refactor: Restructure project into sources/tests layout and dissolve PluginLLMCore

sources/context/ProjectUtils.cpp

@@ -0,0 +1,71 @@
+// Copyright (C) 2025-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
+
+#include "ProjectUtils.hpp"
+
+#include <projectexplorer/project.h>
+#include <projectexplorer/projectmanager.h>
+#include <utils/filepath.h>
+
+namespace QodeAssist::Context {
+
+bool ProjectUtils::isFileInProject(const QString &filePath)
+{
+    QList<ProjectExplorer::Project *> projects = ProjectExplorer::ProjectManager::projects();
+    Utils::FilePath targetPath = Utils::FilePath::fromString(filePath);
+
+    for (auto project : projects) {
+        if (!project)
+            continue;
+
+        Utils::FilePaths projectFiles = project->files(ProjectExplorer::Project::SourceFiles);
+        for (const auto &projectFile : std::as_const(projectFiles)) {
+            if (projectFile == targetPath) {
+                return true;
+            }
+        }
+
+        Utils::FilePath projectDir = project->projectDirectory();
+        if (targetPath.isChildOf(projectDir)) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+QString ProjectUtils::findFileInProject(const QString &filename)
+{
+    QList<ProjectExplorer::Project *> projects = ProjectExplorer::ProjectManager::projects();
+
+    for (auto project : projects) {
+        if (!project)
+            continue;
+
+        Utils::FilePaths projectFiles = project->files(ProjectExplorer::Project::SourceFiles);
+        for (const auto &projectFile : std::as_const(projectFiles)) {
+            if (projectFile.fileName() == filename) {
+                return projectFile.toFSPathString();
+            }
+        }
+    }
+
+    return QString();
+}
+
+QString ProjectUtils::getProjectRoot()
+{
+    QList<ProjectExplorer::Project *> projects = ProjectExplorer::ProjectManager::projects();
+
+    if (!projects.isEmpty()) {
+        auto project = projects.first();
+        if (project) {
+            return project->projectDirectory().toFSPathString();
+        }
+    }
+
+    return QString();
+}
+
+} // namespace QodeAssist::Context