Merge CI triggered from @eljobe of #3

	---
	name: CI
	run-name: Merge CI triggered from @${{ github.actor }} of ${{ github.head_ref }}
	on:
	merge_group:

	jobs:
	# --- Determine which files have changed ---
	changes:
	name: Detect file changes
	runs-on: ubuntu-4
	outputs:
	arbitrator_changed: ${{ steps.changed.outputs.arbitrator_any_changed }}

	steps:
	- name: Checkout
	uses: actions/checkout@v5
	with:
	submodules: recursive
	fetch-depth: 10 # Will cover most PRs
	persist-credentials: true # In case changed-files requires deeper depth

	- name: Determine if Arbitrator changed
	id: changed
	uses: tj-actions/[email protected]
	with:
	files_yaml: \|
	arbitrator:
	- 'arbitrator/**'
	- 'contracts/**'
	- 'Makefile'

	# --- Fast: Build + Lint only (required by can_proceed) ---
	fast:
	uses: ./.github/workflows/_fast.yml
	secrets: inherit

	# --- Run Arbitrator tests (not required by can_proceed) ---
	arbitrator:
	needs: changes
	if: needs.changes.outputs.arbitrator_changed == 'true'
	uses: ./.github/workflows/_arbitrator.yml
	secrets: inherit
	with:
	run: true

	# --- Full GO tests (not required by can_proceed) ---
	go-tests:
	uses: ./.github/workflows/_go_tests.yml
	secrets: inherit

	can_proceed:
	name: can_proceed
	runs-on: ubuntu-4
	needs: [fast, arbitrator, go-tests]
	steps:
	- name: OK
	run: exit 0

	can_see_status:
	runs-on: ubuntu-4
	steps:
	- run: true

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