{
  "worktree": true,
  "milestone_num": "{{MILESTONE_NUMBER}}",
  "milestone": "{{MILESTONE_NAME}}",
  "main_worktree": "{{MAIN_WORKTREE_PATH}}",
  "branch": "milestone/{{MILESTONE_SLUG}}",
  "base_commit": "{{BASE_COMMIT}}",
  "created_at": "{{TIMESTAMP}}"
}