v0.2.0

Multi-panel search, unified saved/liked hearts, layout and lyrics-cache fixes.

- Combined search shows a four-panel view (Songs / Artists / Albums / Playlists)
  with two-level keyboard navigation; up to 20 results per panel.
- Prefixed searches (/TRK /ART /ALB /PLY /PDC /EPS) keep a single full list.
- A "Searching..." indicator shows when searching from within a results view.
- Fixed album track likes; all saved / liked / followed markers unified as hearts.
- Recently Played loading state; cleaner artist profiles; single-frame content views.
- Tighter main layout; tables fit the width; lyrics cache bounded by size (2 MB).
- Fixes saved albums loading and empty saved-episode fields (#1).