- Move alphabetical index from vertical (right) to horizontal (top)
- Replace full-width grid with two-column layout:
- Left: Single-column artist list with compact cards and scroll
- Right: Selected artist's albums in a grid
- Hide group dropdown and view mode toggle (kept in code for future use)
- Click artist to select and show their albums (instead of navigating to Qobuz)
- Defaults to alphabetical grouping and grid view