Merge branch 'main' into fix/file-tree-concurrency

Co-authored-by: Simos Mikelatos <simosmik@gmail.com>

package.json

@@ -67,7 +67,7 @@
   "author": "CloudCLI UI Contributors",
   "license": "AGPL-3.0-or-later",
   "dependencies": {
-    "@anthropic-ai/claude-agent-sdk": "^0.2.116",
+    "@anthropic-ai/claude-agent-sdk": "^0.3.165",
     "@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 4.7 (1M context)) · $5/$25 per Mtok",
+      description: "Use the default model (currently Opus 4.8 (1M context)) · $5/$25 per Mtok",
     },
     {
       value: "sonnet",

server/index.js

@@ -1483,74 +1483,133 @@ function permToRwx(perm) {
     return r + w + x;
 }
 
+// Directories that are almost never interesting for a project tree but can
+// contain tens of thousands of files. Skipping them before recursion keeps
+// traversal time bounded on large monorepos and high-latency filesystems
+// (NFS / SMB).
+const IGNORED_DIRS = new Set([
+    // JS / TS toolchains
+    'node_modules', 'dist', 'build', '.next', '.nuxt', '.cache', '.parcel-cache',
+    // VCS
+    '.git', '.svn', '.hg',
+    // Python
+    '__pycache__', '.pytest_cache', '.mypy_cache', '.tox', 'venv', '.venv',
+    // Rust / Go / Java / Ruby
+    'target', 'vendor',
+    // Build output / IDE
+    '.gradle', '.idea', 'coverage', '.nyc_output'
+]);
+
+const DEFAULT_FS_CONCURRENCY = 64;
+const parsedFsConcurrency = Number.parseInt(process.env.FS_CONCURRENCY || '', 10);
+const FS_CONCURRENCY = Number.isFinite(parsedFsConcurrency) && parsedFsConcurrency > 0
+    ? parsedFsConcurrency
+    : DEFAULT_FS_CONCURRENCY;
+let activeFsOperations = 0;
+const pendingFsOperations = [];
+
+async function acquire() {
+    if (activeFsOperations < FS_CONCURRENCY) {
+        activeFsOperations += 1;
+        return;
+    }
+
+    await new Promise((resolve) => {
+        pendingFsOperations.push(resolve);
+    });
+}
+
+function release() {
+    const next = pendingFsOperations.shift();
+    if (next) {
+        next();
+        return;
+    }
+
+    activeFsOperations = Math.max(0, activeFsOperations - 1);
+}
+
 async function getFileTree(dirPath, maxDepth = 3, currentDepth = 0, showHidden = true) {
     // Using fsPromises from import
-    const items = [];
-
+    let entries;
     try {
-        const entries = await fsPromises.readdir(dirPath, { withFileTypes: true });
-
-        for (const entry of entries) {
-            // Debug: log all entries including hidden files
-
-
-            // Skip heavy build directories and VCS directories
-            if (entry.name === 'node_modules' ||
-                entry.name === 'dist' ||
-                entry.name === 'build' ||
-                entry.name === '.git' ||
-                entry.name === '.svn' ||
-                entry.name === '.hg') continue;
-
-            const itemPath = path.join(dirPath, entry.name);
-            const item = {
-                name: entry.name,
-                path: itemPath,
-                type: entry.isDirectory() ? 'directory' : 'file'
-            };
-
-            // Get file stats for additional metadata
-            try {
-                const stats = await fsPromises.stat(itemPath);
-                item.size = stats.size;
-                item.modified = stats.mtime.toISOString();
-
-                // Convert permissions to rwx format
-                const mode = stats.mode;
-                const ownerPerm = (mode >> 6) & 7;
-                const groupPerm = (mode >> 3) & 7;
-                const otherPerm = mode & 7;
-                item.permissions = ((mode >> 6) & 7).toString() + ((mode >> 3) & 7).toString() + (mode & 7).toString();
-                item.permissionsRwx = permToRwx(ownerPerm) + permToRwx(groupPerm) + permToRwx(otherPerm);
-            } catch (statError) {
-                // If stat fails, provide default values
-                item.size = 0;
-                item.modified = null;
-                item.permissions = '000';
-                item.permissionsRwx = '---------';
-            }
-
-            if (entry.isDirectory() && currentDepth < maxDepth) {
-                // Recursively get subdirectories but limit depth
-                try {
-                    // Check if we can access the directory before trying to read it
-                    await fsPromises.access(item.path, fs.constants.R_OK);
-                    item.children = await getFileTree(item.path, maxDepth, currentDepth + 1, showHidden);
-                } catch (e) {
-                    // Silently skip directories we can't access (permission denied, etc.)
-                    item.children = [];
-                }
-            }
-
-            items.push(item);
+        await acquire();
+        try {
+            entries = await fsPromises.readdir(dirPath, { withFileTypes: true });
+        } finally {
+            release();
         }
     } catch (error) {
         // Only log non-permission errors to avoid spam
         if (error.code !== 'EACCES' && error.code !== 'EPERM') {
             console.error('Error reading directory:', error);
         }
+        return [];
     }
 
+    const filteredEntries = entries.filter((entry) => !(entry.isDirectory() && IGNORED_DIRS.has(entry.name)));
+
+    // Process every entry in parallel. On high-latency filesystems (NFS/SMB)
+    // serial stat() was the real bottleneck — issuing them concurrently lets
+    // the kernel pipeline the round-trips and the recursive calls overlap too.
+    const items = await Promise.all(filteredEntries.map(async (entry) => {
+        const itemPath = path.join(dirPath, entry.name);
+        const item = {
+            name: entry.name,
+            path: itemPath,
+            type: entry.isDirectory() ? 'directory' : 'file'
+        };
+
+        // Get file stats for additional metadata
+        try {
+            await acquire();
+            try {
+              const stats = await fsPromises.lstat(itemPath);
+              item.size = stats.size;
+              item.modified = stats.mtime.toISOString();
+
+              // Mark symlinks so UI can distinguish them
+              if (stats.isSymbolicLink()) {
+                item.isSymlink = true;
+              }
+
+              // Convert permissions to rwx format
+              const mode = stats.mode;
+              const ownerPerm = (mode >> 6) & 7;
+              const groupPerm = (mode >> 3) & 7;
+              const otherPerm = mode & 7;
+              item.permissions =
+                ((mode >> 6) & 7).toString() +
+                ((mode >> 3) & 7).toString() +
+                (mode & 7).toString();
+              item.permissionsRwx =
+                permToRwx(ownerPerm) +
+                permToRwx(groupPerm) +
+                permToRwx(otherPerm);
+            } finally {
+                release();
+            }
+        } catch (statError) {
+            // If stat fails, provide default values
+            item.size = 0;
+            item.modified = null;
+            item.permissions = '000';
+            item.permissionsRwx = '---------';
+        }
+
+        if (entry.isDirectory() && currentDepth < maxDepth) {
+            // Recurse. Let readdir's own EACCES bubble up through the catch in
+            // the recursive call rather than doing a separate access() probe
+            // (which doubled the round-trip count on SMB without adding info).
+            // The recursive call starts with a bounded readdir; holding a permit
+            // for the whole subtree can deadlock when sibling directories are
+            // waiting on their own children.
+            item.children = await getFileTree(itemPath, maxDepth, currentDepth + 1, showHidden);
+        }
+
+        return item;
+    }));
+
     return items.sort((a, b) => {
         if (a.type !== b.type) {
             return a.type === 'directory' ? -1 : 1;

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

@@ -18,6 +18,7 @@ type ShellIncomingMessage = {
   provider?: string;
   initialCommand?: string;
   isPlainShell?: boolean;
+  forceRestart?: boolean;
 };
 
 type PtySessionEntry = {
@@ -180,6 +181,7 @@ export function handleShellConnection(
         const hasSession = readBoolean(data.hasSession);
         const provider = readString(data.provider, 'claude');
         const initialCommand = readString(data.initialCommand);
+        const forceRestart = readBoolean(data.forceRestart);
         const isPlainShell =
           readBoolean(data.isPlainShell) ||
           (!!initialCommand && !hasSession) ||
@@ -200,7 +202,7 @@ export function handleShellConnection(
             : '';
         ptySessionKey = `${projectPath}_${sessionId ?? 'default'}${commandSuffix}`;
 
-        if (isLoginCommand) {
+        if (isLoginCommand || forceRestart) {
           const oldSession = ptySessionsMap.get(ptySessionKey);
           if (oldSession) {
             if (oldSession.timeoutId) {
@@ -211,7 +213,8 @@ export function handleShellConnection(
           }
         }
 
-        const existingSession = isLoginCommand ? null : ptySessionsMap.get(ptySessionKey);
+        const existingSession =
+          isLoginCommand || forceRestart ? null : ptySessionsMap.get(ptySessionKey);
         if (existingSession) {
           shellProcess = existingSession.pty;
           if (existingSession.timeoutId) {
@@ -368,6 +371,10 @@ export function handleShellConnection(
           }
 
           const session = ptySessionsMap.get(ptySessionKey);
+          if (session && session.pty !== shellProcess) {
+            return;
+          }
+
           if (session && session.ws && session.ws.readyState === WebSocket.OPEN) {
             session.ws.send(
               JSON.stringify({
@@ -451,6 +458,10 @@ export function handleShellConnection(
 
     session.ws = null;
     session.timeoutId = setTimeout(() => {
+      if (ptySessionsMap.get(ptySessionKey as string) !== session) {
+        return;
+      }
+
       session.pty.kill();
       ptySessionsMap.delete(ptySessionKey as string);
     }, PTY_SESSION_TIMEOUT);

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

@@ -31,6 +31,24 @@ 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/view/subcomponents/ChatComposer.tsx

@@ -295,6 +295,7 @@ 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 className="whitespace-pre-wrap break-words text-sm">
+            <div dir="auto" 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 className="text-sm text-gray-700 dark:text-gray-300">
+              <div dir="auto" 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

@@ -321,6 +321,7 @@ 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/components/shell/hooks/useShellConnection.ts

@@ -2,6 +2,7 @@ import { useCallback, useEffect, useRef, useState } from 'react';
 import type { MutableRefObject } from 'react';
 import type { FitAddon } from '@xterm/addon-fit';
 import type { Terminal } from '@xterm/xterm';
+
 import type { Project, ProjectSession } from '../../../types/app';
 import { TERMINAL_INIT_DELAY_MS } from '../constants/constants';
 import { getShellWebSocketUrl, parseShellMessage, sendSocketMessage } from '../utils/socket';
@@ -31,8 +32,8 @@ type UseShellConnectionResult = {
   isConnected: boolean;
   isConnecting: boolean;
   closeSocket: () => void;
-  connectToShell: () => void;
-  disconnectFromShell: () => void;
+  connectToShell: (options?: { forceRestart?: boolean }) => void;
+  disconnectFromShell: (options?: { suppressAutoConnect?: boolean }) => void;
 };
 
 export function useShellConnection({
@@ -54,6 +55,8 @@ export function useShellConnection({
   const [isConnected, setIsConnected] = useState(false);
   const [isConnecting, setIsConnecting] = useState(false);
   const connectingRef = useRef(false);
+  const forceRestartOnInitRef = useRef(false);
+  const suppressAutoConnectRef = useRef(false);
 
   const handleProcessCompletion = useCallback(
     (output: string) => {
@@ -141,6 +144,8 @@ export function useShellConnection({
             }
 
             currentFitAddon.fit();
+            const forceRestart = forceRestartOnInitRef.current;
+            forceRestartOnInitRef.current = false;
 
             sendSocketMessage(socket, {
               type: 'init',
@@ -152,6 +157,7 @@ export function useShellConnection({
               rows: currentTerminal.rows,
               initialCommand: initialCommandRef.current,
               isPlainShell: isPlainShellRef.current,
+              forceRestart,
             });
           }, TERMINAL_INIT_DELAY_MS);
         };
@@ -177,6 +183,7 @@ export function useShellConnection({
         setIsConnected(false);
         setIsConnecting(false);
         connectingRef.current = false;
+        forceRestartOnInitRef.current = false;
       }
     },
     [
@@ -195,27 +202,40 @@ export function useShellConnection({
     ],
   );
 
-  const connectToShell = useCallback(() => {
+  const connectToShell = useCallback((options?: { forceRestart?: boolean }) => {
     if (!isInitialized || isConnected || isConnecting || connectingRef.current) {
       return;
     }
 
+    forceRestartOnInitRef.current = Boolean(options?.forceRestart);
+    suppressAutoConnectRef.current = false;
     connectingRef.current = true;
     setIsConnecting(true);
     connectWebSocket(true);
   }, [connectWebSocket, isConnected, isConnecting, isInitialized]);
 
-  const disconnectFromShell = useCallback(() => {
+  const disconnectFromShell = useCallback((options?: { suppressAutoConnect?: boolean }) => {
+    if (options?.suppressAutoConnect) {
+      suppressAutoConnectRef.current = true;
+    }
+
     closeSocket();
     clearTerminalScreen();
     setIsConnected(false);
     setIsConnecting(false);
     connectingRef.current = false;
+    forceRestartOnInitRef.current = false;
     setAuthUrl('');
   }, [clearTerminalScreen, closeSocket, setAuthUrl]);
 
   useEffect(() => {
-    if (!autoConnect || !isInitialized || isConnecting || isConnected) {
+    if (
+      !autoConnect ||
+      suppressAutoConnectRef.current ||
+      !isInitialized ||
+      isConnecting ||
+      isConnected
+    ) {
       return;
     }
 

src/components/shell/types/types.ts

@@ -1,6 +1,7 @@
 import type { MutableRefObject, RefObject } from 'react';
 import type { FitAddon } from '@xterm/addon-fit';
 import type { Terminal } from '@xterm/xterm';
+
 import type { Project, ProjectSession } from '../../../types/app';
 
 export type AuthCopyStatus = 'idle' | 'copied' | 'failed';
@@ -15,6 +16,7 @@ export type ShellInitMessage = {
   rows: number;
   initialCommand: string | null | undefined;
   isPlainShell: boolean;
+  forceRestart?: boolean;
 };
 
 export type ShellResizeMessage = {
@@ -69,8 +71,8 @@ export type UseShellRuntimeResult = {
   isConnecting: boolean;
   authUrl: string;
   authUrlVersion: number;
-  connectToShell: () => void;
-  disconnectFromShell: () => void;
+  connectToShell: (options?: { forceRestart?: boolean }) => void;
+  disconnectFromShell: (options?: { suppressAutoConnect?: boolean }) => void;
   openAuthUrlInBrowser: (url?: string) => boolean;
   copyAuthUrlToClipboard: (url?: string) => Promise<boolean>;
 };

src/components/shell/view/Shell.tsx

@@ -1,5 +1,6 @@
 import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import { useTranslation } from 'react-i18next';
+
 import '@xterm/xterm/css/xterm.css';
 import type { Project, ProjectSession } from '../../../types/app';
 import {
@@ -13,6 +14,7 @@ import {
 import { useShellRuntime } from '../hooks/useShellRuntime';
 import { sendSocketMessage } from '../utils/socket';
 import { getSessionDisplayName } from '../utils/auth';
+
 import ShellConnectionOverlay from './subcomponents/ShellConnectionOverlay';
 import ShellEmptyState from './subcomponents/ShellEmptyState';
 import ShellHeader from './subcomponents/ShellHeader';
@@ -46,6 +48,8 @@ export default function Shell({
   const [isRestarting, setIsRestarting] = useState(false);
   const [cliPromptOptions, setCliPromptOptions] = useState<CliPromptOption[] | null>(null);
   const promptCheckTimer = useRef<ReturnType<typeof setTimeout> | null>(null);
+  const restartTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null);
+  const restartAfterInitRef = useRef(false);
   const onOutputRef = useRef<(() => void) | null>(null);
 
   const {
@@ -140,6 +144,7 @@ export default function Shell({
   useEffect(() => {
     return () => {
       if (promptCheckTimer.current) clearTimeout(promptCheckTimer.current);
+      if (restartTimerRef.current) clearTimeout(restartTimerRef.current);
     };
   }, []);
 
@@ -190,12 +195,42 @@ export default function Shell({
   );
 
   const handleRestartShell = useCallback(() => {
+    restartAfterInitRef.current = true;
     setIsRestarting(true);
-    window.setTimeout(() => {
+    if (restartTimerRef.current) {
+      clearTimeout(restartTimerRef.current);
+    }
+    restartTimerRef.current = setTimeout(() => {
       setIsRestarting(false);
+      restartTimerRef.current = null;
     }, SHELL_RESTART_DELAY_MS);
   }, []);
 
+  const handleDisconnectShell = useCallback(() => {
+    restartAfterInitRef.current = false;
+    if (restartTimerRef.current) {
+      clearTimeout(restartTimerRef.current);
+      restartTimerRef.current = null;
+    }
+    setIsRestarting(false);
+    disconnectFromShell({ suppressAutoConnect: true });
+  }, [disconnectFromShell]);
+
+  useEffect(() => {
+    if (
+      !restartAfterInitRef.current ||
+      isRestarting ||
+      !isInitialized ||
+      isConnected ||
+      isConnecting
+    ) {
+      return;
+    }
+
+    restartAfterInitRef.current = false;
+    connectToShell({ forceRestart: true });
+  }, [connectToShell, isConnected, isConnecting, isInitialized, isRestarting]);
+
   if (!selectedProject) {
     return (
       <ShellEmptyState
@@ -254,7 +289,7 @@ export default function Shell({
         isRestarting={isRestarting}
         hasSession={Boolean(selectedSession)}
         sessionDisplayNameShort={sessionDisplayNameShort}
-        onDisconnect={disconnectFromShell}
+        onDisconnect={handleDisconnectShell}
         onRestart={handleRestartShell}
         statusNewSessionText={t('shell.status.newSession')}
         statusInitializingText={t('shell.status.initializing')}
@@ -263,7 +298,7 @@ export default function Shell({
         disconnectTitle={t('shell.actions.disconnectTitle')}
         restartLabel={t('shell.actions.restart')}
         restartTitle={t('shell.actions.restartTitle')}
-        disableRestart={isRestarting || isConnected}
+        disableRestart={isRestarting || !isInitialized}
       />
 
       <div className="relative flex-1 overflow-hidden p-2">
@@ -281,7 +316,7 @@ export default function Shell({
             connectLabel={t('shell.actions.connect')}
             connectTitle={t('shell.actions.connectTitle')}
             connectingLabel={t('shell.connecting')}
-            onConnect={connectToShell}
+            onConnect={handleRestartShell}
           />
         )}
 

src/components/shell/view/subcomponents/ShellConnectionOverlay.tsx

@@ -1,3 +1,5 @@
+import { Loader2, RotateCcw } from 'lucide-react';
+
 type ShellConnectionOverlayProps = {
   mode: 'loading' | 'connect' | 'connecting';
   description: string;
@@ -19,40 +21,42 @@ export default function ShellConnectionOverlay({
 }: ShellConnectionOverlayProps) {
   if (mode === 'loading') {
     return (
-      <div className="absolute inset-0 flex items-center justify-center bg-gray-900 bg-opacity-90">
-        <div className="text-white">{loadingLabel}</div>
+      <div className="absolute inset-0 z-20 flex items-center justify-center bg-gray-950/90">
+        <div className="inline-flex items-center gap-2 text-sm font-medium text-gray-100">
+          <Loader2 className="h-4 w-4 animate-spin text-blue-300" aria-hidden="true" />
+          <span>{loadingLabel}</span>
+        </div>
       </div>
     );
   }
 
   if (mode === 'connect') {
     return (
-      <div className="absolute inset-0 flex items-center justify-center bg-gray-900 bg-opacity-90 p-4">
-        <div className="w-full max-w-sm text-center">
+      <div className="absolute inset-0 z-20 flex items-center justify-center bg-gray-950/90 p-6">
+        <div className="flex w-full max-w-md flex-col items-center gap-3 text-center">
           <button
+            type="button"
             onClick={onConnect}
-            className="flex w-full items-center justify-center space-x-2 rounded-lg bg-green-600 px-6 py-3 text-base font-medium text-white transition-colors hover:bg-green-700 sm:w-auto"
+            className="pointer-events-auto inline-flex min-h-12 w-full max-w-xs cursor-pointer items-center justify-center gap-2 rounded-md bg-emerald-600 px-5 py-3 text-base font-semibold text-white shadow-lg shadow-emerald-950/30 transition-colors hover:bg-emerald-500 focus:outline-none focus:ring-2 focus:ring-emerald-300 focus:ring-offset-2 focus:ring-offset-gray-950 active:bg-emerald-700"
             title={connectTitle}
           >
-            <svg className="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 10V3L4 14h7v7l9-11h-7z" />
-            </svg>
-            <span>{connectLabel}</span>
+            <RotateCcw className="h-4 w-4" aria-hidden="true" />
+            <span className="min-w-0 truncate">{connectLabel}</span>
           </button>
-          <p className="mt-3 px-2 text-sm text-gray-400">{description}</p>
+          <p className="max-w-md break-words px-2 text-sm leading-6 text-gray-300">{description}</p>
         </div>
       </div>
     );
   }
 
   return (
-    <div className="absolute inset-0 flex items-center justify-center bg-gray-900 bg-opacity-90 p-4">
-      <div className="w-full max-w-sm text-center">
-        <div className="flex items-center justify-center space-x-3 text-yellow-400">
-          <div className="h-6 w-6 animate-spin rounded-full border-2 border-yellow-400 border-t-transparent"></div>
+    <div className="absolute inset-0 z-20 flex items-center justify-center bg-gray-950/90 p-6">
+      <div className="flex w-full max-w-md flex-col items-center gap-3 text-center">
+        <div className="flex items-center justify-center gap-3 text-yellow-300">
+          <Loader2 className="h-5 w-5 animate-spin" aria-hidden="true" />
           <span className="text-base font-medium">{connectingLabel}</span>
         </div>
-        <p className="mt-3 px-2 text-sm text-gray-400">{description}</p>
+        <p className="max-w-md break-words px-2 text-sm leading-6 text-gray-300">{description}</p>
       </div>
     </div>
   );

src/components/shell/view/subcomponents/ShellHeader.tsx

@@ -1,3 +1,5 @@
+import { RotateCcw, X } from 'lucide-react';
+
 type ShellHeaderProps = {
   isConnected: boolean;
   isInitialized: boolean;
@@ -50,34 +52,27 @@ export default function ShellHeader({
           {isRestarting && <span className="text-xs text-blue-400">{statusRestartingText}</span>}
         </div>
 
-        <div className="flex items-center space-x-3">
+        <div className="flex items-center gap-2">
           {isConnected && (
             <button
+              type="button"
               onClick={onDisconnect}
-              className="flex items-center space-x-1 rounded bg-red-600 px-3 py-1 text-xs text-white hover:bg-red-700"
+              className="inline-flex h-8 items-center gap-1.5 rounded-md bg-red-600 px-3 text-xs font-medium text-white transition-colors hover:bg-red-700 focus:outline-none focus:ring-2 focus:ring-red-400/70 focus:ring-offset-2 focus:ring-offset-gray-800"
               title={disconnectTitle}
             >
-              <svg className="h-3 w-3" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
-              </svg>
+              <X className="h-3.5 w-3.5" aria-hidden="true" />
               <span>{disconnectLabel}</span>
             </button>
           )}
 
           <button
+            type="button"
             onClick={onRestart}
             disabled={disableRestart}
-            className="flex items-center space-x-1 text-xs text-gray-400 hover:text-white disabled:cursor-not-allowed disabled:opacity-50"
+            className="inline-flex h-8 items-center gap-1.5 rounded-md border border-gray-600/80 bg-gray-700/70 px-3 text-xs font-medium text-gray-100 transition-colors hover:border-blue-400/70 hover:bg-blue-600/80 hover:text-white focus:outline-none focus:ring-2 focus:ring-blue-400/70 focus:ring-offset-2 focus:ring-offset-gray-800 disabled:cursor-not-allowed disabled:border-transparent disabled:bg-transparent disabled:text-gray-500 disabled:opacity-60"
             title={restartTitle}
           >
-            <svg className="h-3 w-3" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-              <path
-                strokeLinecap="round"
-                strokeLinejoin="round"
-                strokeWidth={2}
-                d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"
-              />
-            </svg>
+            <RotateCcw className={`h-3.5 w-3.5 ${isRestarting ? 'animate-spin' : ''}`} aria-hidden="true" />
             <span>{restartLabel}</span>
           </button>
         </div>

src/contexts/WebSocketContext.tsx

@@ -36,6 +36,10 @@ 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 () => {

src/i18n/locales/en/chat.json

@@ -229,7 +229,7 @@
       "disconnect": "Disconnect",
       "disconnectTitle": "Disconnect from shell",
       "restart": "Restart",
-      "restartTitle": "Restart Shell (disconnect first)",
+      "restartTitle": "Restart Shell",
       "connect": "Continue in Shell",
       "connectTitle": "Connect to shell"
     },

vite.config.js

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