added payment orchestrator optimizer tweaks

api/payments/orchestrator/config.dev.yml

@@ -44,4 +44,17 @@ card_gateways:
     funding_address: "TUaWaCkiXwYPKm5qjcB27Lhwv976vPvedE"
     fee_wallet_ref: "697a062a248dc785125ccb9e"
 
+# Batch optimizer settings:
+# - default_mode disables aggregation for unmatched traffic
+# - crypto rule enables destination aggregation for crypto rail
+optimizer:
+  aggregation:
+    default_mode: "no_optimization"
+    rules:
+      - id: "crypto_by_destination"
+        priority: 100
+        mode: "merge_by_destination"
+        match:
+          rail: "CRYPTO"
+
 # Gateway instances and capabilities are sourced from service discovery.