feat: als and prisma

core/als/request-context.middleware.ts

@@ -0,0 +1,19 @@
+import { Injectable, NestMiddleware } from '@nestjs/common';
+import { Request, Response, NextFunction } from 'express';
+import { randomUUID } from 'crypto';
+import { RequestContextService } from './request-context.service';
+
+@Injectable()
+export class RequestContextMiddleware implements NestMiddleware {
+  constructor(private readonly ctx: RequestContextService) {}
+
+  use(req: Request, _: Response, next: NextFunction) {
+    const context = {
+      requestId: randomUUID(),
+      correlationId: (req.headers['x-correlation-id'] as string) ?? undefined,
+      headers: req.headers as Record<string, string>,
+    };
+
+    this.ctx.run(context, next);
+  }
+}