Build [v1.4.1] - Security hardening, PWA and UI refinements

backend/routers/items.py

@@ -141,7 +141,7 @@ def update_item(
 def delete_item(
     item_id: int,
     db: Session = Depends(get_db),
-    current_user: auth.TokenData = Depends(auth.get_current_user)
+    current_user: auth.TokenData = Depends(auth.get_current_admin)
 ):
     """[C-01] Delete item — only for authenticated users. InterventionItems are cleared; AuditLogs are KEPT for history."""
     db_item = db.query(models.Item).filter(models.Item.id == item_id).first()