feat: 引入 Flyway 数据库迁移管理 [AC-INIT]

- 添加 flyway-core 和 flyway-mysql 依赖

- 将 init.sql 转换为 Flyway 迁移脚本 V1__init.sql

- 删除旧的 init.sql 和 V1__add_channel_type.sql

- 配置 application.yml Flyway 设置

pom.xml

@@ -104,6 +104,16 @@
             <artifactId>resilience4j-timelimiter</artifactId>
             <version>${resilience4j.version}</version>
         </dependency>
+
+        <dependency>
+            <groupId>org.flywaydb</groupId>
+            <artifactId>flyway-core</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.flywaydb</groupId>
+            <artifactId>flyway-mysql</artifactId>
+        </dependency>
     </dependencies>
 
     <build>

src/main/resources/application.yml

@@ -6,6 +6,12 @@ spring:
     name: wecom-robot
   profiles:
     active: dev
+  flyway:
+    enabled: true
+    locations: classpath:db/migration
+    baseline-on-migrate: true
+    baseline-version: 0
+    validate-on-migrate: true
 
 mybatis-plus:
   mapper-locations: classpath:mapper/*.xml

src/main/resources/db/migration/V1__add_channel_type.sql

@@ -1,10 +0,0 @@
--- TASK-003: 数据库 Schema 变更 [AC-MCA-11]
--- Session 表新增 channel_type 字段
-
-ALTER TABLE `session` 
-ADD COLUMN IF NOT EXISTS `channel_type` VARCHAR(20) DEFAULT 'wechat' 
-COMMENT '渠道类型: wechat/douyin/jd' 
-AFTER `kf_id`;
-
--- 添加索引
-CREATE INDEX IF NOT EXISTS `idx_channel_type` ON `session` (`channel_type`);

src/main/resources/db/migration/V1__init.sql

@@ -1,7 +1,5 @@
--- 创建数据库
+-- V1__init.sql - 初始化数据库表结构
-CREATE DATABASE IF NOT EXISTS wecom_robot DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+-- Flyway 迁移脚本
-
-USE wecom_robot;
 
 -- 会话表
 CREATE TABLE IF NOT EXISTS `session` (
@@ -63,7 +61,7 @@ CREATE TABLE IF NOT EXISTS `transfer_log` (
     INDEX `idx_trigger_time` (`trigger_time`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='转人工记录表';
 
--- 快捷回复表 (可选)
+-- 快捷回复表
 CREATE TABLE IF NOT EXISTS `quick_reply` (
     `id` BIGINT NOT NULL AUTO_INCREMENT COMMENT '自增ID',
     `cs_id` VARCHAR(64) DEFAULT NULL COMMENT '客服ID，为空表示公共',
@@ -74,7 +72,3 @@ CREATE TABLE IF NOT EXISTS `quick_reply` (
     PRIMARY KEY (`id`),
     INDEX `idx_cs_id` (`cs_id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='快捷回复表';
-
--- 如果表已存在，添加新字段
-ALTER TABLE `session` ADD COLUMN IF NOT EXISTS `wx_service_state` INT DEFAULT 0 COMMENT '微信会话状态';
-ALTER TABLE `session` ADD COLUMN IF NOT EXISTS `channel_type` VARCHAR(20) DEFAULT 'wechat' COMMENT '渠道类型: wechat/douyin/jd';