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/coupon/couponBtnList/couponBtnList.json

@@ -0,0 +1 @@
+{"component":true,"usingComponents":{"Drawer":"../../../pubComponents/drawer/drawer","mp-icon":"weui-miniprogram/icon/icon","custom-button":"../../../pubComponents/button/button"}}

miniprogram/package-live/volc-mini-sdk/components/coupon/couponBtnList/couponBtnList.wxml

@@ -0,0 +1,53 @@
+<view wx:if="{{showEntry && hasValidCoupons}}" class="coupon-entry-container {{mode === 'landscape' ? 'landscape' : ''}}" catchtap="openListDrawer">
+  <view class="coupon-entry-wrap {{entryTheme === 'dark' || (mode === 'landscape' && useDarkTheme) ? 'dark' : ''}}">
+    <image class="coupon-entry-icon" src="../../../assets/coupon.svg" mode="aspectFit" />
+    <view class="coupon-entry-text">卡券</view>
+  </view>
+</view>
+<Drawer id="coupon-list-drawer" class="coupon-list-drawer {{mode === 'landscape' ? 'landscape' : ''}}" needCancel="{{false}}" themeColor="{{drawerTheme}}" bind:myCancel="closeListDrawer">
+  <view class="coupon-list-container {{mode === 'landscape' ? 'landscape' : ''}}">
+    <view class="coupon-list-header">
+      <view class="coupon-list-title">卡券</view>
+      <view class="coupon-list-sub">
+        <text>共 {{couponList.length}} 个卡券</text>
+        <text class="view-products-btn" bindtap="onViewProducts">查看商品</text>
+      </view>
+      <view class="coupon-close-btn" bindtap="onViewProducts">
+        <image src="../../../assets/common_close.png" class="close-icon" />
+      </view>
+    </view>
+    <scroll-view scroll-y class="coupon-list-scroll">
+      <block wx:if="{{couponList.length > 0}}">
+        <view class="coupon-list-item {{item._display.isReceived ? 'received' : ''}}" wx:for="{{couponList}}" wx:key="Id" data-id="{{item.Id}}" bindtap="onCouponItemClick">
+          <image class="coupon-list-bg" src="../../../assets/Subtract.png" />
+          <view class="item-left">
+            <image class="item-img" src="{{item._display.imageUrl}}" mode="aspectFill" />
+          </view>
+          <view class="item-center">
+            <view class="item-title">{{item._display.title}}</view>
+            <view class="item-desc">{{item._display.desc}}</view>
+            <view class="item-meta">
+              <text wx:if="{{item._display.countText}}">{{item._display.countText}}</text>
+            </view>
+            <view class="item-meta-time">
+              <text wx:if="{{item._display.timeText}}" class="item-time">
+                {{item._display.timeText}}
+              </text>
+            </view>
+          </view>
+          <view class="item-right">
+            <view wx:if="{{item._display.isReceived}}" class="received-btn">已领取</view>
+            <view wx:else class="action-btn {{item._display.btnDisabled ? 'disabled' : ''}}" data-id="{{item.Id}}" catchtap="onPickupFromList">
+              {{item._display.btnText}}
+            </view>
+          </view>
+        </view>
+        <view class="scroll-bottom-spacer"></view>
+      </block>
+      <view wx:else class="coupon-list-empty">
+        <image src="../../../assets/no_content.svg" class="empty-icon" />
+        <view class="empty-text">暂无卡券</view>
+      </view>
+    </scroll-view>
+  </view>
+</Drawer>