fix(chat): restrict thinking prefix to claude

Initialize the composer thinking mode from localStorage so reloads keep the user's

selected mode instead of falling back to Standard.

Keep the chosen mode after sending because the selector behaves like a

preference, not a one-shot modifier for a single prompt.

package.json

@@ -67,7 +67,7 @@
   "author": "CloudCLI UI Contributors",
   "license": "AGPL-3.0-or-later",
   "dependencies": {
-    "@anthropic-ai/claude-agent-sdk": "^0.3.165",
+    "@anthropic-ai/claude-agent-sdk": "^0.2.116",
     "@codemirror/lang-css": "^6.3.1",
     "@codemirror/lang-html": "^6.4.9",
     "@codemirror/lang-javascript": "^6.2.4",

public/modelConstants.js

@@ -11,7 +11,7 @@ export const CLAUDE_MODELS = {
     {
       value: "default",
       label: "Default (recommended)",
-      description: "Use the default model (currently Opus 4.8 (1M context)) · $5/$25 per Mtok",
+      description: "Use the default model (currently Opus 4.7 (1M context)) · $5/$25 per Mtok",
     },
     {
       value: "sonnet",

server/modules/websocket/services/websocket-server.service.ts

@@ -31,24 +31,6 @@ export function createWebSocketServer(
   });
 
   wss.on('connection', (ws, request) => {
-    // Keep WebSocket alive across reverse-proxy idle timeouts (Cloudflare ~100s,
-    // AWS ALB 60s, nginx 60s, etc.). Without app-level pings these connections
-    // are silently torn down even when the UI is active, causing repeated
-    // reconnect cycles. ws library heartbeat is opt-in.
-    const HEARTBEAT_INTERVAL_MS = 30_000;
-    const heartbeat = setInterval(() => {
-      if (ws.readyState === ws.OPEN) {
-        try {
-          ws.ping();
-        } catch {
-          // socket may have been closed concurrently — interval will be cleared below
-        }
-      }
-    }, HEARTBEAT_INTERVAL_MS);
-    const stopHeartbeat = () => clearInterval(heartbeat);
-    ws.on('close', stopHeartbeat);
-    ws.on('error', stopHeartbeat);
-
     const incomingRequest = request as AuthenticatedWebSocketRequest;
     const url = incomingRequest.url ?? '/';
     const pathname = new URL(url, 'http://localhost').pathname;

src/components/chat/hooks/useChatComposerState.ts

@@ -143,6 +143,21 @@ const createFakeSubmitEvent = () => {
   return { preventDefault: () => undefined } as unknown as FormEvent<HTMLFormElement>;
 };
 
+const THINKING_MODE_STORAGE_KEY = 'chat-thinking-mode';
+
+const getInitialThinkingMode = () => {
+  if (typeof window === 'undefined') {
+    return 'none';
+  }
+
+  const savedMode = safeLocalStorage.getItem(THINKING_MODE_STORAGE_KEY);
+  if (!savedMode) {
+    return 'none';
+  }
+
+  return thinkingModes.some((mode) => mode.id === savedMode) ? savedMode : 'none';
+};
+
 const getNotificationSessionSummary = (
   selectedSession: ProjectSession | null,
   fallbackInput: string,
@@ -204,7 +219,7 @@ export function useChatComposerState({
   const [uploadingImages, setUploadingImages] = useState<Map<string, number>>(new Map());
   const [imageErrors, setImageErrors] = useState<Map<string, string>>(new Map());
   const [isTextareaExpanded, setIsTextareaExpanded] = useState(false);
-  const [thinkingMode, setThinkingMode] = useState('none');
+  const [thinkingMode, setThinkingMode] = useState(getInitialThinkingMode);
   const [commandModalPayload, setCommandModalPayload] = useState<CommandModalPayload | null>(null);
 
   const textareaRef = useRef<HTMLTextAreaElement>(null);
@@ -564,7 +579,7 @@ export function useChatComposerState({
 
       let messageContent = currentInput;
       const selectedThinkingMode = thinkingModes.find((mode: { id: string; prefix?: string }) => mode.id === thinkingMode);
-      if (selectedThinkingMode && selectedThinkingMode.prefix) {
+      if (provider === 'claude' && selectedThinkingMode && selectedThinkingMode.prefix) {
         messageContent = `${selectedThinkingMode.prefix}: ${currentInput}`;
       }
 
@@ -749,7 +764,6 @@ export function useChatComposerState({
       setUploadingImages(new Map());
       setImageErrors(new Map());
       setIsTextareaExpanded(false);
-      setThinkingMode('none');
 
       if (textareaRef.current) {
         textareaRef.current.style.height = 'auto';
@@ -795,6 +809,10 @@ export function useChatComposerState({
     inputValueRef.current = input;
   }, [input]);
 
+  useEffect(() => {
+    safeLocalStorage.setItem(THINKING_MODE_STORAGE_KEY, thinkingMode);
+  }, [thinkingMode]);
+
   useEffect(() => {
     if (!selectedProjectId) {
       return;

src/components/chat/view/subcomponents/ChatComposer.tsx

@@ -295,7 +295,6 @@ export default function ChatComposer({
 
             <PromptInputTextarea
               ref={textareaRef}
-              dir="auto"
               value={input}
               onChange={onInputChange}
               onClick={onTextareaClick}

src/components/chat/view/subcomponents/MessageComponent.tsx

@@ -120,7 +120,7 @@ const MessageComponent = memo(({ message, prevMessage, createDiff, onFileOpen, o
         /* User message bubble on the right */
         <div className="flex w-full items-end space-x-0 sm:w-auto sm:max-w-[85%] sm:space-x-3 md:max-w-md lg:max-w-lg xl:max-w-xl">
           <div className="group flex-1 rounded-2xl rounded-br-md bg-blue-600 px-3 py-2 text-white shadow-sm sm:flex-initial sm:px-4">
-            <div dir="auto" className="whitespace-pre-wrap break-words text-sm">
+            <div className="whitespace-pre-wrap break-words text-sm">
               {message.content}
             </div>
             {message.images && message.images.length > 0 && (
@@ -405,7 +405,7 @@ const MessageComponent = memo(({ message, prevMessage, createDiff, onFileOpen, o
                 </ReasoningContent>
               </Reasoning>
             ) : (
-              <div dir="auto" className="text-sm text-gray-700 dark:text-gray-300">
+              <div className="text-sm text-gray-700 dark:text-gray-300">
                 {/* Reasoning accordion */}
                 {showThinking && message.reasoning && (
                   <Reasoning className="mb-3" defaultOpen={false}>

src/components/chat/view/subcomponents/ProviderSelectionEmptyState.tsx

@@ -321,7 +321,6 @@ export default function ProviderSelectionEmptyState({
 
           <p className="mt-3 flex items-center justify-center gap-1.5 text-center text-xs text-muted-foreground/60">
             <Trans
-              ns="chat"
               i18nKey="providerSelection.pressToSearch"
               values={{ shortcut: MOD_KEY === "⌘" ? "⌘K" : "Ctrl+K" }}
               components={{

src/contexts/WebSocketContext.tsx

@@ -36,12 +36,8 @@ const useWebSocketProviderState = (): WebSocketContextType => {
   const { token } = useAuth();
 
   useEffect(() => {
-    // The cleanup below sets unmountedRef = true. Without this reset, every
-    // re-run of the effect (e.g. on token refresh) would short-circuit connect()
-    // at its unmounted guard and leave the socket permanently disconnected.
-    unmountedRef.current = false;
     connect();
-
+    
     return () => {
       unmountedRef.current = true;
       if (reconnectTimeoutRef.current) {

vite.config.js

@@ -37,10 +37,6 @@ export default defineConfig(({ mode }) => {
         '/shell': {
           target: `ws://${proxyHost}:${serverPort}`,
           ws: true
-        },
-        '/plugin-ws': {
-          target: `ws://${proxyHost}:${serverPort}`,
-          ws: true
         }
       }
     },