♻️(backend) clarify storage hook message for intentionally ignored req

Update the response message to explicitly state that certain
notifications are ignored on purpose, avoiding confusion
during debugging or log inspection.

src/backend/core/api/viewsets.py

@@ -762,14 +762,14 @@ class RecordingViewSet(
         except InvalidBucketError as e:
             raise drf_exceptions.PermissionDenied("Invalid bucket specified") from e
 
-        except InvalidFilepathError as e:
+        except InvalidFilepathError:
             return drf_response.Response(
-                {"message": f"Ignore this filepath, {e}"},
+                {"message": "Notification ignored."},
             )
 
-        except InvalidFileTypeError as e:
+        except InvalidFileTypeError:
             return drf_response.Response(
-                {"message": f"Ignore this file type, {e}"},
+                {"message": "Notification ignored."},
             )
 
         try:

src/backend/core/tests/recording/test_api_recordings_storage_hook.py

@@ -133,7 +133,7 @@ def test_save_recording_filetype_error(recording_settings, mock_get_parser):
     )
 
     assert response.status_code == 200
-    assert response.json() == {"message": "Ignore this file type, unsupported '.json'"}
+    assert response.json() == {"message": "Notification ignored."}
 
 
 def test_save_recording_filepath_error(recording_settings, mock_get_parser):
@@ -154,9 +154,7 @@ def test_save_recording_filepath_error(recording_settings, mock_get_parser):
     )
 
     assert response.status_code == 200
-    assert response.json() == {
-        "message": "Ignore this filepath, Invalid filepath structure: parent/folder/recording.jpeg"
-    }
+    assert response.json() == {"message": "Notification ignored."}
 
 
 def test_save_recording_unknown_recording(recording_settings, mock_get_parser, client):