fex:尝试修复流式显示工具调用不穿插显示的问题

src/utils/messageHandler.ts

@@ -116,33 +116,31 @@ async function handleUserMessageWithBackend(
     currentSession!.sendMessage(text, {
       onText: (fullText, isStreaming) => {
         if (isStreaming) {
-          // 流式时更新状态为"生成中"
+          // 流式更新消息
           panel.webview.postMessage({
-            command: "updateStatus",
-            text: "生成中...",
-            type: "working",
-          });
-        } else {
-          // 完成时发送消息并隐藏状态
-          console.log('[MessageHandler] 发送最终消息, 文本长度:', fullText.length);
-          panel.webview.postMessage({
-            command: "hideStatus",
-          });
-          panel.webview.postMessage({
-            command: "receiveMessage",
+            command: "updateStreamingMessage",
             text: fullText,
           });
         }
+        // 注意：完成时通过 onComplete 发送分段消息
       },
 
       onToolStart: (toolName) => {
+        // 实时显示工具状态
         panel.webview.postMessage({
           command: "toolStart",
           toolName,
         });
+        // 同时更新状态栏
+        panel.webview.postMessage({
+          command: "updateStatus",
+          text: `正在执行 ${toolName}...`,
+          type: "working",
+        });
       },
 
       onToolComplete: (toolName, result) => {
+        // 实时更新工具状态
         panel.webview.postMessage({
           command: "toolComplete",
           toolName,
@@ -151,6 +149,7 @@ async function handleUserMessageWithBackend(
       },
 
       onToolError: (toolName, error) => {
+        // 实时显示工具错误
         panel.webview.postMessage({
           command: "toolError",
           toolName,
@@ -159,22 +158,30 @@ async function handleUserMessageWithBackend(
       },
 
       onQuestion: (askId, question, options) => {
+        // 问题会在分段消息中显示，这里只更新状态栏
         panel.webview.postMessage({
-          command: "showQuestion",
-          askId,
-          question,
-          options,
+          command: "updateStatus",
+          text: "等待用户回答...",
+          type: "working",
         });
       },
 
-      onComplete: async () => {
-        // 隐藏加载状态
+      onComplete: async (segments) => {
+        // 隐藏状态栏
         panel.webview.postMessage({
-          command: "hideLoading",
+          command: "hideStatus",
         });
 
-        // 记录到历史（如果有累积文本）
-        // 注意：实际文本已通过 onText 发送
+        // 发送分段消息
+        console.log('[MessageHandler] 发送分段消息, 段落数:', segments.length);
+        console.log('[MessageHandler] segments 内容:', JSON.stringify(segments));
+
+        const result = await panel.webview.postMessage({
+          command: "receiveSegments",
+          segments: segments,
+        });
+        console.log('[MessageHandler] postMessage 返回值:', result);
+
         resolve();
       },