feat: chat integration, tenant admin spec, backend chat service, miniprogram updates, DEMO moved to tmp, XCX-TEST removed, migrations & docs

tmp/DEMO-miniprogram/miniprogram/pages/notes/notes.wxml

@@ -0,0 +1,60 @@
+<!-- pages/notes/notes.wxml — 备注记录 -->
+
+<!-- 加载态（toast 浮层，不白屏） -->
+<view class="g-toast-loading" wx:if="{{pageState === 'loading'}}">
+  <view class="g-toast-loading-inner">
+    <t-loading theme="circular" size="40rpx" />
+    <text class="g-toast-loading-text">加载中...</text>
+  </view>
+</view>
+
+<!-- 错误态 -->
+<view class="page-error" wx:elif="{{pageState === 'error'}}">
+  <view class="error-content">
+    <text class="error-icon">😵</text>
+    <text class="error-text">加载失败，请重试</text>
+    <view class="retry-btn" hover-class="retry-btn--hover" bindtap="onRetry">
+      <text class="retry-btn-text">重新加载</text>
+    </view>
+  </view>
+</view>
+
+<!-- 空数据态 -->
+<view class="page-empty-wrap" wx:elif="{{pageState === 'empty'}}">
+  <view class="page-empty">
+    <t-empty description="暂无备注记录" />
+  </view>
+</view>
+
+<!-- 正常态 -->
+<view class="page-normal" wx:elif="{{pageState === 'normal'}}">
+  <!-- 备注列表 -->
+  <view class="note-list">
+    <view
+      class="note-card"
+      wx:for="{{notes}}"
+      wx:key="id"
+    >
+      <text class="note-content">{{item.content}}</text>
+      <view class="note-bottom">
+        <text class="note-tag {{item.tagType === 'coach' ? 'tag-coach' : 'tag-customer'}}">{{item.tagLabel}}</text>
+        <view class="note-bottom-right">
+          <view class="note-delete-btn" catchtap="onDeleteNote" data-id="{{item.id}}" hover-class="note-delete-btn--hover">
+            <t-icon name="delete" size="16px" color="#a6a6a6" />
+          </view>
+          <text class="note-time">{{item.timeLabel}}</text>
+        </view>
+      </view>
+    </view>
+  </view>
+
+  <!-- 底部提示 -->
+  <view class="list-footer">
+    <text class="footer-text">— 已加载全部记录 —</text>
+  </view>
+
+  <!-- AI 悬浮按钮 -->
+  <ai-float-button />
+</view>
+
+<dev-fab />