const test = require('node:test'); const assert = require('node:assert/strict'); const fs = require('node:fs'); const path = require('node:path'); const dir = path.resolve(__dirname, '../../examples'); test('diffuser placeholder example files exist', () => { for (const file of ['basic.flow.json', 'integration.flow.json', 'edge.flow.json']) { assert.equal(fs.existsSync(path.join(dir, file)), true); } });