已完成用户APP首期功能开发

交付用户端首期页面、配套接口、后台资源及测试文档。用户APP构建、静态分析和三个管理后台构建通过；完整测试仍有2项失败，后端模型注释检查未通过，详见交付记录。

backend/api/internal/logic/gas/ticket_values_test.go

@@ -44,6 +44,9 @@ func TestTicketDetailQueryIncludesScopedRelationNames(t *testing.T) {
 		Find(&ticketDetailDisplay{}).Statement.SQL.String()
 	for _, fragment := range []string{
 		"user_service_relation.gas_basic_id =",
+		"cs_ticket.gasorder_contract_id = 0",
+		"cs_ticket.gasorder_contract_id <> 0 AND cs_ticket.gas_basic_id =",
+		"contract_request_open",
 		"LEFT JOIN user_account AS ticket_user",
 		"LEFT JOIN delivery_basic AS ticket_delivery",
 		"LEFT JOIN staff_account AS ticket_staff",