With no handler registered, Dolphin shows an alert in a modal MessageBox
on Windows, and the probe waits until someone closes it. A run that hits
an alert then looks like a hang (StarOS EXP-001). The probe now writes the
alert to stderr and exits at once with status 3.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Recover 16 modified and 6 previously untracked integration files. All 22 source SHA-256s match the pre-publication StarletOS snapshot. Add handoff instructions, byte-preserving attributes and private backup exclusion. This commit publishes existing behavior; it does not claim a new full build or hardware qualification. The two preceding local commits and staged files were screened before publication.