Add Z Bank mainnet payment presets

services/settlement-middleware/src/api/routes/settlement.ts

@@ -224,6 +224,8 @@ export function createSettlementRouter(): Router {
           targetChainId: body.convertToCrypto?.targetChainId ?? 138,
           tokenLineId: body.convertToCrypto?.tokenLineId ?? `${body.currency ?? 'USD'}-M2`,
           recipientAddress: body.convertToCrypto?.recipientAddress ?? '',
+          symbol: body.convertToCrypto?.symbol,
+          tokenAddress: body.convertToCrypto?.tokenAddress,
         },
         moneyLayers: ['M2', 'M3'],
       });

services/settlement-middleware/src/workflows/external-transfer.ts

@@ -160,6 +160,8 @@ export async function processExternalTransfer(
         recipient: req.convertToCrypto.recipientAddress,
         settlementRef: record.settlementId,
         dryRun: !cfg.production.allowChainMintExecute,
+        symbol: req.convertToCrypto.symbol,
+        tokenAddress: req.convertToCrypto.tokenAddress,
       });
       advance('CHAIN_MINT_REQUESTED', { chainTxHash: mint.txHash });
     } else {