feat(XCamera): 实现异步抓图功能并优化图像处理

fix(nginx): 调整企业微信回调代理路径

feat(gateway): 添加企业微信消息处理功能

docs: 更新项目规划文档和企业微信配置详情

refactor(XCamera): 重构LED检测和图像处理逻辑

test: 添加ONVIF抓图测试功能

Claw/client/wechat_app/pages/chat/chat.wxml

@@ -6,24 +6,95 @@
     scroll-y="{{true}}" 
     scroll-into-view="{{lastMessageId}}"
     enable-back-to-top="{{true}}"
+    bindscrolltolower="loadMoreHistory"
   >
+    <!-- 系统消息 -->
+    <view wx:if="{{messages.length === 0}}" class="empty-message">
+      <text class="empty-text">开始与智控未来的对话吧</text>
+    </view>
+    
+    <!-- 历史消息提示 -->
+    <view wx:if="{{showHistoryTip}}" class="history-tip">
+      <text>已加载历史消息</text>
+    </view>
+    
+    <!-- 消息项 -->
     <view 
       wx:for="{{messages}}" 
       wx:key="id" 
       id="{{item.id}}"
       class="message-item {{item.isMe ? 'message-right' : 'message-left'}}"
+      bindlongpress="onMessageLongPress"
+      data-message-id="{{item.id}}"
     >
       <view class="message-avatar">
         <image src="{{item.avatar}}" mode="aspectFill"></image>
       </view>
       <view class="message-content">
-        <view class="message-header">
+        <view wx:if="{{!item.isMe && item.nickname}}" class="message-header">
           <text class="message-nickname">{{item.nickname}}</text>
-          <text class="message-time">{{item.time}}</text>
         </view>
         <view class="message-body">
-          <text class="message-text" wx:if="{{item.type === 'text'}}">{{item.content}}</text>
-          <image class="message-image" wx:if="{{item.type === 'image'}}" src="{{item.content}}" mode="widthFix"></image>
+          <!-- 文本消息 -->
+          <view wx:if="{{item.type === 'text' || item.type === 'richText'}}" class="message-text-container">
+            <rich-text wx:if="{{item.type === 'richText'}}" nodes="{{item.content}}"></rich-text>
+            <text wx:else class="message-text">{{item.content}}</text>
+          </view>
+          
+          <!-- 图片消息 -->
+          <image wx:if="{{item.type === 'image'}}" class="message-image" src="{{item.content}}" mode="widthFix" bindtap="previewImage" data-url="{{item.content}}"></image>
+          
+          <!-- 代码块 -->
+          <view wx:if="{{item.type === 'code'}}" class="message-code">
+            <view class="code-header">
+              <text class="code-language">{{item.language || '代码'}}</text>
+              <button class="copy-btn" bindtap="copyCode" data-content="{{item.content}}">
+                <text class="copy-icon">📋</text>
+                <text class="copy-text">复制</text>
+              </button>
+            </view>
+            <view class="code-body">
+              <text class="code-text">{{item.content}}</text>
+            </view>
+          </view>
+          
+          <!-- 按钮卡片 -->
+          <view wx:if="{{item.type === 'buttonCard'}}" class="message-button-card">
+            <view class="card-title">{{item.title}}</view>
+            <view class="card-buttons">
+              <button 
+                wx:for="{{item.buttons}}" 
+                wx:key="id" 
+                class="card-button" 
+                bindtap="onCardButtonTap" 
+                data-action="{{item.buttons[index].action}}"
+              >
+                {{item.buttons[index].text}}
+              </button>
+            </view>
+          </view>
+        </view>
+        <view class="message-footer">
+          <text class="message-time">{{item.time}}</text>
+        </view>
+      </view>
+    </view>
+    
+    <!-- 加载中动画 -->
+    <view wx:if="{{isTyping}}" class="typing-container">
+      <view class="message-item message-left">
+        <view class="message-avatar">
+          <image src="/assets/images/ai-avatar.png" mode="aspectFill"></image>
+        </view>
+        <view class="message-content">
+          <view class="message-body">
+            <view class="typing-indicator">
+              <view class="typing-dot"></view>
+              <view class="typing-dot"></view>
+              <view class="typing-dot"></view>
+            </view>
+            <text class="typing-text">正在输入...</text>
+          </view>
         </view>
       </view>
     </view>
@@ -40,6 +111,7 @@
         bindconfirm="sendMessage"
         confirm-type="send"
         adjust-position="{{true}}"
+        maxlength="2000"
       />
       <button 
         class="send-btn" 
@@ -50,14 +122,5 @@
         发送
       </button>
     </view>
-    
-    <view class="action-buttons">
-      <button class="action-btn" bindtap="chooseImage">
-        <image src="/assets/icons/image.png" mode="aspectFit"></image>
-      </button>
-      <button class="action-btn" bindtap="showMoreActions">
-        <image src="/assets/icons/more.png" mode="aspectFit"></image>
-      </button>
-    </view>
   </view>
 </view>