{
  "schema": "DAT002_CHANGED_CONTEXT_TRANSFER_v1",
  "context": "billing invoices",
  "requirements": [
    "invoice number unique within tenant",
    "amount required and positive",
    "tenant reference enforced"
  ],
  "independent": true,
  "decisive_schema_copied_from_orders": false,
  "ddl": "TO_FILL_INDEPENDENTLY",
  "operational_questions_deferred": [
    "migration sequencing",
    "concurrency/lock budget",
    "rollback/zero-downtime plan"
  ],
  "runtime_observation": "TO_FILL_FROM_RUNTIME"
}