Adds missing action features to match the web dashboard:
- Merge PR button: green button when PR is mergeable, calls /api/prs/:id/merge
- CI checks list: individual checks with status icons and links
- "Ask to fix CI" button: sends "Please fix the failing CI checks" to agent
- Unresolved review comments: per-comment card with author, path, body
- "Ask Agent to Fix" per comment: sends context-specific message with file path
- Alert cards: CI failures, merge conflicts, changes requested warnings
- Spawn Session screen: create new sessions with project ID and optional issue ID
- "+" button on home screen header to spawn sessions
- PR title is now tappable (opens in browser)
- Color-coded CI/review/mergeability status values
- PR blockers list display
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2675c191e2