refactor(vscode-ide-companion): 重构主动完成和会话管理

- 移除了 QwenAgentManager 中的冗余类型导出
- 优化了 App 组件中的会话管理和标题更新逻辑
- 改进了消息输入框的中文输入法支持
- 调整了活动文件指示器的样式

packages/vscode-ide-companion/src/agents/qwenAgentManager.ts

@@ -23,7 +23,6 @@ import type {
 import { QwenConnectionHandler } from './qwenConnectionHandler.js';
 import { QwenSessionUpdateHandler } from './qwenSessionUpdateHandler.js';
 
-// 重新导出类型以保持向后兼容
 export type { ChatMessage, PlanEntry, ToolCallUpdateData };
 
 /**

packages/vscode-ide-companion/src/webview/App.scss

@@ -787,30 +787,17 @@ button {
   min-width: 0;
 }
 
-/* Active file indicator - shows current file selection (.vo in Claude Code) */
+/* Active file indicator - shows current file selection */
 .active-file-indicator {
-  font-size: 0.85em;
-  font-family: inherit;
-  color: var(--app-primary-foreground);
-  opacity: 0.6;
-  background: none;
-  border: none;
-  padding: 2px 4px;
-  cursor: default;
-  text-align: right;
-  max-width: 50%;
+  // Inherits all styles from .action-button
+  // Only add specific overrides here if needed
+  max-width: 200px;
   overflow: hidden;
   text-overflow: ellipsis;
-  white-space: nowrap;
-  border-radius: 2px;
   flex-shrink: 1;
   min-width: 0;
 }
 
-.active-file-indicator:hover {
-  opacity: 1;
-}
-
 /* Hide file indicator on very small screens */
 @media screen and (max-width: 330px) {
   .active-file-indicator {

packages/vscode-ide-companion/src/webview/App.tsx

@@ -220,6 +220,7 @@ export const App: React.FC = () => {
   const [editMode, setEditMode] = useState<EditMode>('ask');
   const [thinkingEnabled, setThinkingEnabled] = useState(false);
   const [activeFileName, setActiveFileName] = useState<string | null>(null);
+  const [isComposing, setIsComposing] = useState(false);
 
   const handlePermissionRequest = React.useCallback(
     (request: {
@@ -401,20 +402,8 @@ export const App: React.FC = () => {
         case 'qwenSessionList': {
           const sessions = message.data.sessions || [];
           setQwenSessions(sessions);
-          // If no current session is selected and there are sessions, select the first one
-          if (!currentSessionId && sessions.length > 0) {
-            const firstSession = sessions[0];
-            const firstSessionId =
-              (firstSession.id as string) || (firstSession.sessionId as string);
-            const firstSessionTitle =
-              (firstSession.title as string) ||
-              (firstSession.name as string) ||
-              'Past Conversations';
-            if (firstSessionId) {
-              setCurrentSessionId(firstSessionId);
-              setCurrentSessionTitle(firstSessionTitle);
-            }
-          } else if (currentSessionId && sessions.length > 0) {
+          // Only update title if we have a current session selected
+          if (currentSessionId && sessions.length > 0) {
             // Update title for the current session if it exists in the list
             const currentSession = sessions.find(
               (s: Record<string, unknown>) =>
@@ -443,13 +432,15 @@ export const App: React.FC = () => {
               message.data.sessionId,
             );
           }
-          // Update current session title
-          if (message.data.title || message.data.name) {
+          // Update current session title from session object
+          if (message.data.session) {
+            const session = message.data.session as Record<string, unknown>;
             const title =
-              (message.data.title as string) ||
-              (message.data.name as string) ||
+              (session.title as string) ||
+              (session.name as string) ||
               'Past Conversations';
             setCurrentSessionTitle(title);
+            console.log('[App] Session title updated to:', title);
           }
           // Load messages from the session
           if (message.data.messages) {
@@ -471,6 +462,9 @@ export const App: React.FC = () => {
           setMessages([]);
           setCurrentStreamContent('');
           setToolCalls(new Map());
+          // Reset session ID and title when conversation is cleared (new session created)
+          setCurrentSessionId(null);
+          setCurrentSessionTitle('Past Conversations');
           break;
 
         case 'activeEditorChanged': {
@@ -1028,8 +1022,15 @@ export const App: React.FC = () => {
                   const target = e.target as HTMLDivElement;
                   setInputText(target.textContent || '');
                 }}
+                onCompositionStart={() => {
+                  setIsComposing(true);
+                }}
+                onCompositionEnd={() => {
+                  setIsComposing(false);
+                }}
                 onKeyDown={(e) => {
-                  if (e.key === 'Enter' && !e.shiftKey) {
+                  // 如果正在进行中文输入法输入（拼音输入），不处理回车键
+                  if (e.key === 'Enter' && !e.shiftKey && !isComposing) {
                     e.preventDefault();
                     handleSubmit(e);
                   }