ISO itself stays out of git (2.4GB), but this pointer file records
the hash + retrieval path so anyone flashing to a fresh .253-style
install knows exactly what they're getting. Summary of code landed
in this ISO listed at the bottom so the changelog isn't scattered
across commit messages.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
