Two fixes after a 2026-05-23 regression where a Kodi restart left
plugin.video.youtube's service.py un-started, breaking every delegated
play with a silent "Service IPC - Monitor has not started" error.
- Addon: probe pv.youtube's localhost httpd (50152/50153) before
delegating. If nothing is listening, show a "YouTube service down —
restart Kodi" notification and fall back to our DASH / progressive
paths instead of letting setResolvedUrl fail silently.
- Sidecar: revert tokio runtime from current_thread back to
multi_thread with 2 worker threads so subscriptions_feed's per-channel
tokio::spawn fan-out runs in parallel. The current_thread RSS savings
weren't worth the behavioral change.
Kayos
5f2145e5fe