RXWatcherandClaude Opus 4.7
62cbe942c6
The tile sits at the far left of the bar; clicking it fires onExpand,
which is a no-op for now (mini ↔ Now Listening swap lands in the next
task). The tile sets viewTransitionName: audiobook-cover-\${contentId}
so the upcoming overlay can morph from it via the View Transitions API.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>