Add WebSocket handlers for Customs API

Project/Web/MachineBridge/WebSocketServer.cs

@@ -929,6 +929,25 @@ namespace Project.Web
                         }
                         break;
 
+                    // ===== Customs API (업체정보) =====
+                    case "CUSTOMS_GET_LIST":
+                        {
+                            string searchKey = json.searchKey ?? "";
+                            string result = _bridge.Customs_GetList(searchKey);
+                            var response = new { type = "CUSTOMS_LIST_DATA", data = JsonConvert.DeserializeObject(result) };
+                            await Send(socket, JsonConvert.SerializeObject(response));
+                        }
+                        break;
+
+                    case "CUSTOMS_GET_DETAIL":
+                        {
+                            int idx = json.idx ?? 0;
+                            string result = _bridge.Customs_GetDetail(idx);
+                            var response = new { type = "CUSTOMS_DETAIL_DATA", data = JsonConvert.DeserializeObject(result) };
+                            await Send(socket, JsonConvert.SerializeObject(response));
+                        }
+                        break;
+
                     // ===== Holiday API (월별근무표) =====
                     case "HOLIDAY_GET_LIST":
                         {