fix folder permissions

multi_agent_chatbot.py

@@ -142,13 +142,14 @@ class MultiAgentRAGChatbot:
         # Conversations directory - use absolute path in /app to ensure writability
         self.conversations_dir = Path("/app/conversations")
         try:
-            self.conversations_dir.mkdir(mode=0o755, exist_ok=True)
+            # Use 777 permissions for maximum compatibility (HF Spaces runs as different user)
+            self.conversations_dir.mkdir(parents=True, mode=0o777, exist_ok=True)
         except (PermissionError, OSError) as e:
             logger.warning(f"Could not create conversations directory at {self.conversations_dir}: {e}")
             # Fallback to a relative path (current directory)
             self.conversations_dir = Path("conversations")
             try:
-                self.conversations_dir.mkdir(mode=0o755, exist_ok=True)
+                self.conversations_dir.mkdir(parents=True, mode=0o777, exist_ok=True)
             except (PermissionError, OSError) as e2:
                 logger.error(f"Could not create conversations directory at {self.conversations_dir}: {e2}")
                 raise RuntimeError(f"Failed to create conversations directory: {e2}")
@@ -1154,6 +1155,9 @@ Generate a conversational response based on your knowledge:""")
     def _save_conversation(self, conversation_file: Path, conversation: Dict[str, Any]):
         """Save conversation to file"""
         try:
+            # Ensure the conversations directory exists with proper permissions
+            conversation_file.parent.mkdir(parents=True, mode=0o777, exist_ok=True)
+            
             # Convert messages to serializable format
             messages_data = []
             for msg in conversation["messages"]:
@@ -1174,6 +1178,8 @@ Generate a conversational response based on your knowledge:""")
                 
         except Exception as e:
             logger.error(f"Could not save conversation: {e}")
+            import traceback
+            logger.error(f"Traceback: {traceback.format_exc()}")
     
 
 def get_multi_agent_chatbot():