Checkpoint web parity through Chromium input tasks

web/tests/e2e/script-manifest-budgets.spec.ts

@@ -0,0 +1,18 @@
+import { expect, test } from "@playwright/test";
+
+test("M13-02A enforces bounded script manifest text, module, path, dependency and permission limits", async ({ page }) => {
+  await page.goto("/");
+  const result = await page.evaluate(() => new Promise<Record<string, unknown>>((resolve, reject) => {
+    const worker = new Worker("/src/workers/scripting-manifest-budget-test.worker.ts", { type: "module" });
+    worker.onmessage = (event: MessageEvent<Record<string, unknown>>) => { worker.terminate(); resolve(event.data); };
+    worker.onerror = (event) => { worker.terminate(); reject(new Error(event.message)); };
+    worker.postMessage({});
+  }));
+  expect(result.valid).toEqual([2, "scripts/base.py", "deps/base.py", 256]);
+  expect(result.count).toContain("SCRIPT_BUDGET_EXCEEDED");
+  expect(result.totalBytes).toContain("SCRIPT_BUDGET_EXCEEDED");
+  expect(result.module).toContain("SCRIPT_POLICY_DENIED");
+  expect(result.path).toContain("SCRIPT_MANIFEST_INVALID");
+  expect(result.dependency).toContain("SCRIPT_MANIFEST_INVALID");
+  expect(result.permission).toContain("SCRIPT_POLICY_DENIED");
+});