fix: Add app_context() wrapper for thread-safe DB access

info.yaml

@@ -1,5 +1,5 @@
 title: "애니 다운로더"
-version: "0.4.5"
+version: "0.4.6"
 package_name: "anime_downloader"
 developer: "projectdx"
 description: "anime downloader"

mod_anilife.py

@@ -1325,7 +1325,9 @@ class AniLifeQueueEntity(FfmpegQueueEntity):
         # Call parent's download_completed first (handles file move)
         super().download_completed()
         
-        # Update DB status
+        # Update DB status - wrap in app context since this runs in a thread
+        from framework import app
+        with app.app_context():
             db_entity = ModelAniLifeItem.get_by_anilife_id(self.info["_id"])
             if db_entity is not None:
                 db_entity.status = "completed"

model_base.py

@@ -136,6 +136,8 @@ class AnimeQueueEntity(FfmpegQueueEntity):
     def _update_db_status(self):
         """Update DB status to completed - generic method for all sites."""
         try:
+            from framework import app
+            with app.app_context():
                 # Get the web_list_model from module_logic
                 model_class = getattr(self.module_logic, 'web_list_model', None)
                 if model_class is None: