fix: rotate PWA cache and restrict runtime caching

app/docs.test.ts

@@ -135,6 +135,8 @@ test("site includes core guides and production configuration", () => {
   expect(config).toContain(
     '"style-src": ["\'self\'", "\'unsafe-inline\'", "https://fonts.googleapis.com"]',
   );
+  expect(config).toContain('cacheName: "wrnexus-pwa-v2"');
+  expect(config).toContain('pattern: "^https://wrnexusjs\\\\.dev/"');
 });
 
 test("language reference covers directives, events, loops, and conditionals", () => {