From 1ed8f4ad4a361e54e37e004432e1bb6cd02a6a8a Mon Sep 17 00:00:00 2001
From: Xiangzhe <bakryun0718@proton.me>
Date: Wed, 26 Aug 2026 18:59:04 -0300
Subject: [PATCH] test(video): prove fail-closed transcript inspection

---
 tests/unit/request-log-payloads.test.ts | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/tests/unit/request-log-payloads.test.ts b/tests/unit/request-log-payloads.test.ts
index 714722d553..788cdac557 100644
--- a/tests/unit/request-log-payloads.test.ts
+++ b/tests/unit/request-log-payloads.test.ts
@@ -573,6 +573,29 @@ test("bounds cyclic objects and fails closed when the transcript-security depth
   assert.equal(omittedDeep, VIDEO_TRANSCRIPT_LOG_OMISSION_MARKER);
 });
 
+test("fails closed when enumerable getters or proxies throw during transcript inspection", () => {
+  const throwingGetter: Record<string, unknown> = {};
+  Object.defineProperty(throwingGetter, "nested", {
+    enumerable: true,
+    get() {
+      throw new Error("PRIVATE_GETTER_TRANSCRIPT_SENTINEL");
+    },
+  });
+  const throwingProxy = new Proxy<Record<string, unknown>>(
+    {},
+    {
+      ownKeys() {
+        throw new Error("PRIVATE_PROXY_TRANSCRIPT_SENTINEL");
+      },
+    }
+  );
+
+  for (const payload of [throwingGetter, throwingProxy]) {
+    assert.equal(containsVideoTranscriptForLog(payload), true);
+    assert.equal(omitVideoTranscriptForLog(payload), VIDEO_TRANSCRIPT_LOG_OMISSION_MARKER);
+  }
+});
+
 test("fails closed at the aggregate traversal budget before a tail video transcript can leak", () => {
   const privateTranscript = "private over-budget video transcript sentinel";
   const payload: unknown[] = Array.from(