Add AI DEV Node deployment foundation

server/http/apiResponse.ts

@@ -0,0 +1,15 @@
+import type { Response } from 'express';
+
+export interface ApiResponse<T> {
+  code: number;
+  message: string;
+  data: T | null;
+}
+
+export function ok<T>(res: Response, data: T, message = 'OK'): void {
+  res.status(200).json({ code: 200, message, data } satisfies ApiResponse<T>);
+}
+
+export function created<T>(res: Response, data: T, message = 'CREATED'): void {
+  res.status(201).json({ code: 201, message, data } satisfies ApiResponse<T>);
+}