Epics now require a "Working Model" section in their description,
in addition to "Success Criteria". This provides clear guidance on
HOW the epic will be executed:
- Owner role: Coordinator vs Implementer
- Delegation target: Polecats, crew, external
- Review process: Approval gates
Closes gt-0lp
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>