fix: Chat name generation now only happens once per session

- Added check before calling chat name generation
- Prevents multiple Bedrock API calls for same session
- Fixes 'Failed to generate chat name' spam in logs
- Chat name generates only after first user message if not already set

services/session_manager.py

@@ -154,9 +154,17 @@ class SessionManager:
             }
         )
         
-        # Auto-generate chat name after first user message
+        
+        # Auto-generate chat name after first user message (only if not already generated)
         if role == "user" and not content.lower().startswith("uploaded file"):
-            self._maybe_generate_chat_name(session_id)
+            # Check if chat name already exists to avoid unnecessary generation attempts
+            session = self.sessions_collection.find_one(
+                {"session_id": session_id},
+                {"chat_name": 1, "_id": 0}
+            )
+            if session and not session.get("chat_name"):
+                self._maybe_generate_chat_name(session_id)
+        
         
         return schema_to_dict(message_record)