category'tool' | 'skill' | 'session' | 'api' | 'task' | 'workflow' | 'system' required
event'tool.start' | 'tool.end' | 'skill.invoke' | 'skill.complete' | 'session.start' | 'session.end' | 'session.resume' | 'session.cost' | 'api.request' | 'api.error' | 'task.poll' | 'task.assign' | 'task.timeout' | 'workflow.step.start' | 'workflow.step.end' | 'workflow.run.start' | 'workflow.run.end' | 'system.boot' | 'system.migration' | 'system.error' | 'script.global_upsert' | 'schedule.deleted' required
status'ok' | 'error' | 'timeout' | 'skipped'
source'worker' | 'api' | 'hook' | 'scheduler' | 'cli' required