When sync.branch is configured, bd sync now commits beads changes
to that branch via git worktree, keeping the user's current branch
(e.g., main) clean of beads sync commits.
Changes:
- Add internal/syncbranch/worktree.go with CommitToSyncBranch and
PullFromSyncBranch functions for worktree-based operations
- Modify sync.go to check sync.branch config and use worktree
functions when configured
- Skip pre-commit hooks in worktree commits (--no-verify) since
bd's pre-commit hook would fail in worktree context
- Re-export after import also uses worktree when sync.branch set
This enables the orchestrator workflow where multiple workers stay
on main but all beads commits flow to a dedicated beads-sync branch.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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