- GRILL_TRIGGERABLE_FROM now includes 'PLANNED' in actions/ideas.ts - ALLOWED_TRANSITIONS PLANNED entry extended with 'GRILLING' in lib/idea-status.ts - Updated canTransition test to reflect the new re-grill-from-PLANNED behavior
- lib/schemas/idea.ts: ideaCreateSchema, ideaUpdateSchema, ideaPlanMdFrontmatterSchema (yaml-frontmatter contract for materialize-step parser) - lib/idea-status.ts: bidirectional DB↔API mapping, canTransition state-machine guard, isIdeaEditable + isGrillMdEditable + isPlanMdEditable helpers - includes auto-regen docs/erd.svg from prisma generate Tests: 26 cases (status round-trip, transitions valid/invalid, schema validation edge-cases, priority bounds, verify-enum). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>