{
  "summary": [{"name": "world_sync_task", "title": "世界同步任务表", "primary": ["id"], "catelog": "entity"}],
  "fields": [
    {"name": "id", "title": "主键ID", "type": "str", "length": 32, "nullable": "no"},
    {"name": "world_id", "title": "所属世界ID", "type": "str", "length": 32, "nullable": "no"},
    {"name": "name", "title": "任务名称", "type": "str", "length": 255, "nullable": "no"},
    {"name": "target", "title": "同步目标", "type": "str", "length": 255, "nullable": "yes"},
    {"name": "sync_type", "title": "同步类型", "type": "str", "length": 16, "nullable": "no", "default": "push"},
    {"name": "status", "title": "任务状态", "type": "str", "length": 16, "nullable": "no", "default": "enabled"},
    {"name": "last_run_at", "title": "上次执行时间", "type": "timestamp", "nullable": "yes"},
    {"name": "created_by", "title": "创建人ID", "type": "str", "length": 32, "nullable": "yes"},
    {"name": "created_at", "title": "创建时间", "type": "timestamp", "nullable": "no"}
  ],
  "indexes": [{"name": "idx_sync_task_world", "idxtype": "index", "idxfields": ["world_id"]}],
  "codes": [
    {"field": "world_id", "table": "world", "valuefield": "id", "textfield": "name"},
    {"field": "sync_type", "table": "appcodes_kv", "valuefield": "k", "textfield": "v", "cond": "parentid='sync_type'"},
    {"field": "status", "table": "appcodes_kv", "valuefield": "k", "textfield": "v", "cond": "parentid='sync_status'"}
  ]
}