feature: Add support Qwen3-coder model (#221)

Add support Qwen3-coder model
Rename template for old

CMakeLists.txt

@@ -75,7 +75,7 @@ add_qtc_plugin(QodeAssist
     templates/StarCoder2Fim.hpp
     # templates/DeepSeekCoderFim.hpp
     # templates/CustomFimTemplate.hpp
-    templates/Qwen.hpp
+    templates/Qwen25CoderFIM.hpp
     templates/OpenAICompatible.hpp
     templates/Llama3.hpp
     templates/ChatML.hpp
@@ -84,6 +84,7 @@ add_qtc_plugin(QodeAssist
     templates/CodeLlamaQMLFim.hpp
     templates/GoogleAI.hpp
     templates/LlamaCppFim.hpp
+    templates/Qwen3CoderFIM.hpp
     providers/Providers.hpp
     providers/OllamaProvider.hpp providers/OllamaProvider.cpp
     providers/ClaudeProvider.hpp providers/ClaudeProvider.cpp

llmcore/PromptTemplate.hpp

@@ -28,7 +28,7 @@
 
 namespace QodeAssist::LLMCore {
 
-enum class TemplateType { Chat, FIM };
+enum class TemplateType { Chat, FIM, FIMOnChat };
 
 class PromptTemplate
 {

llmcore/PromptTemplateManager.cpp

@@ -19,6 +19,8 @@
 
 #include "PromptTemplateManager.hpp"
 
+#include <QMessageBox>
+
 namespace QodeAssist::LLMCore {
 
 PromptTemplateManager &PromptTemplateManager::instance()
@@ -70,15 +72,27 @@ PromptTemplateManager::~PromptTemplateManager()
 
 PromptTemplate *PromptTemplateManager::getFimTemplateByName(const QString &templateName)
 {
-    if (!m_fimTemplates.contains(templateName))
+    if (!m_fimTemplates.contains(templateName)) {
+        QMessageBox::warning(
+            nullptr,
+            QObject::tr("Template Not Found"),
+            QObject::tr("Template '%1' was not found or has been updated. Please re-set new one.")
+                .arg(templateName));
         return m_fimTemplates.first();
+    }
     return m_fimTemplates[templateName];
 }
 
 PromptTemplate *PromptTemplateManager::getChatTemplateByName(const QString &templateName)
 {
-    if (!m_chatTemplates.contains(templateName))
+    if (!m_chatTemplates.contains(templateName)) {
+        QMessageBox::warning(
+            nullptr,
+            QObject::tr("Template Not Found"),
+            QObject::tr("Template '%1' was not found or has been updated. Please re-set new one.")
+                .arg(templateName));
         return m_chatTemplates.first();
+    }
     return m_chatTemplates[templateName];
 }
 

templates/Qwen25CoderFIM.hpp

@@ -24,10 +24,10 @@
 
 namespace QodeAssist::Templates {
 
-class QwenFim : public LLMCore::PromptTemplate
+class Qwen25CoderFIM : public LLMCore::PromptTemplate
 {
 public:
-    QString name() const override { return "Qwen FIM"; }
+    QString name() const override { return "Qwen2.5 Coder FIM"; }
     LLMCore::TemplateType type() const override { return LLMCore::TemplateType::FIM; }
     QStringList stopWords() const override { return QStringList() << "<|endoftext|>" << "<|EOT|>"; }
     void prepareRequest(QJsonObject &request, const LLMCore::ContextData &context) const override

templates/Qwen3CoderFIM.hpp

@@ -0,0 +1,80 @@
+/* 
+ * Copyright (C) 2024-2025 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 <QJsonArray>
+
+#include "llmcore/PromptTemplate.hpp"
+
+namespace QodeAssist::Templates {
+
+class Qwen3CoderFIM : public LLMCore::PromptTemplate
+{
+public:
+    QString name() const override { return "Qwen3 Coder FIM"; }
+    LLMCore::TemplateType type() const override { return LLMCore::TemplateType::FIMOnChat; }
+    QStringList stopWords() const override { return QStringList() << "<|im_end|>"; }
+    void prepareRequest(QJsonObject &request, const LLMCore::ContextData &context) const override
+    {
+        QJsonArray messages;
+
+        messages.append(
+            QJsonObject{{"role", "system"}, {"content", context.systemPrompt.value_or("")}});
+
+        messages.append(
+            QJsonObject{
+                {"role", "user"},
+                {"content",
+                 QString("<|fim_prefix|>%1<|fim_suffix|>%2<|fim_middle|>")
+                     .arg(context.prefix.value_or(""), context.suffix.value_or(""))}});
+        request["messages"] = messages;
+    }
+    QString description() const override
+    {
+        return "Template for supporting Qwen3 Coder FIM format via chat template:\n\n"
+               "{\n"
+               "  \"messages\": [\n"
+               "    {\n"
+               "      \"role\": \"system\",\n"
+               "      \"content\": \"You are a code completion assistant.\"\n"
+               "    },\n"
+               "    {\n"
+               "      \"role\": \"user\",\n"
+               "      \"content\": \"<|fim_prefix|>code<|fim_suffix|>code<|fim_middle|>\"\n"
+               "    }\n"
+               "  ]\n"
+               "}\n\n";
+    }
+    bool isSupportProvider(LLMCore::ProviderID id) const override
+    {
+        switch (id) {
+        case LLMCore::ProviderID::Ollama:
+        case LLMCore::ProviderID::LMStudio:
+        case LLMCore::ProviderID::OpenRouter:
+        case LLMCore::ProviderID::OpenAICompatible:
+        case LLMCore::ProviderID::LlamaCpp:
+            return true;
+        default:
+            return false;
+        }
+    }
+};
+
+} // namespace QodeAssist::Templates

templates/Templates.hpp

@@ -35,7 +35,8 @@
 #include "templates/Llama2.hpp"
 #include "templates/Llama3.hpp"
 #include "templates/LlamaCppFim.hpp"
-#include "templates/Qwen.hpp"
+#include "templates/Qwen25CoderFIM.hpp"
+#include "templates/Qwen3CoderFIM.hpp"
 #include "templates/StarCoder2Fim.hpp"
 
 namespace QodeAssist::Templates {
@@ -57,7 +58,8 @@ inline void registerTemplates()
     templateManager.registerTemplate<StarCoder2Fim>();
     // templateManager.registerTemplate<DeepSeekCoderFim>();
     // templateManager.registerTemplate<CustomTemplate>();
-    templateManager.registerTemplate<QwenFim>();
+    templateManager.registerTemplate<Qwen25CoderFIM>();
+    templateManager.registerTemplate<Qwen3CoderFIM>();
     templateManager.registerTemplate<OpenAICompatible>();
     templateManager.registerTemplate<Alpaca>();
     templateManager.registerTemplate<GoogleAI>();