fix(ci): revert publish-* runs-on pin — docker label not yet registered (#576/#599 followup) #607

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infra-lead wants to merge 1 commits from infra/revert-publish-runs-on-pin into main

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Author SHA1 Message Date
3ea24916d0 [infra-lead-agent] fix(ci): revert publish-* runs-on pin — docker label not yet registered (#576/#599 followup)
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#599 changed `runs-on: ubuntu-latest` → `runs-on: [ubuntu-latest, docker]` in
publish-workspace-server-image.yml + publish-canvas-image.yml to gate jobs onto
docker-capable runners. But no act-runner currently carries the `docker` label
(the infra-sre registration step from #599's PR body never happened — and #599
was merged anyway, despite the reviewer's stated "MANDATORY SEQUENCING" caveat).
Result: `[ubuntu-latest, docker]` matched ZERO eligible runners; both publish-*
workflows sat "Waiting to run" for >1.5h across main HEADs 41bb9e4849a4c3a7.
That's strictly worse than the pre-#599 coin-flip (~50% success).

This reverts the `runs-on` to `ubuntu-latest` to restore scheduling. Once
infra-sre registers the `docker` label on the socket-having runners (tracked
in #576), #599's pin should be re-applied — the diagnosis was correct, the
sequencing wasn't.

Workflow-only change → §SOP-13 §3 carve-out (tier:low). Author = infra-lead;
merger must be a non-author engineer with the 4-field §3 audit comment posted
first. Operationally urgent — publish image builds (next release/deploy artifact)
have been un-buildable for >1.5h.
2026-05-11 23:43:13 +00:00