feat: 优化名片分享海报与详情交互

- 为律师详情页增加分享海报生成与分享封面图

- 新增律所简介入口并调整个人简介为页面整体滚动

frontend_miniprogram/miniprogram/pages/lawyer-detail/index.wxml

@@ -61,10 +61,7 @@
         <!-- Bio -->
         <view class="section-card">
           <view class="section-header">个人简介</view>
-          <scroll-view wx:if="{{bioScrollable}}" class="bio-scroll" scroll-y="true" show-scrollbar="true">
-            <view class="bio-text">{{lawyer.bio}}</view>
-          </scroll-view>
-          <view wx:else class="bio-text">{{lawyer.bio}}</view>
+          <view class="bio-text">{{lawyer.bio}}</view>
         </view>
 
 
@@ -73,6 +70,15 @@
       </view>
     </scroll-view>
 
+    <canvas
+      id="sharePosterCanvas"
+      class="share-poster-canvas"
+      canvas-id="sharePosterCanvas"
+      disable-scroll="true"
+      type="2d"
+      style="width: 500px; height: 400px;"
+    ></canvas>
+
     <!-- Fixed Action Dock -->
     <action-dock bind:action="handleDockAction"></action-dock>
   </block>