feat(db): 迁移 manage-db 测试代码与配置（任务 T1.3）

- 删除原有测试文件
- 从 gym-manage 复制测试文件
- 批量替换包名：cn.novalon.gym.manage → cn.novalon.manage
- 替换 application.yml 和 application-test.yml
- 更新 AutoConfiguration.imports 包名
- 编译验证通过

相关文档: docs/superpowers/specs/2026-04-27-migration-phase-1.json

novalon-manage-api/manage-db/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports

@@ -1 +1 @@
-cn.novalon.manage.db.config.RepositoryScanConfig
+cn.novalon.manage.db.config.RepositoryScanConfig

novalon-manage-api/manage-db/src/test/java/cn/novalon/gym/manage/db/config/FlywayMigrationScriptTest.java

@@ -72,7 +72,6 @@ class FlywayMigrationScriptTest {
         
         List<Path> sqlFiles = Files.list(migrationDir)
                 .filter(p -> p.toString().endsWith(".sql"))
-                .sorted()
                 .collect(Collectors.toList());
         
         List<Integer> versions = sqlFiles.stream()
@@ -81,6 +80,7 @@ class FlywayMigrationScriptTest {
                     String versionStr = filename.substring(1, filename.indexOf("__"));
                     return Integer.parseInt(versionStr);
                 })
+                .sorted()
                 .collect(Collectors.toList());
         
         for (int i = 1; i < versions.size(); i++) {