{"success":true,"message":"Cron Job Scheduler API","data":{"POST /jobs":"创建任务","GET /jobs":"获取任务列表（支持 status/type/start_time/end_time 筛选）","GET /jobs/:id":"获取单个任务","GET /jobs/:id/executions":"获取任务的执行历史","PUT /jobs/:id":"编辑任务（仅 PENDING 状态）","DELETE /jobs/:id":"删除任务","POST /jobs/:id/cancel":"取消任务（PENDING/QUEUED 状态）","POST /jobs/:id/retry":"重试任务（仅 FAILED 状态）","POST /jobs/:id/pause":"暂停任务（PENDING/QUEUED 状态）","POST /jobs/:id/resume":"恢复任务（仅 PAUSED 状态）","POST /jobs/:id/trigger":"强制触发任务（立即执行）","GET /stats":"获取任务统计数据","GET /executions":"获取所有执行记录（支持筛选）","POST /trigger":"手动触发 Cron 扫描","POST /cleanup":"清理已完成的旧任务"}}