[+] http server on http://127.0.0.1:18371/poc.html
[+] launching: /chromium/chromium/src/out/asan/chrome --headless=new --remote-debugging-pipe --no-first-run --no-default-browser-check --no-sandbox --disable-gpu --disable-dev-shm-usage --user-data-dir=/tmp/chrome-poc-profile about:blank
[+] page target: 434898A4349D65239883168D52D8DD5B
[+] attached, sessionId=DEB3A8C98C559A7EDADC6906EBD25512
[+] Input.setInterceptDrags(true)
[+] navigated to http://127.0.0.1:18371/poc.html

======================================================================
[BUG] Input.dragIntercepted payload (raw, pre-FilterURL):
{
  "data": {
    "items": [
      {
        "mimeType": "text/uri-list",
        "data": "about:blank#blocked"
      },
      {
        "mimeType": "downloadurl",
        "data": ""
      },
      {
        "mimeType": "text/plain",
        "data": "marker"
      }
    ],
    "dragOperationsMask": -1
  }
}
======================================================================
[+] dispatchDragEvent(dragEnter) -> ok
[+] dispatchDragEvent(dragOver) -> ok
[+] dispatchDragEvent(drop) -> ok

[round-trip] drop target received: {"uri":"about:blank#blocked","dl":"","text":"marker"}

======================================================================
RESULT: not reproduced (no unfiltered URLs in dragIntercepted)
======================================================================