ExtensionManager initial #13
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主要更改：
1. 数据库表结构更新 (extension.ts)
- 将 disabled (boolean) 字段改为 enabled (uuid array)
- 每个客户端可以独立启用/禁用插件
- 添加 isEnabledForClient() 方法检查插件是否对特定客户端启用
2. ExtensionManager 核心实现 (extensionManager.ts)
- 完整的插件生命周期状态机：
DISCOVERED → LOADING → LOADED → INITIALIZING → READY → ACTIVATING → ACTIVE
支持 DEACTIVATING → READY 和 UNLOADING → UNLOADED 转换
任何阶段可进入 ERROR 状态，支持重试机制
- 插件接口定义 (IExtension)：initialize, activate, deactivate, dispose
- ExtensionInstance 类：管理单个插件实例的状态和错误
- ExtensionManager 类：
* 从数据库发现插件
* 并行加载插件（使用 Promise.allSettled 实现错误隔离）
* 动态启用/禁用插件
* 完整的 startup/shutdown 流程
* 重试机制（最多3次）
3. UI 组件更新
- ExtensionCard 组件：
* 添加 clientId prop
* 更新 toggle 逻辑使用新的 enable/disable 方法
* 根据 clientId 显示正确的启用状态
- Extensions View：
* 添加客户端选择下拉框
* 从所有插件的 enabled 数组中提取可用的客户端 ID
* 根据选择的客户端过滤和显示插件状态
- 样式更新：为客户端选择器添加响应式布局
特性：
- 并行加载：使用 Promise.allSettled 同时加载多个插件
- 错误隔离：单个插件失败不影响其他插件
- 状态追踪：详细的日志记录每个状态转换
- 灵活配置：每个客户端独立的插件配置
1. 实现 Module Federation 实际加载逻辑 - 使用动态 script 标签加载远程入口 - 支持动态 import 导入远程模块 - 实现 loadRemoteEntry 方法 2. 添加 Client 模型 (src/business/client.ts) - 使用 zod-class 定义客户端模型 - 支持 ping 检查在线状态 - 支持向远程客户端发送请求 - 实现 enableExtension/disableExtension 远程调用 3. 完善配置管理 (src/config.ts) - 添加 zod schema 验证 - 实现 localStorage 持久化 - 添加 LOCAL_CLIENT_ID 字段 - 提供 configUtils 工具函数 4. 扩展 ExtensionManager 功能 - 添加 enableExtensionForClient 方法 - 添加 disableExtensionForClient 方法 - 自动判断本地/远程客户端并调用相应逻辑 系统设计： - 所有节点平等，无"后端"概念 - 本地客户端 ID 存储在 localStorage - 支持联邦化的插件管理 Co-authored-by: Claude <noreply@anthropic.com>
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