feat: 添加一键优化提示词功能

- 在 ICHelperPanel.ts 添加 optimizePrompt 消息处理分支
- 新增 promptOptimizeService.ts 调用后端优化 API
- 完善 WebView 端优化按钮交互逻辑

src/views/ICViewProvider.ts

@@ -11,6 +11,7 @@ import {
   handleReplaceInFile,
   handleUserAnswer,
   abortCurrentDialog,
+  handleOptimizePrompt,
 } from "../utils/messageHandler";
 
 /**
@@ -70,6 +71,9 @@ export function showICHelperPanel(context: vscode.ExtensionContext) {
   // 处理消息
   panel.webview.onDidReceiveMessage(
     (message) => {
+      console.log("[ICViewProvider] ====== 收到 WebView 消息 ======");
+      console.log("[ICViewProvider] command:", message.command);
+      console.log("[ICViewProvider] 完整消息:", JSON.stringify(message));
       switch (message.command) {
         case "sendMessage":
           handleUserMessage(panel, message.text, context.extensionPath, message.mode);
@@ -117,6 +121,10 @@ export function showICHelperPanel(context: vscode.ExtensionContext) {
         case "abortDialog":
           void abortCurrentDialog();
           break;
+        // 新增：优化提示词
+        case "optimizePrompt":
+          handleOptimizePrompt(panel, message.prompt);
+          break;
       }
     },
     undefined,