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/pages/discover/discover.wxml

@@ -1,6 +1,6 @@
 <import src="../../templates/journal.wxml" />
 <launch-transition />
-<view capture-bind:tap="onLoginSubscribeTap" class="app-shell j-handwritten-page" style="{{layoutStyle}}"><view class="j-fixed-header"><view class="j-fixed-heading" style="height:{{barHeight}}px;padding-right:{{navSide}}px;"><text class="j-eyebrow">PAGES OF US</text><text class="j-page-title">我们的生活手账</text></view></view>
+<view wx:if="{{!recordAccessBlocked}}" capture-bind:tap="onLoginSubscribeTap" class="app-shell j-handwritten-page" style="{{layoutStyle}}"><view class="j-fixed-header"><view class="j-fixed-heading" style="height:{{barHeight}}px;padding-right:{{navSide}}px;"><text class="j-eyebrow">PAGES OF US</text><text class="j-page-title">我们的生活手账</text></view></view>
 <scroll-view class="page-bg j-main-scroll" scroll-y show-scrollbar="{{false}}" bindscroll="onScroll" scroll-top="{{scrollTop}}" refresher-enabled="{{true}}" refresher-triggered="{{refreshing}}" bindrefresherrefresh="onRefresh">
 <view class="j-body"><view class="records-action-row"><text class="j-small-title">一起的日常</text><button class="j-button j-button-small" bindtap="showPublish">＋ 记录</button></view>
 <view class="j-tools records-tools"><view class="j-tool-grid"><view bindtap="goToSongs"><image src="/images/stat-music.svg" /><text>歌曲</text></view><view bindtap="goToCheckin"><image src="/images/stat-check.svg" /><text>打卡</text></view><view bindtap="goToPet"><image src="/images/stat-pet.svg" /><text>宠物</text></view><view bindtap="goToPeriod"><image src="/images/stat-j-flower.svg" /><text>姨姨</text></view></view></view>