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/period/period.js

@@ -1,9 +1,11 @@
+const { tryLoginRenewal } = require('../../utils/subscribe');
 const { getLayout } = require('../../utils/layout');
 // pages/period/period.js - 姨姨（美柚风格日历模式）
 const { api } = require('../../utils/request');
 
 
 Page({
+  onLoginSubscribeTap: function() { return tryLoginRenewal(); },
   onResize: function() { this.setData(getLayout()); },
   data: {
     // 日历

weapp/pages/period/period.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/period/period.wxml - 姨姨（美柚风格日历模式） -->
 <app-nav title="姨姨" back="{{true}}" /><view class="period-loading" wx:if="{{accessLoading}}"><page-state kind="loading" title="正在加载姨姨记录" /></view>