Local-input + 250ms debounce drives Lidarr search; tab switch refetches
with new kind. Track-kind Request opens a confirm modal explaining the
album that will be added; Confirm fires createRequest, Cancel is a no-op.
Successful requests flip the card to 'requested' optimistically.
Shell nav now exposes /discover between Search and Playlists.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
bvandeusen