history display

storage.py

@@ -64,28 +64,36 @@ def load_history(user_password=""):
     print("[+] Security Pass: Credentials verified. Loading environment histories...")
     
     try:
+        # 1. Attempt to get rich metadata for chronological sorting
         repo_info = api.repo_info(repo_id=REPO_ID, repo_type="dataset", files_metadata=True)
+        
         chat_files_meta = []
         if repo_info and hasattr(repo_info, 'siblings'):
             for f in repo_info.siblings:
-                file_path = getattr(f, 'rname', '')
-                if file_path.startswith("chats/"):
-                    chat_id = file_path.split("/")[-1].replace(".json", "")
+                # Safe startswith check
+                if f.rfind('chats/') == 0:  
+                    filename_idx = f.rfind('/') + 1
+                    chat_id = f[filename_idx:].replace(".json", "")
+                    
+                    # Safely extract last_modified timestamp if it exists
                     last_modified = getattr(f, 'last_modified', None)
                     chat_files_meta.append((chat_id, last_modified))
             
+            # Sort by timestamp if available; otherwise fall back to string name
             chat_files_meta.sort(key=lambda x: x[1] if x[1] is not None else x[0], reverse=True)
             return [[item[0]] for item in chat_files_meta]
+
     except Exception as metadata_error:
-        print(f"[!] Primary metadata pipeline exception: {metadata_error}")
+        # Log the error so it's visible in your HF Space logs instead of swallowing it
+        print(f"[!] Metadata fetch failed, switching to fallback string sort: {metadata_error}")
         
+    # 2. Fallback Layer: If metadata calls fail, immediately run original working string method
     try:
-        fallback_api = HfApi(token=os.getenv("HF_TOKEN"))
-        files = fallback_api.list_repo_files(repo_id=REPO_ID, repo_type="dataset")
+        files = api.list_repo_files(repo_id=REPO_ID, repo_type="dataset")
         chat_files = [f.split("/")[-1].replace(".json", "") for f in files if f.startswith("chats/")]
         return [[f] for f in sorted(chat_files, reverse=True)]
     except Exception as fallback_error:
-        print(f"[!!] Critical Storage Interface Breakdown: {fallback_error}")
+        print(f"[!!] Total storage access failure: {fallback_error}")
         return []
 
 def save_chat(chat_id, history):