New comments section in the requests/responses

Makefile

@@ -1,10 +1,31 @@
 # Sendico Development Environment - Makefile
 # Docker Compose + Makefile build system
 
-.PHONY: help init build up down restart logs rebuild clean vault-init proto generate generate-api generate-frontend update update-api update-frontend test test-api test-frontend
+.PHONY: help init build up down restart logs rebuild clean vault-init proto generate generate-api generate-frontend update update-api update-frontend test test-api test-frontend backend-up backend-down backend-rebuild
 
 COMPOSE := docker compose -f docker-compose.dev.yml --env-file .env.dev
 SERVICE ?=
+BACKEND_SERVICES := \
+	dev-discovery \
+	dev-fx-oracle \
+	dev-fx-ingestor \
+	dev-billing-fees \
+	dev-billing-documents \
+	dev-ledger \
+	dev-payments-orchestrator \
+	dev-payments-quotation \
+	dev-payments-methods \
+	dev-chain-gateway-vault-agent \
+	dev-chain-gateway \
+	dev-tron-gateway-vault-agent \
+	dev-tron-gateway \
+	dev-aurora-gateway \
+	dev-tgsettle-gateway \
+	dev-notification \
+	dev-callbacks-vault-agent \
+	dev-callbacks \
+	dev-bff-vault-agent \
+	dev-bff
 
 # Colors
 GREEN  := \033[0;32m
@@ -31,6 +52,9 @@ help:
 	@echo "$(YELLOW)Selective Operations:$(NC)"
 	@echo "  make infra-up           Start infrastructure only (mongo, nats, vault)"
 	@echo "  make services-up        Start application services only"
+	@echo "  make backend-up         Start backend services only (no infrastructure/frontend)"
+	@echo "  make backend-down       Stop backend services only"
+	@echo "  make backend-rebuild    Rebuild and restart backend services only"
 	@echo "  make list-services      List all available services"
 	@echo ""
 	@echo "$(YELLOW)Build Groups:$(NC)"
@@ -229,6 +253,21 @@ services-up:
 		dev-bff \
 		dev-frontend
 
+# Backend services only (no infrastructure, no frontend)
+backend-up:
+	@echo "$(GREEN)Starting backend services only (no infra changes)...$(NC)"
+	@$(COMPOSE) up -d --no-deps $(BACKEND_SERVICES)
+
+backend-down:
+	@echo "$(YELLOW)Stopping backend services only...$(NC)"
+	@$(COMPOSE) stop $(BACKEND_SERVICES)
+
+backend-rebuild:
+	@echo "$(GREEN)Rebuilding backend services only (no infra changes)...$(NC)"
+	@$(COMPOSE) build $(BACKEND_SERVICES)
+	@$(COMPOSE) up -d --no-deps --force-recreate $(BACKEND_SERVICES)
+	@echo "$(GREEN)✅ Backend services rebuilt$(NC)"
+
 # Status check
 status:
 	@$(COMPOSE) ps

README.md

@@ -24,6 +24,7 @@ Financial services platform providing payment orchestration, ledger accounting,
 | FX Ingestor | `api/fx/ingestor/` | FX rate ingestion |
 | Gateway Chain | `api/gateway/chain/` | EVM blockchain gateway |
 | Gateway TRON | `api/gateway/tron/` | TRON blockchain gateway |
+| Gateway Aurora | `api/gateway/aurora/` | Card payouts simulator |
 | Gateway MNTX | `api/gateway/mntx/` | Card payouts |
 | Gateway TGSettle | `api/gateway/tgsettle/` | Telegram settlements with MNTX |
 | Notification | `api/notification/` | Notifications |
@@ -31,6 +32,16 @@ Financial services platform providing payment orchestration, ledger accounting,
 | Callbacks | `api/edge/callbacks/` | Webhook callbacks delivery |
 | Frontend | `frontend/pweb/` | Flutter web UI |
 
+Gateway note: current dev compose workflows (`make services-up`, `make build-gateways`) use Aurora for card-payout flows (`chain`, `tron`, `aurora`, `tgsettle`). The MNTX gateway codebase is retained separately for Monetix-specific integration.
+
+## Prerequisites
+
+- Docker with Docker Compose plugin
+- GNU Make
+- Go toolchain
+- Dart SDK
+- Flutter SDK
+
 ## Development
 
 Development uses Docker Compose via the Makefile. Run `make help` for all available commands.
@@ -54,6 +65,8 @@ make status               # Show service status
 make logs                 # View all logs
 make logs SERVICE=dev-ledger  # View logs for a specific service
 make rebuild SERVICE=dev-ledger # Rebuild and restart a specific service
+make list-services        # List all services and ports
+make health               # Check service health
 make clean                # Remove all containers and volumes
 ```
 
@@ -62,6 +75,7 @@ make clean                # Remove all containers and volumes
 ```bash
 make infra-up      # Start infrastructure only (MongoDB, NATS, Vault)
 make services-up   # Start application services only (assumes infra is running)
+make list-services # Show service names, ports, and descriptions
 ```
 
 ### Build Groups
@@ -69,8 +83,8 @@ make services-up   # Start application services only (assumes infra is running)
 ```bash
 make build-core       # discovery, ledger, fees, documents
 make build-fx         # oracle, ingestor
-make build-payments   # orchestrator
+make build-payments   # orchestrator, quotation, methods
-make build-gateways   # chain, tron, mntx, tgsettle
+make build-gateways   # chain, tron, aurora, tgsettle
 make build-api        # notification, callbacks, bff
 make build-frontend   # Flutter web UI
 ```

api/edge/bff/interface/api/srequest/payment_intent.go

@@ -14,6 +14,7 @@ type PaymentIntent struct {
 	SettlementMode SettlementMode      `json:"settlement_mode,omitempty"`
 	FeeTreatment   FeeTreatment        `json:"fee_treatment,omitempty"`
 	Attributes     map[string]string   `json:"attributes,omitempty"`
+	Comment        string              `json:"comment,omitempty"`
 	Customer       *Customer           `json:"customer,omitempty"`
 }
 

api/edge/bff/interface/api/sresponse/payment.go

@@ -70,6 +70,7 @@ type Payment struct {
 	PaymentRef     string             `json:"paymentRef,omitempty"`
 	IdempotencyKey string             `json:"idempotencyKey,omitempty"`
 	State          string             `json:"state,omitempty"`
+	Comment        string             `json:"comment,omitempty"`
 	FailureCode    string             `json:"failureCode,omitempty"`
 	FailureReason  string             `json:"failureReason,omitempty"`
 	Operations     []PaymentOperation `json:"operations,omitempty"`
@@ -294,6 +295,7 @@ func toPayment(p *orchestrationv2.Payment) *Payment {
 	return &Payment{
 		PaymentRef:     p.GetPaymentRef(),
 		State:          enumJSONName(p.GetState().String()),
+		Comment:        strings.TrimSpace(p.GetIntentSnapshot().GetComment()),
 		FailureCode:    failureCode,
 		FailureReason:  failureReason,
 		Operations:     operations,

api/edge/bff/interface/api/sresponse/payment_test.go

@@ -121,6 +121,22 @@ func TestToPaymentIgnoresHiddenFailures(t *testing.T) {
 	}
 }
 
+func TestToPaymentMapsIntentComment(t *testing.T) {
+	dto := toPayment(&orchestrationv2.Payment{
+		PaymentRef: "pay-3",
+		State:      orchestrationv2.OrchestrationState_ORCHESTRATION_STATE_CREATED,
+		IntentSnapshot: &quotationv2.QuoteIntent{
+			Comment: "  invoice-7  ",
+		},
+	})
+	if dto == nil {
+		t.Fatal("expected non-nil payment dto")
+	}
+	if got, want := dto.Comment, "invoice-7"; got != want {
+		t.Fatalf("comment mismatch: got=%q want=%q", got, want)
+	}
+}
+
 func TestToPaymentQuote_MapsIntentRef(t *testing.T) {
 	dto := toPaymentQuote(&quotationv2.PaymentQuote{
 		QuoteRef:  "quote-1",

api/edge/bff/internal/server/paymentapiimp/mapper.go

@@ -61,9 +61,7 @@ func mapQuoteIntent(intent *srequest.PaymentIntent) (*quotationv2.QuoteIntent, e
 		FeeTreatment:       resolvedFeeTreatment,
 		SettlementCurrency: settlementCurrency,
 		Fx:                 mapFXIntent(intent),
-	}
+		Comment:            strings.TrimSpace(intent.Comment),
-	if comment := strings.TrimSpace(intent.Attributes["comment"]); comment != "" {
-		quoteIntent.Comment = comment
 	}
 	return quoteIntent, nil
 }

api/gateway/aurora/go.mod

@@ -9,7 +9,6 @@ replace github.com/tech/sendico/gateway/common => ../common
 require (
 	github.com/go-chi/chi/v5 v5.2.5
 	github.com/prometheus/client_golang v1.23.2
-	github.com/prometheus/client_model v0.6.2
 	github.com/shopspring/decimal v1.4.0
 	github.com/tech/sendico/gateway/common v0.1.0
 	github.com/tech/sendico/pkg v0.1.0
@@ -36,6 +35,7 @@ require (
 	github.com/nats-io/nats.go v1.49.0 // indirect
 	github.com/nats-io/nkeys v0.4.15 // indirect
 	github.com/nats-io/nuid v1.0.1 // indirect
+	github.com/prometheus/client_model v0.6.2 // indirect
 	github.com/prometheus/common v0.67.5 // indirect
 	github.com/prometheus/procfs v0.20.1 // indirect
 	github.com/rogpeppe/go-internal v1.12.0 // indirect

frontend/pshared/lib/data/dto/payment/intent/payment.dart

@@ -23,6 +23,7 @@ class PaymentIntentDTO {
   final String? feeTreatment;
 
   final Map<String, String>? attributes;
+  final String? comment;
   final CustomerDTO? customer;
 
   const PaymentIntentDTO({
@@ -33,10 +34,12 @@ class PaymentIntentDTO {
     this.fx,
     this.settlementMode,
     this.attributes,
+    this.comment,
     this.customer,
     this.feeTreatment,
   });
 
-  factory PaymentIntentDTO.fromJson(Map<String, dynamic> json) => _$PaymentIntentDTOFromJson(json);
+  factory PaymentIntentDTO.fromJson(Map<String, dynamic> json) =>
+      _$PaymentIntentDTOFromJson(json);
   Map<String, dynamic> toJson() => _$PaymentIntentDTOToJson(this);
 }

frontend/pshared/lib/data/mapper/payment/intent/payment.dart

@@ -16,6 +16,7 @@ extension PaymentIntentMapper on PaymentIntent {
     fx: fx?.toDTO(),
     settlementMode: settlementModeToValue(settlementMode),
     attributes: attributes,
+    comment: comment,
     customer: customer?.toDTO(),
     feeTreatment: feeTreatmentToValue(feeTreatment),
   );
@@ -30,6 +31,7 @@ extension PaymentIntentDTOMapper on PaymentIntentDTO {
     fx: fx?.toDomain(),
     settlementMode: settlementModeFromValue(settlementMode),
     attributes: attributes,
+    comment: comment,
     customer: customer?.toDomain(),
     feeTreatment: feeTreatmentFromValue(feeTreatment),
   );

frontend/pshared/lib/models/payment/intent.dart

@@ -17,6 +17,7 @@ class PaymentIntent {
   final FeeTreatment feeTreatment;
   final SettlementMode settlementMode;
   final Map<String, String>? attributes;
+  final String? comment;
   final Customer? customer;
 
   const PaymentIntent({
@@ -29,6 +30,7 @@ class PaymentIntent {
     this.fx,
     this.settlementMode = SettlementMode.unspecified,
     this.attributes,
+    this.comment,
     this.customer,
     required this.feeTreatment,
   });

frontend/pshared/test/payment/request_dto_format_test.dart

@@ -57,6 +57,7 @@ void main() {
           ),
           amount: MoneyDTO(amount: '10', currency: 'USD'),
           settlementMode: 'fix_received',
+          comment: 'invoice-7',
         ),
       );
 
@@ -70,6 +71,7 @@ void main() {
       final intent = json['intent'] as Map<String, dynamic>;
       expect(intent['kind'], equals('payout'));
       expect(intent['settlement_mode'], equals('fix_received'));
+      expect(intent['comment'], equals('invoice-7'));
       expect(intent.containsKey('settlement_currency'), isFalse);
 
       final source = intent['source'] as Map<String, dynamic>;