新增: Git worktree生命周期管理(创建/提交/合并/冲突检测/清理)
- create_plan_worktree: 创建Plan级工作分支 - create_worktree: 创建SubTask专属worktree(天然文件隔离) - commit_worktree: worktree内提交改动(含user.email兜底) - merge_branch: merge-tree预检+merge实际合并,返回Clean/Conflict - remove_plan_worktrees: 批量清理Plan所有worktree+分支 - 7个集成测试全绿(隔离/并行/提交/无冲突合并/冲突检测/非Git降级/清理) - 使用真实Git+tempdir测试(参考df-execute/tests/shell.rs模式)
This commit is contained in: