Block a partial publish when a build fails

[ptr727]

The one behavioral defect the audit found, and it is live today.

WORKFLOW.md D4.5 requires that a build failure block every publish target. This repo's WORKFLOW.md was missing the guarantee entirely, and the pipeline did not satisfy it.

The defect

build-docker:
needs: [get-version, validate, validate-release] # no build-executableif: ${{ !cancelled() && ... }} # cancellation only

The image builds from source and consumes no executable artifact, so the two builds were independent and nothing forced an ordering. On a real publish where build-executable fails:

Job	Before	Result
build-executable	fails	-
github-release	needs it, so it skips	no tag, no release
build-docker	untouched, runs	multi-arch image pushed, latest moves

An image shipped with no release behind it. That is exactly the partial publish D4.5 exists to prevent.

The fix

build-docker becomes the terminal publish target: it needsbuild-executable, and its if gains !failure().

The distinction that matters is failed versus skipped. A failed upstream build must stop the push; a skipped one must not, because validate is skipped on every smoke run and that run still has to build the image. !failure() draws exactly that line. The explicit get-version and validate-release result checks stay, so a job that somehow did not run cannot feed empty version inputs into a build.

Reasoning, since the failure path is not reachable from a PR

Smoke never publishes, so no pull request can exercise a failing real publish. The behavior is established from the needs graph rather than by observation:

Case	failure()	build-docker	github-release
smoke PR (validate skipped)	false	runs, push: false	skipped (!inputs.smoke)
real publish, all green	false	runs, pushes	runs
real publish, build-executable fails	true	skipped	skipped
real publish, validate fails	true	skipped	skipped
real publish, validate-release fails	true	skipped	skipped

The smoke row is the one that would break if !failure() were the wrong guard, and this PR's own CI run is that row.

Cost

On smoke, build-docker now waits for build-executable instead of running beside it, adding roughly the executable build's duration to PR feedback. Correctness over a subset of the wall clock.

D4.5 lands here, not in #40

The doc-refresh PR deliberately left it out. Stating the guarantee before implementing it would have replaced a silent gap with a false claim, so the contract and the code that satisfies it land together.

Verification

• actionlint clean.
• dotnet husky run clean, editorconfig-checker clean, hub prose gate clean on the changed lines.
• The smoke path is exercised by this PR's own checks.

Last of four in the round. Follows #39, #40 and #41. If #40 merges first this may need a trivial rebase - both touch WORKFLOW.md D4, two lines apart.

🤖 Generated with Claude Code

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 43.37%. Comparing base (39c896b) to head (3d4b882).

Additional details and impacted files

@@ Coverage Diff @@## develop #42 +/- ##
========================================
Coverage 43.37% 43.37% ========================================
Files 28 28 Lines 3896 3896 Branches 306 306 ========================================
Hits 1690 1690 Misses 2154 2154 Partials 52 52 

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[Copilot]

🟢 Ready to approve

The workflow dependency/guard changes correctly prevent Docker publishing on upstream build failure without breaking the smoke (skipped-validate) path described in the PR.

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Pull request overview

This PR closes a real release/publish correctness gap by ensuring Docker publishing cannot proceed when an upstream build job fails, aligning the workflow behavior with WORKFLOW.md’s D4.5 contract.

Changes:

• Document the “no partial publish” guarantee (D4.5) in WORKFLOW.md.
• Update the release workflow so build-docker depends on build-executable and is gated by !failure() (while still allowing skipped smoke-only validation).

File summaries

File	Description
WORKFLOW.md	Adds D4.5 to explicitly require that any failed enabled build blocks all publish targets (including Docker).
.github/workflows/build-release-task.yml	Makes build-docker depend on build-executable and adds !failure() to prevent Docker pushes when any upstream dependency failed, while preserving smoke behavior when validate is skipped.

Review details

• Files reviewed: 2/2 changed files
• Comments generated: 0
• Review effort level: Lite

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