Scheduler tests hung on CI when t.Fatal fired before close(blockCh) —
defer sched.Stop() called wg.Wait() on goroutines still blocked on
blockCh. Fix: defer close(blockCh) after defer Stop() (LIFO order
ensures blockCh closes first).
Add release-beta.yaml for dev branch beta releases:
- Triggers on v*-beta* and v*-rc* tags
- Builds Linux binaries + Docker images (latest, full variants)
- Creates GitHub prerelease
- Docker tags: version-specific + "beta" rolling tag
- No overlap with release.yaml (branch-triggered, clean semver)
Update release-desktop.yaml:
- Auto-detect prerelease from tag name (beta/rc → prerelease: true)