## Summary ROADMAP v1.0 calls for a stable JSON output contract. Need versioning, compatibility tests, and a migration guide. ## Acceptance criteria - [ ] Explicit `contractVersion` (or equivalent) in JSON output + schema - [ ] Compatibility test suite for additive changes - [ ] Migration guide for breaking changes policy - [ ] CHANGELOG/ROADMAP updated when freeze lands
Summary
ROADMAP v1.0 calls for a stable JSON output contract. Need versioning, compatibility tests, and a migration guide.
Acceptance criteria
contractVersion(or equivalent) in JSON output + schema