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/lawyer-list/index.wxml

@@ -0,0 +1,56 @@
+<view class="container-page lawyer-list-page">
+  <app-header title="专业律师" back="{{true}}" background="#fff"></app-header>
+
+  <!-- Sticky Header Wrapper -->
+  <view class="sticky-header">
+    <view class="search-wrap">
+      <view class="search-box">
+        <icon type="search" size="16" color="#999"></icon>
+        <input
+          class="search-input"
+          placeholder-class="search-placeholder"
+          placeholder="搜索律师姓名、专业领域..."
+          value="{{keyword}}"
+          bindinput="onSearchInput"
+        />
+      </view>
+    </view>
+
+    <filter-bar
+      office-options="{{officeOptions}}"
+      area-options="{{areaOptions}}"
+      selected-office="{{selectedOffice}}"
+      selected-area="{{selectedArea}}"
+      bind:officechange="handleOfficeChange"
+      bind:areachange="handleAreaChange"
+    ></filter-bar>
+  </view>
+
+  <view class="quick-actions">
+    <view class="action-btn hotline-btn" bindtap="callHotline">
+      <image class="action-icon" src="/assets/icons/phone.svg" mode="aspectFit" wx:if="{{false}}"></image> <!-- Placeholder for icon -->
+      <text>联系电话</text>
+    </view>
+    <view class="action-btn map-btn" bindtap="openOffice">
+      <text>总部导航</text>
+    </view>
+  </view>
+
+  <scroll-view class="page-content list-scroll" scroll-y="true" type="list">
+    <view class="list-wrap">
+      <block wx:if="{{filteredLawyers.length}}">
+        <view class="card-item" wx:for="{{filteredLawyers}}" wx:key="id" wx:for-item="item">
+          <lawyer-card lawyer="{{item}}" bind:select="handleLawyerSelect"></lawyer-card>
+        </view>
+      </block>
+      <block wx:else>
+        <empty-state text="未找到匹配的律师"></empty-state>
+      </block>
+      <view class="list-bottom-space"></view>
+    </view>
+  </scroll-view>
+
+  <view class="history-fab" bindtap="goHistory">
+    <text class="history-text">浏览记录</text>
+  </view>
+</view>