feat: add account deletion, announcements and subscription renewal

Support personal records and persistent smoking visibility. Add upload quota preflight, file cleanup, privacy entry, image caching and revision-based page refresh across the backend, admin and mini program.

weapp/pages/unbind/unbind.js

@@ -1,8 +1,10 @@
+const { tryLoginRenewal } = require('../../utils/subscribe');
 const { getLayout } = require('../../utils/layout');
 // pages/unbind/unbind.js - 情侣解绑确认页
 const { api } = require('../../utils/request');
 
 Page({
+  onLoginSubscribeTap: function() { return tryLoginRenewal(); },
   onResize: function() { this.setData(getLayout()); },
   data: {
     loading: true, loadError: false,

weapp/pages/unbind/unbind.wxml

@@ -1,4 +1,4 @@
-<view class="app-shell app-shell--secondary" style="{{layoutStyle}}">
+<view capture-bind:tap="onLoginSubscribeTap" class="app-shell app-shell--secondary" style="{{layoutStyle}}">
 <launch-transition />
 <!-- pages/unbind/unbind.wxml - 情侣解绑确认页 -->
 <app-nav title="解绑" back="{{true}}" />