6190f3dd39
- 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