Cleanup params

index.tsx

@@ -6,6 +6,26 @@ import { Toaster } from 'react-hot-toast';
 import App from './App';
 import { oidcConfig } from './src/config/oidc';
 
+// Clean up stale OAuth params on page load (e.g., after logout redirect)
+// This prevents "No matching state found in storage" errors
+const cleanupStaleOAuthParams = () => {
+  const params = new URLSearchParams(window.location.search);
+  const hasOAuthParams = params.has('code') || params.has('state');
+  
+  if (hasOAuthParams) {
+    const state = params.get('state');
+    // Check if there's a matching state in storage
+    const hasMatchingState = state && localStorage.getItem(`oidc.${state}`);
+    
+    if (!hasMatchingState) {
+      // Stale params - clean them up
+      window.history.replaceState({}, document.title, window.location.pathname);
+    }
+  }
+};
+
+cleanupStaleOAuthParams();
+
 const rootElement = document.getElementById('root');
 if (!rootElement) {
   throw new Error("Could not find root element to mount to");