Checkpoint web parity through Chromium input tasks

web/tests/e2e/script-host-call.spec.ts

@@ -0,0 +1,14 @@
+import { expect, test } from "@playwright/test";
+
+test("M13-03C exposes only structured allowlisted host calls", async ({ page }) => {
+  await page.goto("/");
+  const result = await page.evaluate(() => new Promise<Record<string, any>>((resolve, reject) => {
+    const worker = new Worker("/src/workers/script-host-call-test.worker.ts", { type: "module" });
+    worker.onmessage = (event: MessageEvent<Record<string, any>>) => { worker.terminate(); resolve(event.data); };
+    worker.onerror = (event) => { worker.terminate(); reject(new Error(event.message)); };
+    worker.postMessage({});
+  }));
+  expect(result.accepted.map((item: any) => item.call)).toEqual(["READ_MAIN", "READ_ASSET", "WRITE_MAIN", "WRITE_ASSET", "SUBMIT_SERVER_JOB"]);
+  expect(result.accepted.every((item: any) => item.execution === "DISABLED")).toBe(true);
+  expect(result.blocked).toEqual({ unknown: "SCRIPT_POLICY_DENIED", permission: "SCRIPT_POLICY_DENIED", fields: "SCRIPT_MANIFEST_INVALID", path: "SCRIPT_MANIFEST_INVALID" });
+});