Upload app.py

app.py

@@ -239,9 +239,13 @@ def _ensure_data_layout():
         if db_initialized:
             return
         _init_db_schema()
-        _migrate_legacy_file_data_if_needed()
         db_initialized = True
 
+    try:
+        _migrate_legacy_file_data_if_needed()
+    except Exception as exc:
+        logger.warning("Legacy data migration skipped due to error: %s", exc)
+
 
 def _hash_password(password: str, salt_hex: Optional[str] = None):
     salt = bytes.fromhex(salt_hex) if salt_hex else secrets.token_bytes(16)