{
  "$schema":"http://json-schema.org/draft-07/schema#",
  "title":"Synthetic four-field quote payload",
  "type":"object",
  "additionalProperties":false,
  "required":["quote_id","job_ref","part","total"],
  "properties":{"quote_id":{"type":"string"},"job_ref":{"type":"string"},"part":{"type":"string"},"total":{"type":"number"}}
}