Add a first cut of context menus, opened from the "more" (ellipsis)
button on Discover album cards and on album track rows.
- ContextMenu / ContextMenuItem primitives (PopupWindow-hosted panel)
- AlbumCard: the overlay action buttons are now interactive (they gate
their pointer handling so non-hovered cards still open on click); the
more button opens a menu — Open album, Play, Add to queue, Add to
favorites
- TrackRow: a hover-revealed more button opens a menu — Play, Add to
queue, Add to favorites; AlbumTrackItem and TrackData carry the
track id
- Menu actions bubble up as a single media-action(kind, id, action)
callback through the shell; main.rs logs it for now — playback and
favorites wiring lands with the playback session
- user and list-plus icons
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Clicking an artist (from the album page's artist line) opens the
artist detail view: a circular portrait, name, biography, action
buttons, a Popular Tracks list, and a Discography carousel.
- artist.rs: fetches the artist page via QbzCore::get_artist_page and
maps name, biography (HTML-stripped), portrait URL, top tracks and
releases; the portrait loads through the shared image cache.
- ArtistPageView.slint reuses AlbumCard for the discography (through
the Carousel) and AlbumTrackItem for the track list.
- NavState becomes a three-way ContentView (home / album / artist) and
AppShell routes the content region accordingly. The album page's
artist line and the artist page's release cards are navigable.
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vicrodh