- Move the 'get_app_data_dir' function to the top of the file.
- Add comments to explain the purpose of the function.
- Initialize the 'supportedFileTypes' variable.
- Update the file path for 'STORAGE_FILE' to use the 'get_app_data_dir' function.
- Renamed 'query_data' action to 'ask_codebase' in the workflows.
- Updated the description of the action to "Ask question about codebase".
- Updated the action name in the handler to 'ask_codebase'.