-- 回测运行头（plan.md §47 原则 6：可复现四元组）
-- 由 src/hdiv/data/schema.py 生成，请勿手工修改
CREATE TABLE IF NOT EXISTS `hd_backtest_run` (
  `run_id`          VARCHAR(32)  NOT NULL,
  `strategy_id`     VARCHAR(32)  NOT NULL,
  `strategy_version` VARCHAR(16) NOT NULL,
  `mode`            VARCHAR(16)  NOT NULL DEFAULT 'single'
                    COMMENT 'single/in_sample/out_of_sample/walkforward_window',
  `wf_id`           VARCHAR(32)  NULL,
  `window_index`    INT          NULL,
  `start_date`      DATE         NOT NULL,
  `end_date`        DATE         NOT NULL,
  `initial_capital` DECIMAL(24,4) NOT NULL,
  `final_capital`   DECIMAL(24,4) NULL,
  `total_dividend_net` DECIMAL(24,4) NOT NULL DEFAULT 0 COMMENT '累计现金分红（税后）',
  `total_dividend_tax` DECIMAL(24,4) NOT NULL DEFAULT 0 COMMENT '累计代扣红利税',
  `total_fees`      DECIMAL(24,4) NOT NULL DEFAULT 0 COMMENT '累计交易费用',
  `cash_final`      DECIMAL(24,4) NULL COMMENT '期末现金（用于资金对账）',
  `strategy_config_json` MEDIUMTEXT NOT NULL,
  `config_hash`     VARCHAR(64)  NOT NULL,
  `backtest_config_json` TEXT     NULL,
  `cost_json`       TEXT         NULL,
  `data_version`    VARCHAR(64)  NULL,
  `code_version`    VARCHAR(32)  NULL,
  `seed`            INT          NULL,
  `status`          VARCHAR(16)  NOT NULL DEFAULT 'OK' COMMENT 'OK/FAIL/PARTIAL',
  `unimplemented_json` TEXT      NULL COMMENT '未建模部分显式声明（如涨跌停近似）',
  `display_name`    VARCHAR(128) NULL COMMENT '用户命名',
  `notes`           VARCHAR(500) NULL COMMENT '用户备注',
  `universe_run_id` VARCHAR(32)  NULL COMMENT '关联的股票池筛选记录（--universe-run 指定时写入）',
  `archived_at`     DATETIME     NULL COMMENT '归档时间；NULL=未归档',
  `deleted_at`      DATETIME     NULL COMMENT '软删除时间；NULL=未删除',
  `created_at`      DATETIME     NOT NULL,
  PRIMARY KEY (`run_id`),
  KEY `ix_hd_bt_strategy` (`strategy_id`,`strategy_version`),
  KEY `ix_hd_bt_wf` (`wf_id`,`window_index`),
  KEY `ix_hd_bt_period` (`start_date`,`end_date`),
  KEY `ix_hd_bt_universe` (`universe_run_id`),
  KEY `ix_hd_bt_state` (`deleted_at`,`archived_at`,`created_at`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci COMMENT='回测运行头';