Use mpi-extensions main Open MPI in CI - #834

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allnes wants to merge 12 commits into

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allnes:codex/use-mpi-extensions-nightly-openmpi

Commits on Jun 16, 2026

Use mpi-extensions nightly Open MPI in CI
allnes
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8667946
Move MPI setup action logic to Python
allnes
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4cd1142
Format MPI extension Python helpers
allnes
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579e0af
Require mpi-extensions prefix for MPI builds
allnes
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ac1b607
Fix MPI setup paths in container jobs
allnes
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43dcb80
Allow MPI oversubscription in macOS tests
allnes
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218ed31
Harden MPI extension setup and docs
allnes
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4305ab2
Move MPI runtime JSON generation to Python
allnes
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cf525aa
Move MPI setup action helper to scripts
allnes
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d6ee90b
Harden MPI installer extraction
allnes
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f29be7a
Preserve mpi-extensions macOS code signatures
allnes
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1f174d2
Use mpi-extensions main release channel
allnes
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e19dd76