Attempt 1:
PermissionError on screen-result.json / BitBlt Win32 error 5 under read-only.
EXIT=1
Attempt 2 after Allow once:
{"event": "summary", "savedImages": 5, "complete": true, "mediaSaved": true, "width": 3840, "height": 2160, "bytes": 609314, "sha256": "95aa3e7360de0f312d13fb8cabce654876f000bc9957c82450e05e0a5bb451bc"}