ci: split release publishing from PR validation #6

	---
	# yamllint disable rule:line-length
	name: test watchdog

	# Repo-local rather than a reusable workflow because ppat/github-workflows has
	# nothing for "execute a test script" - the shellcheck workflow only lints,
	# and lint.yaml's detect-changes/job-per-linter structure exists to share one
	# change-detection matrix across many linters, which a single test job has no
	# need of. This guards process-selection safety in the memory watchdog (which
	# processes count as the editor's, and which of those may be signalled) via a
	# fixture suite, not a linter, so it does not belong in lint.yaml.

	on:
	pull_request:
	paths:
	- .github/workflows/test-watchdog.yaml
	- templates/kubernetes/homelab-workspace/script-memory-watchdog*.sh
	workflow_dispatch:

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	permissions:
	contents: read

	jobs:
	watchdog:
	runs-on: ubuntu-24.04
	timeout-minutes: 5
	steps:
	- name: Checkout
	uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
	with:
	fetch-depth: 1
	persist-credentials: false
	ref: ${{ github.head_ref \|\| github.ref }}

	- name: Run memory watchdog fixture tests
	# Exits non-zero when any assertion fails, which is what fails the build.
	# Needs nothing but bash and a writable TMPDIR: builds its fixtures under
	# mktemp -d, touches no network, finishes in a couple of seconds.
	run: ./templates/kubernetes/homelab-workspace/script-memory-watchdog-test.sh

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