- Relax scheduler dep gate to treat in-review tasks as satisfied
- Add resolveBaseBranch() to detect in-review deps with unmerged worktrees
- Executor creates worktrees from dep branch instead of HEAD when baseBranch is set
- Extend file-overlap tracking to include in-review tasks with worktrees
- Add baseBranch field to Task type and store update logic
- Add scheduler and executor tests for in-review dependency handling