fix(GOV-011): 支持 MySQL 5.7 系列健康检查

server/libs/infrastructure/src/mysql-health.client.ts

@@ -36,8 +36,9 @@ export class MysqlHealthClient implements OnModuleDestroy {
     const [rows] = await this.client.query(MYSQL_HEALTH_QUERY);
     const row = (rows as unknown as MysqlMetadataRow[])[0];
     if (!row) throw new Error('MySQL 未返回元数据');
-    if (!/^5\.7\.42(?:[-+.]|$)/.test(row.version)) {
-      throw new Error('MySQL 5.7.42 版本要求未满足');
+    const versionMatch = /^(5\.7\.\d+)(?:[-+].*)?$/.exec(row.version ?? '');
+    if (!versionMatch) {
+      throw new Error('MySQL 5.7.x 版本要求未满足');
     }
     if (row.databaseName !== this.expectedDatabase) {
       throw new Error(`MySQL 健康检查必须连接 ${this.expectedDatabase}`);
@@ -50,7 +51,7 @@ export class MysqlHealthClient implements OnModuleDestroy {
 
     return {
       status: 'healthy',
-      detail: `MySQL 5.7.42 / ${row.databaseName} / ${row.timezone}`,
+      detail: `MySQL ${versionMatch[1]} / ${row.databaseName} / ${row.timezone}`,
     };
   }
 
@@ -63,7 +64,7 @@ export class MysqlHealthClient implements OnModuleDestroy {
   }
 }
 
-/** 创建最多两个连接的只读健康池，并显式应用 MySQL 5.7.42 会话时区。 */
+/** 创建最多两个连接的只读健康池，并显式应用 MySQL 5.7.x 会话时区。 */
 export function createMysqlHealthClient(config: MysqlRuntimeConfig): MysqlHealthClient {
   const pool: Pool = createPool({
     host: config.host,