Expose internal browse endpoints for artists, albums, tracks, and search using the SQLite-backed library service. Add Subsonic-compatible getArtist, getAlbum, getSong, and stream.view handlers by mapping the same persistence layer into lightweight response envelopes.
Track scanner status for the web API and Subsonic-compatible scan endpoints, add authenticated cover art serving, and wire album artwork into the web UI. Keep Subsonic auth limited to legacy password mode for now so behavior stays honest with the current bcrypt-based user storage.
Bootstrap SQLite on server startup with embedded migrations and development seed data. Replace placeholder auth and library responses with database-backed services, bearer sessions, and repository-driven API handlers.
