feat: 搭建微信小程序展示端

- 初始化小程序工程配置与类型声明

- 增加首页、律所、律师列表、详情与历史页面

- 补充公共组件、运行时配置与示例素材

frontend_miniprogram/miniprogram/pages/history/index.wxml

@@ -0,0 +1,22 @@
+<view class="container-page history-page">
+  <app-header title="名片查看记录" back="{{true}}" background="#f6f7fa"></app-header>
+
+  <scroll-view class="page-content" scroll-y="true" type="list">
+    <block wx:if="{{items.length}}">
+      <view class="actions">
+        <button class="clear-btn" bindtap="clearHistory">清空记录</button>
+      </view>
+
+      <view class="history-list">
+        <view class="history-item" wx:for="{{items}}" wx:key="viewedAt" wx:for-item="item">
+          <lawyer-card lawyer="{{item.lawyer}}" bind:select="handleLawyerSelect"></lawyer-card>
+          <text class="history-time">查看时间：{{item.timeText}}</text>
+        </view>
+      </view>
+    </block>
+
+    <block wx:else>
+      <empty-state text="还没有名片浏览记录"></empty-state>
+    </block>
+  </scroll-view>
+</view>