Cell text overflows its column when the column is very narrow

Cell text overflows its column when the column is very narrow: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). I've been hitting some display glitches with narrow columns. The drawn cell text ends up wider than the column itself and spills onto the next column, so…

The task

I've been hitting some display glitches with narrow columns. The drawn cell text ends up wider than the column itself and spills onto the next column, so the whole row's alignment looks broken until I widen the column again.

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