fix: update section name and correct path for MCP server configuration

config/sample_config.ini

@@ -3,5 +3,5 @@ api_key = YOUR_API_KEY
 base_url = CUSTOM_BASE_URL
 model = YOUR_MODEL_ID
 
-[dolphin-mcp]
-servers_json = mcp_config.json
+[mcp]
+servers_json = config/mcp_config.json

src/openai_client.py

@@ -25,8 +25,8 @@ class OpenAIClient:
 
         # Initialize MCP manager if configured
         self.mcp_manager = None
-        if self.config.has_section("dolphin-mcp"):
-            mcp_config_path = self.config["dolphin-mcp"].get("servers_json", "config/mcp_config.json")
+        if self.config.has_section("mcp"):
+            mcp_config_path = self.config["mcp"].get("servers_json", "config/mcp_config.json")
             self.mcp_manager = SyncMCPManager(mcp_config_path)
 
     def get_chat_response(self, messages):