fix: get_agent_config添加supports_vision和supports_function_calling字段

services/agent_service.py

@@ -137,6 +137,9 @@ class AgentService:
                 'api_key': provider.api_key if provider else None,
                 'supports_thinking': provider.supports_thinking if provider else False,
                 'thinking_model': provider.thinking_model if provider else None,
+                'supports_vision': provider.supports_vision if provider else False,
+                'vision_model': provider.vision_model if provider else None,
+                'supports_function_calling': provider.supports_function_calling if provider else False,
                 'default_model': provider.default_model if provider else 'auto',
                 'max_tokens': provider.max_tokens if provider else 4096,
                 'temperature': provider.temperature if provider else 0.7,