fix(web): harden route transitions and monitor memory

vehicle-data-platform/apps/web/src/v2/routing/routeModules.test.ts

@@ -0,0 +1,11 @@
+import { describe, expect, it } from 'vitest';
+import { routeSectionForPath } from './routeModules';
+
+describe('route module preloading', () => {
+  it('maps nested and parameterized URLs to the correct lazy module', () => {
+    expect(routeSectionForPath('/monitor')).toBe('monitor');
+    expect(routeSectionForPath('/vehicles/LTEST001?tab=telemetry')).toBe('vehicles');
+    expect(routeSectionForPath('/alerts/rules#editor')).toBe('alerts');
+    expect(routeSectionForPath('/not-a-platform-route')).toBeUndefined();
+  });
+});