- Create LocalStrategy (username/password via argon2) and JwtStrategy (cookie extractor)
- Create JwtAuthGuard with @Public() decorator support for route opt-out
- Create RolesGuard checking SUPER_ADMIN/ADMIN/USER roles per D-12
- Create AuthService with validateUser, login (30-day httpOnly cookie), logout
- Create AuthController with POST /auth/login, POST /auth/logout, GET /auth/me
- Create LoginDto with class-validator decorators
- Create @Public, @Roles, @CurrentUser decorators
- Update main.ts with ValidationPipe, CORS credentials, cookie-parser
- Install cookie-parser for httpOnly JWT cookie support
- NestJS app with ConfigModule and HealthModule
- GET /health endpoint returning {status, timestamp} using HealthResponse type
- Prisma schema with PostgreSQL datasource and Tenant model (multi-tenancy foundation)
- Multi-stage Dockerfile with non-root nestjs user, monorepo root as build context
- Workspace dependency on @tessera/shared for shared types
- Type-check passes successfully