getting last_login changes

gen/openapi_server/controllers/patchnotes_controller.py

@@ -125,7 +125,12 @@ def list_patchnotes(since: str | None = None):
     """GET /patchnotes – liefert neue Patchnotes und setzt last_login."""
 
     user_id = current_user_id()  # 1) aktueller Benutzer
-    last_login = last_login_collection.find_one({"user_id": user_id}, {"last_login"})
+    last_login_doc = last_login_collection.find_one(
+        {"user_id": user_id},
+        {"_id": 0, "last_login": 1}
+    )
+    last_login = last_login_doc.get("last_login") if last_login_doc else None
+
     query = {}
     logging.info("since" + str(since))
     logging.info("last_login" + str(last_login))
@@ -143,7 +148,7 @@ def list_patchnotes(since: str | None = None):
         query = {
             "patch_date": {
                 "$gte": since,
-                "$lte": last_login.last_login
+                "$lte": last_login
             }
         }