- Appended VIN Decoder feasibility session to research/RESEARCH_LOG.md
- NHTSA vPIC: no rate limits, public domain, 1981-present coverage
- Competitor audit: 28,500+ combined RapidAPI subscribers across 4 listings
- Legal/ToS: 17 U.S.C. 105 public domain confirmed, no redistribution restrictions
- Decision: BUILD confirmed
- Added apis/vin-decoder/openapi.yaml with:
- GET /decode?vin={vin} - full single VIN decode
- POST /batch - up to 50 VINs per request
- GET /health - service health + cache stats
- Full OAS 3.1 schema (nullable fields use type arrays)
- Passes redocly lint with zero errors
Closesleeworks-agents/api-company#117