backend/src/main/resources/schema.sql

/*
 Navicat Premium Data Transfer

 Source Server         : 云大
 Source Server Type    : MySQL
 Source Server Version : 80405 (8.4.5)
 Source Host           : 101.200.154.78:3306
 Source Schema         : yunda_qa

 Target Server Type    : MySQL
 Target Server Version : 80405 (8.4.5)
 File Encoding         : 65001

 Date: 21/07/2025 09:29:04
*/

SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;

-- ----------------------------
-- Table structure for conversation_research_meta
-- ----------------------------
DROP TABLE IF EXISTS `conversation_research_meta`;
CREATE TABLE `conversation_research_meta`  (
                                               `conversation_id` bigint UNSIGNED NOT NULL,
                                               `topic` varchar(200) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL COMMENT '研究主题',
                                               `goal` text CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL COMMENT '研究目标描述',
                                               `progress_json` json NULL COMMENT '阶段进度',
                                               `draft_report_id` bigint UNSIGNED NULL DEFAULT NULL COMMENT '草稿报告 ID（预留）',
                                               `cite_style` enum('APA','IEEE','GB/T-7714') CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT 'APA',
                                               `tokens_consumed` int UNSIGNED NOT NULL DEFAULT 0,
                                               `last_summary_at` datetime NULL DEFAULT NULL,
                                               `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
                                               `updated_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
                                               PRIMARY KEY (`conversation_id`) USING BTREE,
                                               CONSTRAINT `fk_research_conv` FOREIGN KEY (`conversation_id`) REFERENCES `conversations` (`id`) ON DELETE CASCADE ON UPDATE RESTRICT
) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci COMMENT = '深度研究元数据' ROW_FORMAT = Dynamic;

-- ----------------------------
-- Table structure for conversations
-- ----------------------------
DROP TABLE IF EXISTS `conversations`;
CREATE TABLE `conversations`  (
                                  `id` bigint UNSIGNED NOT NULL AUTO_INCREMENT,
                                  `user_id` bigint UNSIGNED NOT NULL,
                                  `title` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL,
                                  `model_version` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '使用模型版本',
                                  `chat_mode` enum('chat','research') CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT 'chat' COMMENT 'chat=普通，research=深度研究',
                                  `is_active` tinyint NOT NULL DEFAULT 1,
                                  `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
                                  `updated_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
                                  PRIMARY KEY (`id`) USING BTREE,
                                  INDEX `fk_conv_user`(`user_id` ASC) USING BTREE,
                                  CONSTRAINT `fk_conv_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE ON UPDATE RESTRICT
) ENGINE = InnoDB AUTO_INCREMENT = 89 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci COMMENT = '会话表' ROW_FORMAT = Dynamic;

-- ----------------------------
-- Table structure for membership_levels
-- ----------------------------
DROP TABLE IF EXISTS `membership_levels`;
CREATE TABLE `membership_levels`  (
                                      `id` smallint UNSIGNED NOT NULL AUTO_INCREMENT,
                                      `name` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL,
                                      `price_month` decimal(10, 2) NOT NULL DEFAULT 0.00 COMMENT '月费',
                                      `daily_msg_limit` int UNSIGNED NOT NULL DEFAULT 20,
                                      `features` json NULL COMMENT '权限 JSON',
                                      `sort_order` tinyint NOT NULL DEFAULT 0,
                                      `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
                                      PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci COMMENT = '会员等级定义' ROW_FORMAT = Dynamic;

-- ----------------------------
-- Table structure for messages
-- ----------------------------
DROP TABLE IF EXISTS `messages`;
CREATE TABLE `messages`  (
                             `id` bigint UNSIGNED NOT NULL AUTO_INCREMENT,
                             `conversation_id` bigint UNSIGNED NOT NULL,
                             `sequence_no` int UNSIGNED NOT NULL COMMENT '会话内顺序编号',
                             `role` enum('user','assistant','system','tool') CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL,
                             `content` longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL,
                             `tokens` int UNSIGNED NULL DEFAULT NULL,
                             `latency_ms` int UNSIGNED NULL DEFAULT NULL COMMENT '响应耗时',
                             `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
                             PRIMARY KEY (`id`) USING BTREE,
                             UNIQUE INDEX `uq_conv_seq`(`conversation_id` ASC, `sequence_no` ASC) USING BTREE,
                             CONSTRAINT `fk_msg_conv` FOREIGN KEY (`conversation_id`) REFERENCES `conversations` (`id`) ON DELETE CASCADE ON UPDATE RESTRICT
) ENGINE = InnoDB AUTO_INCREMENT = 241 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci COMMENT = '消息表' ROW_FORMAT = Dynamic;

-- ----------------------------
-- Table structure for user_auth_accounts
-- ----------------------------
DROP TABLE IF EXISTS `user_auth_accounts`;
CREATE TABLE `user_auth_accounts`  (
                                       `id` bigint UNSIGNED NOT NULL AUTO_INCREMENT,
                                       `user_id` bigint UNSIGNED NOT NULL,
                                       `provider` enum('wechat_mini','wechat_open','google','github','apple','custom') CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL COMMENT '登录方式',
                                       `provider_user_id` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL COMMENT '第三方平台唯一ID',
                                       `access_token` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL,
                                       `refresh_token` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL,
                                       `expires_at` datetime NULL DEFAULT NULL,
                                       `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
                                       PRIMARY KEY (`id`) USING BTREE,
                                       UNIQUE INDEX `uq_provider_user`(`provider` ASC, `provider_user_id` ASC) USING BTREE,
                                       INDEX `fk_auth_user`(`user_id` ASC) USING BTREE,
                                       CONSTRAINT `fk_auth_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE ON UPDATE RESTRICT
) ENGINE = InnoDB AUTO_INCREMENT = 1 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci COMMENT = '第三方登录账号绑定表' ROW_FORMAT = Dynamic;

-- ----------------------------
-- Table structure for users
-- ----------------------------
DROP TABLE IF EXISTS `users`;
CREATE TABLE `users`  (
                          `id` bigint UNSIGNED NOT NULL AUTO_INCREMENT,
                          `username` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '昵称/展示名',
                          `password_hash` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '哈希密码（可为空）',
                          `phone` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '手机号',
                          `email` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '邮箱',
                          `avatar_url` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL,
                          `user_type` enum('personal','enterprise','admin') CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT 'personal' COMMENT '用户类型',
                          `membership_level_id` smallint UNSIGNED NOT NULL DEFAULT 1 COMMENT '付费等级',
                          `status` tinyint NOT NULL DEFAULT 1 COMMENT '1=正常, 0=封禁',
                          `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
                          `updated_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
                          `last_login_at` datetime NULL DEFAULT NULL,
                          PRIMARY KEY (`id`) USING BTREE,
                          UNIQUE INDEX `phone`(`phone` ASC) USING BTREE,
                          UNIQUE INDEX `email`(`email` ASC) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 3 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci COMMENT = '用户主表' ROW_FORMAT = Dynamic;

SET FOREIGN_KEY_CHECKS = 1;