14.60A realistic Playwright/API project structure

Something like:

tests/
  customers/
    create.spec.ts
    update.spec.ts
    validation.spec.ts
    idempotency.spec.ts

  contacts/
    relationships.spec.ts

  async/
    customer-events.spec.ts

helpers/
  mule-api.ts
  salesforce-api.ts
  polling.ts
  test-data.ts

schemas/
  customer-response.schema.json

You already know this style well.