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chore: route submissions back to ubuntu-latest, keep chonk path dormant - #483

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kim-em merged 1 commit into
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revert-to-hosted
Jul 29, 2026
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chore: route submissions back to ubuntu-latest, keep chonk path dormant#483
kim-em merged 1 commit into
mainfrom
revert-to-hosted

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@kim-em kim-em commented Jun 26, 2026

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This PR reverts the temporary all-submissions-on-chonk routing back to the default GitHub-hosted runner, now that issue #467 (the memory-heavy Erdős unit-distance proof) is solved and recorded. It unblocks the pipeline from chonk availability and keeps untrusted Lean off self-hosted hardware.

The self-hosted chonk path stays fully wired but dormant: every chonk-specific step is guarded by runner.environment != 'github-hosted', so switching back to chonk for a memory-heavy submission is a one-line runs-on flip to [self-hosted, chonk], documented inline.

🤖 Prepared with Claude Code

Issue #467 (the memory-heavy Erdős unit-distance proof) is solved and
recorded, so revert the temporary all-submissions-on-chonk routing back
to the default hosted runner. This unblocks the pipeline from chonk
availability and keeps untrusted Lean off self-hosted hardware.

The chonk path stays fully wired but dormant: every self-hosted step is
guarded by `runner.environment != 'github-hosted'`, so switching back is a
one-line `runs-on` flip to `[self-hosted, chonk]` (documented inline).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@kim-em
kim-em merged commit cac414a into main Jul 29, 2026
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