fix(arch-a2): deactivation cleanup - container services, search provider, hook deregistration, notification sync, task state, activation order

app/plugins/registry.py

@@ -709,6 +709,13 @@ class PluginRegistry:
         await db.flush()
         self._db_status[name] = record
 
+        # Re-sync notification types so entries of the deactivated plugin are
+        # removed from the DB (ARCH-015) — must run AFTER the status update.
+        try:
+            await self.sync_notification_types(db)
+        except Exception:
+            logger.exception("Failed to sync notification types after deactivating '%s'", name)
+
         # Invalidate Redis cache for this plugin across all tenants
         try:
             from app.core.redis import get_redis