update to better randx.Rand usage, and add this to fixed, mpifixed to provide replicable results in v1.25 which has an initially random global source

update core, lab

update core, lab

update badges

skip esg test -- need to fix random seed issues

update workflow

go mod update latest core

env.Env interface no longer specifies Action so it can be more flexible in what args it takes (in particular, taking enums instead of strings!)

Merge pull request #142 from emer/xyzplan

xyzplan: update to surface instead of Background

xyzplan: go mod update

ringidx minor cleanup

revert GPU default setting -- turns out all my .toml files still had .Run.GPU not top-level, so that was the real issue.

egui config: only change GPU if platform is Web -- otherwise leave as specified in config / defaults

egui.ScriptFieldWidget