Adds clear guidance that crew members are coordinators, not implementers:
- Lists 4 key responsibilities: Research, Decompose, Sling, Review
- Clarifies "goal-specific mayor" model - own outcomes via delegation
- Documents when to implement directly vs delegate (trivial fixes, spikes, etc.)
Closes: gt-gig
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>