feat: release design system engine, studio and component contracts

packages/dev-server/test/production-hmr.test.ts

@@ -39,6 +39,24 @@ const manifest: ProdManifest = {
 
 const server = { upgrade: () => false } as never;
 
+test("navigation runtime uses a content version and revalidates its stable URL", async () => {
+  const { collectScripts } = await import("../src/script-selection.ts");
+  const href = collectScripts("", [], { mode: "client" })[0] as string;
+  expect(href).toMatch(/^\/__wrnexus\/nav\.js\?v=[a-f0-9]{16}$/);
+  const handlers = createProductionHandlers(manifest, {});
+  const versioned = (await handlers.fetch(
+    new Request("http://localhost" + href),
+    server,
+  )) as Response;
+  expect(versioned.headers.get("cache-control")).toBe("no-cache");
+  expect(await versioned.text()).toContain("loadedNavigationScripts");
+  const stable = (await handlers.fetch(
+    new Request("http://localhost/__wrnexus/nav.js"),
+    server,
+  )) as Response;
+  expect(stable.headers.get("cache-control")).toBe("no-cache");
+});
+
 test("supervised production runtime injects reconnecting DOM-morph support", async () => {
   const handlers = createProductionHandlers(manifest, { developmentRuntime: true });
   const response = await handlers.fetch(new Request("http://localhost/"), server);