-- Running upgrade 79bcc5aa98d4 -> c4e2a86f9b13

CREATE TABLE customer_ratings (
    id BIGINT UNSIGNED NOT NULL COMMENT '主键ID' AUTO_INCREMENT,
    customer_id BIGINT UNSIGNED NOT NULL COMMENT '客户ID（唯一：一客户一份当前评级）',
    score_ship_amount NUMERIC(5, 1) NOT NULL COMMENT '发货额评分（0-20）' DEFAULT '0',
    score_receipt_rate NUMERIC(5, 1) NOT NULL COMMENT '回款率评分（0-20）' DEFAULT '0',
    score_profit_rate NUMERIC(5, 1) NOT NULL COMMENT '毛利率评分（0-20）' DEFAULT '0',
    score_contract_cooperation NUMERIC(5, 1) NOT NULL COMMENT '合同履约配合能力评分（0-20）' DEFAULT '0',
    score_site_construction NUMERIC(5, 1) NOT NULL COMMENT '现场规范施工能力评分（0-20）' DEFAULT '0',
    total_score NUMERIC(5, 1) NOT NULL COMMENT '总分（服务端重算，五项之和 0-100）',
    grade_name VARCHAR(32) COMMENT '评级等级（保存时按等级映射快照固化，无外键；未命中/等级表空为 NULL）',
    remark VARCHAR(255) COMMENT '备注',
    scorer_id BIGINT UNSIGNED COMMENT '评级操作人ID（账号删除后置空）',
    scorer_name VARCHAR(64) NOT NULL COMMENT '评级操作人用户名（冗余固化）',
    create_time DATETIME NOT NULL COMMENT '创建时间' DEFAULT CURRENT_TIMESTAMP,
    update_time DATETIME NOT NULL COMMENT '更新时间' DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    CONSTRAINT pk_customer_ratings PRIMARY KEY (id),
    CONSTRAINT fk_customer_ratings_customer_id FOREIGN KEY(customer_id) REFERENCES customers (id) ON DELETE RESTRICT,
    CONSTRAINT fk_customer_ratings_scorer_id FOREIGN KEY(scorer_id) REFERENCES users (id) ON DELETE SET NULL,
    CONSTRAINT uk_customer_ratings_customer_id UNIQUE (customer_id)
)CHARSET=utf8mb4 ENGINE=InnoDB COMMENT='客户评级表（每客户一行；等级名为快照固化无外键，删等级不伤已评级记录）' COLLATE utf8mb4_general_ci;

ALTER TABLE system_settings ADD COLUMN system_subtitle VARCHAR(32) COMMENT '系统副标题（侧边栏品牌区/浏览器标题；null=内置默认）';

ALTER TABLE system_settings ADD COLUMN brand_slogan VARCHAR(64) COMMENT '品牌标语（登录页与品牌预览；null=内置默认）';

ALTER TABLE system_settings ADD COLUMN footer_text VARCHAR(64) COMMENT '页脚版权文本（登录页；null=自动生成 © 公司名 · 内部系统）';

ALTER TABLE system_settings ADD COLUMN icp_no VARCHAR(32) COMMENT 'ICP 备案号（登录页页脚，空=不显示）';

ALTER TABLE system_settings ADD COLUMN credit_code VARCHAR(32) COMMENT '统一社会信用代码（预留导出页眉/单据）';

ALTER TABLE system_settings ADD COLUMN company_address VARCHAR(255) COMMENT '公司地址（预留导出页眉）';

ALTER TABLE system_settings ADD COLUMN contact_phone VARCHAR(32) COMMENT '联系电话（系统支持信息，预留）';

ALTER TABLE system_settings ADD COLUMN contact_email VARCHAR(64) COMMENT '联系邮箱（系统支持信息，预留）';

UPDATE alembic_version SET version_num='c4e2a86f9b13' WHERE alembic_version.version_num = '79bcc5aa98d4';