Initial commit: Next.js scaffold, Request entity, Prisma+Zod, Tailwind v4+shadcn

- Next.js 14 (TS, App Router) monolith
- Request entity (Draft state) via Prisma + Postgres, validated with Zod
- ESLint configured
- Tailwind v4 + shadcn/ui (new-york-v4 style)
- Vitest test suite (6 tests, runs against throwaway Postgres DB per file)
- Multi-agent dev workflow docs in CLAUDE.md and .claude/agents/

prisma/migrations/migration_lock.toml

@@ -0,0 +1,3 @@
+# Please do not edit this file manually
+# It should be added in your version-control system (i.e. Git)
+provider = "postgresql"