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/smoking-detail/smoking-detail.js

@@ -1,5 +1,7 @@
+const { tryLoginRenewal } = require('../../utils/subscribe');
 const { getLayout } = require('../../utils/layout');
 Page({
+  onLoginSubscribeTap: function() { return tryLoginRenewal(); },
   data:{},
   onLoad(){this.setData(getLayout());},
   onResize(){this.setData(getLayout());},

weapp/pages/smoking-detail/smoking-detail.wxml

@@ -1 +1 @@
-<view class="app-shell app-shell--secondary" style="{{layoutStyle}}"><launch-transition /><app-nav title="抽烟记录" back="{{true}}" /><scroll-view class="page-bg" scroll-y bindscrolltolower="loadMore" lower-threshold="120" show-scrollbar="{{false}}"><view class="c-body"><smoking-card id="smoking" detailed="{{true}}" /></view></scroll-view></view>
+<view capture-bind:tap="onLoginSubscribeTap" class="app-shell app-shell--secondary" style="{{layoutStyle}}"><launch-transition /><app-nav title="抽烟记录" back="{{true}}" /><scroll-view class="page-bg" scroll-y bindscrolltolower="loadMore" lower-threshold="120" show-scrollbar="{{false}}"><view class="c-body"><smoking-card id="smoking" detailed="{{true}}" /></view></scroll-view></view>