Merge branch 'feat/back-to-front' into feat/plugin-front-end

- webviewContent 集成模式选择器脚本和样式
- inputArea 适配模式传递
- ICViewProvider/ICHelperPanel 传递模式参数

package.json

@@ -9,7 +9,8 @@
   },
   "icon": "media/icon.png",
   "categories": [
-    "Other"
+    "Chat",
+    "Programming Languages"
   ],
   "keywords": [
     "IC",

src/config/settings.ts

@@ -16,7 +16,7 @@ export interface IccoderConfig {
 
 /** 默认配置 */
 const DEFAULT_CONFIG: IccoderConfig = {
-  backendUrl: "http://localhost:8080",
+  backendUrl: "http://192.168.1.108:2233",
   timeout: 60000,
   userId: "default-user",
 };

src/panels/ICHelperPanel.ts

@@ -9,6 +9,9 @@ import {
   handleReplaceInFile,
   handleUserAnswer,
   abortCurrentDialog,
+  handlePlanAction,
+  setPendingPlanExecution,
+  getCurrentTaskId,
 } from "../utils/messageHandler";
 import { VCDViewerPanel } from "./VCDViewerPanel";
 import { ChatHistoryManager } from "../utils/chatHistoryManager";
@@ -23,21 +26,27 @@ export async function showICHelperPanel(
 ) {
   // 检查用户是否已登录
   try {
-    const session = await vscode.authentication.getSession("iccoder", [], { createIfNone: false });
+    const session = await vscode.authentication.getSession("iccoder", [], {
+      createIfNone: false,
+    });
     if (!session) {
-      vscode.window.showWarningMessage("请先登录后再使用 IC Coder", "立即登录").then((selection) => {
+      vscode.window
+        .showWarningMessage("请先登录后再使用 IC Coder", "立即登录")
+        .then((selection) => {
+          if (selection === "立即登录") {
+            vscode.commands.executeCommand("ic-coder.login");
+          }
+        });
+      return;
+    }
+  } catch (error) {
+    vscode.window
+      .showWarningMessage("请先登录后再使用 IC Coder", "立即登录")
+      .then((selection) => {
         if (selection === "立即登录") {
           vscode.commands.executeCommand("ic-coder.login");
         }
       });
-      return;
-    }
-  } catch (error) {
-    vscode.window.showWarningMessage("请先登录后再使用 IC Coder", "立即登录").then((selection) => {
-      if (selection === "立即登录") {
-        vscode.commands.executeCommand("ic-coder.login");
-      }
-    });
     return;
   }
 
@@ -107,7 +116,12 @@ export async function showICHelperPanel(
           // 切换到当前面板的任务上下文
           historyManager.switchToPanelTask(panelId);
 
-          handleUserMessage(panel, message.text, context.extensionPath);
+          handleUserMessage(
+            panel,
+            message.text,
+            context.extensionPath,
+            message.mode
+          );
           break;
         case "readFile":
           handleReadFile(panel, message.filePath);
@@ -181,6 +195,56 @@ export async function showICHelperPanel(
         case "abortDialog":
           abortCurrentDialog();
           break;
+        // 处理计划操作（只做模式切换，响应已通过 submitAnswer 发送）
+        case "planAction":
+          if (message.action === "confirm") {
+            // 确认执行：切换到 Agent 模式
+            panel.webview.postMessage({
+              command: "switchMode",
+              mode: "agent",
+            });
+            // 获取当前会话的 taskId，用于复用知识图谱数据
+            const taskId = getCurrentTaskId();
+            if (taskId) {
+              // 设置待执行的计划，对话结束后自动执行（复用 taskId）
+              setPendingPlanExecution(
+                panel,
+                message.planTitle || "计划",
+                context.extensionPath,
+                taskId
+              );
+            } else {
+              console.warn(
+                "[ICHelperPanel] 无法获取当前 taskId，知识图谱数据可能丢失"
+              );
+            }
+          }
+          break;
+        // 新增：检查工作区状态
+        case "checkWorkspace":
+          const hasWorkspace = !!(
+            vscode.workspace.workspaceFolders &&
+            vscode.workspace.workspaceFolders.length > 0
+          );
+          if (!hasWorkspace) {
+            // 弹窗提示用户需要打开工作区
+            vscode.window
+              .showWarningMessage(
+                "请先打开一个文件夹作为工作区，这样我就能更好地为您服务了 😊",
+                "打开文件夹"
+              )
+              .then((selection) => {
+                if (selection === "打开文件夹") {
+                  vscode.commands.executeCommand("vscode.openFolder");
+                }
+              });
+          }
+          // 返回工作区状态给前端
+          panel.webview.postMessage({
+            command: "workspaceStatus",
+            hasWorkspace: hasWorkspace,
+          });
+          break;
       }
     },
     undefined,

src/services/apiClient.ts

@@ -6,7 +6,7 @@ import * as https from 'https';
 import * as http from 'http';
 import { URL } from 'url';
 import { getApiUrl, getConfig } from '../config/settings';
-import type { ToolCallResult, AnswerRequest, ToolResultResponse, AnswerResponse } from '../types/api';
+import type { ToolCallResult, AnswerRequest, ToolResultResponse, AnswerResponse, ToolConfirmResponse } from '../types/api';
 
 /**
  * HTTP 请求选项
@@ -103,6 +103,18 @@ export async function submitAnswer(answer: AnswerRequest): Promise<AnswerRespons
   });
 }
 
+/**
+ * 提交工具确认响应（Ask 模式）
+ * POST /api/tool/confirm
+ */
+export async function submitToolConfirm(response: ToolConfirmResponse): Promise<ToolResultResponse> {
+  console.log(`[API] 提交工具确认: confirmId=${response.confirmId}, approved=${response.approved}`);
+  return request<ToolResultResponse>('/api/tool/confirm', {
+    method: 'POST',
+    body: response
+  });
+}
+
 /**
  * 健康检查
  * GET /api/dialog/health

src/services/dialogService.ts

@@ -7,13 +7,14 @@ import { startStreamDialog, generateTaskId, SSEController, SSECallbacks } from '
 import { executeToolCall, createToolExecutorContext, ToolExecutorContext } from './toolExecutor';
 import { userInteractionManager } from './userInteraction';
 import { getConfig } from '../config/settings';
-import type { DialogRequest, ToolCallRequest, AskUserEvent } from '../types/api';
+import type { DialogRequest, ToolCallRequest, AskUserEvent, RunMode, ToolConfirmEvent, PlanConfirmEvent } from '../types/api';
+import { submitToolConfirm, submitAnswer } from './apiClient';
 
 /**
  * 消息段落类型
  */
 export interface MessageSegment {
-  type: 'text' | 'tool' | 'question' | 'agent';
+  type: 'text' | 'tool' | 'question' | 'agent' | 'plan';
   content?: string;
   toolName?: string;
   toolStatus?: 'running' | 'success' | 'error';
@@ -26,6 +27,10 @@ export interface MessageSegment {
   agentName?: string;
   agentStatus?: 'running' | 'completed' | 'error';
   agentSteps?: AgentStep[];
+  // 计划相关字段
+  planTitle?: string;
+  planSteps?: string[];
+  planSummary?: string;
 }
 
 /**
@@ -51,6 +56,10 @@ export interface DialogCallbacks {
   onToolComplete?: (toolName: string, result: string) => void;
   /** 工具执行错误 */
   onToolError?: (toolName: string, error: string) => void;
+  /** 工具确认请求（Ask 模式） */
+  onToolConfirm?: (confirmId: number, toolName: string, toolInput: Record<string, unknown>) => void;
+  /** 计划确认请求（Plan 模式） */
+  onPlanConfirm?: (confirmId: number, title: string, steps: string[], summary: string) => void;
   /** 显示问题（ask_user） */
   onQuestion?: (askId: string, question: string, options: string[]) => void;
   /** 实时更新段落（流式过程中） */
@@ -75,8 +84,9 @@ export class DialogSession {
   private segments: MessageSegment[] = [];
   private currentTextSegment: MessageSegment | null = null;
 
-  constructor(extensionPath: string) {
+  constructor(extensionPath: string, existingTaskId?: string) {
-    this.taskId = generateTaskId();
+    // 支持复用现有 taskId（用于 Plan 模式确认后继续执行）
+    this.taskId = existingTaskId || generateTaskId();
     this.toolContext = createToolExecutorContext(extensionPath);
   }
 
@@ -142,12 +152,52 @@ export class DialogSession {
     return this.isActive;
   }
 
+  /**
+   * 获取工具操作描述（用于确认对话框）
+   */
+  private getToolDescription(toolName: string, toolInput: Record<string, unknown>): string {
+    const lines: string[] = [];
+
+    switch (toolName) {
+      case 'file_write':
+        lines.push(`文件路径: ${toolInput.path || '未知'}`);
+        if (toolInput.content) {
+          const content = String(toolInput.content);
+          lines.push(`内容长度: ${content.length} 字符`);
+          lines.push(`内容预览: ${content.substring(0, 100)}${content.length > 100 ? '...' : ''}`);
+        }
+        break;
+      case 'file_delete':
+        lines.push(`删除文件: ${toolInput.path || '未知'}`);
+        break;
+      case 'syntax_check':
+        lines.push('执行语法检查');
+        if (toolInput.code) {
+          const code = String(toolInput.code);
+          lines.push(`代码长度: ${code.length} 字符`);
+        }
+        break;
+      case 'simulation':
+        lines.push(`RTL文件: ${toolInput.rtlPath || '未知'}`);
+        lines.push(`TB文件: ${toolInput.tbPath || '未知'}`);
+        if (toolInput.duration) {
+          lines.push(`仿真时长: ${toolInput.duration}`);
+        }
+        break;
+      default:
+        lines.push(`参数: ${JSON.stringify(toolInput, null, 2)}`);
+    }
+
+    return lines.join('\n');
+  }
+
   /**
    * 发送消息并开始流式对话
    */
   async sendMessage(
     message: string,
-    callbacks: DialogCallbacks
+    callbacks: DialogCallbacks,
+    mode?: RunMode
   ): Promise<void> {
     if (this.isActive) {
       callbacks.onError?.('当前有对话正在进行中');
@@ -164,7 +214,7 @@ export class DialogSession {
       taskId: this.taskId,
       message,
       userId: config.userId,
-      toolMode: 'AGENT'
+      mode: mode || 'agent'
     };
 
     const sseCallbacks: SSECallbacks = {
@@ -248,6 +298,72 @@ export class DialogSession {
         callbacks.onSegmentUpdate?.(this.segments);
       },
 
+      onToolConfirm: async (data: ToolConfirmEvent) => {
+        console.log('[DialogSession] onToolConfirm:', data.toolName, data.confirmId);
+
+        // 调用回调通知 UI 显示确认对话框
+        callbacks.onToolConfirm?.(data.confirmId, data.toolName, data.toolInput);
+
+        // 使用 VSCode 快速选择框显示确认对话框
+        const toolDescription = this.getToolDescription(data.toolName, data.toolInput);
+        const result = await vscode.window.showWarningMessage(
+          `确认执行操作: ${data.toolName}`,
+          { modal: true, detail: toolDescription },
+          '确认执行',
+          '取消'
+        );
+
+        const approved = result === '确认执行';
+        console.log('[DialogSession] 用户确认结果:', approved);
+
+        // 发送确认响应到后端
+        try {
+          await submitToolConfirm({
+            confirmId: data.confirmId,
+            taskId: this.taskId,
+            approved
+          });
+        } catch (error) {
+          console.error('[DialogSession] 发送确认响应失败:', error);
+        }
+      },
+
+      onPlanConfirm: async (data: PlanConfirmEvent) => {
+        console.log('[DialogSession] onPlanConfirm:', data.title);
+
+        // 结束当前文本段落
+        this.finalizeTextSegment();
+
+        const askId = `ask_${data.confirmId}`;
+
+        // 添加计划段落到聊天界面（包含 askId 用于响应）
+        this.segments.push({
+          type: 'plan',
+          askId: askId,
+          planTitle: data.title,
+          planSteps: data.steps,
+          planSummary: data.summary
+        });
+
+        // 实时发送段落更新
+        callbacks.onSegmentUpdate?.(this.segments);
+
+        // 注册问题到前端（类似 askUser），以便用户回答时能找到
+        const planEvent = {
+          askId: askId,
+          question: `请确认执行计划：${data.title}`,
+          options: ['确认执行', '修改计划', '取消']
+        };
+        try {
+          await userInteractionManager.handleAskUser(planEvent as AskUserEvent, this.taskId);
+        } catch (error) {
+          console.error('[DialogSession] 处理计划确认失败:', error);
+        }
+
+        // 调用回调通知 UI
+        callbacks.onPlanConfirm?.(data.confirmId, data.title, data.steps, data.summary);
+      },
+
       onAskUser: async (data: AskUserEvent) => {
         this.finalizeTextSegment();
         this.segments.push({
@@ -402,13 +518,15 @@ class DialogManager {
 
   /**
    * 创建新会话
+   * @param extensionPath 扩展路径
+   * @param existingTaskId 可选，复用现有的 taskId（用于 Plan 模式确认后继续执行）
    */
-  createSession(extensionPath: string): DialogSession {
+  createSession(extensionPath: string, existingTaskId?: string): DialogSession {
     // 如果有活跃会话，先中止
     if (this.currentSession?.active) {
       this.currentSession.abort();
     }
-    this.currentSession = new DialogSession(extensionPath);
+    this.currentSession = new DialogSession(extensionPath, existingTaskId);
     return this.currentSession;
   }
 

src/services/sseHandler.ts

@@ -13,6 +13,8 @@ import type {
   SSEEventType,
   TextDeltaEvent,
   ToolCallRequest,
+  ToolConfirmEvent,
+  PlanConfirmEvent,
   AskUserEvent,
   CompleteEvent,
   ErrorEvent,
@@ -36,6 +38,10 @@ export interface SSECallbacks {
   onTextDelta?: (data: TextDeltaEvent) => void;
   /** 收到工具调用请求 */
   onToolCall?: (data: ToolCallRequest) => void;
+  /** 收到工具确认请求（Ask 模式） */
+  onToolConfirm?: (data: ToolConfirmEvent) => void;
+  /** 收到计划确认请求（Plan 模式） */
+  onPlanConfirm?: (data: PlanConfirmEvent) => void;
   /** 工具开始执行 */
   onToolStart?: (data: ToolStartEvent) => void;
   /** 工具执行完成 */
@@ -136,7 +142,7 @@ export async function startStreamDialog(
 
   const body = JSON.stringify(request);
 
-  console.log(`[SSE] 开始流式对话: taskId=${request.taskId}, url=${urlString}`);
+  console.log(`[SSE] 开始流式对话: taskId=${request.taskId}, mode=${request.mode}, url=${urlString}`);
 
   return new Promise((resolve, reject) => {
     const options: http.RequestOptions = {
@@ -268,6 +274,12 @@ function dispatchEvent(
     case 'tool_call':
       callbacks.onToolCall?.(data as ToolCallRequest);
       break;
+    case 'tool_confirm':
+      callbacks.onToolConfirm?.(data as ToolConfirmEvent);
+      break;
+    case 'plan_confirm':
+      callbacks.onPlanConfirm?.(data as PlanConfirmEvent);
+      break;
     case 'tool_start':
       callbacks.onToolStart?.(data as ToolStartEvent);
       break;

src/types/api.ts

@@ -5,6 +5,15 @@
 
 // ============== 对话请求/响应 ==============
 
+/**
+ * 运行模式类型
+ * - plan: 只读模式，只能查询分析
+ * - ask: 逐个确认，每个写操作需确认
+ * - agent: 智能体自主（默认）
+ * - auto: 完全自动
+ */
+export type RunMode = 'plan' | 'ask' | 'agent' | 'auto';
+
 /**
  * 对话请求
  * POST /api/dialog/stream
@@ -16,8 +25,8 @@ export interface DialogRequest {
   message: string;
   /** 用户ID */
   userId: string;
-  /** 工具模式 */
+  /** 运行模式 */
-  toolMode: 'ASK' | 'AGENT';
+  mode: RunMode;
 }
 
 // ============== SSE 事件类型 ==============
@@ -26,6 +35,8 @@ export interface DialogRequest {
 export type SSEEventType =
   | 'text_delta'      // 文本增量
   | 'tool_call'       // 客户端工具调用请求
+  | 'tool_confirm'    // 工具确认请求（Ask 模式）
+  | 'plan_confirm'    // 计划确认请求（Plan 模式）
   | 'tool_start'      // 工具开始执行
   | 'tool_complete'   // 工具执行完成
   | 'tool_error'      // 工具执行错误
@@ -63,6 +74,32 @@ export interface ToolErrorEvent {
   error: string;
 }
 
+/** tool_confirm 事件数据（Ask 模式确认请求） */
+export interface ToolConfirmEvent {
+  /** 确认ID，用于匹配响应 */
+  confirmId: number;
+  /** 工具名称 */
+  toolName: string;
+  /** 工具输入参数 */
+  toolInput: Record<string, unknown>;
+  /** 时间戳 */
+  timestamp: number;
+}
+
+/** plan_confirm 事件数据（Plan 模式计划确认） */
+export interface PlanConfirmEvent {
+  /** 确认ID */
+  confirmId: number;
+  /** 计划标题 */
+  title: string;
+  /** 执行步骤列表 */
+  steps: string[];
+  /** 计划摘要 */
+  summary: string;
+  /** 时间戳 */
+  timestamp: number;
+}
+
 /** ask_user 事件数据 */
 export interface AskUserEvent {
   askId: string;
@@ -229,6 +266,21 @@ export interface ToolResultResponse {
   error?: string;
 }
 
+// ============== 工具确认响应 ==============
+
+/**
+ * 工具确认响应请求
+ * POST /api/tool/confirm
+ */
+export interface ToolConfirmResponse {
+  /** 确认ID，与 ToolConfirmEvent.confirmId 对应 */
+  confirmId: number;
+  /** 任务ID */
+  taskId: string;
+  /** 是否批准执行 */
+  approved: boolean;
+}
+
 // ============== 辅助类型 ==============
 
 /** 后端工具名称 */

src/utils/createFiles.ts

@@ -16,7 +16,9 @@ export async function createFile(
       if (workspaceFolders && workspaceFolders.length > 0) {
         absolutePath = path.join(workspaceFolders[0].uri.fsPath, filePath);
       } else {
-        throw new Error("没有打开的工作区，无法创建相对路径的文件");
+        throw new Error(
+          "请先打开一个文件夹作为工作区，这样我就能为您创建文件了"
+        );
       }
     }
 
@@ -28,7 +30,7 @@ export async function createFile(
       throw new Error(`文件已存在: ${absolutePath}`);
     } catch (error: any) {
       // 如果文件不存在，继续创建
-      if (error.code !== 'FileNotFound') {
+      if (error.code !== "FileNotFound") {
         throw error;
       }
     }
@@ -65,7 +67,9 @@ export async function createOrOverwriteFile(
       if (workspaceFolders && workspaceFolders.length > 0) {
         absolutePath = path.join(workspaceFolders[0].uri.fsPath, filePath);
       } else {
-        throw new Error("没有打开的工作区，无法创建相对路径的文件");
+        throw new Error(
+          "请先打开一个文件夹作为工作区，这样我就能为您创建文件了"
+        );
       }
     }
 
@@ -99,7 +103,9 @@ export async function createDirectory(dirPath: string): Promise<void> {
       if (workspaceFolders && workspaceFolders.length > 0) {
         absolutePath = path.join(workspaceFolders[0].uri.fsPath, dirPath);
       } else {
-        throw new Error("没有打开的工作区，无法创建相对路径的目录");
+        throw new Error(
+          "请先打开一个文件夹作为工作区，这样我就能为您创建目录了"
+        );
       }
     }
 
@@ -115,7 +121,7 @@ export async function createDirectory(dirPath: string): Promise<void> {
       }
     } catch (error: any) {
       // 如果目录不存在，继续创建
-      if (error.code !== 'FileNotFound') {
+      if (error.code !== "FileNotFound") {
         throw error;
       }
     }
@@ -161,7 +167,9 @@ export async function deleteFile(filePath: string): Promise<void> {
       if (workspaceFolders && workspaceFolders.length > 0) {
         absolutePath = path.join(workspaceFolders[0].uri.fsPath, filePath);
       } else {
-        throw new Error("没有打开的工作区，无法删除相对路径的文件");
+        throw new Error(
+          "请先打开一个文件夹作为工作区，这样我就能为您删除文件了"
+        );
       }
     }
 
@@ -197,7 +205,9 @@ export async function updateFile(
       if (workspaceFolders && workspaceFolders.length > 0) {
         absolutePath = path.join(workspaceFolders[0].uri.fsPath, filePath);
       } else {
-        throw new Error("没有打开的工作区，无法修改相对路径的文件");
+        throw new Error(
+          "请先打开一个文件夹作为工作区，这样我就能为您修改文件了"
+        );
       }
     }
 
@@ -236,7 +246,9 @@ export async function appendToFile(
       if (workspaceFolders && workspaceFolders.length > 0) {
         absolutePath = path.join(workspaceFolders[0].uri.fsPath, filePath);
       } else {
-        throw new Error("没有打开的工作区，无法追加相对路径的文件");
+        throw new Error(
+          "请先打开一个文件夹作为工作区，这样我就能为您追加文件内容了"
+        );
       }
     }
 
@@ -274,7 +286,9 @@ export async function replaceFile(
       if (workspaceFolders && workspaceFolders.length > 0) {
         absolutePath = path.join(workspaceFolders[0].uri.fsPath, filePath);
       } else {
-        throw new Error("没有打开的工作区，无法修改相对路径的文件");
+        throw new Error(
+          "请先打开一个文件夹作为工作区，这样我就能为您修改文件了"
+        );
       }
     }
 
@@ -291,14 +305,17 @@ export async function replaceFile(
 
     // 转义特殊字符，将字符串作为字面量处理
     const escapeRegExp = (str: string) => {
-      return str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+      return str.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
     };
 
     // 替换内容 - 如果是字符串，先转义特殊字符
     let newContent: string;
-    if (typeof searchValue === 'string') {
+    if (typeof searchValue === "string") {
       const escapedSearch = escapeRegExp(searchValue);
-      newContent = fileContent.replace(new RegExp(escapedSearch, "g"), replaceValue);
+      newContent = fileContent.replace(
+        new RegExp(escapedSearch, "g"),
+        replaceValue
+      );
     } else {
       newContent = fileContent.replace(searchValue, replaceValue);
     }
@@ -330,7 +347,9 @@ export async function insertAtLine(
       if (workspaceFolders && workspaceFolders.length > 0) {
         absolutePath = path.join(workspaceFolders[0].uri.fsPath, filePath);
       } else {
-        throw new Error("没有打开的工作区，无法修改相对路径的文件");
+        throw new Error(
+          "请先打开一个文件夹作为工作区，这样我就能为您修改文件了"
+        );
       }
     }
 
@@ -382,7 +401,9 @@ export async function renameFile(
         absoluteNewPath = path.join(workspaceRoot, newPath);
       }
     } else {
-      throw new Error("没有打开的工作区,无法重命名相对路径的文件");
+      throw new Error(
+        "请先打开一个文件夹作为工作区，这样我就能为您重命名文件了"
+      );
     }
 
     const oldUri = vscode.Uri.file(absoluteOldPath);
@@ -401,10 +422,13 @@ export async function renameFile(
       throw new Error(`目标文件已存在: ${absoluteNewPath}`);
     } catch (error: any) {
       // 如果文件不存在，继续重命名
-      if (error.code !== 'FileNotFound' && !error.message.includes('目标文件已存在')) {
+      if (
+        error.code !== "FileNotFound" &&
+        !error.message.includes("目标文件已存在")
+      ) {
         throw error;
       }
-      if (error.message.includes('目标文件已存在')) {
+      if (error.message.includes("目标文件已存在")) {
         throw error;
       }
     }

src/utils/messageHandler.ts

@@ -19,19 +19,43 @@ import { dialogManager, DialogSession } from "../services/dialogService";
 import { userInteractionManager } from "../services/userInteraction";
 import { healthCheck } from "../services/apiClient";
 
+import type { RunMode } from '../types/api';
+
 /** 是否使用后端服务（可通过配置控制） */
 let useBackendService = true;
 
 /** 当前对话会话 */
 let currentSession: DialogSession | null = null;
 
+/** 待执行的计划（Plan 模式确认后自动执行） */
+let pendingPlanExecution: {
+  panel: vscode.WebviewPanel;
+  planTitle: string;
+  extensionPath: string;
+  taskId: string;  // 保存 taskId 以便复用
+} | null = null;
+
+/**
+ * 设置待执行的计划（由 ICHelperPanel 调用）
+ */
+export function setPendingPlanExecution(
+  panel: vscode.WebviewPanel,
+  planTitle: string,
+  extensionPath: string,
+  taskId: string
+): void {
+  pendingPlanExecution = { panel, planTitle, extensionPath, taskId };
+  console.log('[MessageHandler] 设置待执行计划:', planTitle, 'taskId:', taskId);
+}
+
 /**
  * 处理用户消息
  */
 export async function handleUserMessage(
   panel: vscode.WebviewPanel,
   text: string,
-  extensionPath?: string
+  extensionPath?: string,
+  mode?: RunMode
 ) {
   console.log("收到用户消息:", text);
 
@@ -63,7 +87,7 @@ export async function handleUserMessage(
   // 尝试使用后端服务
   if (useBackendService && extensionPath) {
     try {
-      await handleUserMessageWithBackend(panel, text, extensionPath);
+      await handleUserMessageWithBackend(panel, text, extensionPath, mode);
       return;
     } catch (error) {
       console.error("后端服务不可用，回退到本地模式:", error);
@@ -97,11 +121,16 @@ export async function handleUserMessage(
 async function handleUserMessageWithBackend(
   panel: vscode.WebviewPanel,
   text: string,
-  extensionPath: string
+  extensionPath: string,
+  mode?: RunMode,
+  reuseTaskId?: string  // 可选，复用现有 taskId（用于 Plan 模式确认后继续执行）
 ): Promise<void> {
   // 创建或复用会话
   if (!currentSession || !currentSession.active) {
-    currentSession = dialogManager.createSession(extensionPath);
+    currentSession = dialogManager.createSession(extensionPath, reuseTaskId);
+    if (reuseTaskId) {
+      console.log('[MessageHandler] 复用 taskId 创建会话:', reuseTaskId);
+    }
   }
 
   const historyManager = ChatHistoryManager.getInstance();
@@ -184,6 +213,29 @@ async function handleUserMessageWithBackend(
           console.warn("保存AI响应历史失败:", error);
         }
 
+        // 检查是否有待执行的计划（Plan 模式确认后自动执行）
+        if (pendingPlanExecution) {
+          const { panel: execPanel, planTitle, extensionPath: execPath, taskId: reuseTaskId } = pendingPlanExecution;
+          pendingPlanExecution = null;
+          console.log('[MessageHandler] 自动执行计划:', planTitle, '复用 taskId:', reuseTaskId);
+
+          // 延迟一小段时间确保当前对话完全结束
+          setTimeout(async () => {
+            try {
+              // 复用 taskId 创建新会话，确保知识图谱数据不丢失
+              await handleUserMessageWithBackend(
+                execPanel,
+                `请按照刚才的计划执行：${planTitle}`,
+                execPath,
+                'agent',
+                reuseTaskId  // 复用 Plan 模式的 taskId
+              );
+            } catch (err) {
+              console.error('[MessageHandler] 自动执行计划失败:', err);
+            }
+          }, 500);
+        }
+
         resolve();
       },
 
@@ -201,7 +253,7 @@ async function handleUserMessageWithBackend(
       onNotification: (message) => {
         vscode.window.showInformationMessage(message);
       },
-    });
+    }, mode);
   });
 }
 
@@ -226,6 +278,75 @@ export function abortCurrentDialog(): void {
   currentSession = null;
 }
 
+/**
+ * 获取当前会话的 taskId
+ */
+export function getCurrentTaskId(): string | null {
+  return currentSession?.getTaskId() || null;
+}
+
+/**
+ * 处理计划操作（Plan 模式）
+ * @param panel WebView 面板
+ * @param action 操作类型：confirm/modify/cancel
+ * @param planTitle 计划标题
+ * @param extensionPath 扩展路径
+ */
+export async function handlePlanAction(
+  panel: vscode.WebviewPanel,
+  action: string,
+  planTitle: string,
+  extensionPath: string
+): Promise<void> {
+  console.log('[handlePlanAction] action:', action, 'planTitle:', planTitle);
+
+  switch (action) {
+    case 'confirm':
+      // 确认执行：切换到 Agent 模式并发送执行消息
+      panel.webview.postMessage({
+        command: 'switchMode',
+        mode: 'agent'
+      });
+      // 发送执行消息
+      await handleUserMessage(
+        panel,
+        `请按照刚才的计划执行：${planTitle}`,
+        extensionPath,
+        'agent'
+      );
+      break;
+
+    case 'modify':
+      // 修改计划：提示用户输入修改建议
+      const modification = await vscode.window.showInputBox({
+        prompt: '请输入您对计划的修改建议',
+        placeHolder: '例如：第2步需要先检查文件是否存在...',
+        ignoreFocusOut: true
+      });
+      if (modification) {
+        await handleUserMessage(
+          panel,
+          `请根据以下建议修改计划：${modification}`,
+          extensionPath,
+          'plan'
+        );
+      }
+      break;
+
+    case 'cancel':
+      // 取消计划：通知用户
+      panel.webview.postMessage({
+        command: 'addMessage',
+        text: '计划已取消。',
+        sender: 'bot'
+      });
+      break;
+
+    default:
+      console.warn('[handlePlanAction] 未知操作:', action);
+  }
+}
+
 /**
  * 解析文件操作命令
  */

src/views/ICViewProvider.ts

@@ -47,7 +47,7 @@ export function showICHelperPanel(context: vscode.ExtensionContext) {
     (message) => {
       switch (message.command) {
         case "sendMessage":
-          handleUserMessage(panel, message.text, context.extensionPath);
+          handleUserMessage(panel, message.text, context.extensionPath, message.mode);
           break;
         case "readFile":
           handleReadFile(panel, message.filePath);

src/views/agentModeSelector.ts

@@ -1,6 +1,12 @@
 /**
  * 模式选择器组件
- * 提供 Agent/Ask/Auto 三种模式的选择功能
+ * 提供 Plan/Ask/Agent/Auto 四种模式的选择功能
+ *
+ * 模式说明：
+ * - Plan: 只读模式，只能查询分析，不能写文件
+ * - Ask: 逐个确认，每个写操作需用户确认
+ * - Agent: 智能体自主，自动执行大部分操作
+ * - Auto: 完全自动，所有操作自动执行
  */
 
 /**
@@ -17,12 +23,25 @@ export function getModeSelectorContent(): string {
           </svg>
         </div>
         <div class="mode-dropdown" id="modeDropdown">
-          <div class="mode-option" data-value="agent" onclick="selectMode('agent', 'Agent')">Agent</div>
+          <div class="mode-option" data-value="plan" onclick="selectMode('plan', 'Plan')">
-          <div class="mode-option" data-value="ask" onclick="selectMode('ask', 'Ask')">Ask</div>
+            <span class="mode-option-label">Plan</span>
-          <div class="mode-option" data-value="auto" onclick="selectMode('auto', 'Auto')">Auto</div>
+            <span class="mode-option-desc">只读模式</span>
+          </div>
+          <div class="mode-option" data-value="ask" onclick="selectMode('ask', 'Ask')">
+            <span class="mode-option-label">Ask</span>
+            <span class="mode-option-desc">逐个确认</span>
+          </div>
+          <div class="mode-option selected" data-value="agent" onclick="selectMode('agent', 'Agent')">
+            <span class="mode-option-label">Agent</span>
+            <span class="mode-option-desc">智能体自主</span>
+          </div>
+          <div class="mode-option" data-value="auto" onclick="selectMode('auto', 'Auto')">
+            <span class="mode-option-label">Auto</span>
+            <span class="mode-option-desc">完全自动</span>
+          </div>
         </div>
       </div>
-      <span class="tooltiptext">切换模式</span>
+      <span class="tooltiptext" id="modeTooltip">智能体自主模式</span>
     </div>
   `;
 }
@@ -69,7 +88,7 @@ export function getModeSelectorStyles(): string {
       position: absolute;
       bottom: calc(100% + 2px);
       left: 0;
-      min-width: 100%;
+      min-width: 140px;
       background: var(--vscode-dropdown-background);
       border: 1px solid var(--vscode-dropdown-border);
       border-radius: 4px;
@@ -83,7 +102,10 @@ export function getModeSelectorStyles(): string {
     }
     /* 模式选择器的选项样式 */
     .mode-option {
-      padding: 6px 12px;
+      display: flex;
+      justify-content: space-between;
+      align-items: center;
+      padding: 8px 12px;
       font-size: 12px;
       cursor: pointer;
       transition: background 0.2s ease;
@@ -93,8 +115,15 @@ export function getModeSelectorStyles(): string {
       background: rgba(128, 128, 128, 0.3);
     }
     .mode-option.selected {
-      background: rgba(128, 128, 128, 0.5);
+      background: rgba(64, 158, 255, 0.2);
-      color: var(--vscode-foreground);
+    }
+    .mode-option-label {
+      font-weight: 500;
+    }
+    .mode-option-desc {
+      font-size: 10px;
+      color: var(--vscode-descriptionForeground);
+      margin-left: 12px;
     }
   `;
 }
@@ -124,10 +153,23 @@ export function getModeSelectorScript(): string {
     function selectMode(value, label) {
       currentMode = value;
       const modeValue = document.getElementById('modeValue');
+      const modeTooltip = document.getElementById('modeTooltip');
+
       if (modeValue) {
         modeValue.textContent = label;
       }
 
+      // 更新 tooltip
+      if (modeTooltip) {
+        const tooltipMap = {
+          'plan': '只读模式 - 只能查询分析',
+          'ask': '逐个确认 - 每个写操作需确认',
+          'agent': '智能体自主模式',
+          'auto': '完全自动 - 所有操作自动执行'
+        };
+        modeTooltip.textContent = tooltipMap[value] || '切换模式';
+      }
+
       // 更新选中状态
       const options = document.querySelectorAll('.mode-option');
       options.forEach(option => {

src/views/inputArea.ts

@@ -261,7 +261,7 @@ export function getInputAreaStyles(): string {
  */
 export function getInputAreaScript(): string {
   return `
-    ${getModeSelectorScript()}
+    // 注意：getModeSelectorScript() 已在 webviewContent.ts 开头加载，这里不再重复加载
     ${getModelSelectorScript()}
     ${getContextButtonScript()}
     ${getContextCompressScript()}
@@ -271,6 +271,10 @@ export function getInputAreaScript(): string {
     // 对话状态管理
     let isConversationActive = false;
 
+    // 工作区检测状态
+    let hasCheckedWorkspace = false; // 是否已经检测过工作区
+    let hasWorkspace = true; // 工作区状态
+
     // 自动调整 textarea 高度
     function autoResizeTextarea() {
       if (messageInput) {
@@ -283,11 +287,16 @@ export function getInputAreaScript(): string {
     if (messageInput) {
       messageInput.addEventListener('input', autoResizeTextarea);
 
+      // 监听点击事件，检测工作区状态
+      messageInput.addEventListener('focus', () => {
+        if (!hasCheckedWorkspace) {
+          hasCheckedWorkspace = true;
+          vscode.postMessage({ command: 'checkWorkspace' });
+        }
+      });
+
       // 初始化时调整一次高度
       autoResizeTextarea();
-
-      // 聚焦到输入框
-      messageInput.focus();
     }
 
     // 切换发送按钮状态
@@ -326,15 +335,24 @@ export function getInputAreaScript(): string {
       const text = messageInput.value.trim();
       if (!text) return;
 
+      // 检查工作区状态
+      if (!hasWorkspace) {
+        // 如果没有工作区，阻止发送并清空输入框
+        messageInput.value = '';
+        autoResizeTextarea();
+        return;
+      }
+
       const mode = getCurrentMode(); // 从模式选择器组件获取当前模式
       const model = getCurrentModel(); // 从模型选择器组件获取当前模型
+      const planMode = document.getElementById('planToggle')?.checked || false;
 
       addMessage(text, 'user');
 
       // 切换按钮为暂停状态
       setSendButtonState(true);
 
-      vscode.postMessage({ command: 'sendMessage', text: text, mode: mode, model: model });
+      vscode.postMessage({ command: 'sendMessage', text: text, mode: mode, model: model, planMode: planMode });
       messageInput.value = '';
       autoResizeTextarea(); // 重置输入框高度
       messageInput.focus();

src/views/messageArea.ts

@@ -611,6 +611,88 @@ export function getMessageAreaStyles(): string {
         text-align: center;
       }
 
+      /* 计划卡片样式 */
+      .segment-plan {
+        margin: 8px 0;
+      }
+      .plan-card {
+        border: 1px solid var(--vscode-input-border);
+        border-radius: 8px;
+        overflow: hidden;
+        background: var(--vscode-editor-background);
+      }
+      .plan-header {
+        display: flex;
+        align-items: center;
+        gap: 8px;
+        padding: 10px 12px;
+        background: var(--vscode-sideBar-background);
+        border-bottom: 1px solid var(--vscode-input-border);
+      }
+      .plan-icon {
+        font-size: 18px;
+      }
+      .plan-title {
+        font-weight: 600;
+        font-size: 14px;
+      }
+      .plan-body {
+        padding: 12px;
+      }
+      .plan-summary {
+        color: var(--vscode-descriptionForeground);
+        margin-bottom: 10px;
+        font-size: 13px;
+      }
+      .plan-steps {
+        font-size: 13px;
+      }
+      .plan-step {
+        padding: 6px 8px;
+        margin-bottom: 4px;
+        background: var(--vscode-list-hoverBackground);
+        border-radius: 4px;
+      }
+      .plan-step:last-child {
+        margin-bottom: 0;
+      }
+      .step-num {
+        color: var(--vscode-textLink-foreground);
+        font-weight: 500;
+        margin-right: 4px;
+      }
+      .plan-actions {
+        display: flex;
+        gap: 8px;
+        padding: 12px;
+        border-top: 1px solid var(--vscode-input-border);
+        background: var(--vscode-sideBar-background);
+      }
+      .plan-btn {
+        padding: 6px 16px;
+        border-radius: 4px;
+        border: none;
+        cursor: pointer;
+        font-size: 12px;
+        font-weight: 500;
+      }
+      .plan-btn-confirm {
+        background: var(--vscode-button-background);
+        color: var(--vscode-button-foreground);
+      }
+      .plan-btn-confirm:hover {
+        background: var(--vscode-button-hoverBackground);
+      }
+      .plan-btn-modify {
+        background: var(--vscode-input-background);
+        color: var(--vscode-foreground);
+        border: 1px solid var(--vscode-input-border);
+      }
+      .plan-btn-cancel {
+        background: transparent;
+        color: var(--vscode-descriptionForeground);
+      }
+
       ${getWaveformPreviewContent()}
     `;
 }
@@ -1034,6 +1116,93 @@ export function getMessageAreaScript(): string {
                 container.scrollTop = container.scrollHeight;
               }
             }, 0);
+          } else if (segment.type === 'plan') {
+            // 计划卡片渲染（类似 askUser）
+            segmentDiv.className += ' segment-plan';
+
+            // 检查是否已回答
+            const isAnswered = answeredQuestions.has(segment.askId);
+            const selectedAnswer = answeredQuestions.get(segment.askId);
+
+            if (isAnswered) {
+              segmentDiv.classList.add('answered');
+            }
+
+            const stepsHtml = (segment.planSteps || []).map((step, i) =>
+              \`<div class="plan-step"><span class="step-num">\${i + 1}.</span> \${step}</div>\`
+            ).join('');
+
+            // 选项按钮
+            const options = ['确认执行', '修改计划', '取消'];
+            const optionsHtml = options.map(opt => {
+              const isSelected = isAnswered && opt === selectedAnswer;
+              return \`<button class="question-option\${isSelected ? ' selected' : ''}" data-option="\${opt}">\${opt}</button>\`;
+            }).join('');
+
+            segmentDiv.innerHTML = \`
+              <div class="plan-card">
+                <div class="plan-header">
+                  <span class="plan-icon">📋</span>
+                  <span class="plan-title">\${segment.planTitle || '执行计划'}</span>
+                </div>
+                <div class="plan-body">
+                  <div class="plan-summary">\${segment.planSummary || ''}</div>
+                  <div class="plan-steps">\${stepsHtml}</div>
+                </div>
+                <div class="plan-actions">
+                  <div class="question-options" data-ask-id="\${segment.askId}">\${optionsHtml}</div>
+                  <div class="custom-input-container" style="display: \${isAnswered ? 'none' : 'flex'};">
+                    <input type="text" class="custom-input" placeholder="输入修改建议..." />
+                    <button class="custom-submit">提交</button>
+                  </div>
+                </div>
+              </div>
+            \`;
+
+            // 只在未回答时添加事件监听
+            if (!isAnswered) {
+              setTimeout(() => {
+                const optionButtons = segmentDiv.querySelectorAll('.question-option');
+                optionButtons.forEach(btn => {
+                  btn.addEventListener('click', function() {
+                    const option = this.getAttribute('data-option');
+                    // 发送答案到后端
+                    handleQuestionAnswerInSegment(segment.askId, option, segmentDiv);
+                    // 同时发送 planAction 用于模式切换
+                    const actionMap = {
+                      '确认执行': 'confirm',
+                      '修改计划': 'modify',
+                      '取消': 'cancel'
+                    };
+                    vscode.postMessage({
+                      command: 'planAction',
+                      action: actionMap[option] || option,
+                      planTitle: segment.planTitle
+                    });
+                  });
+                });
+
+                const submitBtn = segmentDiv.querySelector('.custom-submit');
+                const customInput = segmentDiv.querySelector('.custom-input');
+                if (submitBtn && customInput) {
+                  submitBtn.addEventListener('click', function() {
+                    const customValue = customInput.value.trim();
+                    if (customValue) {
+                      handleQuestionAnswerInSegment(segment.askId, customValue, segmentDiv);
+                    }
+                  });
+
+                  customInput.addEventListener('keypress', function(e) {
+                    if (e.key === 'Enter') {
+                      const customValue = customInput.value.trim();
+                      if (customValue) {
+                        handleQuestionAnswerInSegment(segment.askId, customValue, segmentDiv);
+                      }
+                    }
+                  });
+                }
+              }, 0);
+            }
           }
 
           currentSegmentedMessage.appendChild(segmentDiv);
@@ -1203,6 +1372,47 @@ export function getMessageAreaScript(): string {
                 </div>
               </div>
             \`;
+          } else if (segment.type === 'plan') {
+            // 计划卡片渲染
+            segmentDiv.className += ' segment-plan';
+            const stepsHtml = (segment.planSteps || []).map((step, i) =>
+              \`<div class="plan-step"><span class="step-num">\${i + 1}.</span> \${step}</div>\`
+            ).join('');
+
+            segmentDiv.innerHTML = \`
+              <div class="plan-card">
+                <div class="plan-header">
+                  <span class="plan-icon">📋</span>
+                  <span class="plan-title">\${segment.planTitle || '执行计划'}</span>
+                </div>
+                <div class="plan-body">
+                  <div class="plan-summary">\${segment.planSummary || ''}</div>
+                  <div class="plan-steps">\${stepsHtml}</div>
+                </div>
+                <div class="plan-actions">
+                  <button class="plan-btn plan-btn-confirm" data-action="confirm">确认执行</button>
+                  <button class="plan-btn plan-btn-modify" data-action="modify">修改计划</button>
+                  <button class="plan-btn plan-btn-cancel" data-action="cancel">取消</button>
+                </div>
+              </div>
+            \`;
+
+            // 绑定按钮事件
+            setTimeout(() => {
+              const planCard = segmentDiv.querySelector('.plan-card');
+              if (planCard) {
+                planCard.querySelectorAll('.plan-btn').forEach(btn => {
+	                  btn.addEventListener('click', (e) => {
+	                    const action = e.currentTarget?.dataset?.action;
+	                    vscode.postMessage({
+	                      command: 'planAction',
+	                      action: action,
+	                      planTitle: segment.planTitle
+                    });
+                  });
+                });
+              }
+            }, 0);
           }
 
           container.appendChild(segmentDiv);

src/views/planToggle.ts

@@ -1,19 +1,21 @@
 /**
  * Plan 开关组件
+ * 注意：功能已移至模式选择器，此组件仅保留样式（已禁用）
  */
 
 /**
  * 获取 Plan 开关的 HTML 内容
+ * 已禁用，仅保留样式展示
  */
 export function getPlanToggleContent(): string {
   return `
     <div class="tooltip">
-      <label class="plan-toggle">
+      <label class="plan-toggle plan-toggle-disabled">
-        <input type="checkbox" id="planToggle" onchange="handlePlanToggle()">
+        <input type="checkbox" id="planToggle" disabled>
         <span class="plan-toggle-slider"></span>
         <span class="plan-toggle-label">Plan</span>
       </label>
-      <span class="tooltiptext" id="planTooltip">启用 Plan 模式</span>
+      <span class="tooltiptext" id="planTooltip">请使用模式选择器切换 Plan 模式</span>
     </div>
   `;
 }
@@ -73,6 +75,17 @@ export function getPlanToggleStyles(): string {
       font-weight: 500;
       color: var(--vscode-foreground);
     }
+
+    /* 禁用状态样式 */
+    .plan-toggle-disabled {
+      cursor: not-allowed;
+      opacity: 0.5;
+    }
+
+    .plan-toggle-disabled .plan-toggle-slider {
+      background: var(--vscode-input-background);
+      border-color: var(--vscode-input-border);
+    }
   `;
 }
 

src/views/waveformPreviewContent.ts

@@ -263,61 +263,63 @@ export function getWaveformPreviewScript(): string {
         const timeRange = maxTime - minTime || 1;
 
         // 绘制波形
-        let pathData = '';
+        if (signal.width === 1) {
-        let lastX = leftMargin;
+          // 单比特信号 - 绘制数字波形
-        let lastValue = signal.values[0].value;
+          let pathData = '';
+          const yHigh = y;
+          const yLow = y + signalHeight;
 
-        signal.values.forEach((point, i) => {
+          signal.values.forEach((point, i) => {
-          const x = leftMargin + ((point.time - minTime) / timeRange) * waveformWidth;
+            const x = leftMargin + ((point.time - minTime) / timeRange) * waveformWidth;
-          const value = point.value;
+            const currentY = (point.value === '1') ? yHigh : yLow;
-
-          if (signal.width === 1) {
-            // 单比特信号 - 绘制数字波形
-            const yHigh = y;
-            const yLow = y + signalHeight;
-            const currentY = (value === '1') ? yHigh : yLow;
 
             if (i === 0) {
               pathData = \`M \${x} \${currentY}\`;
             } else {
-              // 绘制垂直跳变
+              const prevValue = signal.values[i - 1].value;
-              const prevY = (lastValue === '1') ? yHigh : yLow;
+              const prevY = (prevValue === '1') ? yHigh : yLow;
               if (prevY !== currentY) {
                 pathData += \` L \${x} \${prevY} L \${x} \${currentY}\`;
               } else {
                 pathData += \` L \${x} \${currentY}\`;
               }
             }
+          });
 
-            lastValue = value;
+          // 延伸到右边界
-            lastX = x;
+          const lastValue = signal.values[signal.values.length - 1].value;
-          } else {
+          const lastY = (lastValue === '1') ? yHigh : yLow;
-            // 多比特信号 - 绘制总线波形（梯形）
-            const yTop = y + 5;
-            const yBottom = y + signalHeight - 5;
-            const transitionWidth = 5;
-
-            if (i === 0) {
-              pathData = \`M \${x} \${yTop + (yBottom - yTop) / 2}\`;
-            } else {
-              // 绘制梯形过渡
-              pathData += \` L \${x - transitionWidth} \${yTop} L \${x} \${yTop + (yBottom - yTop) / 2}\`;
-            }
-
-            lastX = x;
-          }
-        });
-
-        // 延伸到右边界
-        if (signal.width === 1) {
-          const lastY = (lastValue === '1') ? y : (y + signalHeight);
           pathData += \` L \${leftMargin + waveformWidth} \${lastY}\`;
-        } else {
-          const yMid = y + signalHeight / 2;
-          pathData += \` L \${leftMargin + waveformWidth} \${yMid}\`;
-        }
 
-        svgContent += \`<path d="\${pathData}" stroke="\${color}" stroke-width="1.5" fill="none"/>\`;
+          svgContent += \`<path d="\${pathData}" stroke="\${color}" stroke-width="1.5" fill="none"/>\`;
+        } else {
+          // 多比特信号 - 绘制总线波形（上下双线）
+          const yTop = y + 5;
+          const yBottom = y + signalHeight - 5;
+          const transitionWidth = 4;
+
+          let topPath = \`M \${leftMargin} \${yTop}\`;
+          let bottomPath = \`M \${leftMargin} \${yBottom}\`;
+
+          signal.values.forEach((point, i) => {
+            const x = leftMargin + ((point.time - minTime) / timeRange) * waveformWidth;
+
+            // 上线和下线都延伸到变化点
+            topPath += \` L \${x} \${yTop}\`;
+            bottomPath += \` L \${x} \${yBottom}\`;
+
+            // 绘制梯形过渡
+            topPath += \` L \${x + transitionWidth} \${yBottom} L \${x + transitionWidth} \${yTop}\`;
+            bottomPath += \` L \${x + transitionWidth} \${yTop} L \${x + transitionWidth} \${yBottom}\`;
+          });
+
+          // 延伸到右边界
+          topPath += \` L \${leftMargin + waveformWidth} \${yTop}\`;
+          bottomPath += \` L \${leftMargin + waveformWidth} \${yBottom}\`;
+
+          svgContent += \`<path d="\${topPath}" stroke="\${color}" stroke-width="1.5" fill="none"/>\`;
+          svgContent += \`<path d="\${bottomPath}" stroke="\${color}" stroke-width="1.5" fill="none"/>\`;
+        }
       });
 
       // 绘制时间轴

src/views/webviewContent.ts

@@ -255,7 +255,7 @@ export function getWebviewContent(iconUri?: string): string {
       padding: 0;
     }
     .message-segment {
-      padding: 10px 22  px;
+      padding: 10px 22px;
     }
     .segment-text {
       line-height: 1.6;
@@ -417,6 +417,62 @@ export function getWebviewContent(iconUri?: string): string {
     let loadingIndicator = null;
     let currentSegmentedMessage = null; // 当前分段消息容器
 
+    // ========== 模式选择器脚本（直接内联，避免模板字符串嵌套问题）==========
+    let currentMode = 'agent';
+
+    function toggleModeDropdown() {
+      const modeSelectEl = document.getElementById('modeSelect');
+      const modelSelectEl = document.getElementById('modelSelect');
+      if (modeSelectEl) {
+        modeSelectEl.classList.toggle('active');
+        if (modelSelectEl) {
+          modelSelectEl.classList.remove('active');
+        }
+      }
+    }
+
+    function selectMode(value, label) {
+      currentMode = value;
+      const modeValue = document.getElementById('modeValue');
+      const modeTooltip = document.getElementById('modeTooltip');
+      if (modeValue) {
+        modeValue.textContent = label;
+      }
+      if (modeTooltip) {
+        const tooltipMap = {
+          'plan': '只读模式 - 只能查询分析',
+          'ask': '逐个确认 - 每个写操作需确认',
+          'agent': '智能体自主模式',
+          'auto': '完全自动 - 所有操作自动执行'
+        };
+        modeTooltip.textContent = tooltipMap[value] || '切换模式';
+      }
+      const options = document.querySelectorAll('.mode-option');
+      options.forEach(option => {
+        if (option.getAttribute('data-value') === value) {
+          option.classList.add('selected');
+        } else {
+          option.classList.remove('selected');
+        }
+      });
+      const modeSelectEl = document.getElementById('modeSelect');
+      if (modeSelectEl) {
+        modeSelectEl.classList.remove('active');
+      }
+    }
+
+    function getCurrentMode() {
+      return currentMode;
+    }
+
+    document.addEventListener('click', (event) => {
+      const modeSelectEl = document.getElementById('modeSelect');
+      if (modeSelectEl && !modeSelectEl.contains(event.target)) {
+        modeSelectEl.classList.remove('active');
+      }
+    });
+    // ========== 模式选择器脚本结束 ==========
+
     function quickAction(type) {
       const questions = {
         counter: '生成一个4位同步计数器',
@@ -443,8 +499,6 @@ export function getWebviewContent(iconUri?: string): string {
       }
     }
 
-    messageInput.focus();
-
     // 监听来自插件的消息
     window.addEventListener('message', event => {
       const message = event.data;
@@ -516,6 +570,14 @@ export function getWebviewContent(iconUri?: string): string {
           hideLoadingIndicator();
           break;
 
+        case 'workspaceStatus':
+          // 更新工作区状态
+          if (typeof hasWorkspace !== 'undefined') {
+            hasWorkspace = message.hasWorkspace;
+            console.log('[WebView] 工作区状态:', hasWorkspace);
+          }
+          break;
+
         case 'vcdInfo':
           // 渲染迷你波形预览信息
           try {
@@ -588,6 +650,27 @@ export function getWebviewContent(iconUri?: string): string {
           }
           break;
 
+        case 'switchMode':
+          // 切换运行模式（Plan 确认后自动切换到 Agent）
+          if (message.mode && typeof selectMode === 'function') {
+            const labelMap = {
+              'plan': 'Plan',
+              'ask': 'Ask',
+              'agent': 'Agent',
+              'auto': 'Auto'
+            };
+            selectMode(message.mode, labelMap[message.mode] || message.mode);
+            console.log('[WebView] 模式已切换到:', message.mode);
+          }
+          break;
+
+        case 'addMessage':
+          // 添加消息（通用）
+          if (message.text && message.sender) {
+            addMessage(message.text, message.sender);
+          }
+          break;
+
         default:
           console.log('[WebView] 未处理的消息类型:', message.command);
       }