Clean orphaned workflow runs #4

	name: Clean orphaned workflow runs

	# GitHub keeps workflow identities in the Actions sidebar after a temporary
	# workflow file is removed. Once every run for that orphan is deleted, GitHub
	# can drop the stale workflow entry too.
	on:
	schedule:
	# Daily at 06:00 UTC.
	- cron: "0 6 * * *"
	push:
	branches: [main]
	paths:
	# The first promotion to main performs the initial backlog cleanup without
	# exposing a branch-selectable manual trigger with actions:write.
	- ".github/workflows/cleanup-orphaned-workflows.yml"
	- "scripts/ci/cleanup-orphaned-workflows.mjs"

	permissions:
	actions: write # Required to delete orphaned workflow runs through the Actions API.
	contents: read

	concurrency:
	group: cleanup-orphaned-workflows
	cancel-in-progress: false

	jobs:
	cleanup:
	name: Delete orphaned workflow runs
	runs-on: ubuntu-latest
	timeout-minutes: 10
	steps:
	- name: Checkout trusted default-branch code
	uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
	with:
	persist-credentials: false

	- name: Setup Bun
	uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
	with:
	bun-version: 1.3.14

	- name: Remove stale workflow histories
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: bun scripts/ci/cleanup-orphaned-workflows.mjs

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