager::~PromptTemplateManager()
-{
-    qDeleteAll(m_templates);
-}
-
-} // namespace QodeAssist

PromptTemplateManager.hpp

@@ -1,59 +0,0 @@
-/* 
- * Copyright (C) 2024 Petr Mironychev
- *
- * This file is part of QodeAssist.
- *
- * QodeAssist is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * QodeAssist is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-#include <QMap>
-#include <QString>
-
-#include "templates/PromptTemplate.hpp"
-
-namespace QodeAssist {
-
-class PromptTemplateManager
-{
-public:
-    static PromptTemplateManager &instance();
-
-    template<typename T>
-    void registerTemplate()
-    {
-        static_assert(std::is_base_of<Templates::PromptTemplate, T>::value,
-                      "T must inherit from PromptTemplate");
-        T *template_ptr = new T();
-        QString name = template_ptr->name();
-        m_templates[name] = template_ptr;
-    }
-
-    void setCurrentTemplate(const QString &name);
-    const Templates::PromptTemplate *getCurrentTemplate() const;
-    QStringList getTemplateNames() const;
-
-    ~PromptTemplateManager();
-
-private:
-    PromptTemplateManager() = default;
-    PromptTemplateManager(const PromptTemplateManager &) = delete;
-    PromptTemplateManager &operator=(const PromptTemplateManager &) = delete;
-
-    QMap<QString, Templates::PromptTemplate *> m_templates;
-    QString m_currentTemplateName;
-};
-
-} // namespace QodeAssist

QodeAssist.json.in

@@ -1,16 +1,14 @@
 {
+    "Id" : "qodeassist",
     "Name" : "QodeAssist",
-    "Version" : "0.1.2",
-    "CompatVersion" : "${IDE_VERSION_COMPAT}",
+    "Version" : "0.9.13",
+    "CompatVersion" : "${IDE_VERSION}",
     "Vendor" : "Petr Mironychev",
+    "VendorId" : "petrmironychev",
     "Copyright" : "(C) ${IDE_COPYRIGHT_YEAR} Petr Mironychev, (C) ${IDE_COPYRIGHT_YEAR} The Qt Company Ltd",
-    "License" : "GNU General Public License Usage
-
-Alternatively, this file may be used under the terms of the GNU General Public License version 3 as published by the Free Software Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT included in the packaging of this file. Please review the following information to ensure the GNU General Public License requirements will be met: https://www.gnu.org/licenses/gpl-3.0.html.",
-    "Description" : ["QodeAssist is an AI-powered coding assistant for Qt Creator. It provides intelligent code completion and suggestions for your code",
-    "Prerequisites:",
-        "- One of the supported LLM providers installed (e.g., Ollama or LM Studio)",
-        "- A compatible large language model downloaded for your chosen provider (e.g., CodeLlama, StarCoder2)"],
+    "License" : "GPLv3",
+    "Description": "QodeAssist is an AI-powered coding assistant for Qt Creator. It provides intelligent code completion and suggestions for your code. Prerequisites: Requires one of the supported LLM providers installed (e.g., Ollama or LM Studio) and a compatible large language model downloaded for your chosen provider (e.g., CodeLlama, StarCoder2).",
     "Url" : "https://github.com/Palm1r/QodeAssist",
+    "DocumentationUrl" : "https://github.com/Palm1r/QodeAssist",
     ${IDE_PLUGIN_DEPENDENCIES}
 }

QodeAssist.qrc

@@ -2,5 +2,13 @@
     <qresource prefix="/">
         <file>resources/images/qoderassist-icon@2x.png</file>
         <file>resources/images/qoderassist-icon.png</file>
+        <file>resources/images/repeat-last-instruct-icon@2x.png</file>
+        <file>resources/images/repeat-last-instruct-icon.png</file>
+        <file>resources/images/improve-current-code-icon@2x.png</file>
+        <file>resources/images/improve-current-code-icon.png</file>
+        <file>resources/images/suggest-new-icon.png</file>
+        <file>resources/images/suggest-new-icon@2x.png</file>
+        <file>resources/images/qode-assist-chat-icon.png</file>
+        <file>resources/images/qode-assist-chat-icon@2x.png</file>
     </qresource>
 </RCC>

QodeAssistClient.cpp

@@ -1,8 +1,8 @@
 /*
  * Copyright (C) 2023 The Qt Company Ltd.
- * Copyright (C) 2024 Petr Mironychev
+ * Copyright (C) 2024-2026 Petr Mironychev
  *
- * This file is part of Qode Assist.
+ * This file is part of QodeAssist.
  *
  * The Qt Company portions:
  * SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
@@ -24,16 +24,27 @@
 
 #include "QodeAssistClient.hpp"
 
+#include <QApplication>
+#include <QInputDialog>
+#include <QKeyEvent>
 #include <QTimer>
 
+#include <coreplugin/icore.h>
 #include <languageclient/languageclientsettings.h>
 #include <projectexplorer/projectmanager.h>
 
 #include "LLMClientInterface.hpp"
 #include "LLMSuggestion.hpp"
-#include "core/ChangesManager.h"
-#include "settings/ContextSettings.hpp"
+#include "RefactorSuggestion.hpp"
+#include "RefactorSuggestionHoverHandler.hpp"
+#include "settings/CodeCompletionSettings.hpp"
 #include "settings/GeneralSettings.hpp"
+#include "settings/ProjectSettings.hpp"
+#include "settings/QuickRefactorSettings.hpp"
+#include "widgets/RefactorWidgetHandler.hpp"
+#include "RefactorContextHelper.hpp"
+#include <context/ChangesManager.h>
+#include <logger/Logger.hpp>
 
 using namespace LanguageServerProtocol;
 using namespace TextEditor;
@@ -43,11 +54,96 @@ using namespace Core;
 
 namespace QodeAssist {
 
-QodeAssistClient::QodeAssistClient()
-    : LanguageClient::Client(new LLMClientInterface())
+namespace {
+Utils::Text::Position toTextPos(const Utils::Text::Position &pos)
+{
+    return Utils::Text::Position{pos.line, pos.column};
+}
+
+bool isIdentifierChar(QChar c)
+{
+    return c.isLetterOrNumber() || c == QLatin1Char('_');
+}
+
+bool isInsideIdentifier(const QTextCursor &cursor)
+{
+    const QTextBlock block = cursor.block();
+    const int col = cursor.positionInBlock();
+    const QString text = block.text();
+    if (col <= 0 || col > text.size())
+        return false;
+    if (!isIdentifierChar(text.at(col - 1)))
+        return false;
+    return col < text.size() && isIdentifierChar(text.at(col));
+}
+
+bool isAfterMemberAccess(const QTextCursor &cursor)
+{
+    const QTextBlock block = cursor.block();
+    const int col = cursor.positionInBlock();
+    const QString text = block.text();
+    if (col <= 0)
+        return false;
+
+    int i = col - 1;
+    while (i >= 0 && isIdentifierChar(text.at(i)))
+        --i;
+
+    if (i < 0)
+        return false;
+
+    const QChar c = text.at(i);
+    if (c == QLatin1Char('.'))
+        return true;
+    if (c == QLatin1Char('>') && i >= 1 && text.at(i - 1) == QLatin1Char('-'))
+        return true;
+    if (c == QLatin1Char(':') && i >= 1 && text.at(i - 1) == QLatin1Char(':'))
+        return true;
+    return false;
+}
+
+bool isFreshIndentedLine(const QTextCursor &cursor)
+{
+    const QTextBlock block = cursor.block();
+    const int col = cursor.positionInBlock();
+    if (col == 0)
+        return false;
+    const QString leftText = block.text().left(col);
+    for (const QChar &ch : leftText) {
+        if (!ch.isSpace())
+            return false;
+    }
+    return true;
+}
+
+bool isAfterEagerTrigger(const QTextCursor &cursor)
+{
+    const QTextBlock block = cursor.block();
+    const int col = cursor.positionInBlock();
+    const QString text = block.text();
+    int i = col - 1;
+    while (i >= 0 && text.at(i).isSpace())
+        --i;
+    if (i < 0)
+        return false;
+    const QChar c = text.at(i);
+    return c == QLatin1Char('{') || c == QLatin1Char('(') || c == QLatin1Char(',')
+           || c == QLatin1Char('=') || c == QLatin1Char('[') || c == QLatin1Char(';')
+           || c == QLatin1Char(':') || c == QLatin1Char('>');
+}
+
+bool isManualMode()
+{
+    return Settings::codeCompletionSettings().completionMode.stringValue() == "Manual";
+}
+} // anonymous namespace
+
+QodeAssistClient::QodeAssistClient(LLMClientInterface *clientInterface)
+    : LanguageClient::Client(clientInterface)
+    , m_llmClient(clientInterface)
     , m_recentCharCount(0)
 {
-    setName("Qode Assist");
+    setName("QodeAssist");
     LanguageClient::LanguageFilter filter;
     filter.mimeTypes = QStringList() << "*";
     setSupportedLanguage(filter);
@@ -56,11 +152,16 @@ QodeAssistClient::QodeAssistClient()
     setupConnections();
 
     m_typingTimer.start();
+
+    m_refactorHoverHandler = new RefactorSuggestionHoverHandler();
+    m_refactorWidgetHandler = new RefactorWidgetHandler(this);
 }
 
 QodeAssistClient::~QodeAssistClient()
 {
     cleanupConnections();
+    delete m_refactorHoverHandler;
+    delete m_refactorWidgetHandler;
 }
 
 void QodeAssistClient::openDocument(TextEditor::TextDocument *document)
@@ -70,47 +171,81 @@ void QodeAssistClient::openDocument(TextEditor::TextDocument *document)
         return;
 
     Client::openDocument(document);
-    connect(document,
-            &TextDocument::contentsChangedWithPosition,
-            this,
-            [this, document](int position, int charsRemoved, int charsAdded) {
-                Q_UNUSED(charsRemoved)
-                if (!Settings::generalSettings().enableAutoComplete())
-                    return;
 
-                auto project = ProjectManager::projectForFile(document->filePath());
-                if (!isEnabled(project))
-                    return;
+    auto editors = TextEditor::BaseTextEditor::textEditorsForDocument(document);
+    for (auto *editor : editors) {
+        if (auto *widget = editor->editorWidget()) {
+            widget->addHoverHandler(m_refactorHoverHandler);
+            widget->installEventFilter(this);
+        }
+    }
 
-                auto textEditor = BaseTextEditor::currentTextEditor();
-                if (!textEditor || textEditor->document() != document)
-                    return;
+    connect(
+        document,
+        &TextDocument::contentsChangedWithPosition,
+        this,
+        [this, document](int position, int charsRemoved, int charsAdded) {
+            if (!Settings::codeCompletionSettings().autoCompletion())
+                return;
 
-                if (Settings::contextSettings().useProjectChangesCache())
-                    ChangesManager::instance().addChange(document,
-                                                         position,
-                                                         charsRemoved,
-                                                         charsAdded);
+            if (isManualMode())
+                return;
 
-                TextEditorWidget *widget = textEditor->editorWidget();
-                if (widget->isReadOnly() || widget->multiTextCursor().hasMultipleCursors())
-                    return;
-                const int cursorPosition = widget->textCursor().position();
-                if (cursorPosition < position || cursorPosition > position + charsAdded)
-                    return;
+            auto project = ProjectManager::projectForFile(document->filePath());
+            if (!isEnabled(project))
+                return;
 
+            auto textEditor = BaseTextEditor::currentTextEditor();
+            if (!textEditor || textEditor->document() != document)
+                return;
+
+            if (Settings::codeCompletionSettings().useProjectChangesCache())
+                Context::ChangesManager::instance()
+                    .addChange(document, position, charsRemoved, charsAdded);
+
+            TextEditorWidget *widget = textEditor->editorWidget();
+            if (widget->isReadOnly() || widget->multiTextCursor().hasMultipleCursors())
+                return;
+
+            const int cursorPosition = widget->textCursor().position();
+            if (cursorPosition < position || cursorPosition > position + charsAdded)
+                return;
+
+            if (charsRemoved > 0 || charsAdded <= 0) {
+                m_recentCharCount = 0;
+                m_typingTimer.restart();
+                return;
+            }
+
+            QTextCursor cursor = widget->textCursor();
+            cursor.movePosition(QTextCursor::Left, QTextCursor::KeepAnchor, 1);
+            const QString lastChar = cursor.selectedText();
+            if (lastChar.isEmpty())
+                return;
+
+            const QChar lastCh = lastChar[0];
+            if (lastCh == QLatin1Char('\n') || lastCh == QChar::ParagraphSeparator
+                || lastCh == QChar::LineSeparator) {
+                m_recentCharCount = 0;
+                m_typingTimer.restart();
+                return;
+            }
+
+            const bool isSpaceOrTab = lastCh.isSpace();
+            const bool ignoreWhitespace
+                = Settings::codeCompletionSettings().ignoreWhitespaceInCharCount();
+
+            if (!ignoreWhitespace || !isSpaceOrTab)
                 m_recentCharCount += charsAdded;
 
-                if (m_typingTimer.elapsed()
-                    > Settings::generalSettings().autoCompletionTypingInterval()) {
-                    m_recentCharCount = charsAdded;
-                    m_typingTimer.restart();
-                }
+            if (m_typingTimer.elapsed()
+                > Settings::codeCompletionSettings().autoCompletionTypingInterval()) {
+                m_recentCharCount = (ignoreWhitespace && isSpaceOrTab) ? 0 : charsAdded;
+                m_typingTimer.restart();
+            }
 
-                if (m_recentCharCount > Settings::generalSettings().autoCompletionCharThreshold()) {
-                    scheduleRequest(widget);
-                }
-            });
+            handleAutoRequestTrigger(widget);
+        });
 }
 
 bool QodeAssistClient::canOpenProject(ProjectExplorer::Project *project)
@@ -125,14 +260,36 @@ void QodeAssistClient::requestCompletions(TextEditor::TextEditorWidget *editor)
     if (!isEnabled(project))
         return;
 
+
+    if (m_llmClient->contextManager()
+            ->ignoreManager()
+            ->shouldIgnore(editor->textDocument()->filePath().toUrlishString(), project)) {
+        LOG_MESSAGE(QString("Ignoring file due to .qodeassistignore: %1")
+                        .arg(editor->textDocument()->filePath().toUrlishString()));
+        return;
+    }
+
     MultiTextCursor cursor = editor->multiTextCursor();
     if (cursor.hasMultipleCursors() || cursor.hasSelection() || editor->suggestionVisible())
         return;
 
+    const auto &settings = Settings::codeCompletionSettings();
+    if (settings.abortAssistOnRequest() && !settings.respectQtcPopup())
+        editor->abortAssist();
+
     const FilePath filePath = editor->textDocument()->filePath();
-    GetCompletionRequest request{{TextDocumentIdentifier(hostPathToServerUri(filePath)),
-                                  documentVersion(filePath),
-                                  Position(cursor.mainCursor())}};
+    GetCompletionRequest request{
+        {TextDocumentIdentifier(hostPathToServerUri(filePath)),
+         documentVersion(filePath),
+         Position(cursor.mainCursor())}};
+    if (Settings::codeCompletionSettings().showProgressWidget()) {
+        m_progressHandler.setCancelCallback([this, editor = QPointer<TextEditorWidget>(editor)]() {
+            if (editor) {
+                cancelRunningRequest(editor);
+            }
+        });
+        m_progressHandler.showProgress(editor);
+    }
     request.setResponseCallback([this, editor = QPointer<TextEditorWidget>(editor)](
                                     const GetCompletionRequest::Response &response) {
         QTC_ASSERT(editor, return);
@@ -142,77 +299,171 @@ void QodeAssistClient::requestCompletions(TextEditor::TextEditorWidget *editor)
     sendMessage(request);
 }
 
+void QodeAssistClient::requestQuickRefactor(
+    TextEditor::TextEditorWidget *editor, const QString &instructions)
+{
+    auto project = ProjectManager::projectForFile(editor->textDocument()->filePath());
+
+    if (!isEnabled(project))
+        return;
+
+    if (m_llmClient->contextManager()
+            ->ignoreManager()
+            ->shouldIgnore(editor->textDocument()->filePath().toUrlishString(), project)) {
+        LOG_MESSAGE(QString("Ignoring file due to .qodeassistignore: %1")
+                        .arg(editor->textDocument()->filePath().toUrlishString()));
+        return;
+    }
+
+    if (!m_refactorHandler) {
+        m_refactorHandler = new QuickRefactorHandler(this);
+        connect(
+            m_refactorHandler,
+            &QuickRefactorHandler::refactoringCompleted,
+            this,
+            &QodeAssistClient::handleRefactoringResult);
+    }
+
+    m_progressHandler.setCancelCallback([this, editor = QPointer<TextEditorWidget>(editor)]() {
+        if (editor && m_refactorHandler) {
+            m_refactorHandler->cancelRequest();
+            m_progressHandler.hideProgress();
+        }
+    });
+    m_progressHandler.showProgress(editor);
+    m_refactorHandler->sendRefactorRequest(editor, instructions);
+}
+
 void QodeAssistClient::scheduleRequest(TextEditor::TextEditorWidget *editor)
 {
-    cancelRunningRequest(editor);
+    if (m_runningRequests.contains(editor)) {
+        if (Settings::codeCompletionSettings().cancelOnInput())
+            cancelRunningRequest(editor);
+        else
+            return;
+    }
 
     auto it = m_scheduledRequests.find(editor);
     if (it == m_scheduledRequests.end()) {
         auto timer = new QTimer(this);
         timer->setSingleShot(true);
         connect(timer, &QTimer::timeout, this, [this, editor]() {
-            if (editor
-                && editor->textCursor().position()
-                       == m_scheduledRequests[editor]->property("cursorPosition").toInt()
-                && m_recentCharCount > Settings::generalSettings().autoCompletionCharThreshold())
-                requestCompletions(editor);
+            if (!editor || m_runningRequests.contains(editor))
+                return;
+            if (editor->textCursor().position()
+                    != m_scheduledRequests[editor]->property("cursorPosition").toInt())
+                return;
+            requestCompletions(editor);
         });
         connect(editor, &TextEditorWidget::destroyed, this, [this, editor]() {
             delete m_scheduledRequests.take(editor);
             cancelRunningRequest(editor);
         });
-        connect(editor, &TextEditorWidget::cursorPositionChanged, this, [this, editor] {
-            cancelRunningRequest(editor);
-        });
         it = m_scheduledRequests.insert(editor, timer);
     }
 
     it.value()->setProperty("cursorPosition", editor->textCursor().position());
-    it.value()->start(Settings::generalSettings().startSuggestionTimer());
+    it.value()->start(Settings::codeCompletionSettings().startSuggestionTimer());
 }
-void QodeAssistClient::handleCompletions(const GetCompletionRequest::Response &response,
-                                         TextEditor::TextEditorWidget *editor)
+void QodeAssistClient::handleCompletions(
+    const GetCompletionRequest::Response &response, TextEditor::TextEditorWidget *editor)
 {
-    if (response.error())
+    m_progressHandler.hideProgress();
+    const auto &settings = Settings::codeCompletionSettings();
+    if (settings.abortAssistOnRequest() && !settings.respectQtcPopup())
+        editor->abortAssist();
+
+    if (response.error()) {
         log(*response.error());
+        m_errorHandler
+            .showError(editor, tr("Code completion failed: %1").arg(response.error()->message()));
+        return;
+    }
 
     int requestPosition = -1;
     if (const auto requestParams = m_runningRequests.take(editor).params())
         requestPosition = requestParams->position().toPositionInDocument(editor->document());
 
     const MultiTextCursor cursors = editor->multiTextCursor();
-    if (cursors.hasMultipleCursors())
+    if (cursors.hasMultipleCursors() || cursors.hasSelection())
         return;
 
-    if (cursors.hasSelection() || cursors.mainCursor().position() != requestPosition)
+    const int currentPosition = cursors.mainCursor().position();
+    if (requestPosition < 0 || currentPosition < requestPosition)
         return;
 
+    QString typedSinceRequest;
+    if (currentPosition > requestPosition) {
+        QTextCursor diffCursor(editor->document());
+        diffCursor.setPosition(requestPosition);
+        diffCursor.setPosition(currentPosition, QTextCursor::KeepAnchor);
+        typedSinceRequest = diffCursor.selectedText();
+        if (typedSinceRequest.contains(QChar::ParagraphSeparator)
+            || typedSinceRequest.contains(QLatin1Char('\n'))) {
+            return;
+        }
+    }
+
     if (const std::optional<GetCompletionResponse> result = response.result()) {
         auto isValidCompletion = [](const Completion &completion) {
             return completion.isValid() && !completion.text().trimmed().isEmpty();
         };
-        QList<Completion> completions = Utils::filtered(result->completions().toListOrEmpty(),
-                                                        isValidCompletion);
+        QList<Completion> completions
+            = Utils::filtered(result->completions().toListOrEmpty(), isValidCompletion);
 
-        // remove trailing whitespaces from the end of the completions
+        QList<Completion> matchedCompletions;
+        matchedCompletions.reserve(completions.size());
         for (Completion &completion : completions) {
             const LanguageServerProtocol::Range range = completion.range();
             if (range.start().line() != range.end().line())
-                continue; // do not remove trailing whitespaces for multi-line replacements
+                continue;
 
-            const QString completionText = completion.text();
-            const int end = int(completionText.size()) - 1; // empty strings have been removed above
+            QString completionText = completion.text();
+            const int end = int(completionText.size()) - 1;
             int delta = 0;
             while (delta <= end && completionText[end - delta].isSpace())
                 ++delta;
-
             if (delta > 0)
-                completion.setText(completionText.chopped(delta));
+                completionText.chop(delta);
+
+            if (!typedSinceRequest.isEmpty()) {
+                if (!completionText.startsWith(typedSinceRequest))
+                    continue;
+                completionText = completionText.mid(typedSinceRequest.size());
+                if (completionText.isEmpty())
+                    continue;
+            }
+
+            completion.setText(completionText);
+            matchedCompletions.append(completion);
         }
-        if (completions.isEmpty())
+
+        if (matchedCompletions.isEmpty()) {
+            LOG_MESSAGE("No valid completions received");
             return;
-        editor->insertSuggestion(
-            std::make_unique<LLMSuggestion>(completions.first(), editor->document()));
+        }
+
+        const Text::Position anchor = typedSinceRequest.isEmpty()
+            ? Text::Position{}
+            : Text::Position::fromPositionInDocument(editor->document(), currentPosition);
+        const bool useAnchor = !typedSinceRequest.isEmpty();
+
+        auto suggestions = Utils::transform(matchedCompletions,
+                                            [useAnchor, &anchor](const Completion &c) {
+            auto toTextPos = [](const LanguageServerProtocol::Position pos) {
+                return Text::Position{pos.line() + 1, pos.character()};
+            };
+
+            if (useAnchor) {
+                return TextSuggestion::Data{Text::Range{anchor, anchor}, anchor, c.text()};
+            }
+
+            Text::Range range{toTextPos(c.range().start()), toTextPos(c.range().end())};
+            Text::Position pos{toTextPos(c.position())};
+            return TextSuggestion::Data{range, pos, c.text()};
+        });
+
+        editor->insertSuggestion(std::make_unique<LLMSuggestion>(suggestions, editor->document()));
     }
 }
 
@@ -221,13 +472,18 @@ void QodeAssistClient::cancelRunningRequest(TextEditor::TextEditorWidget *editor
     const auto it = m_runningRequests.constFind(editor);
     if (it == m_runningRequests.constEnd())
         return;
+    m_progressHandler.hideProgress();
     cancelRequest(it->id());
     m_runningRequests.erase(it);
 }
 
 bool QodeAssistClient::isEnabled(ProjectExplorer::Project *project) const
 {
-    return Settings::generalSettings().enableQodeAssist();
+    if (!project)
+        return Settings::generalSettings().enableQodeAssist();
+
+    Settings::ProjectSettings settings(project);
+    return settings.isEnabled();
 }
 
 void QodeAssistClient::setupConnections()
@@ -237,18 +493,13 @@ void QodeAssistClient::setupConnections()
             openDocument(textDocument);
     };
 
-    m_documentOpenedConnection = connect(EditorManager::instance(),
-                                         &EditorManager::documentOpened,
-                                         this,
-                                         openDoc);
-    m_documentClosedConnection = connect(EditorManager::instance(),
-                                         &EditorManager::documentClosed,
-                                         this,
-                                         [this](IDocument *document) {
-                                             if (auto textDocument = qobject_cast<TextDocument *>(
-                                                     document))
-                                                 closeDocument(textDocument);
-                                         });
+    m_documentOpenedConnection
+        = connect(EditorManager::instance(), &EditorManager::documentOpened, this, openDoc);
+    m_documentClosedConnection = connect(
+        EditorManager::instance(), &EditorManager::documentClosed, this, [this](IDocument *document) {
+            if (auto textDocument = qobject_cast<TextDocument *>(document))
+                closeDocument(textDocument);
+        });
 
     for (IDocument *doc : DocumentModel::openedDocuments())
         openDoc(doc);
@@ -263,4 +514,215 @@ void QodeAssistClient::cleanupConnections()
     m_scheduledRequests.clear();
 }
 
+void QodeAssistClient::handleRefactoringResult(const RefactorResult &result)
+{
+    m_progressHandler.hideProgress();
+
+    if (!result.success) {
+        QString errorMessage = result.errorMessage.isEmpty()
+                                   ? tr("Quick refactor failed")
+                                   : tr("Quick refactor failed: %1").arg(result.errorMessage);
+
+        if (result.editor) {
+            m_errorHandler.showError(result.editor, errorMessage);
+        }
+
+        LOG_MESSAGE(QString("Refactoring failed: %1").arg(result.errorMessage));
+        return;
+    }
+
+    if (!result.editor) {
+        LOG_MESSAGE("Refactoring result has no editor");
+        return;
+    }
+
+    int displayMode = Settings::quickRefactorSettings().displayMode();
+    
+    if (displayMode == 0) {
+        displayRefactoringWidget(result);
+    } else {
+        displayRefactoringSuggestion(result);
+    }
+}
+
+void QodeAssistClient::displayRefactoringSuggestion(const RefactorResult &result)
+{
+    TextEditorWidget *editorWidget = result.editor;
+
+    Utils::Text::Range range{toTextPos(result.insertRange.begin), toTextPos(result.insertRange.end)};
+    Utils::Text::Position pos = toTextPos(result.insertRange.begin);
+
+    int startPos = range.begin.toPositionInDocument(editorWidget->document());
+    int endPos = range.end.toPositionInDocument(editorWidget->document());
+
+    if (startPos != endPos) {
+        QTextCursor startCursor(editorWidget->document());
+        startCursor.setPosition(startPos);
+        if (startCursor.positionInBlock() > 0) {
+            startCursor.movePosition(QTextCursor::StartOfBlock);
+        }
+
+        QTextCursor endCursor(editorWidget->document());
+        endCursor.setPosition(endPos);
+        if (endCursor.positionInBlock() > 0) {
+            endCursor.movePosition(QTextCursor::EndOfBlock);
+            if (!endCursor.atEnd()) {
+                endCursor.movePosition(QTextCursor::NextCharacter);
+            }
+        }
+
+        Utils::Text::Position expandedBegin = Utils::Text::Position::fromPositionInDocument(
+            editorWidget->document(), startCursor.position());
+        Utils::Text::Position expandedEnd = Utils::Text::Position::fromPositionInDocument(
+            editorWidget->document(), endCursor.position());
+
+        range = Utils::Text::Range(expandedBegin, expandedEnd);
+    }
+
+    TextEditor::TextSuggestion::Data suggestionData{
+        Utils::Text::Range{toTextPos(result.insertRange.begin), toTextPos(result.insertRange.end)},
+        pos,
+        result.newText};
+    editorWidget->insertSuggestion(
+        std::make_unique<RefactorSuggestion>(suggestionData, editorWidget->document()));
+
+    m_refactorHoverHandler->setSuggestionRange(range);
+
+    m_refactorHoverHandler->setApplyCallback([this, editorWidget]() {
+        QKeyEvent tabEvent(QEvent::KeyPress, Qt::Key_Tab, Qt::NoModifier);
+        QApplication::sendEvent(editorWidget, &tabEvent);
+        m_refactorHoverHandler->clearSuggestionRange();
+    });
+
+    m_refactorHoverHandler->setDismissCallback([this, editorWidget]() {
+        editorWidget->clearSuggestion();
+        m_refactorHoverHandler->clearSuggestionRange();
+    });
+
+    LOG_MESSAGE("Displaying refactoring suggestion with hover handler");
+}
+
+void QodeAssistClient::displayRefactoringWidget(const RefactorResult &result)
+{
+    TextEditorWidget *editorWidget = result.editor;
+    Utils::Text::Range range{toTextPos(result.insertRange.begin), toTextPos(result.insertRange.end)};
+    
+    RefactorContext ctx = RefactorContextHelper::extractContext(editorWidget, range);
+    
+    QString displayOriginal;
+    QString displayRefactored;
+    QString textToApply = result.newText;
+    
+    if (ctx.isInsertion) {
+        bool isMultiline = result.newText.contains('\n');
+        
+        if (isMultiline) {
+            displayOriginal = ctx.textBeforeCursor;
+            displayRefactored = ctx.textBeforeCursor + result.newText;
+        } else {
+            displayOriginal = ctx.textBeforeCursor + ctx.textAfterCursor;
+            displayRefactored = ctx.textBeforeCursor + result.newText + ctx.textAfterCursor;
+        }
+        
+        if (!ctx.textBeforeCursor.isEmpty() || !ctx.textAfterCursor.isEmpty()) {
+            textToApply = result.newText;
+        }
+    } else {
+        displayOriginal = ctx.originalText;
+        displayRefactored = result.newText;
+    }
+
+    m_refactorWidgetHandler->setApplyCallback([this, editorWidget, result](const QString &editedText) {
+        applyRefactoringEdit(editorWidget, result.insertRange, editedText);
+    });
+
+    m_refactorWidgetHandler->setDeclineCallback([]() {});
+
+    m_refactorWidgetHandler->showRefactorWidget(
+        editorWidget, displayOriginal, displayRefactored, range,
+        ctx.contextBefore, ctx.contextAfter);
+    
+    m_refactorWidgetHandler->setTextToApply(textToApply);
+}
+
+void QodeAssistClient::applyRefactoringEdit(TextEditor::TextEditorWidget *editor,
+                                             const Utils::Text::Range &range,
+                                             const QString &text)
+{
+    const QTextCursor startCursor = range.begin.toTextCursor(editor->document());
+    const QTextCursor endCursor = range.end.toTextCursor(editor->document());
+    const int startPos = startCursor.position();
+    const int endPos = endCursor.position();
+    
+    QTextCursor editCursor(editor->document());
+    editCursor.beginEditBlock();
+
+    if (startPos == endPos) {
+        bool isMultiline = text.contains('\n');
+        editCursor.setPosition(startPos);
+        
+        if (isMultiline) {
+            editCursor.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
+            editCursor.removeSelectedText();
+        }
+        
+        editCursor.insertText(text);
+    } else {
+        editCursor.setPosition(startPos);
+        editCursor.setPosition(endPos, QTextCursor::KeepAnchor);
+        editCursor.removeSelectedText();
+        editCursor.insertText(text);
+    }
+
+    editCursor.endEditBlock();
+}
+
+void QodeAssistClient::handleAutoRequestTrigger(TextEditor::TextEditorWidget *widget)
+{
+    const QTextCursor cursor = widget->textCursor();
+    const auto &settings = Settings::codeCompletionSettings();
+    const bool smart = settings.smartContextTrigger();
+
+    if (smart && (isInsideIdentifier(cursor) || isAfterMemberAccess(cursor)))
+        return;
+
+    const bool eager = smart && (isFreshIndentedLine(cursor) || isAfterEagerTrigger(cursor));
+    const int charThreshold = settings.autoCompletionCharThreshold();
+
+    if (eager || m_recentCharCount > charThreshold)
+        scheduleRequest(widget);
+}
+
+bool QodeAssistClient::eventFilter(QObject *watched, QEvent *event)
+{
+    auto *editor = qobject_cast<TextEditor::TextEditorWidget *>(watched);
+    if (!editor)
+        return LanguageClient::Client::eventFilter(watched, event);
+
+    if (event->type() == QEvent::KeyPress) {
+        auto *keyEvent = static_cast<QKeyEvent *>(event);
+
+        if (keyEvent->key() == Qt::Key_Escape) {
+            if (m_runningRequests.contains(editor)) {
+                cancelRunningRequest(editor);
+            }
+
+            if (m_scheduledRequests.contains(editor)) {
+                auto *timer = m_scheduledRequests.value(editor);
+                if (timer && timer->isActive()) {
+                    timer->stop();
+                }
+            }
+
+            if (m_refactorHandler && m_refactorHandler->isProcessing()) {
+                m_refactorHandler->cancelRequest();
+            }
+
+            m_progressHandler.hideProgress();
+        }
+    }
+
+    return LanguageClient::Client::eventFilter(watched, event);
+}
+
 } // namespace QodeAssist

QodeAssistClient.hpp

@@ -1,55 +1,57 @@
-/*
- * Copyright (C) 2023 The Qt Company Ltd.
- * Copyright (C) 2024 Petr Mironychev
- *
- * This file is part of Qode Assist.
- *
- * The Qt Company portions:
- * SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
- *
- * Petr Mironychev portions:
- * QodeAssist is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * QodeAssist is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
- */
+// Copyright (C) 2023 The Qt Company Ltd.
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
 
 #pragma once
 
-#include <languageclient/client.h>
+#include <QObject>
 
+#include "LLMClientInterface.hpp"
 #include "LSPCompletion.hpp"
+#include "QuickRefactorHandler.hpp"
+#include "RefactorSuggestionHoverHandler.hpp"
+#include "widgets/CompletionProgressHandler.hpp"
+#include "widgets/CompletionErrorHandler.hpp"
+#include "widgets/EditorChatButtonHandler.hpp"
+#include "widgets/RefactorWidgetHandler.hpp"
+#include <languageclient/client.h>
+#include <pluginllmcore/IPromptProvider.hpp>
+#include <pluginllmcore/IProviderRegistry.hpp>
 
 namespace QodeAssist {
 
 class QodeAssistClient : public LanguageClient::Client
 {
+    Q_OBJECT
 public:
-    explicit QodeAssistClient();
+    explicit QodeAssistClient(LLMClientInterface *clientInterface);
     ~QodeAssistClient() override;
 
     void openDocument(TextEditor::TextDocument *document) override;
     bool canOpenProject(ProjectExplorer::Project *project) override;
 
     void requestCompletions(TextEditor::TextEditorWidget *editor);
+    void requestQuickRefactor(
+        TextEditor::TextEditorWidget *editor, const QString &instructions = QString());
+
+protected:
+    bool eventFilter(QObject *watched, QEvent *event) override;
 
 private:
     void scheduleRequest(TextEditor::TextEditorWidget *editor);
-    void handleCompletions(const GetCompletionRequest::Response &response,
-                           TextEditor::TextEditorWidget *editor);
+    void handleCompletions(
+        const GetCompletionRequest::Response &response, TextEditor::TextEditorWidget *editor);
     void cancelRunningRequest(TextEditor::TextEditorWidget *editor);
     bool isEnabled(ProjectExplorer::Project *project) const;
 
     void setupConnections();
     void cleanupConnections();
+    void handleRefactoringResult(const RefactorResult &result);
+    void displayRefactoringSuggestion(const RefactorResult &result);
+    void displayRefactoringWidget(const RefactorResult &result);
+    void applyRefactoringEdit(TextEditor::TextEditorWidget *editor, const Utils::Text::Range &range, const QString &text);
+
+    void handleAutoRequestTrigger(TextEditor::TextEditorWidget *widget);
 
     QHash<TextEditor::TextEditorWidget *, GetCompletionRequest> m_runningRequests;
     QHash<TextEditor::TextEditorWidget *, QTimer *> m_scheduledRequests;
@@ -58,6 +60,13 @@ private:
 
     QElapsedTimer m_typingTimer;
     int m_recentCharCount;
+    CompletionProgressHandler m_progressHandler;
+    CompletionErrorHandler m_errorHandler;
+    EditorChatButtonHandler m_chatButtonHandler;
+    QuickRefactorHandler *m_refactorHandler{nullptr};
+    RefactorSuggestionHoverHandler *m_refactorHoverHandler{nullptr};
+    RefactorWidgetHandler *m_refactorWidgetHandler{nullptr};
+    LLMClientInterface *m_llmClient;
 };
 
 } // namespace QodeAssist

QodeAssistConstants.hpp

@@ -1,21 +1,5 @@
-/* 
- * Copyright (C) 2024 Petr Mironychev
- *
- * This file is part of QodeAssist.
- *
- * QodeAssist is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * QodeAssist is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
- */
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
 
 #pragma once
 
@@ -24,54 +8,6 @@ namespace QodeAssist::Constants {
 const char ACTION_ID[] = "QodeAssist.Action";
 const char MENU_ID[] = "QodeAssist.Menu";
 
-// settings
-const char ENABLE_QODE_ASSIST[] = "QodeAssist.enableQodeAssist";
-const char ENABLE_AUTO_COMPLETE[] = "QodeAssist.enableAutoComplete";
-const char ENABLE_LOGGING[] = "QodeAssist.enableLogging";
-const char LLM_PROVIDERS[] = "QodeAssist.llmProviders";
-const char URL[] = "QodeAssist.url";
-const char END_POINT[] = "QodeAssist.endPoint";
-const char MODEL_NAME[] = "QodeAssist.modelName";
-const char SELECT_MODELS[] = "QodeAssist.selectModels";
-const char FIM_PROMPTS[] = "QodeAssist.fimPrompts";
-const char TEMPERATURE[] = "QodeAssist.temperature";
-const char MAX_TOKENS[] = "QodeAssist.maxTokens";
-const char READ_FULL_FILE[] = "QodeAssist.readFullFile";
-const char READ_STRINGS_BEFORE_CURSOR[] = "QodeAssist.readStringsBeforeCursor";
-const char READ_STRINGS_AFTER_CURSOR[] = "QodeAssist.readStringsAfterCursor";
-const char USE_TOP_P[] = "QodeAssist.useTopP";
-const char TOP_P[] = "QodeAssist.topP";
-const char USE_TOP_K[] = "QodeAssist.useTopK";
-const char TOP_K[] = "QodeAssist.topK";
-const char USE_PRESENCE_PENALTY[] = "QodeAssist.usePresencePenalty";
-const char PRESENCE_PENALTY[] = "QodeAssist.presencePenalty";
-const char USE_FREQUENCY_PENALTY[] = "QodeAssist.useFrequencyPenalty";
-const char FREQUENCY_PENALTY[] = "QodeAssist.frequencyPenalty";
-const char PROVIDER_PATHS[] = "QodeAssist.providerPaths";
-const char START_SUGGESTION_TIMER[] = "QodeAssist.startSuggestionTimer";
-const char AUTO_COMPLETION_CHAR_THRESHOLD[] = "QodeAssist.autoCompletionCharThreshold";
-const char AUTO_COMPLETION_TYPING_INTERVAL[] = "QodeAssist.autoCompletionTypingInterval";
-const char MAX_FILE_THRESHOLD[] = "QodeAssist.maxFileThreshold";
-const char OLLAMA_LIVETIME[] = "QodeAssist.ollamaLivetime";
-const char SPECIFIC_INSTRUCTIONS[] = "QodeAssist.specificInstractions";
-const char MULTILINE_COMPLETION[] = "QodeAssist.multilineCompletion";
-const char API_KEY[] = "QodeAssist.apiKey";
-const char USE_SPECIFIC_INSTRUCTIONS[] = "QodeAssist.useSpecificInstructions";
-const char USE_FILE_PATH_IN_CONTEXT[] = "QodeAssist.useFilePathInContext";
-const char CUSTOM_JSON_TEMPLATE[] = "QodeAssist.customJsonTemplate";
-const char USE_PROJECT_CHANGES_CACHE[] = "QodeAssist.useProjectChangesCache";
-const char MAX_CHANGES_CACHE_SIZE[] = "QodeAssist.maxChangesCacheSize";
-
-const char QODE_ASSIST_GENERAL_OPTIONS_ID[] = "QodeAssist.GeneralOptions";
-const char QODE_ASSIST_GENERAL_SETTINGS_PAGE_ID[] = "QodeAssist.1GeneralSettingsPageId";
-const char QODE_ASSIST_CONTEXT_SETTINGS_PAGE_ID[] = "QodeAssist.2ContextSettingsPageId";
-const char QODE_ASSIST_PRESET_PROMPTS_SETTINGS_PAGE_ID[]
-    = "QodeAssist.3PresetPromptsSettingsPageId";
-const char QODE_ASSIST_CUSTOM_PROMPT_SETTINGS_PAGE_ID[] = "QodeAssist.4CustomPromptSettingsPageId";
-
-const char QODE_ASSIST_GENERAL_OPTIONS_CATEGORY[] = "QodeAssist.Category";
-const char QODE_ASSIST_GENERAL_OPTIONS_DISPLAY_CATEGORY[] = "Qode Assist";
-
 const char QODE_ASSIST_REQUEST_SUGGESTION[] = "QodeAssist.RequestSuggestion";
 
 } // namespace QodeAssist::Constants

QodeAssistData.hpp

@@ -1,33 +0,0 @@
-/* 
- * Copyright (C) 2024 Petr Mironychev
- *
- * This file is part of QodeAssist.
- *
- * QodeAssist is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * QodeAssist is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-#include <QString>
-
-namespace QodeAssist {
-
-struct ContextData
-{
-    QString prefix;
-    QString suffix;
-    QString instriuctions;
-};
-
-} // namespace QodeAssist

QodeAssistUtils.hpp

@@ -1,68 +0,0 @@
-/* 
- * Copyright (C) 2024 Petr Mironychev
- *
- * This file is part of QodeAssist.
- *
- * QodeAssist is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * QodeAssist is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-#include <QString>
-#include <coreplugin/messagemanager.h>
-#include <utils/qtcassert.h>
-
-namespace QodeAssist {
-
-inline bool &loggingEnabled()
-{
-    static bool enabled = false;
-    return enabled;
-}
-
-inline void setLoggingEnabled(bool enable)
-{
-    loggingEnabled() = enable;
-}
-
-inline void logMessage(const QString &message, bool silent = true)
-{
-    if (!loggingEnabled())
-        return;
-
-    const QString prefixedMessage = QLatin1String("[Qode Assist] ") + message;
-    if (silent) {
-        Core::MessageManager::writeSilently(prefixedMessage);
-    } else {
-        Core::MessageManager::writeFlashing(prefixedMessage);
-    }
-}
-
-inline void logMessages(const QStringList &messages, bool silent = true)
-{
-    if (!loggingEnabled())
-        return;
-
-    QStringList prefixedMessages;
-    for (const QString &message : messages) {
-        prefixedMessages << (QLatin1String("[Qode Assist] ") + message);
-    }
-    if (silent) {
-        Core::MessageManager::writeSilently(prefixedMessages);
-    } else {
-        Core::MessageManager::writeFlashing(prefixedMessages);
-    }
-}
-
-} // namespace QodeAssist