- New `subminer -H` flag opens an fzf/rofi menu of watched series from the immersion tracker DB
- Actions: replay last episode, play next episode (cross-season), or browse episodes
- Adds `history.ts` with DB query, series grouping, season dir listing, and next-episode logic
- Adds `bun-sqlite.d.ts` ambient types for tsc compat
- Includes full test coverage in `history.test.ts`
