feat(flows): 新增流程编辑器基础功能与相关组件

feat(backend): 添加流程模型与服务支持
feat(frontend): 实现流程编辑器UI与交互
feat(assets): 添加流程节点图标资源
feat(plugins): 实现上下文菜单和运行时插件
feat(components): 新增基础节点和侧边栏组件
feat(routes): 添加流程相关路由配置
feat(models): 创建流程和运行日志数据模型
feat(services): 实现流程服务层逻辑
feat(migration): 添加流程相关数据库迁移
feat(config): 更新前端配置支持流程编辑器
feat(utils): 增强axios错误处理和工具函数

backend/migration/src/m20220101_000001_create_users.rs

@@ -24,9 +24,10 @@ impl MigrationTrait for Migration {
             )
             .await?;
 
-        // seed admin user (cross-DB)
+        // seed admin user for all DB backends
+        // NOTE: test default password is fixed to '123456' for local/dev testing
         let salt = SaltString::generate(&mut rand::thread_rng());
-        let hash = Argon2::default().hash_password("Admin@123".as_bytes(), &salt).unwrap().to_string();
+        let hash = Argon2::default().hash_password("123456".as_bytes(), &salt).unwrap().to_string();
         let backend = manager.get_database_backend();
         let conn = manager.get_connection();
         match backend {