From e8d22ec9eb6341a51ef9b09fc7b8e44a95fc3fd3 Mon Sep 17 00:00:00 2001
From: morluto <76467478+morluto@users.noreply.github.com>
Date: Wed, 14 Oct 2026 09:54:58 +0800
Subject: [PATCH] fix(browser): carry unknown XML ancestry through metadata
 contracts

---
 src/browser/CdpCaptureDocuments.test.ts | 14 +++++++++++++-
 src/browser/CdpCaptureDocuments.ts      |  2 +-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/browser/CdpCaptureDocuments.test.ts b/src/browser/CdpCaptureDocuments.test.ts
index 3629516051..fe67f90aa8 100644
--- a/src/browser/CdpCaptureDocuments.test.ts
+++ b/src/browser/CdpCaptureDocuments.test.ts
@@ -139,7 +139,19 @@ describe("CDP DOM string and namespace validity", () => {
     { field: "attributeValue", index: 20 },
   ] as const)(
     "omits a node when its $field string index is invalid ($index)",
-    ({ field, index, malformedString }) => {
+    ({
+      field,
+      index,
+      malformedString,
+    }: {
+      readonly field:
+        | "nodeName"
+        | "nodeValue"
+        | "attributeName"
+        | "attributeValue";
+      readonly index: number;
+      readonly malformedString?: boolean;
+    }) => {
       const strings: unknown[] = [
         origin + "/app",
         "#document",
diff --git a/src/browser/CdpCaptureDocuments.ts b/src/browser/CdpCaptureDocuments.ts
index da7eb80192..8aeee7e9a7 100644
--- a/src/browser/CdpCaptureDocuments.ts
+++ b/src/browser/CdpCaptureDocuments.ts
@@ -561,7 +561,7 @@ interface DomMetadataOptions {
   readonly nodeName: string;
   readonly allowedOrigins: ReadonlySet<string>;
   readonly svgElement: boolean;
-  readonly xmlDocument: boolean;
+  readonly xmlDocument: boolean | undefined;
   readonly xlinkHref: string | undefined;
 }