feat: promote by explicit content sha + build Step Summary with copy-… #5

	name: move-major-tag

	# On every semver release tag (vX.Y.Z), force-move the sliding MAJOR tag vX to it,
	# so consumers can pin `@v0` (or `@v1` once 1.x ships) and always get the latest
	# backward-compatible reusable workflows. While the project is 0.x the major is `v0`.
	#
	# Safe by construction: publish.yml triggers on `v..*` only, so moving a non-semver
	# tag (v0) never loop-triggers a publish; and a tag pushed by GITHUB_TOKEN does not
	# retrigger any workflow.
	on:
	push:
	tags: ["v..*"]

	permissions:
	contents: write

	jobs:
	move:
	runs-on: ubuntu-24.04
	steps:
	- uses: actions/checkout@v7
	- name: Force-move sliding major tag
	env:
	TAG: ${{ github.ref_name }}
	run: \|
	MAJOR="${TAG%%.*}" # v0.4.1 -> v0
	git tag -f "$MAJOR" "$TAG"
	git push -f origin "refs/tags/$MAJOR"

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