feat: release design system engine, studio and component contracts

scripts/test-package-integrity.mjs

@@ -32,6 +32,20 @@ try {
     throw new Error("Safe stage did not produce deterministic SHA-256 records.");
   }
 
+  const runtimeManifest = {
+    ...manifest,
+    wrnexus: { clientRuntimes: [{ id: "chartjs", entry: "./dist/chart-runtime.js" }] },
+  };
+  let missingRuntimeRejected = false;
+  try {
+    validateAndHashStage(safe, runtimeManifest);
+  } catch (error) {
+    missingRuntimeRejected = String(error).includes("chart-runtime.js");
+  }
+  if (!missingRuntimeRejected) throw new Error("Missing client runtime was not rejected.");
+  writeFileSync(join(safe, "dist", "chart-runtime.js"), "export {};\n");
+  validateAndHashStage(safe, runtimeManifest);
+
   const forbidden = join(root, "forbidden");
   mkdirSync(forbidden);
   writeFileSync(join(forbidden, ".env"), "TOKEN=secret\n");