{
  "synthetic_only": true,
  "instruction": "Use these purpose-built scenarios only. Do not mask and submit real transactions.",
  "expected_outcomes": [
    "PROCEED",
    "REVIEW",
    "STOP"
  ],
  "examples": [
    {
      "id": "normal-payment",
      "label": "Normal repeat payment",
      "expected": "PROCEED",
      "description": "Known active vendor, familiar amount, new invoice, and unchanged destination.",
      "request": {
        "proposal": {
          "transaction_id": "AUX-DEMO-001",
          "vendor": {
            "id": "V-104",
            "name": "Acme Industrial Supply LLC",
            "corporate_status": "active",
            "sanctioned": false,
            "address_match": true,
            "lookalike_domain": false
          },
          "invoice": {
            "number": "INV-1004",
            "amount": 10850
          },
          "payment": {
            "bank_fingerprint": "bank_acme_8821"
          }
        },
        "transaction_history": [
          {
            "vendor_id": "V-104",
            "invoice_number": "INV-1001",
            "amount": 9800,
            "bank_fingerprint": "bank_acme_8821"
          },
          {
            "vendor_id": "V-104",
            "invoice_number": "INV-1002",
            "amount": 10400,
            "bank_fingerprint": "bank_acme_8821"
          },
          {
            "vendor_id": "V-104",
            "invoice_number": "INV-1003",
            "amount": 10150,
            "bank_fingerprint": "bank_acme_8821"
          }
        ]
      }
    },
    {
      "id": "bank-change",
      "label": "Unexpected bank change",
      "expected": "REVIEW",
      "description": "The invoice amount looks normal, but the payment destination has changed.",
      "request": {
        "proposal": {
          "transaction_id": "AUX-DEMO-002",
          "vendor": {
            "id": "V-104",
            "name": "Acme Industrial Supply LLC",
            "corporate_status": "active",
            "sanctioned": false,
            "address_match": true,
            "lookalike_domain": false
          },
          "invoice": {
            "number": "INV-1005",
            "amount": 11200
          },
          "payment": {
            "bank_fingerprint": "bank_unknown_3104"
          }
        },
        "transaction_history": [
          {
            "vendor_id": "V-104",
            "invoice_number": "INV-1001",
            "amount": 9800,
            "bank_fingerprint": "bank_acme_8821"
          },
          {
            "vendor_id": "V-104",
            "invoice_number": "INV-1002",
            "amount": 10400,
            "bank_fingerprint": "bank_acme_8821"
          },
          {
            "vendor_id": "V-104",
            "invoice_number": "INV-1003",
            "amount": 10150,
            "bank_fingerprint": "bank_acme_8821"
          }
        ]
      }
    },
    {
      "id": "duplicate-invoice",
      "label": "Duplicate invoice",
      "expected": "STOP",
      "description": "The submitted invoice number already appears in the buyer's transaction history.",
      "request": {
        "proposal": {
          "transaction_id": "AUX-DEMO-003",
          "vendor": {
            "id": "V-104",
            "name": "Acme Industrial Supply LLC",
            "corporate_status": "active",
            "sanctioned": false,
            "address_match": true,
            "lookalike_domain": false
          },
          "invoice": {
            "number": "INV-1002",
            "amount": 10400
          },
          "payment": {
            "bank_fingerprint": "bank_acme_8821"
          }
        },
        "transaction_history": [
          {
            "vendor_id": "V-104",
            "invoice_number": "INV-1001",
            "amount": 9800,
            "bank_fingerprint": "bank_acme_8821"
          },
          {
            "vendor_id": "V-104",
            "invoice_number": "INV-1002",
            "amount": 10400,
            "bank_fingerprint": "bank_acme_8821"
          },
          {
            "vendor_id": "V-104",
            "invoice_number": "INV-1003",
            "amount": 10150,
            "bank_fingerprint": "bank_acme_8821"
          }
        ]
      }
    }
  ]
}