Working with RGB(A) imagery is rough around the edges

Working with RGB(A) imagery is rough around the edges: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). I've been trying to do a pretty plain RGB workflow with datacube — read a 3-band GeoTIFF, peek at its geo info, do a tiny bit of processing, then write it back…