feat: require couple binding and refine miniapp settings

Gate record features and storage entry points with invitation guidance; enforce record access in the backend. Add homepage greetings, right-swipe profile dismissal, and move the smoking switch to settings. Simplify API base configuration and remove the unused legacy tab bar component.

weapp/components/smoking-card/smoking-card.wxml

@@ -1,4 +1,5 @@
 <view class="smoke-card">
+  <text wx:if="{{!detailed}}" class="smoke-setting-hint" bindtap="openDisplaySettings">可在「我的 → 更多」关闭此事件 ›</text>
   <view class="smoke-head" bindtap="openDetail"><view><text class="smoke-eyebrow">默认事件 · 按支记录</text><text class="smoke-title">抽烟记录</text></view><text class="smoke-link" wx:if="{{!detailed}}">明细 ›</text></view>
   <view class="owners" wx:if="{{detailed && info && info.partner_id}}"><view class="owner {{!viewUserId ? 'selected' : ''}}" data-user="0" bindtap="switchOwner">我的记录</view><view class="owner {{viewUserId ? 'selected' : ''}}" data-user="{{info.partner_id}}" bindtap="switchOwner">TA的记录</view></view>
   <view wx:if="{{loading}}" class="smoke-hint">正在加载记录…</view>