fix: complete first version issue remediation

api/src/common/request-context.middleware.ts

@@ -0,0 +1,14 @@
+import { Injectable, NestMiddleware } from '@nestjs/common';
+import { requestContext } from './request-context';
+
+type RequestLike = { headers: Record<string, string | string[] | undefined>; socket?: { remoteAddress?: string } };
+
+@Injectable()
+export class RequestContextMiddleware implements NestMiddleware {
+  use(request: RequestLike, _response: unknown, next: () => void) {
+    const forwarded = request.headers['x-forwarded-for'];
+    const firstForwarded = Array.isArray(forwarded) ? forwarded[0] : forwarded?.split(',')[0];
+    const ipAddress = (firstForwarded ?? request.socket?.remoteAddress)?.trim().replace(/^::ffff:/, '');
+    requestContext.run({ ipAddress }, next);
+  }
+}

api/src/common/request-context.ts

@@ -0,0 +1,3 @@
+import { AsyncLocalStorage } from 'node:async_hooks';
+
+export const requestContext = new AsyncLocalStorage<{ ipAddress?: string }>();