ci: [CI-BROWSER-01] separate source and installed browser scopes

playwright.source.config.js

@@ -0,0 +1,8 @@
+import assert from 'node:assert/strict'
+import process from 'node:process'
+import { defineConfig } from '@playwright/test'
+import base from './playwright.config.js'
+import { browserScopeConfig } from './scripts/browser-validation/scope.ts'
+
+assert(!process.env.ARTPLAYER_BROWSER_ARTIFACTS, 'Use yarn test:browser:source to isolate source fixtures')
+export default defineConfig(base, browserScopeConfig('source'))