union system updated for McXtrace 3#2282

Draft

ebknudsen wants to merge 11 commits intomccode-dev:mainfrom

ebknudsen:imbibe_HALOupdates

Commits on Dec 19, 2025

Commits on Jan 21, 2026

Transition McXtrace to union-lib
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committed

Commits on Jan 24, 2026

Attempt use of mamba to work around seemingly hung conda solver / McXtrace ubuntu
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committed

Commits on Feb 21, 2026

Manual (halfway) merge based on comp from main
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committed