Add dark-background nib mark variant #531

	name: zizmor

	# Static security analysis of the GitHub Actions workflows. Catches dangerous
	# triggers, template injection, unpinned actions and over-broad permissions so a
	# workflow-security regression fails a PR rather than landing silently. Runs on
	# every pull request and push to main so the check is always present, plus a
	# daily schedule. zizmor is pinned through the flake (nix develop), and runs
	# offline so the gate is deterministic and needs no token.

	on:
	pull_request:
	push:
	branches: [main]
	schedule:
	- cron: "41 7 * * *"

	permissions: {}

	concurrency:
	group: zizmor-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	zizmor:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	steps:
	- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
	with:
	persist-credentials: false

	- name: Install Nix
	uses: DeterminateSystems/nix-installer-action@ef8a148080ab6020fd15196c2084a2eea5ff2d25 # v22
	with:
	extra-conf: \|
	experimental-features = nix-command flakes

	- name: Cache Nix store
	uses: DeterminateSystems/magic-nix-cache-action@908b263ff629f4cc17666315b7fd3ec127c6244d # v14

	- name: Analyze workflows
	run: nix develop --command zizmor --offline .github/workflows/

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