feat(web): add pull request actions to thread details

- Add ready, merge, and conflict-resolution actions to the PR row
- Share pull request action and handoff logic with the detail panel
- Fix thread details scrolling and row alignment
45a94584eaJulius Marminge committed on 9/1/2026, 4:32:33 AMparent3097c71
7 files changedLine totals unavailable