- Added `pundit-matchers` gem to improve policy testing capabilities.
- Updated `BlobsController` to support a new "tiny" size option for avatars.
- Enhanced `IndexablePostsHelper` with a `show_path` method for different postable types.
- Refactored `IndexedPost` model to include methods for retrieving artist information and external links.
- Modified `Domain::E621::Post` model to initialize `tags_array` as a hash.
- Updated views for indexed posts to support new display formats (gallery and table).
- Improved test coverage with new user factory and updated specs for controller and job behaviors.