#2026.4.7
CREATE TABLE quick_replies (
   id INT PRIMARY KEY AUTO_INCREMENT COMMENT '主键ID',
   title VARCHAR(100) NOT NULL COMMENT '快捷回复标题/关键词',
   content TEXT NOT NULL COMMENT '回复内容',
   is_active BOOLEAN DEFAULT TRUE COMMENT '是否启用',
   created_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
   updated_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
   INDEX idx_category (category),
   INDEX idx_user_id (user_id),
   INDEX idx_shortcut_key (shortcut_key)
) COMMENT='快捷回复表';

#2026.4.7
CREATE TABLE welcome_messages (
  id INT PRIMARY KEY AUTO_INCREMENT COMMENT '主键ID',
  message TEXT NOT NULL COMMENT '欢迎语内容',
  language VARCHAR(10) DEFAULT 'zh-CN' COMMENT '语言代码',
  is_active BOOLEAN DEFAULT TRUE COMMENT '是否启用',
  created_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
  update_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间'
) COMMENT='欢迎语表';