feat(web): see and stop pull request watches in the thread details card (#16235)

Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
3da82d5d38Theo Browne committed on 10/5/2026, 11:16:50 PM· committed by GitHubparent9f61ba6
5 files changedLine totals unavailable