feat: Grundgeruest fertigstellen (Backend/Frontend/K8s)

Backend: Prisma-Client auf prisma-client-js + Driver-Adapter (@prisma/adapter-pg)
umgestellt (Prisma 7 verlangt Adapter, ESM-Client brach an Jest), erste Migration
erzeugt und angewendet, /api/v1 Versioning, Swagger unter /api/v1/docs, Helmet,
globale ValidationPipe, PrismaModule, HealthModule (/health, /health/ready mit
DB-Check), tsconfig.build.json Root-Dir-Fix (dist/main.js statt dist/src/main.js).

Frontend: Tailwind v4 + shadcn/ui initialisiert, TanStack Query Provider, PWA
Manifest (app/manifest.ts), Vitest + Testing Library Setup, next.config output
standalone.

deploy/k8s: Dockerfiles (Backend/Frontend, Multi-Stage) + Deployment/Service/
Ingress/ConfigMap/Secret-Vorlagen fuer beide Projekte.

Lokale Dev-/Test-Postgres-Instanz unter ApiCore-Backend/.devdb angelegt (eigene
Rolle, kein bestehendes Passwort noetig), .env/.env.test lokal befuellt.

Lint, Typecheck, Tests und Build sind fuer Backend und Frontend gruen; Server
wurde lokal gestartet und /health, /health/ready, /api/v1/docs manuell verifiziert.

ApiCore-Backend/src/main.ts

@@ -1,8 +1,39 @@
 import { NestFactory } from '@nestjs/core';
+import { RequestMethod, ValidationPipe, VersioningType } from '@nestjs/common';
+import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger';
+import helmet from 'helmet';
 import { AppModule } from './app.module';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
+
+  app.use(helmet());
+
+  app.setGlobalPrefix('api', {
+    exclude: [
+      { path: 'health', method: RequestMethod.GET },
+      { path: 'health/ready', method: RequestMethod.GET },
+    ],
+  });
+  app.enableVersioning({ type: VersioningType.URI, defaultVersion: '1' });
+
+  app.useGlobalPipes(
+    new ValidationPipe({
+      whitelist: true,
+      forbidNonWhitelisted: true,
+      transform: true,
+    }),
+  );
+
+  const swaggerConfig = new DocumentBuilder()
+    .setTitle('ApiCore API')
+    .setDescription('Digitale Imkereiverwaltung – API-Dokumentation')
+    .setVersion('1.0')
+    .addBearerAuth()
+    .build();
+  const swaggerDocument = SwaggerModule.createDocument(app, swaggerConfig);
+  SwaggerModule.setup('api/v1/docs', app, swaggerDocument);
+
   await app.listen(process.env.PORT ?? 3000);
 }
-bootstrap();
+void bootstrap();