feat(ui): 添加 Token 消耗统计显示

- 状态栏显示当前会话 Token 消耗总量，悬停显示详情
- AI 消息底部显示本次响应的输入/输出 Token
- 会话列表顶部显示项目 Token 消耗总量
- 会话列表每项显示该会话的 Token 消耗
- 新增 Token 统计 API 客户端函数
- Server done 事件携带 usage 信息

packages/server/src/agent/adapter.ts

@@ -421,7 +421,7 @@ export async function processMessage(
       });
     });
 
-    // 发送完成消息
+    // 发送完成消息（包含 token 使用信息）
     broadcastToSession(sessionId, {
       type: 'done',
       sessionId,
@@ -430,6 +430,13 @@ export async function processMessage(
         hasToolCalls,
         messageCount: result.messages.length,
         agentName: options?.agentMode || 'build',
+        usage: result.usage ? {
+          inputTokens: result.usage.promptTokens,
+          outputTokens: result.usage.completionTokens,
+          totalTokens: result.usage.totalTokens,
+          cacheReadTokens: result.usage.cacheReadInputTokens,
+          cacheWriteTokens: result.usage.cacheCreationInputTokens,
+        } : undefined,
       },
     });
 

packages/ui/src/api/client.ts

@@ -56,6 +56,10 @@ import type {
   // System Commands types
   SystemCommandListResponse,
   SystemCommandInfo,
+  // Token Stats types
+  SessionTokenStats,
+  ProjectTokenStats,
+  TokenStatsSummary,
 } from './types.js';
 
 // Re-export types
@@ -155,6 +159,11 @@ export type {
   ActiveFileInfo,
   // File diff types
   FileDiffInfo,
+  // Token Stats types
+  TokenCount,
+  SessionTokenStats,
+  ProjectTokenStats,
+  TokenStatsSummary,
 } from './types.js';
 
 // API Configuration
@@ -1156,3 +1165,53 @@ export async function getLSPDiagnostics(file?: string): Promise<{
   const params = file ? `?file=${encodeURIComponent(file)}` : '';
   return request('GET', `/lsp/diagnostics${params}`);
 }
+
+// ============ Token Stats API ============
+
+/**
+ * 获取会话 Token 统计
+ */
+export async function getSessionTokenStats(sessionId: string): Promise<{
+  success: boolean;
+  data?: SessionTokenStats;
+  error?: string;
+}> {
+  return request('GET', `/stats/sessions/${encodeURIComponent(sessionId)}`);
+}
+
+/**
+ * 获取项目 Token 统计
+ */
+export async function getProjectTokenStats(
+  projectId: string,
+  refresh?: boolean
+): Promise<{
+  success: boolean;
+  data?: ProjectTokenStats;
+  error?: string;
+}> {
+  const params = refresh ? '?refresh=true' : '';
+  return request('GET', `/stats/projects/${encodeURIComponent(projectId)}${params}`);
+}
+
+/**
+ * 获取 Token 统计摘要（当前会话和项目）
+ */
+export async function getTokenStatsSummary(): Promise<{
+  success: boolean;
+  data?: TokenStatsSummary;
+  error?: string;
+}> {
+  return request('GET', '/stats/summary');
+}
+
+/**
+ * 刷新项目 Token 统计
+ */
+export async function refreshProjectTokenStats(projectId: string): Promise<{
+  success: boolean;
+  data?: ProjectTokenStats;
+  error?: string;
+}> {
+  return request('POST', `/stats/projects/${encodeURIComponent(projectId)}/refresh`);
+}

packages/ui/src/api/types.ts

@@ -184,6 +184,10 @@ export interface Message {
     model?: string;
     stepCount?: number;
     totalTokens?: number;
+    /** 输入 Token 数 */
+    inputTokens?: number;
+    /** 输出 Token 数 */
+    outputTokens?: number;
     /** 生成此消息的 Agent 名称 */
     agentName?: string;
   };
@@ -1223,3 +1227,61 @@ export interface FileDiffInfo {
   toolCallId?: string;
 }
 
+// ============ Token 统计相关 ============
+
+/** Token 统计数值 */
+export interface TokenCount {
+  inputTokens: number;
+  outputTokens: number;
+  totalTokens: number;
+}
+
+/** 会话 Token 统计 */
+export interface SessionTokenStats {
+  /** 会话 ID */
+  sessionId?: string;
+  /** 本会话自身统计 */
+  self: TokenCount & {
+    cacheReadTokens?: number;
+    cacheWriteTokens?: number;
+  };
+  /** 子会话统计汇总 */
+  children: TokenCount;
+  /** 总计（自身 + 子会话） */
+  total: TokenCount;
+  /** 消息数量 */
+  messageCount: number;
+  /** 最后更新时间 */
+  updatedAt?: number;
+}
+
+/** 项目 Token 统计 */
+export interface ProjectTokenStats {
+  /** 项目 ID */
+  projectId: string;
+  /** 总输入 Token */
+  totalInputTokens: number;
+  /** 总输出 Token */
+  totalOutputTokens: number;
+  /** 总 Token */
+  totalTokens: number;
+  /** 会话数量 */
+  sessionCount: number;
+  /** 最后更新时间 */
+  updatedAt?: number;
+}
+
+/** Token 统计摘要 */
+export interface TokenStatsSummary {
+  /** 是否有活跃会话 */
+  hasActiveSession: boolean;
+  /** 当前会话 ID */
+  sessionId?: string;
+  /** 当前项目 ID */
+  projectId?: string;
+  /** 会话统计 */
+  session: SessionTokenStats | null;
+  /** 项目统计 */
+  project: ProjectTokenStats | null;
+}
+

packages/ui/src/components/ChatMessage.tsx

@@ -15,6 +15,7 @@ import {
   CheckCircle2,
   Loader2,
   GitCompare,
+  Coins,
 } from 'lucide-react';
 import { motion, AnimatePresence } from 'framer-motion';
 import { useState, forwardRef } from 'react';
@@ -41,11 +42,28 @@ interface ChatMessageProps {
   onDenyPermission?: (requestId: string, remember: boolean) => void;
 }
 
+// 格式化 Token 数量
+const formatTokens = (tokens: number): string => {
+  if (tokens >= 1000000) {
+    return `${(tokens / 1000000).toFixed(2)}M`;
+  }
+  if (tokens >= 1000) {
+    return `${(tokens / 1000).toFixed(1)}k`;
+  }
+  return `${tokens}`;
+};
+
 export const ChatMessage = forwardRef<HTMLDivElement, ChatMessageProps>(
   ({ message, isStreaming = false, onAnswerQuestion, onViewDiff, onAllowPermission, onDenyPermission }, ref) => {
     const isUser = message.role === 'user';
     const [copied, setCopied] = useState(false);
 
+    // Token 信息
+    const hasTokenInfo = !isUser && message.metadata?.inputTokens !== undefined;
+    const inputTokens = message.metadata?.inputTokens ?? 0;
+    const outputTokens = message.metadata?.outputTokens ?? 0;
+    const totalTokens = message.metadata?.totalTokens ?? (inputTokens + outputTokens);
+
     const handleCopy = async () => {
       await navigator.clipboard.writeText(message.content ?? '');
       setCopied(true);
@@ -184,6 +202,22 @@ export const ChatMessage = forwardRef<HTMLDivElement, ChatMessageProps>(
             </button>
           </div>
           {renderContent()}
+          {/* Token 统计显示（仅 AI 消息，非流式输出时） */}
+          {hasTokenInfo && !isStreaming && totalTokens > 0 && (
+            <div className="mt-2 pt-2 border-t border-line/50 flex items-center gap-3 text-xs text-fg-subtle">
+              <span className="flex items-center gap-1" title="Token 消耗">
+                <Coins size={12} className="text-fg-muted" />
+                <span>{formatTokens(totalTokens)}</span>
+              </span>
+              <span className="text-fg-muted/40">|</span>
+              <span title="输入 Token">
+                ↓ {formatTokens(inputTokens)}
+              </span>
+              <span title="输出 Token">
+                ↑ {formatTokens(outputTokens)}
+              </span>
+            </div>
+          )}
         </div>
       </motion.div>
     );

packages/ui/src/components/SessionPanel.tsx

@@ -5,14 +5,23 @@
  */
 
 import { useState, useEffect, useCallback, forwardRef } from 'react';
-import { X, Plus, MessageSquare, Trash2, MessageCircle } from 'lucide-react';
+import { X, Plus, MessageSquare, Trash2, MessageCircle, Coins } from 'lucide-react';
 import { motion, AnimatePresence } from 'framer-motion';
 import { toast } from 'sonner';
 import { cn } from '../utils/cn';
 import { modalOverlay, modalContent, smoothTransition, fadeInUp } from '../utils/animations';
 import { Button } from '../primitives/Button';
 import { SessionSkeleton } from './Skeleton';
-import { listSessions, createSession, deleteSession, type Session } from '../api/client.js';
+import {
+  listSessions,
+  createSession,
+  deleteSession,
+  getTokenStatsSummary,
+  getSessionTokenStats,
+  type Session,
+  type ProjectTokenStats,
+  type SessionTokenStats,
+} from '../api/client.js';
 
 interface SessionPanelProps {
   onClose: () => void;
@@ -28,6 +37,17 @@ interface SessionPanelProps {
   responsive?: boolean;
 }
 
+// 格式化 Token 数量
+const formatTokens = (tokens: number): string => {
+  if (tokens >= 1000000) {
+    return `${(tokens / 1000000).toFixed(2)}M`;
+  }
+  if (tokens >= 1000) {
+    return `${(tokens / 1000).toFixed(1)}k`;
+  }
+  return `${tokens}`;
+};
+
 export function SessionPanel({
   onClose,
   currentSessionId,
@@ -38,13 +58,45 @@ export function SessionPanel({
 }: SessionPanelProps) {
   const [sessions, setSessions] = useState<Session[]>([]);
   const [isLoading, setIsLoading] = useState(true);
+  const [projectStats, setProjectStats] = useState<ProjectTokenStats | null>(null);
+  const [sessionStats, setSessionStats] = useState<Record<string, SessionTokenStats>>({});
 
-  // 加载会话列表
+  // 加载会话列表和 Token 统计
   const loadSessions = useCallback(async () => {
     setIsLoading(true);
     try {
-      const { data } = await listSessions();
-      setSessions(data);
+      const [sessionsResult, summaryResult] = await Promise.all([
+        listSessions(),
+        getTokenStatsSummary(),
+      ]);
+      setSessions(sessionsResult.data);
+
+      // 设置项目统计
+      if (summaryResult.success && summaryResult.data?.project) {
+        setProjectStats(summaryResult.data.project);
+      }
+
+      // 加载每个会话的 Token 统计
+      const statsPromises = sessionsResult.data.map(async (session) => {
+        try {
+          const result = await getSessionTokenStats(session.id);
+          if (result.success && result.data) {
+            return { id: session.id, stats: result.data };
+          }
+        } catch {
+          // 忽略单个会话统计加载失败
+        }
+        return null;
+      });
+
+      const statsResults = await Promise.all(statsPromises);
+      const newStats: Record<string, SessionTokenStats> = {};
+      for (const result of statsResults) {
+        if (result) {
+          newStats[result.id] = result.stats;
+        }
+      }
+      setSessionStats(newStats);
     } catch (error) {
       console.error('Failed to load sessions:', error);
       toast.error('Failed to load sessions');
@@ -109,41 +161,60 @@ export function SessionPanel({
   }, [sessionTitleUpdate]);
 
   // 会话列表项
-  const SessionItem = forwardRef<HTMLDivElement, { session: Session }>(({ session }, ref) => (
-    <motion.div
-      ref={ref}
-      layout
-      variants={fadeInUp}
-      initial="initial"
-      animate="animate"
-      exit="exit"
-      transition={smoothTransition}
-      onClick={() => handleSelectSession(session.id)}
-      className={cn(
-        'flex items-center gap-3 p-3 rounded-lg cursor-pointer group',
-        'hover:bg-surface-muted transition-colors',
-        'active:bg-surface-emphasis',
-        currentSessionId === session.id && 'bg-primary-500/20 border border-primary-500/30'
-      )}
-    >
-      <MessageSquare size={18} className="text-fg-muted flex-shrink-0" />
-      <div className="flex-1 min-w-0">
-        <div className="text-sm truncate text-fg">
-          {session.name || `Chat ${session.id.slice(0, 8)}`}
-        </div>
-        <div className="text-xs text-fg-subtle">{session.messageCount} messages</div>
-      </div>
-      <motion.button
-        whileHover={{ scale: 1.1 }}
-        whileTap={{ scale: 0.9 }}
-        onClick={(e) => handleDelete(session.id, e)}
-        className="opacity-0 group-hover:opacity-100 p-1.5 hover:bg-red-500/20 rounded transition-all"
-        aria-label="Delete session"
+  const SessionItem = forwardRef<HTMLDivElement, { session: Session }>(({ session }, ref) => {
+    const stats = sessionStats[session.id];
+    const totalTokens = stats?.total.totalTokens ?? 0;
+
+    return (
+      <motion.div
+        ref={ref}
+        layout
+        variants={fadeInUp}
+        initial="initial"
+        animate="animate"
+        exit="exit"
+        transition={smoothTransition}
+        onClick={() => handleSelectSession(session.id)}
+        className={cn(
+          'flex items-center gap-3 p-3 rounded-lg cursor-pointer group',
+          'hover:bg-surface-muted transition-colors',
+          'active:bg-surface-emphasis',
+          currentSessionId === session.id && 'bg-primary-500/20 border border-primary-500/30'
+        )}
       >
-        <Trash2 size={14} className="text-red-400" />
-      </motion.button>
-    </motion.div>
-  ));
+        <MessageSquare size={18} className="text-fg-muted flex-shrink-0" />
+        <div className="flex-1 min-w-0">
+          <div className="text-sm truncate text-fg">
+            {session.name || `Chat ${session.id.slice(0, 8)}`}
+          </div>
+          <div className="flex items-center gap-2 text-xs text-fg-subtle">
+            <span>{session.messageCount} messages</span>
+            {totalTokens > 0 && (
+              <>
+                <span className="text-fg-muted/40">•</span>
+                <span
+                  className="flex items-center gap-0.5"
+                  title={`输入: ${formatTokens(stats.total.inputTokens)} | 输出: ${formatTokens(stats.total.outputTokens)}`}
+                >
+                  <Coins size={10} />
+                  {formatTokens(totalTokens)}
+                </span>
+              </>
+            )}
+          </div>
+        </div>
+        <motion.button
+          whileHover={{ scale: 1.1 }}
+          whileTap={{ scale: 0.9 }}
+          onClick={(e) => handleDelete(session.id, e)}
+          className="opacity-0 group-hover:opacity-100 p-1.5 hover:bg-red-500/20 rounded transition-all"
+          aria-label="Delete session"
+        >
+          <Trash2 size={14} className="text-red-400" />
+        </motion.button>
+      </motion.div>
+    );
+  });
 
   // 空状态
   const EmptyState = () => (
@@ -189,30 +260,48 @@ export function SessionPanel({
       onClick={(e) => e.stopPropagation()}
     >
       {/* Header */}
-      <div className="flex items-center justify-between p-4 border-b border-line">
-        <div className="flex items-center gap-2">
-          <MessageSquare size={20} className="text-primary-400" />
-          <h2 className="text-lg font-semibold text-fg">Sessions</h2>
-          {!isLoading && (
-            <span className="text-xs text-fg-muted bg-surface-muted px-2 py-0.5 rounded-full">
-              {sessions.length}
-            </span>
-          )}
-        </div>
-        <div className="flex items-center gap-2">
-          <Button onClick={handleCreate} variant="default" size="sm">
-            <Plus size={16} />
-            New
-          </Button>
-          <motion.button
-            whileHover={{ scale: 1.1 }}
-            whileTap={{ scale: 0.9 }}
-            onClick={onClose}
-            className="p-1.5 hover:bg-surface-muted rounded-lg transition-colors"
-          >
-            <X size={20} className="text-fg-muted" />
-          </motion.button>
+      <div className="border-b border-line">
+        <div className="flex items-center justify-between p-4">
+          <div className="flex items-center gap-2">
+            <MessageSquare size={20} className="text-primary-400" />
+            <h2 className="text-lg font-semibold text-fg">Sessions</h2>
+            {!isLoading && (
+              <span className="text-xs text-fg-muted bg-surface-muted px-2 py-0.5 rounded-full">
+                {sessions.length}
+              </span>
+            )}
+          </div>
+          <div className="flex items-center gap-2">
+            <Button onClick={handleCreate} variant="default" size="sm">
+              <Plus size={16} />
+              New
+            </Button>
+            <motion.button
+              whileHover={{ scale: 1.1 }}
+              whileTap={{ scale: 0.9 }}
+              onClick={onClose}
+              className="p-1.5 hover:bg-surface-muted rounded-lg transition-colors"
+            >
+              <X size={20} className="text-fg-muted" />
+            </motion.button>
+          </div>
         </div>
+        {/* 项目 Token 统计 */}
+        {projectStats && projectStats.totalTokens > 0 && (
+          <div className="px-4 pb-3 flex items-center gap-4 text-xs text-fg-muted">
+            <div
+              className="flex items-center gap-1"
+              title={`总输入: ${formatTokens(projectStats.totalInputTokens)} | 总输出: ${formatTokens(projectStats.totalOutputTokens)}`}
+            >
+              <Coins size={12} className="text-primary-400" />
+              <span>项目总计:</span>
+              <span className="text-fg-secondary font-medium">{formatTokens(projectStats.totalTokens)}</span>
+            </div>
+            <div className="text-fg-subtle">
+              {projectStats.sessionCount} 个会话
+            </div>
+          </div>
+        )}
       </div>
 
       {/* Session List */}

packages/ui/src/components/StatusBar.tsx

@@ -1,18 +1,28 @@
 /**
  * StatusBar Component
  *
- * 底部状态栏，显示 Git 分支、诊断信息、连接状态等
+ * 底部状态栏，显示 Git 分支、诊断信息、连接状态、Token 统计等
  */
 
 import { useState, useEffect, useCallback } from 'react';
-import { GitBranch, AlertTriangle, AlertCircle, WifiOff, RefreshCw, CheckCircle } from 'lucide-react';
+import { GitBranch, AlertTriangle, AlertCircle, WifiOff, RefreshCw, CheckCircle, Coins } from 'lucide-react';
 import { cn } from '../utils/cn.js';
-import { getLSPDiagnostics, getGitInfo, getHealth, type DiagnosticsSummary, type GitInfo } from '../api/client.js';
+import {
+  getLSPDiagnostics,
+  getGitInfo,
+  getHealth,
+  getSessionTokenStats,
+  type DiagnosticsSummary,
+  type GitInfo,
+  type SessionTokenStats,
+} from '../api/client.js';
 
 interface StatusBarProps {
   className?: string;
   /** 是否连接到服务器 */
   isConnected?: boolean;
+  /** 当前会话 ID */
+  sessionId?: string | null;
   /** 点击诊断信息回调 */
   onDiagnosticsClick?: () => void;
   /** 刷新间隔 (ms) */
@@ -22,25 +32,39 @@ interface StatusBarProps {
 export function StatusBar({
   className,
   isConnected: isConnectedProp,
+  sessionId,
   onDiagnosticsClick,
   refreshInterval = 30000,
 }: StatusBarProps) {
   const [diagnostics, setDiagnostics] = useState<DiagnosticsSummary | null>(null);
   const [gitInfo, setGitInfo] = useState<GitInfo | null>(null);
+  const [tokenStats, setTokenStats] = useState<SessionTokenStats | null>(null);
   const [loading, setLoading] = useState(false);
   const [connectionStatus, setConnectionStatus] = useState(true);
 
   // 如果外部传入了 isConnected，使用外部值；否则使用内部检测
   const isConnected = isConnectedProp ?? connectionStatus;
 
-  // 加载诊断信息和 Git 信息
+  // 加载诊断信息、Git 信息和 Token 统计
   const loadData = useCallback(async () => {
     setLoading(true);
     try {
-      const [diagResult, gitResult] = await Promise.all([
+      const promises: Promise<unknown>[] = [
         getLSPDiagnostics(),
         getGitInfo(),
-      ]);
+      ];
+
+      // 如果有 sessionId，加载 Token 统计
+      if (sessionId) {
+        promises.push(getSessionTokenStats(sessionId));
+      }
+
+      const results = await Promise.all(promises);
+      const [diagResult, gitResult, tokenResult] = results as [
+        Awaited<ReturnType<typeof getLSPDiagnostics>>,
+        Awaited<ReturnType<typeof getGitInfo>>,
+        Awaited<ReturnType<typeof getSessionTokenStats>> | undefined,
+      ];
 
       if (diagResult.success && diagResult.data.summary) {
         setDiagnostics(diagResult.data.summary);
@@ -50,6 +74,10 @@ export function StatusBar({
         setGitInfo(gitResult.data);
       }
 
+      if (tokenResult?.success && tokenResult.data) {
+        setTokenStats(tokenResult.data);
+      }
+
       // 如果没有外部传入连接状态，内部检测
       if (isConnectedProp === undefined) {
         setConnectionStatus(true);
@@ -62,7 +90,7 @@ export function StatusBar({
     } finally {
       setLoading(false);
     }
-  }, [isConnectedProp]);
+  }, [isConnectedProp, sessionId]);
 
   // 检测连接状态（如果没有外部传入）
   const checkConnection = useCallback(async () => {
@@ -92,6 +120,17 @@ export function StatusBar({
   const warningCount = diagnostics?.totalWarnings ?? 0;
   const hasIssues = errorCount > 0 || warningCount > 0;
 
+  // 格式化 Token 数量
+  const formatTokens = (tokens: number): string => {
+    if (tokens >= 1000000) {
+      return `${(tokens / 1000000).toFixed(2)}M`;
+    }
+    if (tokens >= 1000) {
+      return `${(tokens / 1000).toFixed(1)}k`;
+    }
+    return `${tokens}`;
+  };
+
   return (
     <div
       className={cn(
@@ -149,6 +188,17 @@ export function StatusBar({
 
       {/* 右侧 */}
       <div className="flex items-center gap-3">
+        {/* Token 统计 */}
+        {tokenStats && tokenStats.total.totalTokens > 0 && (
+          <div
+            className="flex items-center gap-1 text-fg-muted hover:text-fg-secondary cursor-default"
+            title={`输入: ${formatTokens(tokenStats.total.inputTokens)} | 输出: ${formatTokens(tokenStats.total.outputTokens)} | 消息: ${tokenStats.messageCount}${tokenStats.children.totalTokens > 0 ? ` | 子任务: ${formatTokens(tokenStats.children.totalTokens)}` : ''}`}
+          >
+            <Coins size={12} />
+            <span>{formatTokens(tokenStats.total.totalTokens)}</span>
+          </div>
+        )}
+
         {/* 诊断信息 */}
         <button
           onClick={onDiagnosticsClick}

packages/ui/src/hooks/useChat.ts

@@ -415,6 +415,12 @@ export function useChat({ sessionId, onError, onSessionNotFound, onSessionUpdate
               const content = message.payload?.content || streaming?.content || '';
               // 从服务器 payload 获取 agentName，或使用当前 agentMode
               const agentName = message.payload?.agentName || prev.agentMode;
+              // 获取 token usage 信息
+              const usage = message.payload?.usage as {
+                inputTokens?: number;
+                outputTokens?: number;
+                totalTokens?: number;
+              } | undefined;
 
               const newMessage: Message = streaming
                 ? {
@@ -422,7 +428,13 @@ export function useChat({ sessionId, onError, onSessionNotFound, onSessionUpdate
                     id: message.payload?.id || streaming.id,
                     timestamp: message.payload?.timestamp || streaming.timestamp,
                     content,
-                    metadata: { ...streaming.metadata, agentName },
+                    metadata: {
+                      ...streaming.metadata,
+                      agentName,
+                      inputTokens: usage?.inputTokens,
+                      outputTokens: usage?.outputTokens,
+                      totalTokens: usage?.totalTokens,
+                    },
                   }
                 : {
                     id: message.payload?.id || `assistant-${Date.now()}-${Math.random().toString(36).slice(2, 9)}`,
@@ -430,7 +442,12 @@ export function useChat({ sessionId, onError, onSessionNotFound, onSessionUpdate
                     timestamp: message.payload?.timestamp || new Date().toISOString(),
                     parts: [{ type: 'text', id: `text-${Date.now()}`, text: content }],
                     content,
-                    metadata: { agentName },
+                    metadata: {
+                      agentName,
+                      inputTokens: usage?.inputTokens,
+                      outputTokens: usage?.outputTokens,
+                      totalTokens: usage?.totalTokens,
+                    },
                   };
 
               return {

packages/web/src/App.tsx

@@ -222,7 +222,10 @@ export function App() {
         </div>
 
         {/* 底部状态栏 */}
-        <StatusBar onDiagnosticsClick={() => setShowDiagnostics(true)} />
+        <StatusBar
+          sessionId={currentSessionId}
+          onDiagnosticsClick={() => setShowDiagnostics(true)}
+        />
 
         {/* 命令面板 */}
         {showCommands && <CommandPanel onClose={() => setShowCommands(false)} responsive />}