🐛 fix: Set content type for requests

README.md

@@ -120,6 +120,28 @@ ollama run qwen2.5-coder:7b-instruct
 ollama run deepseek-coder-v2
 ```
 
+### Template-Model Compatibility
+
+| Template | Compatible Models | Purpose |
+|----------|------------------|----------|
+| CodeLlama FIM | `codellama:code` | Code completion |
+| DeepSeekCoder FIM | `deepseek-coder-v2`, `deepseek-v2.5` | Code completion |
+| Ollama Auto FIM | `Any Ollama base model` | Code completion |
+| Qwen FIM | `Qwen 2.5 models` | Code completion |
+| StarCoder2 FIM | `starcoder2 base model` | Code completion |
+| Alpaca | `starcoder2:instruct` | Chat assistance |
+| Basic Chat| `Messages without tokens` | Chat assistance |
+| ChatML | `Qwen 2.5 models` | Chat assistance |
+| Llama2 | `llama2 model family`, `codellama:instruct` | Chat assistance |
+| Llama3 | `llama3 model family` | Chat assistance |
+| Ollama Auto Chat | `Any Ollama chat model` | Chat assistance |
+
+> Note: 
+> - FIM (Fill-in-Middle) templates are optimized for code completion
+> - Chat templates are designed for interactive dialogue
+> - The Ollama Auto templates automatically adapt to most Ollama models
+> - Custom Template allows you to define your own prompt format
+
 ## QtCreator Version Compatibility
 
 - QtCreator 14.0.2 - 0.2.3 - 0.3.x 

llmcore/RequestHandler.cpp

@@ -38,8 +38,7 @@ void RequestHandler::sendLLMRequest(const LLMConfig &config, const QJsonObject &
                             QJsonDocument(config.providerRequest).toJson(QJsonDocument::Indented))));
 
     QNetworkRequest networkRequest(config.url);
-    if (!config.apiKey.isEmpty())
-        prepareNetworkRequest(networkRequest, config.apiKey);
+    prepareNetworkRequest(networkRequest, config.apiKey);
 
     QNetworkReply *reply = m_manager->post(networkRequest,
                                            QJsonDocument(config.providerRequest).toJson());
@@ -114,7 +113,10 @@ void RequestHandler::prepareNetworkRequest(
     QNetworkRequest &networkRequest, const QString &apiKey) const
 {
     networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
-    networkRequest.setRawHeader("Authorization", QString("Bearer %1").arg(apiKey).toUtf8());
+
+    if (!apiKey.isEmpty()) {
+        networkRequest.setRawHeader("Authorization", QString("Bearer %1").arg(apiKey).toUtf8());
+    }
 }
 
 bool RequestHandler::processSingleLineCompletion(