Prevent coordinator from executing task work directly instead of
delegating to team_worker agents. Three-layer enforcement:
- SKILL.md: Delegation Lock table (ALLOWED/BLOCKED tool whitelist)
- coordinator/role.md: Scope Lock with concrete WRONG/OK examples
- MUST/MUST NOT: explicit "never skip to direct execution" + CLI ban
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>