updates to resid at surface#895

Draft

pmocz wants to merge 3 commits intomainfrom

pmocz/bugfix/resid_norm

Commits on Dec 4, 2025

test new resid, scale fixed at beginning
pmocz
committed

Commits on Dec 5, 2025

[ci optional] address thermohaline, full test
Debraheem
committed

Commits on Dec 8, 2025

[ci optional] full test
Debraheem
committed