feat(mini): 下单/提现/报名前补订阅消息授权（提升微信服务通知到达率）

- 新增 common/subscribe.js：页面预加载模板ID + 点击动作中同步请求授权（避免 await 丢失手势上下文）

- 下单支付前请求订单状态/核销码模板；提现前请求到账模板；组局报名确认后请求报名模板

- 自动过滤 tmpl_ 占位模板；授权失败不阻塞业务

- 新增回归护栏 subscribe-authorization.spec.ts（80 套件/615 用例全绿）

server/tests/subscribe-authorization.spec.ts

@@ -0,0 +1,40 @@
+// 已读取AGENTS.md
+import * as fs from 'fs';
+import * as path from 'path';
+
+/**
+ * 第六十四批回归闸门：关键动作前补订阅消息授权
+ */
+describe('第六十四批订阅授权补请求闸门', () => {
+  const rootDir = path.resolve(__dirname, '../../');
+  const read = (rel: string) => fs.readFileSync(path.join(rootDir, rel), 'utf-8');
+
+  const subscribeUtil = read('pwuniapp/common/subscribe.js');
+  const orderCreate = read('pwuniapp/pages/order/create.vue');
+  const withdraw = read('pwuniapp/pages/user/withdraw.vue');
+  const activityDetail = read('pwuniapp/pages/activity/detail.vue');
+
+  it('通用订阅工具：预加载 + 按场景请求 + 过滤占位模板', () => {
+    expect(subscribeUtil).toContain('export async function preloadSubscribeTemplates(');
+    expect(subscribeUtil).toContain('export function requestSubscribeFor(');
+    expect(subscribeUtil).toContain("order: ['orderStatusTemplateId', 'verifyCodeTemplateId']");
+    expect(subscribeUtil).toContain("withdraw: ['withdrawSuccessTemplateId']");
+    expect(subscribeUtil).toContain("activity: ['activityJoinTemplateId']");
+    expect(subscribeUtil).toContain("startsWith('tmpl_')");
+  });
+
+  it('下单页在支付前请求授权并预加载模板', () => {
+    expect(orderCreate).toContain('preloadSubscribeTemplates()');
+    expect(orderCreate).toContain("requestSubscribeFor('order')");
+  });
+
+  it('提现页在提交前请求授权并预加载模板', () => {
+    expect(withdraw).toContain('preloadSubscribeTemplates()');
+    expect(withdraw).toContain("requestSubscribeFor('withdraw')");
+  });
+
+  it('组局报名在确认后请求授权并预加载模板', () => {
+    expect(activityDetail).toContain('preloadSubscribeTemplates()');
+    expect(activityDetail).toContain("requestSubscribeFor('activity')");
+  });
+});