AirPlay was scaffolded in both crates/qbz-cast/src/airplay and
src-tauri/src/cast/airplay but never worked at runtime: the RAOP
sender required an Apple MFi-licensed stack with no free/open
alternative, and the backend state was already disabled via the
commented `.manage(airplay_state)` line in src-tauri/src/lib.rs.
The CastPicker UI already hid the AirPlay tab pending streaming
support that was never going to ship.
Delete:
- crates/qbz-cast/src/airplay/ (entire directory)
- src-tauri/src/cast/airplay/ (entire directory)
- 10x v2_airplay_* commands from commands_v2/library.rs + their
tauri::generate_handler entries
- AirPlayError from qbz-cast errors
- 'airplay' from CastProtocol + every case arm in castStore.ts,
CastPicker.svelte, AudioOutputBadges.svelte
- Corresponding i18n keys if present
Zero behavior change for Chromecast / DLNA / QConnect / MPRIS. If
AirPlay ever becomes feasible we'll revisit from scratch with a
real streaming backend.
cc