feat(chat): remove mobile check and open new session draft when no active session

packages/ui/src/components/chat/ChatContainer.tsx

@@ -11,7 +11,6 @@ import { useChatScrollManager } from '@/hooks/useChatScrollManager';
 import { useDeviceInfo } from '@/lib/device';
 import { Button } from '@/components/ui/button';
 import { OverlayScrollbar } from '@/components/ui/OverlayScrollbar';
-import { isVSCodeRuntime } from '@/lib/desktop';
 
 export const ChatContainer: React.FC = () => {
     const {
@@ -41,14 +40,10 @@ export const ChatContainer: React.FC = () => {
     const draftOpen = Boolean(newSessionDraft?.open);
 
     React.useEffect(() => {
-        if (isMobile || isVSCodeRuntime()) {
-            return;
-        }
-
         if (!currentSessionId && !draftOpen) {
             openNewSessionDraft();
         }
-    }, [currentSessionId, draftOpen, isMobile, openNewSessionDraft]);
+    }, [currentSessionId, draftOpen, openNewSessionDraft]);
 
     const sessionMessages = React.useMemo(() => {
 

packages/ui/src/components/layout/VSCodeLayout.tsx

@@ -46,12 +46,12 @@ export const VSCodeLayout: React.FC = () => {
     }
   }, [currentSessionId]);
 
-  // If the active session disappears (e.g., deleted), stay on the sessions list
+  // If the active session disappears (e.g., deleted), show a new chat view
   React.useEffect(() => {
-    if (!currentSessionId && !newSessionDraftOpen && currentView === 'chat') {
+    if (!currentSessionId && !newSessionDraftOpen) {
-      setCurrentView('sessions');
+      openNewSessionDraft();
     }
-  }, [currentSessionId, currentView, newSessionDraftOpen]);
+  }, [currentSessionId, newSessionDraftOpen, openNewSessionDraft]);
 
   const handleBackToSessions = React.useCallback(() => {
     setCurrentView('sessions');