- Add Domain::Bluesky::Job::ScanUserJob for processing user media
- Add Domain::Bluesky::Job::Base as parent class for Bluesky jobs
- Update BlueskyUser and BlueskyPostFile models with media handling
- Add migration for Bluesky media fields in post_files table
- Update StaticFileJob to handle Bluesky media downloads
- Add comprehensive test coverage for new functionality
- Update Sorbet RBI files for type checking