Function tearDown

src/utils/worktree.ts:353–360

(msg: string)

    // fast-resume (rev-parse HEAD) would succeed and present a broken worktree
    // as "resumed". Tear it down before propagating the error.
    const tearDown = async (msg: string): Promise<never> => {
      await execFileNoThrowWithCwd(
        gitExe(),
        ['worktree', 'remove', '--force', worktreePath],
        { cwd: repoRoot },
      )
      throw new Error(msg)
    }
    const { code: sparseCode, stderr: sparseErr } =
      await execFileNoThrowWithCwd(
        gitExe(),