I'm passing cutoff time into Entity.head() / EntitySet.head() , but the rows I get back still include…

I'm passing cutoff time into Entity.head() / EntitySet.head() , but the rows I get back still include…: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). The filtering location, helper structure, and internal data flow are implementation details. Preserve the…

The task

The filtering location, helper structure, and internal data flow are implementation details. Preserve the existing public API shape for `Entity.head`, `EntitySet.head`, and `Variable.head`, and make the externally visible returned data and errors match the behaviors above.

Part of FineEnvs/MiMo-V2.6-RL-harbor-code.