保证 request_id 会话固定

webview/src/components/ChatPanel.vue

@@ -370,6 +370,9 @@ function checkAndFixLoadingState() {
   if (shouldBeLoading !== chatState.loading) {
     log(`[checkAndFixLoadingState] 状态不一致，修复 - 应该loading=${shouldBeLoading}, 当前=${chatState.loading}`);
     chatStore.setLoading(shouldBeLoading);
+    
+    // 强制更新senderKey，确保a-x-sender组件重新渲染
+    chatState.senderKey = Date.now();
   }
   
   // 更新本地状态，只在需要时更新
@@ -381,8 +384,8 @@ function checkAndFixLoadingState() {
   lastLoadingState.value = shouldBeLoading;
   lastPendingState.value = hasPendingMessage;
   
-  // 仅在需要时更新senderKey
-  if (shouldBeLoading !== actualLoadingState.value || Date.now() - chatState.senderKey > 5000) {
+  // 仅在需要时更新senderKey (此条件可能不再需要，但保留为了防止其他情况)
+  if (shouldBeLoading !== actualLoadingState.value) {
     chatState.senderKey = Date.now();
   }
 }

webview/src/store/chat.ts

@@ -41,18 +41,24 @@ try {
 
 // 添加常量定义
 const REQUEST_TIMEOUT = 5000; // 请求超时时间（毫秒）
+const LOCAL_STORAGE_REQUEST_ID_KEY = 'vscode_ai_chat_request_id'; // 保存requestId的localStorage键名
 
 // WebSocket服务- 浏览器环境下实现
 export class WebSocketService {
   private socket: WebSocket | null = null;
   private backoffTime = 1000;
-  private nextRequestId = 1;
+  // 使用静态变量确保在同一个会话中所有的WebSocketService实例共享同一个requestId序列
+  private static _nextRequestId = 1;
   private requestHandlers: Map<number, (response: any) => void> = new Map();
   private reconnectAttempts = 0;
   private reconnectTimer: NodeJS.Timeout | null = null;
   private readonly MAX_RECONNECT_ATTEMPTS = 5;
   private readonly RECONNECT_DELAY = 2000;
   private isReconnecting = false;
+  private _hasLoggedRequestId = false; // 用于跟踪是否已记录过requestId
+  
+  // 内存存储，用于在localStorage不可用时的备用
+  private static memoryStorage: Record<string, string> = {};
   
   public isConnected = false;
   public isLoading = false;
@@ -62,7 +68,77 @@ export class WebSocketService {
   public messages: ChatMessage[] = []; // 聊天消息历史
   private eventListeners: Map<string, Array<(data?: any) => void>> = new Map();
 
-  constructor(private apiUrl: string, private apiKey: string, private logger: (message: string) => void = console.log) {}
+  /**
+   * 安全地获取存储值，优先使用localStorage，失败时使用内存存储
+   * @param key 存储键
+   * @returns 存储的值或null
+   */
+  private safeGetItem(key: string): string | null {
+    try {
+      // 首先尝试从localStorage获取
+      if (typeof localStorage !== 'undefined') {
+        return localStorage.getItem(key);
+      }
+    } catch (error) {
+      this.logger(`无法从localStorage读取数据: ${error}`);
+    }
+    
+    // 回退到内存存储
+    return WebSocketService.memoryStorage[key] || null;
+  }
+
+  /**
+   * 安全地设置存储值，优先使用localStorage，失败时使用内存存储
+   * @param key 存储键
+   * @param value 要存储的值
+   */
+  private safeSetItem(key: string, value: string): void {
+    try {
+      // 首先尝试存储到localStorage
+      if (typeof localStorage !== 'undefined') {
+        localStorage.setItem(key, value);
+        return;
+      }
+    } catch (error) {
+      this.logger(`无法写入数据到localStorage: ${error}`);
+    }
+    
+    // 回退到内存存储
+    WebSocketService.memoryStorage[key] = value;
+  }
+
+  constructor(private apiUrl: string, private apiKey: string, private logger: (message: string) => void = console.log) {
+    // 仅在类的静态变量_nextRequestId还是初始值时才从存储中恢复
+    if (WebSocketService._nextRequestId === 1) {
+      // 从存储中恢复requestId，确保在同一VSCode会话中保持一致
+      const savedRequestId = this.safeGetItem(LOCAL_STORAGE_REQUEST_ID_KEY);
+      
+      if (savedRequestId) {
+        const parsedId = parseInt(savedRequestId, 10);
+        if (!isNaN(parsedId) && parsedId > 0) {
+          WebSocketService._nextRequestId = parsedId;
+          this.logger(`从存储中恢复requestId: ${WebSocketService._nextRequestId}`);
+        } else {
+          // 如果存储的值无效，生成一个新的随机ID并保存
+          // 使用时间戳作为基础，确保唯一性
+          const timestamp = Date.now();
+          WebSocketService._nextRequestId = timestamp % 100000000 + Math.floor(Math.random() * 10000);
+          this.safeSetItem(LOCAL_STORAGE_REQUEST_ID_KEY, WebSocketService._nextRequestId.toString());
+          this.logger(`创建新的随机requestId: ${WebSocketService._nextRequestId} (基于时间戳)`);
+        }
+      } else {
+        // 首次运行，创建新的随机ID
+        // 使用时间戳作为基础，确保唯一性
+        const timestamp = Date.now();
+        WebSocketService._nextRequestId = timestamp % 100000000 + Math.floor(Math.random() * 10000);
+        this.safeSetItem(LOCAL_STORAGE_REQUEST_ID_KEY, WebSocketService._nextRequestId.toString());
+        this.logger(`创建新的随机requestId: ${WebSocketService._nextRequestId} (基于时间戳)`);
+      }
+    } else {
+      // 静态变量已初始化，记录当前值
+      this.logger(`使用已初始化的会话requestId: ${WebSocketService._nextRequestId}`);
+    }
+  }
 
   /**
    * 连接到WebSocket服务
@@ -500,10 +576,17 @@ export class WebSocketService {
   }
 
   /**
-   * 生成唯一的请求ID
+   * 生成唯一的请求ID - 在同一会话内保持不变，确保所有请求使用相同的ID
    */
   private generateRequestId(): number {
-    return this.nextRequestId++;
+    // 不再自增，每次返回相同的请求ID
+    // 仅在初始请求时记录日志，避免日志过多
+    if (!this._hasLoggedRequestId) {
+      this.logger(`使用固定请求ID: ${WebSocketService._nextRequestId} (会话中保持一致)`);
+      this._hasLoggedRequestId = true;
+    }
+    
+    return WebSocketService._nextRequestId;
   }
 
   /**