feat: 电子药箱小程序 - 4Tab药品管理

- 电子药箱: 药品库存管理 + 手动录入 + 今日用药打卡
- 药品百科: 搜索 + 分类筛选 + 20种药品静态数据
- 惠教中心: 4条药品使用指南课程
- 我的: 家庭成员信息管理
- 自定义TabBar + navigation-bar组件
- SVG药品分类插图

miniprogram/package-live/volc-mini-sdk/components/chat/chat.wxml

@@ -0,0 +1,23 @@
+<view class="volc-chat-wrap {{isLandscape ? 'volc-chat-wrap-landscape' : ''}}">
+  <slot name="top-area"></slot>
+  <notification-message sdkInstance="{{sdkInstance}}" isLandscape="{{isLandscape}}" bind:commentCheck="commentCheck" />
+  <chat-list
+    class="volc-chat-list"
+    id="chatList"
+    sdkInstance="{{sdkInstance}}"
+    isLandscape="{{isLandscape}}"
+    chat-list="{{ chatList }}"
+    bind:previewimage="previewImage"
+  />
+  <chat-edit
+    id="chatEdit"
+    class="volc-chat-edit"
+    sdkInstance="{{sdkInstance}}"
+    isLandscape="{{isLandscape}}"
+    externalEditorCloseSignal="{{externalEditorCloseSignal}}"
+    bind:commentCheck="commentCheck"
+    bind:editorstatechange="handleEditorStateChange"
+  >
+    <slot></slot>
+  </chat-edit>
+</view>