CI - Nightly Race Detector #4

	name: CI - Nightly Race Detector

	on:
	schedule:
	- cron: '0 6 * * *' # 06:00 UTC daily
	workflow_dispatch: # allow manual trigger

	jobs:
	race-detector:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout source
	uses: actions/checkout@v6

	- name: Cache system (apt) dependencies
	uses: actions/cache@v4
	with:
	path: apt-archives
	key: ${{ runner.os }}-apt-race-${{ hashFiles('**/.github/workflows/ci-nightly-race.yaml') }}
	restore-keys: \|
	${{ runner.os }}-apt-

	- name: Install system dependencies
	run: \|
	mkdir -p apt-archives
	sudo cp -a apt-archives /var/cache/apt/archives
	sudo apt-get update
	sudo apt-get install -y libzmq3-dev pkg-config
	cp -a /var/cache/apt/archives/*.deb apt-archives 2>/dev/null \|\| true

	- name: Extract Go version from go.mod
	run: sed -En 's/^go (.*)$/GO_VERSION=\1/p' go.mod >> "$GITHUB_ENV"

	- name: Set up Go with cache
	uses: actions/setup-go@v5
	with:
	go-version: "${{ env.GO_VERSION }}"
	cache-dependency-path: ./go.sum

	- name: Install dependencies
	run: go mod download

	- name: Run unit tests with race detector
	run: make unit-test-race

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