fix migration

backend/app/settings/service.py

@@ -7,7 +7,7 @@ from typing import Any
 from sqlalchemy import select
 from sqlalchemy.orm import Session
 
-from app.config import Settings, get_settings, resolve_vision_model
+from app.config import Settings, get_settings, resolve_extract_model, resolve_vision_model
 from app.db.models import AssistantState
 
 SETTING_KEYS = (
@@ -69,6 +69,8 @@ class SettingsService:
                 return self._default_for(key)
         if key == "openrouter_vision_model":
             return resolve_vision_model(raw.strip())
+        if key == "memory_extract_model":
+            return resolve_extract_model(raw.strip())
         return raw
 
     def snapshot(self) -> dict[str, Any]: