feat: deliver V1.1 dual-client UI fidelity milestone

miniapp/utils/requestPromise.ts

@@ -0,0 +1,6 @@
+/** 将微信回调式请求封装为真正可 await 的 Promise。 */
+export function request<T = unknown>(options: WechatMiniprogram.RequestOption): Promise<WechatMiniprogram.RequestSuccessCallbackResult<T>> {
+  return new Promise((resolve, reject) => {
+    wx.request({ ...options, success: resolve as WechatMiniprogram.RequestSuccessCallback, fail: reject })
+  })
+}