feat: 添加智能体卡片组件

- 新建 agentCard.ts 智能体卡片UI组件
- webviewContent.ts 集成样式和脚本

src/views/webviewContent.ts

@@ -17,6 +17,10 @@ import {
   getMessageAreaStyles,
   getMessageAreaScript,
 } from "./messageArea";
+import {
+  getAgentCardStyles,
+  getAgentCardScript,
+} from "./agentCard";
 /**
  * 获取 WebView 面板的 HTML 内容
  */
@@ -65,6 +69,7 @@ export function getWebviewContent(iconUri?: string): string {
       padding: 0 20px 20px 20px;
     }
     ${getMessageAreaStyles()}
+    ${getAgentCardStyles()}
     ${getWaveformPreviewContent()}
     ${getConversationHistoryBarStyles()}
     ${getInputAreaStyles()}
@@ -531,6 +536,7 @@ export function getWebviewContent(iconUri?: string): string {
     });
 
     ${getMessageAreaScript()}
+    ${getAgentCardScript()}
     ${getWaveformPreviewScript()}
     ${getConversationHistoryBarScript()}
     ${getInputAreaScript()}