CREATE TABLE IF NOT EXISTS `visu_virtual_points` (
  `id` int NOT NULL AUTO_INCREMENT,
  `project_id` int NOT NULL,
  `point_key` varchar(190) NOT NULL,
  `name` varchar(190) NOT NULL,
  `description` text DEFAULT NULL,
  `unit` varchar(32) NOT NULL DEFAULT '',
  `decimals` tinyint NOT NULL DEFAULT 2,
  `sort_order` int NOT NULL DEFAULT 100,
  `formula_json` longtext NOT NULL,
  `created_by` int DEFAULT NULL,
  `is_active` tinyint(1) NOT NULL DEFAULT 1,
  `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uniq_visu_virtual_point_project_key` (`project_id`, `point_key`),
  KEY `idx_visu_virtual_points_project` (`project_id`, `is_active`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;