- Add @ketopath/db and fastify-plugin to apps/api - prismaPlugin decorates the Fastify instance with prisma and disconnects on app close, with FastifyInstance type augmented in src/types/fastify.d.ts - DATABASE_URL is now required by env validation - New module modules/db with GET /db/health running SELECT 1 via Prisma - dev script switched to tsx --env-file=.env for env loading Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>