chore: sync submodule state (parent ref update)

Made-with: Cursor

backend/api/track1/endpoints.go

@@ -8,15 +8,17 @@ import (
 	"strconv"
 	"strings"
 	"time"
+
+	"github.com/explorer/backend/libs/go-rpc-gateway"
 )
 
-// Server handles Track 1 endpoints
+// Server handles Track 1 endpoints (uses RPC gateway from lib)
 type Server struct {
-	rpcGateway *RPCGateway
+	rpcGateway *gateway.RPCGateway
 }
 
 // NewServer creates a new Track 1 server
-func NewServer(rpcGateway *RPCGateway) *Server {
+func NewServer(rpcGateway *gateway.RPCGateway) *Server {
 	return &Server{
 		rpcGateway: rpcGateway,
 	}