feat(ui): 添加编辑器与对话框联动功能

- 新增 ActiveFileInfo 类型定义
- IDE 组件支持 onActiveFileChange 回调通知活动文件变化
- ChatInput 显示当前活动文件并支持自动附加到消息
- 用户可切换自动附加开关，设置持久化到 localStorage
- 排除 / 和 : 命令避免与斜杠命令和系统命令冲突

packages/web/src/App.tsx

@@ -23,6 +23,7 @@ import {
   listSessions,
   createSession,
   type Session,
+  type ActiveFileInfo,
 } from '@ai-assistant/ui';
 import { ChatPage } from './pages/Chat';
 
@@ -45,6 +46,18 @@ export function App() {
     return saved ? parseFloat(saved) : 70;
   });
 
+  // 编辑器联动状态
+  const [activeFile, setActiveFile] = useState<ActiveFileInfo | null>(null);
+  const [autoAttachActiveFile, setAutoAttachActiveFile] = useState(() => {
+    const saved = localStorage.getItem('ai-assistant-auto-attach-file');
+    return saved !== 'false'; // 默认开启
+  });
+
+  // 持久化自动附加开关状态
+  useEffect(() => {
+    localStorage.setItem('ai-assistant-auto-attach-file', String(autoAttachActiveFile));
+  }, [autoAttachActiveFile]);
+
   // 初始化：加载会话
   useEffect(() => {
     const HAS_SESSIONS_KEY = 'ai-assistant-has-sessions';
@@ -146,7 +159,7 @@ export function App() {
             className="hidden md:flex flex-col"
             style={{ width: `${idePanelWidth}%` }}
           >
-            <IDE />
+            <IDE onActiveFileChange={setActiveFile} />
           </div>
 
           {/* 可拖拽分割线 */}
@@ -175,6 +188,9 @@ export function App() {
                 onOpenLSP={() => setShowLSP(true)}
                 onOpenDiagnostics={() => setShowDiagnostics(true)}
                 onOpenSessions={() => setShowSessions(true)}
+                activeFile={activeFile}
+                autoAttachActiveFile={autoAttachActiveFile}
+                onAutoAttachActiveFileToggle={setAutoAttachActiveFile}
               />
             ) : (
               <div className="flex-1 flex items-center justify-center h-full">

packages/web/src/pages/Chat.tsx

@@ -16,6 +16,7 @@ import {
   SubagentProgress,
   DiagnosticsIndicator,
   ToolbarOverflowMenu,
+  type ActiveFileInfo,
 } from '@ai-assistant/ui';
 
 interface ChatPageProps {
@@ -35,6 +36,13 @@ interface ChatPageProps {
   onOpenLSP?: () => void;
   onOpenDiagnostics?: () => void;
   onOpenSessions?: () => void;
+  // 编辑器联动
+  /** 当前编辑器活动文件 */
+  activeFile?: ActiveFileInfo | null;
+  /** 是否自动附加当前编辑器文件 */
+  autoAttachActiveFile?: boolean;
+  /** 自动附加开关变更回调 */
+  onAutoAttachActiveFileToggle?: (enabled: boolean) => void;
 }
 
 export function ChatPage({
@@ -52,6 +60,9 @@ export function ChatPage({
   onOpenLSP,
   onOpenDiagnostics,
   onOpenSessions,
+  activeFile,
+  autoAttachActiveFile,
+  onAutoAttachActiveFileToggle,
 }: ChatPageProps) {
   const {
     messages,
@@ -228,6 +239,9 @@ export function ChatPage({
         onAgentModeChange={setAgentMode}
         autoApprove={autoApprove}
         onAutoApproveChange={setAutoApprove}
+        activeFile={activeFile}
+        autoAttachActiveFile={autoAttachActiveFile}
+        onAutoAttachActiveFileToggle={onAutoAttachActiveFileToggle}
       />
 
       {/* Permission Dialog */}