24 stac calc single asset#26

Merged

NewGraphEnvironment merged 2 commits intomainfrom

24-stac-calc-single-asset

Jan 8, 2026

Commits on Jan 8, 2026

- add single asset retrieval and RGB stacking to [ngr_spk_stac_calc()]
NewGraphEnvironment
committed
add test for rbg calc and ability to run without calc
NewGraphEnvironment
committed