fixup! ✨(back) manage streaming with the ai service

src/backend/core/api/viewsets.py

@@ -1658,7 +1658,7 @@ class DocumentViewSet(
                 content_type="text/event-stream",
                 status=drf.status.HTTP_200_OK,
             )
-    
+
         ai_response = ai_service.proxy(request.data)
         return drf.response.Response(
             ai_response.model_dump(),

src/backend/core/services/ai_services.py

@@ -9,7 +9,7 @@ from django.core.exceptions import ImproperlyConfigured
 if settings.LANGFUSE_PUBLIC_KEY:
     from langfuse.openai import OpenAI
 else:
-    from openai import OpenAI
+    from openai import OpenAI, OpenAIError
     
 log = logging.getLogger(__name__)
 
@@ -30,7 +30,10 @@ class AIService:
     def proxy(self, data: dict, stream: bool = False) -> Generator[str, None, None]:
         """Proxy AI API requests to the configured AI provider."""
         data["stream"] = stream
-        return self.client.chat.completions.create(**data)
+        try:
+            return self.client.chat.completions.create(**data)
+        except OpenAIError as e:
+            raise RuntimeError(f"Failed to proxy AI request: {e}") from e
 
     def stream(self, data: dict) -> Generator[str, None, None]:
         """Stream AI API requests to the configured AI provider."""