fix(web): new worktree threads no longer flicker while starting (#15019)

Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
3a7058da50Theo Browne committed on 10/3/2026, 4:37:18 AM· committed by GitHubparent22e9d35
6 files changedLine totals unavailable