The id 0012_ansible_run_triggered_by_nullable was 38 chars; alembic_version.
version_num is VARCHAR(32), so stamping it raised StringDataRightTruncationError
and the boot/migrate integration lane failed. Renamed to 0012_ansible_run_nullable.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
