{"type":"object","additionalProperties":false,
 "properties":{
  "next":{"type":"string","enum":["待执行","需拍板"]},
  "brief_path":{"type":"string","description":"docs/tasks/TASK-<主题>-<日期>.md，已推到 origin/staging；需拍板时为空字符串"},
  "branch":{"type":"string","description":"codex/<主题>-<日期>；需拍板时为空字符串"},
  "comment_markdown":{"type":"string","description":"发到 issue 的中文评论正文，不含首行标记"}},
 "required":["next","brief_path","branch","comment_markdown"]}