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

tmp/DEMO-miniprogram/miniprogram/components/board-tab-bar/board-tab-bar.wxml

@@ -0,0 +1,39 @@
+<!-- 自定义底部导航栏 — 用于非 TabBar 的看板子页面，SVG icon 忠于 H5 原型 -->
+<view class="tab-bar">
+  <view
+    class="tab-bar-item {{active === 'task' ? 'tab-bar-item--active' : ''}}"
+    bindtap="onTap"
+    data-tab="task"
+  >
+    <image
+      class="tab-bar-icon"
+      src="{{active === 'task' ? '/assets/icons/tab-task-nav-active.svg' : '/assets/icons/tab-task-nav.svg'}}"
+      mode="aspectFit"
+    />
+    <text class="tab-bar-label">任务</text>
+  </view>
+  <view
+    class="tab-bar-item {{active === 'board' ? 'tab-bar-item--active' : ''}}"
+    bindtap="onTap"
+    data-tab="board"
+  >
+    <image
+      class="tab-bar-icon"
+      src="{{active === 'board' ? '/assets/icons/tab-board-nav-active.svg' : '/assets/icons/tab-board-nav.svg'}}"
+      mode="aspectFit"
+    />
+    <text class="tab-bar-label">看板</text>
+  </view>
+  <view
+    class="tab-bar-item {{active === 'my' ? 'tab-bar-item--active' : ''}}"
+    bindtap="onTap"
+    data-tab="my"
+  >
+    <image
+      class="tab-bar-icon"
+      src="{{active === 'my' ? '/assets/icons/tab-my-nav-active.svg' : '/assets/icons/tab-my-nav.svg'}}"
+      mode="aspectFit"
+    />
+    <text class="tab-bar-label">我的</text>
+  </view>
+</view>