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/

next-env.d.ts

@@ -0,0 +1,5 @@
+/// <reference types="next" />
+/// <reference types="next/image-types/global" />
+
+// NOTE: This file should not be edited
+// see https://nextjs.org/docs/app/building-your-application/configuring/typescript for more information.