1. Rewrote master/agent.md: strict anti-overreach rules, cleaned git merge conflicts
2. Enhanced agent-creator/agent.md: force Write tool for new files, mandatory task report
3. Implemented task/report callback: auto-wakes sender agent to continue next steps
   - Added .tasks/ metadata persistence for dispatch→report traceability
   - task/report sends [TASK_CALLBACK] to dispatching agent on done/failed