Get detailed settlement analysis

Example response

{
  "data": {
    "settlement": {
      "groupId": "550e8400-e29b-41d4-a716-446655440000",
      "transactionsByCurrency": {
        "USD": [
          {
            "from": "user-a",
            "to": "user-b",
            "amount": 20,
            "currency": "USD"
          },
          {
            "from": "user-c",
            "to": "user-a",
            "amount": 10,
            "currency": "USD"
          }
        ]
      },
      "totalTransactions": 3,
      "currenciesUsed": [
        "USD",
        "EUR"
      ],
      "defaultCurrency": "USD"
    },
    "metrics": {
      "totalDebt": 125.5,
      "transactionCount": 3,
      "averageTransactionAmount": 41.83,
      "maxTransactionAmount": 75.25,
      "minTransactionAmount": 15,
      "efficiencyRating": 0.85
    },
    "isValid": true,
    "originalBalances": [
      {
        "userId": "550e8400-e29b-41d4-a716-446655440000",
        "balance": -25.5,
        "userName": "John Doe"
      }
    ]
  },
  "success": true,
  "message": "Success"
}