fix(macos): chat history loading slow problem (#212)

Co-authored-by: Cursor Agent <cursoragent@cursor.com>
Co-authored-by: Haze <hazeone@users.noreply.github.com>

electron/main/index.ts

@@ -17,13 +17,21 @@ import { ClawHubService } from '../gateway/clawhub';
 import { ensureClawXContext, repairClawXOnlyBootstrapFiles } from '../utils/openclaw-workspace';
 import { isQuitting, setQuitting } from './app-state';
 
-// Disable GPU acceleration only on Linux where GPU driver issues are common.
-// On Windows and macOS, hardware acceleration is essential for responsive UI;
-// forcing CPU rendering makes the main thread compete with sync I/O and
-// contributes to "Not Responding" hangs.
-if (process.platform === 'linux') {
-  app.disableHardwareAcceleration();
-}
+// Disable GPU hardware acceleration globally for maximum stability across
+// all GPU configurations (no GPU, integrated, discrete).
+//
+// Rationale (following VS Code's philosophy):
+// - Page/file loading is async data fetching — zero GPU dependency.
+// - The original per-platform GPU branching was added to avoid CPU rendering
+//   competing with sync I/O on Windows, but all file I/O is now async
+//   (fs/promises), so that concern no longer applies.
+// - Software rendering is deterministic across all hardware; GPU compositing
+//   behaviour varies between vendors (Intel, AMD, NVIDIA, Apple Silicon) and
+//   driver versions, making it the #1 source of rendering bugs in Electron.
+//
+// Users who want GPU acceleration can pass `--enable-gpu` on the CLI or
+// set `"disable-hardware-acceleration": false` in the app config (future).
+app.disableHardwareAcceleration();
 
 // Global references
 let mainWindow: BrowserWindow | null = null;

src/pages/Chat/index.tsx

@@ -38,14 +38,19 @@ export function Chat() {
   const messagesEndRef = useRef<HTMLDivElement>(null);
   const [streamingTimestamp, setStreamingTimestamp] = useState<number>(0);
 
-  // Load data when gateway is running
+  // Load data when gateway is running.
+  // When the store already holds messages for this session (i.e. the user
+  // is navigating *back* to Chat), use quiet mode so the existing messages
+  // stay visible while fresh data loads in the background.  This avoids
+  // an unnecessary messages → spinner → messages flicker.
   useEffect(() => {
     if (!isGatewayRunning) return;
     let cancelled = false;
+    const hasExistingMessages = useChatStore.getState().messages.length > 0;
     (async () => {
       await loadSessions();
       if (cancelled) return;
-      await loadHistory();
+      await loadHistory(hasExistingMessages);
     })();
     return () => {
       cancelled = true;