- What: protocol for coordinating file format changes across agents
- Why: unanimous #1 priority from all 5 Engineering team members — schema
changes without notification cause silent breakage
- Includes: producer/consumer map, backward compatibility rules, PR template,
legacy alias documentation
Pentagon-Agent: Theseus <24DE7DA0-E4D5-4023-B1A2-3F736AFF4EEE>
