Update chat_service: use proxy for openrouter model

pqai_agent/chat_service.py

@@ -120,20 +120,31 @@ class OpenAICompatible:
         elif model_name in OpenAICompatible.deepseek_models:
             llm_client = OpenAI(api_key=DEEPSEEK_API_TOKEN, base_url=DEEPSEEK_BASE_URL, **kwargs)
         elif model_name in OpenAICompatible.openai_models:
-            socks_conf = configs.get().get('system', {}).get('outside_proxy', {}).get('socks5', {})
-            if socks_conf:
-                http_client = httpx.Client(
-                    timeout=httpx.Timeout(600, connect=5.0),
-                    proxy=f"socks5://{socks_conf['hostname']}:{socks_conf['port']}"
-                )
-                kwargs['http_client'] = http_client
+            kwargs['http_client'] = OpenAICompatible.create_outside_proxy_http_client()
             llm_client = OpenAI(api_key=OPENAI_API_TOKEN, base_url=OPENAI_BASE_URL, **kwargs)
         elif model_name in OpenAICompatible.openrouter_models:
+            kwargs['http_client'] = OpenAICompatible.create_outside_proxy_http_client()
             llm_client = OpenAI(api_key=OPENROUTER_API_TOKEN, base_url=OPENROUTER_BASE_URL, **kwargs)
         else:
             raise Exception("Unsupported model: %s" % model_name)
         return llm_client
 
+    @staticmethod
+    def create_outside_proxy_http_client() -> httpx.Client:
+        """
+        Create an HTTP client with outside proxy settings.
+        :return: Configured httpx.Client instance
+        """
+        socks_conf = configs.get().get('system', {}).get('outside_proxy', {}).get('socks5', {})
+        if socks_conf:
+            return httpx.Client(
+                timeout=httpx.Timeout(600, connect=5.0),
+                proxy=f"socks5://{socks_conf['hostname']}:{socks_conf['port']}"
+            )
+        # If no proxy is configured, return a standard client
+        logger.error("Outside proxy not configured, using default httpx client.")
+        return httpx.Client(timeout=httpx.Timeout(600, connect=5.0))
+
     @staticmethod
     def get_price(model_name: str) -> ModelPrice:
         """