Address Copilot comments

Author: onurtemizkan

packages/react/src/reactrouter-compat-utils/instrumentation.tsx

@@ -271,7 +271,11 @@ export function processResolvedRoutes(
         const windowLocation = WINDOW.location;
         if (windowLocation) {
           const capturedKey = computeLocationKey(currentLocation);
-          const currentKey = `${windowLocation.pathname}${windowLocation.search || ''}${windowLocation.hash || ''}`;
+          const currentKey = computeLocationKey({
+            pathname: windowLocation.pathname,
+            search: windowLocation.search || '',
+            hash: windowLocation.hash || '',
+          });
 
           if (currentKey !== capturedKey) {
             return;

packages/react/test/reactrouter-compat-utils/lazy-routes.test.ts

@@ -330,7 +330,7 @@ describe('reactrouter-compat-utils/lazy-routes', () => {
       expect(mockProcessResolvedRoutes).toHaveBeenCalledWith(routes, route, mockLocation);
     });
 
-    it('should pass null location when currentLocation is null', () => {
+    it('should convert null location to undefined for processResolvedRoutes', () => {
       const routes: RouteObject[] = [{ path: '/route1' }];
 
       handleAsyncHandlerResult(routes, route, handlerKey, mockProcessResolvedRoutes, null);