{
  "kind": "synthetic demonstration; not a live CRM schema",
  "payload": {
    "submission_id": "demo-enquiry-001",
    "service": "website-development",
    "email": "buyer@example.invalid",
    "source_page": "/services/websites/",
    "marketing_opt_in": false
  },
  "field_map": {
    "submission_id": "Website_Submission_ID",
    "email": "Email",
    "service": "Service_Interest",
    "source_page": "Enquiry_Page",
    "marketing_opt_in": "Marketing_Opt_In"
  }
}