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docs/event-based-agents/00-overview.md
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docs/event-based-agents/00-overview.md
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# Event Based Agents 架构设计总览
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## 1. 背景与动机
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### 当前架构的局限性
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LangBot 当前的平台适配器架构围绕**消息事件**单一场景设计:
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- **事件层面**:只监听 `FriendMessage`(私聊消息)和 `GroupMessage`(群消息)两种事件
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- **API 层面**:只暴露 `send_message` 和 `reply_message` 两个平台 API
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- **处理层面**:所有消息统一进入 Pipeline 流水线处理,无法为不同事件类型配置不同处理逻辑
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- **适配器结构**:每个适配器是单个 Python 文件(200-800 行),随着功能增加难以维护
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这导致以下问题:
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1. **无法处理非消息事件**:新成员入群、好友请求、消息撤回、消息编辑等大部分平台都支持的事件被完全忽略
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2. **平台能力未充分利用**:编辑消息、撤回消息、获取群成员列表、管理群组等 API 无法使用
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3. **插件能力受限**:插件只能监听消息事件、只能发送/回复消息,无法实现更丰富的交互
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4. **处理逻辑不灵活**:所有消息走同一条 Pipeline,无法为入群欢迎、好友自动通过等场景配置独立的处理流程
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### 设计目标
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Event Based Agents(EBA)架构旨在将 LangBot 从"消息处理平台"升级为"事件驱动的智能代理平台":
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- **丰富事件**:支持消息、群组、好友、Bot 状态等多种事件类型
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- **丰富 API**:支持消息编辑/撤回、群组管理、用户信息查询等通用 API,以及适配器特有 API 的透传调用
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- **灵活编排**:用户可在 WebUI 上为每个 Bot 的每种事件类型配置不同的处理器
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- **可扩展**:适配器可声明自己支持的事件和 API,平台特有能力通过标准机制暴露
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- **向后兼容**:现有插件无需修改即可在新架构下运行
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## 2. 架构对比
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### 现有架构
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```
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消息平台 (Telegram/Discord/...)
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│
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▼
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平台适配器 (单文件, 只处理消息)
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│ FriendMessage / GroupMessage
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▼
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RuntimeBot (注册 on_friend_message / on_group_message 回调)
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│
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▼
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MessageAggregator (消息聚合)
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│
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▼
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QueryPool → Controller → Pipeline (固定阶段链)
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│ │
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│ ▼
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│ RequestRunner (local-agent / dify / n8n / ...)
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│
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▼
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adapter.reply_message() / adapter.send_message()
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```
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关键代码路径:
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- 适配器基类:`langbot-plugin-sdk/.../abstract/platform/adapter.py` — `AbstractMessagePlatformAdapter`
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- 事件定义:`langbot-plugin-sdk/.../builtin/platform/events.py` — 仅 `FriendMessage` / `GroupMessage`
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- Bot 管理:`LangBot/src/langbot/pkg/platform/botmgr.py` — `RuntimeBot` 只注册两个消息回调
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- 流水线控制:`LangBot/src/langbot/pkg/pipeline/controller.py` — 从 QueryPool 消费并执行 Pipeline
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### 新架构(Event Based Agents)
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```
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消息平台 (Telegram/Discord/...)
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│
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▼
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平台适配器 (独立目录, 监听所有事件, 实现丰富 API)
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│ MessageReceived / MemberJoined / FriendRequest / ...
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▼
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EventBus (统一事件总线)
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│
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▼
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EventRouter (事件路由引擎, 读取 Bot 的 event_handlers 配置)
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│
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├─→ PipelineHandler — 现有流水线(完整 Stage 链)
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├─→ AgentHandler — 直接调用 RequestRunner(轻量 AI 处理)
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├─→ WebhookHandler — POST 到外部服务(Dify/n8n webhook 等)
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└─→ PluginHandler — 分发给插件 EventListener
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│
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▼
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统一平台 API
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send / reply / edit / delete / getGroupInfo / getUserInfo / callPlatformApi / ...
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```
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## 3. 核心概念
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### 3.1 统一事件体系
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所有平台事件统一为命名空间式的事件类型:
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| 命名空间 | 事件 | 说明 |
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|----------|------|------|
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| `message.*` | `message.received`, `message.edited`, `message.deleted`, `message.reaction` | 消息相关 |
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| `group.*` | `group.member_joined`, `group.member_left`, `group.member_banned`, `group.info_updated` | 群组相关 |
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| `friend.*` | `friend.request_received`, `friend.added`, `friend.removed` | 好友相关 |
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| `bot.*` | `bot.invited_to_group`, `bot.removed_from_group`, `bot.muted`, `bot.unmuted` | Bot 状态 |
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| `platform.*` | `platform.{adapter}.{action}` | 适配器特有事件 |
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详见 [01-event-system.md](./01-event-system.md)。
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### 3.2 统一平台 API
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扩展适配器基类,提供通用 API + 透传机制:
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| 类别 | API | 必需/可选 |
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|------|-----|----------|
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| 消息 | `send_message`, `reply_message`, `edit_message`, `delete_message`, `forward_message` | send/reply 必需,其余可选 |
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| 群组 | `get_group_info`, `get_group_member_list`, `get_group_member_info`, `mute_member`, `kick_member` | 全部可选 |
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| 用户 | `get_user_info`, `get_friend_list` | 全部可选 |
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| 媒体 | `upload_file`, `get_file_url` | 全部可选 |
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| 透传 | `call_platform_api(action, params)` | 可选 |
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详见 [02-platform-api.md](./02-platform-api.md)。
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### 3.3 适配器新结构
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每个适配器从单文件迁移到独立目录:
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```
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pkg/platform/adapters/
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├── _base/ # 基类和通用定义
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│ ├── adapter.py
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│ ├── events.py
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│ ├── entities.py
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│ └── api.py
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├── telegram/
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│ ├── __init__.py
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│ ├── adapter.py # 主适配器类
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│ ├── event_converter.py # 事件转换(多种事件类型)
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│ ├── message_converter.py # 消息链转换
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│ ├── api_impl.py # 通用 API 实现
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│ ├── platform_api.py # 平台特有 API
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│ ├── types.py # 平台特有类型
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│ └── manifest.yaml
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├── discord/
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│ └── ...
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```
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详见 [03-adapter-structure.md](./03-adapter-structure.md)。
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### 3.4 事件处理器(Event Handler)
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四种处理器类型,用户在 WebUI 的 Bot 管理页面配置:
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| 类型 | 说明 | 适用场景 |
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|------|------|----------|
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| **pipeline** | 现有流水线机制,完整的多 Stage 处理链(PreProcessor → MessageProcessor → PostProcessor 等) | 复杂消息处理,需要完整的预处理/后处理流程 |
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| **agent** | 直接调用 RequestRunner(local-agent / dify / n8n / coze / dashscope / langflow / tbox),从 Pipeline 中解耦 | 轻量级 AI 处理、直接对接外部 LLMOps 平台处理各类事件 |
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| **webhook** | 将事件 POST 到外部 URL,根据响应执行动作 | 对接自建服务、Dify/n8n 的 Webhook 触发器、自定义后端 |
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| **plugin** | 分发给插件 EventListener 处理 | 插件自定义逻辑 |
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配置存储在 Bot 表的 `event_handlers` JSON 字段中,通过 WebUI 编排面板管理。
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详见 [04-event-routing.md](./04-event-routing.md)。
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### 3.5 插件 SDK 改造
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- 新事件类型全部暴露给插件
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- 新 API 全部通过 `LangBotAPIProxy` 暴露
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- 兼容层保证现有插件零修改运行
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详见 [05-plugin-sdk.md](./05-plugin-sdk.md)。
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## 4. 关键设计决策
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| # | 决策点 | 选择 | 理由 |
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|---|--------|------|------|
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| 1 | 事件处理器配置粒度 | 每个 Bot 独立配置 | Bot 是用户操作的核心单元,不同 Bot 可能对接不同业务场景 |
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| 2 | 适配器特有 API | 统一抽象 + `call_platform_api` 透传 | 通用 API 覆盖大部分场景,透传机制保证灵活性,避免每个适配器导出独立的类型化 API 包 |
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| 3 | 向后兼容策略 | 兼容层适配 | 保留旧事件类型和 API 作为新系统的 alias/wrapper,现有插件无需修改 |
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| 4 | 处理器配置存储 | Bot 表新增 `event_handlers` JSON 字段 | 简单直接,避免新增关联表;替代现有 `use_pipeline_uuid` |
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| 5 | Agent 处理器定位 | 从 Pipeline 中解耦 RequestRunner | 不是所有事件都需要完整 Pipeline Stage 链;Agent 处理器提供轻量级 AI 处理路径,支持所有现有 Runner |
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| 6 | 事件命名方式 | 命名空间式(`message.received`) | 清晰的分类层级,便于通配匹配(`message.*`),与 WebUI 配置天然对应 |
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## 5. 文档索引
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| 文档 | 内容 |
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|------|------|
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| [01-event-system.md](./01-event-system.md) | 统一事件体系:事件分类、定义、生命周期 |
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| [02-platform-api.md](./02-platform-api.md) | 统一平台 API:通用 API、透传 API、实体定义 |
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| [03-adapter-structure.md](./03-adapter-structure.md) | 适配器新结构:目录布局、基类、注册机制 |
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| [04-event-routing.md](./04-event-routing.md) | 事件路由与编排:路由引擎、处理器类型、WebUI 数据模型 |
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| [05-plugin-sdk.md](./05-plugin-sdk.md) | 插件 SDK 改造:新事件/API、兼容层 |
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| [06-migration-plan.md](./06-migration-plan.md) | 分阶段迁移计划 |
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## 6. 涉及的代码仓库
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| 仓库 | 改动范围 |
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|------|----------|
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| **langbot-plugin-sdk** | 事件定义、实体模型、API 接口、适配器基类、通信协议扩展 |
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| **LangBot**(后端) | 适配器实现、事件路由引擎、Bot 实体扩展、数据库迁移、RequestRunner 解耦 |
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| **LangBot**(前端) | Bot 事件处理器编排面板 |
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| **langbot-wiki** | 新架构文档、插件开发指南更新、适配器开发指南 |
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| **langbot-plugin-demo** | 示例更新(使用新事件和 API) |
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508
docs/event-based-agents/01-event-system.md
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508
docs/event-based-agents/01-event-system.md
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# 统一事件体系
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## 1. 设计原则
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- **命名空间分类**:事件类型采用 `{namespace}.{action}` 格式,如 `message.received`
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- **通用优先**:大部分平台都支持的事件抽象为通用事件,定义统一的字段格式
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- **平台特有事件标准化**:各适配器的独有事件通过 `PlatformSpecificEvent` 承载,保留原始数据
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- **向后兼容**:现有 `FriendMessage` / `GroupMessage` 通过兼容层映射到新的 `message.received` 事件
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## 2. 事件基类层次
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```
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Event (事件基类)
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├── MessageEvent (消息相关事件)
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│ ├── MessageReceivedEvent # message.received
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│ ├── MessageEditedEvent # message.edited
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│ ├── MessageDeletedEvent # message.deleted
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│ └── MessageReactionEvent # message.reaction
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├── GroupEvent (群组相关事件)
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│ ├── MemberJoinedEvent # group.member_joined
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│ ├── MemberLeftEvent # group.member_left
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│ ├── MemberBannedEvent # group.member_banned
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│ ├── MemberUnbannedEvent # group.member_unbanned
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│ └── GroupInfoUpdatedEvent # group.info_updated
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├── FriendEvent (好友相关事件)
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│ ├── FriendRequestReceivedEvent # friend.request_received
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│ ├── FriendAddedEvent # friend.added
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│ └── FriendRemovedEvent # friend.removed
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├── BotEvent (Bot 状态事件)
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│ ├── BotInvitedToGroupEvent # bot.invited_to_group
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│ ├── BotRemovedFromGroupEvent # bot.removed_from_group
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│ ├── BotMutedEvent # bot.muted
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│ └── BotUnmutedEvent # bot.unmuted
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└── PlatformSpecificEvent # platform.{adapter}.{action}
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```
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## 3. 通用事件定义
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### 3.1 事件基类
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```python
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class Event(pydantic.BaseModel):
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"""事件基类"""
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type: str
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"""事件类型标识,如 'message.received'"""
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timestamp: float
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"""事件发生的时间戳"""
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bot_uuid: str
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"""接收到此事件的 Bot UUID"""
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adapter_name: str
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"""产生此事件的适配器名称"""
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source_platform_object: typing.Optional[typing.Any] = None
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"""原始平台事件对象,供适配器内部使用"""
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```
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### 3.2 消息事件
|
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#### MessageReceivedEvent (`message.received`)
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|
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收到新消息。这是最核心的事件,替代现有的 `FriendMessage` / `GroupMessage`。
|
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|
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```python
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class MessageReceivedEvent(Event):
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"""收到新消息"""
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|
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type: str = "message.received"
|
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|
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message_id: typing.Union[int, str]
|
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"""消息 ID"""
|
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|
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message_chain: MessageChain
|
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"""消息内容"""
|
||||
|
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sender: User
|
||||
"""发送者"""
|
||||
|
||||
chat_type: ChatType # "private" | "group"
|
||||
"""会话类型"""
|
||||
|
||||
chat_id: typing.Union[int, str]
|
||||
"""会话 ID(私聊为对方用户 ID,群聊为群 ID)"""
|
||||
|
||||
group: typing.Optional[Group] = None
|
||||
"""群信息(仅群聊时存在)"""
|
||||
```
|
||||
|
||||
与现有类型的映射关系:
|
||||
- `chat_type == "private"` → 等价于现有 `FriendMessage`
|
||||
- `chat_type == "group"` → 等价于现有 `GroupMessage`
|
||||
|
||||
`ChatType` 枚举:
|
||||
|
||||
```python
|
||||
class ChatType(str, Enum):
|
||||
PRIVATE = "private"
|
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GROUP = "group"
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```
|
||||
|
||||
#### MessageEditedEvent (`message.edited`)
|
||||
|
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消息被编辑。
|
||||
|
||||
```python
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class MessageEditedEvent(Event):
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||||
"""消息被编辑"""
|
||||
|
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type: str = "message.edited"
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||||
|
||||
message_id: typing.Union[int, str]
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||||
"""被编辑的消息 ID"""
|
||||
|
||||
new_content: MessageChain
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||||
"""编辑后的新内容"""
|
||||
|
||||
editor: User
|
||||
"""编辑者"""
|
||||
|
||||
chat_type: ChatType
|
||||
chat_id: typing.Union[int, str]
|
||||
group: typing.Optional[Group] = None
|
||||
```
|
||||
|
||||
#### MessageDeletedEvent (`message.deleted`)
|
||||
|
||||
消息被删除/撤回。
|
||||
|
||||
```python
|
||||
class MessageDeletedEvent(Event):
|
||||
"""消息被删除/撤回"""
|
||||
|
||||
type: str = "message.deleted"
|
||||
|
||||
message_id: typing.Union[int, str]
|
||||
"""被删除的消息 ID"""
|
||||
|
||||
operator: typing.Optional[User] = None
|
||||
"""操作者(可能是发送者自己撤回,也可能是管理员删除)"""
|
||||
|
||||
chat_type: ChatType
|
||||
chat_id: typing.Union[int, str]
|
||||
group: typing.Optional[Group] = None
|
||||
```
|
||||
|
||||
#### MessageReactionEvent (`message.reaction`)
|
||||
|
||||
消息收到表情回应。
|
||||
|
||||
```python
|
||||
class MessageReactionEvent(Event):
|
||||
"""消息收到表情回应"""
|
||||
|
||||
type: str = "message.reaction"
|
||||
|
||||
message_id: typing.Union[int, str]
|
||||
"""被回应的消息 ID"""
|
||||
|
||||
user: User
|
||||
"""回应者"""
|
||||
|
||||
reaction: str
|
||||
"""回应的表情标识(emoji 或平台特定表情 ID)"""
|
||||
|
||||
is_add: bool
|
||||
"""True 为添加回应,False 为移除回应"""
|
||||
|
||||
chat_type: ChatType
|
||||
chat_id: typing.Union[int, str]
|
||||
group: typing.Optional[Group] = None
|
||||
```
|
||||
|
||||
### 3.3 群组事件
|
||||
|
||||
#### MemberJoinedEvent (`group.member_joined`)
|
||||
|
||||
新成员加入群组。
|
||||
|
||||
```python
|
||||
class MemberJoinedEvent(Event):
|
||||
"""新成员加入群组"""
|
||||
|
||||
type: str = "group.member_joined"
|
||||
|
||||
group: Group
|
||||
"""群组"""
|
||||
|
||||
member: User
|
||||
"""加入的成员"""
|
||||
|
||||
inviter: typing.Optional[User] = None
|
||||
"""邀请者(如有)"""
|
||||
|
||||
join_type: typing.Optional[str] = None
|
||||
"""加入方式:'invite' / 'request' / 'direct' / None"""
|
||||
```
|
||||
|
||||
#### MemberLeftEvent (`group.member_left`)
|
||||
|
||||
成员离开群组。
|
||||
|
||||
```python
|
||||
class MemberLeftEvent(Event):
|
||||
"""成员离开群组"""
|
||||
|
||||
type: str = "group.member_left"
|
||||
|
||||
group: Group
|
||||
member: User
|
||||
|
||||
is_kicked: bool = False
|
||||
"""是否被踢出"""
|
||||
|
||||
operator: typing.Optional[User] = None
|
||||
"""操作者(踢出时为管理员)"""
|
||||
```
|
||||
|
||||
#### MemberBannedEvent (`group.member_banned`)
|
||||
|
||||
成员被禁言。
|
||||
|
||||
```python
|
||||
class MemberBannedEvent(Event):
|
||||
"""成员被禁言"""
|
||||
|
||||
type: str = "group.member_banned"
|
||||
|
||||
group: Group
|
||||
member: User
|
||||
operator: typing.Optional[User] = None
|
||||
duration: typing.Optional[int] = None
|
||||
"""禁言时长(秒),None 表示永久"""
|
||||
```
|
||||
|
||||
#### MemberUnbannedEvent (`group.member_unbanned`)
|
||||
|
||||
成员被解除禁言。
|
||||
|
||||
```python
|
||||
class MemberUnbannedEvent(Event):
|
||||
"""成员被解除禁言"""
|
||||
|
||||
type: str = "group.member_unbanned"
|
||||
|
||||
group: Group
|
||||
member: User
|
||||
operator: typing.Optional[User] = None
|
||||
```
|
||||
|
||||
#### GroupInfoUpdatedEvent (`group.info_updated`)
|
||||
|
||||
群组信息被修改。
|
||||
|
||||
```python
|
||||
class GroupInfoUpdatedEvent(Event):
|
||||
"""群组信息被修改"""
|
||||
|
||||
type: str = "group.info_updated"
|
||||
|
||||
group: Group
|
||||
"""更新后的群组信息"""
|
||||
|
||||
operator: typing.Optional[User] = None
|
||||
"""操作者"""
|
||||
|
||||
changed_fields: list[str] = []
|
||||
"""发生变更的字段名列表,如 ['name', 'description']"""
|
||||
```
|
||||
|
||||
### 3.4 好友事件
|
||||
|
||||
#### FriendRequestReceivedEvent (`friend.request_received`)
|
||||
|
||||
收到好友请求。
|
||||
|
||||
```python
|
||||
class FriendRequestReceivedEvent(Event):
|
||||
"""收到好友请求"""
|
||||
|
||||
type: str = "friend.request_received"
|
||||
|
||||
request_id: typing.Union[int, str]
|
||||
"""请求 ID,用于后续 approve/reject 操作"""
|
||||
|
||||
user: User
|
||||
"""请求者"""
|
||||
|
||||
message: typing.Optional[str] = None
|
||||
"""验证消息"""
|
||||
```
|
||||
|
||||
#### FriendAddedEvent (`friend.added`)
|
||||
|
||||
成功添加好友。
|
||||
|
||||
```python
|
||||
class FriendAddedEvent(Event):
|
||||
"""成功添加好友"""
|
||||
|
||||
type: str = "friend.added"
|
||||
|
||||
user: User
|
||||
"""新好友"""
|
||||
```
|
||||
|
||||
#### FriendRemovedEvent (`friend.removed`)
|
||||
|
||||
好友被移除。
|
||||
|
||||
```python
|
||||
class FriendRemovedEvent(Event):
|
||||
"""好友被移除"""
|
||||
|
||||
type: str = "friend.removed"
|
||||
|
||||
user: User
|
||||
"""被移除的好友"""
|
||||
```
|
||||
|
||||
### 3.5 Bot 状态事件
|
||||
|
||||
#### BotInvitedToGroupEvent (`bot.invited_to_group`)
|
||||
|
||||
Bot 被邀请加入群组。
|
||||
|
||||
```python
|
||||
class BotInvitedToGroupEvent(Event):
|
||||
"""Bot 被邀请加入群组"""
|
||||
|
||||
type: str = "bot.invited_to_group"
|
||||
|
||||
group: Group
|
||||
inviter: typing.Optional[User] = None
|
||||
|
||||
request_id: typing.Optional[typing.Union[int, str]] = None
|
||||
"""邀请请求 ID,某些平台需要 Bot 确认才加入"""
|
||||
```
|
||||
|
||||
#### BotRemovedFromGroupEvent (`bot.removed_from_group`)
|
||||
|
||||
Bot 被移出群组。
|
||||
|
||||
```python
|
||||
class BotRemovedFromGroupEvent(Event):
|
||||
"""Bot 被移出群组"""
|
||||
|
||||
type: str = "bot.removed_from_group"
|
||||
|
||||
group: Group
|
||||
operator: typing.Optional[User] = None
|
||||
```
|
||||
|
||||
#### BotMutedEvent / BotUnmutedEvent (`bot.muted` / `bot.unmuted`)
|
||||
|
||||
Bot 被禁言/解除禁言。
|
||||
|
||||
```python
|
||||
class BotMutedEvent(Event):
|
||||
"""Bot 被禁言"""
|
||||
|
||||
type: str = "bot.muted"
|
||||
|
||||
group: Group
|
||||
operator: typing.Optional[User] = None
|
||||
duration: typing.Optional[int] = None
|
||||
|
||||
|
||||
class BotUnmutedEvent(Event):
|
||||
"""Bot 被解除禁言"""
|
||||
|
||||
type: str = "bot.unmuted"
|
||||
|
||||
group: Group
|
||||
operator: typing.Optional[User] = None
|
||||
```
|
||||
|
||||
### 3.6 平台特有事件
|
||||
|
||||
对于无法抽象为通用事件的平台特有事件,使用统一的 `PlatformSpecificEvent` 承载:
|
||||
|
||||
```python
|
||||
class PlatformSpecificEvent(Event):
|
||||
"""平台特有事件
|
||||
|
||||
适配器无法映射到通用事件类型时,使用此类型承载。
|
||||
插件可以通过 adapter_name + action 来识别和处理。
|
||||
"""
|
||||
|
||||
type: str = "platform.specific"
|
||||
|
||||
action: str
|
||||
"""平台特有的事件动作标识,如 'channel_created', 'pin_message'"""
|
||||
|
||||
data: dict = {}
|
||||
"""事件数据,结构由具体适配器定义"""
|
||||
```
|
||||
|
||||
事件类型字符串格式为 `platform.{adapter_name}.{action}`,例如:
|
||||
- `platform.telegram.chat_member_updated` — Telegram 的群成员信息更新
|
||||
- `platform.discord.channel_created` — Discord 的频道创建
|
||||
- `platform.discord.voice_state_update` — Discord 的语音状态变更
|
||||
- `platform.slack.app_home_opened` — Slack 的 App Home 打开
|
||||
|
||||
## 4. 各平台事件支持矩阵
|
||||
|
||||
下表标注各通用事件在主要平台上的支持情况:
|
||||
|
||||
| 事件 | Telegram | Discord | OneBot(QQ) | 飞书 | 钉钉 | Slack | 微信 | LINE | KOOK |
|
||||
|------|----------|---------|-----------|------|------|-------|------|------|------|
|
||||
| `message.received` | Y | Y | Y | Y | Y | Y | Y | Y | Y |
|
||||
| `message.edited` | Y | Y | N | Y | N | Y | N | N | Y |
|
||||
| `message.deleted` | Y | Y | Y | Y | N | Y | Y | N | Y |
|
||||
| `message.reaction` | Y | Y | Y | Y | Y | Y | N | N | Y |
|
||||
| `group.member_joined` | Y | Y | Y | Y | Y | Y | Y | Y | Y |
|
||||
| `group.member_left` | Y | Y | Y | Y | Y | Y | Y | Y | Y |
|
||||
| `group.member_banned` | Y | Y | Y | N | N | N | N | N | N |
|
||||
| `group.info_updated` | Y | Y | Y | Y | Y | Y | N | N | Y |
|
||||
| `friend.request_received` | N | Y | Y | N | N | N | Y | Y | Y |
|
||||
| `friend.added` | N | Y | Y | N | N | N | Y | Y | N |
|
||||
| `bot.invited_to_group` | Y | Y | Y | Y | Y | Y | Y | N | Y |
|
||||
| `bot.removed_from_group` | Y | Y | Y | Y | N | N | Y | N | Y |
|
||||
| `bot.muted` | N | N | Y | N | N | N | N | N | N |
|
||||
|
||||
> 注:此表为初步评估,具体以各平台 SDK/API 文档为准,实施时逐个确认。
|
||||
|
||||
## 5. 事件生命周期
|
||||
|
||||
```
|
||||
1. 平台 SDK 回调触发
|
||||
│
|
||||
2. 适配器 EventConverter.target2yiri(raw_event)
|
||||
│ 将平台原生事件转换为统一 Event 对象
|
||||
│ 无法映射的事件 → PlatformSpecificEvent
|
||||
│
|
||||
3. 适配器回调注册的 listener(event, adapter)
|
||||
│
|
||||
4. RuntimeBot 接收事件
|
||||
│
|
||||
5. EventBus 分发
|
||||
│
|
||||
6. EventRouter 查询 Bot 的 event_handlers 配置
|
||||
│ 匹配事件类型 → 找到对应的 Handler
|
||||
│ 支持通配符:'message.*' 匹配所有消息事件
|
||||
│ 未匹配到 → 走默认 Handler(plugin,保持向后兼容)
|
||||
│
|
||||
7. Handler 处理事件
|
||||
│ PipelineHandler → 进入 Pipeline 流水线
|
||||
│ AgentHandler → 调用 RequestRunner
|
||||
│ WebhookHandler → POST 到外部 URL
|
||||
│ PluginHandler → 分发给插件 EventListener
|
||||
│
|
||||
8. Handler 执行完毕,可能通过 API 执行响应动作
|
||||
(发消息、编辑消息、踢人、同意好友请求等)
|
||||
```
|
||||
|
||||
## 6. 与现有事件类型的兼容映射
|
||||
|
||||
为保证现有插件不受影响,建立以下映射关系:
|
||||
|
||||
| 新事件 | 条件 | 旧事件 |
|
||||
|--------|------|--------|
|
||||
| `MessageReceivedEvent` (chat_type=private) | — | `FriendMessage` |
|
||||
| `MessageReceivedEvent` (chat_type=group) | — | `GroupMessage` |
|
||||
|
||||
在插件 SDK 层面:
|
||||
|
||||
| 新事件 | 旧插件事件 |
|
||||
|--------|-----------|
|
||||
| `MessageReceivedEvent` (chat_type=private, 非命令) | `PersonNormalMessageReceived` |
|
||||
| `MessageReceivedEvent` (chat_type=group, 非命令) | `GroupNormalMessageReceived` |
|
||||
| `MessageReceivedEvent` (chat_type=private, 命令) | `PersonCommandSent` |
|
||||
| `MessageReceivedEvent` (chat_type=group, 命令) | `GroupCommandSent` |
|
||||
| `MessageReceivedEvent` (处理完毕后) | `NormalMessageResponded` |
|
||||
|
||||
兼容层在事件分发给插件 EventListener 时自动生成旧格式事件,确保监听旧事件类型的插件仍能正常工作。
|
||||
|
||||
## 7. 事件类型注册表
|
||||
|
||||
适配器在 manifest.yaml 中声明自己支持的事件类型:
|
||||
|
||||
```yaml
|
||||
kind: MessagePlatformAdapter
|
||||
metadata:
|
||||
name: telegram
|
||||
spec:
|
||||
supported_events:
|
||||
- message.received
|
||||
- message.edited
|
||||
- message.deleted
|
||||
- message.reaction
|
||||
- group.member_joined
|
||||
- group.member_left
|
||||
- group.member_banned
|
||||
- group.info_updated
|
||||
- bot.invited_to_group
|
||||
- bot.removed_from_group
|
||||
platform_specific_events:
|
||||
- chat_member_updated
|
||||
- chat_join_request
|
||||
```
|
||||
|
||||
这份声明用于:
|
||||
1. WebUI 在配置事件处理器时,只显示当前 Bot 的适配器支持的事件类型
|
||||
2. EventRouter 在路由时校验事件类型有效性
|
||||
3. 文档自动生成
|
||||
546
docs/event-based-agents/02-platform-api.md
Normal file
546
docs/event-based-agents/02-platform-api.md
Normal file
@@ -0,0 +1,546 @@
|
||||
# 统一平台 API 与实体定义
|
||||
|
||||
## 1. 设计原则
|
||||
|
||||
- **通用 API 抽象**:大部分平台都支持的操作(发消息、获取群信息等)定义为通用 API 方法
|
||||
- **required / optional 标记**:每个 API 标记为必需或可选,适配器未实现可选 API 时抛出 `NotSupportedError`
|
||||
- **透传机制**:适配器特有的操作通过 `call_platform_api(action, params)` 统一入口透传调用
|
||||
- **能力声明**:适配器在 manifest 中声明自己支持的 API 列表,供 WebUI 和插件查询
|
||||
- **实体统一**:通用实体(User、Group 等)在 SDK 层面统一定义,适配器负责转换
|
||||
|
||||
## 2. 通用实体定义
|
||||
|
||||
### 2.1 现有实体回顾
|
||||
|
||||
当前 SDK 已有以下实体(`langbot_plugin/api/entities/builtin/platform/entities.py`):
|
||||
|
||||
```python
|
||||
Entity(id)
|
||||
├── Friend(id, nickname, remark)
|
||||
├── Group(id, name, permission)
|
||||
└── GroupMember(id, member_name, permission, group, special_title)
|
||||
```
|
||||
|
||||
### 2.2 新实体设计
|
||||
|
||||
扩展实体体系,保持向后兼容:
|
||||
|
||||
```python
|
||||
class User(pydantic.BaseModel):
|
||||
"""用户实体(统一表示)"""
|
||||
|
||||
id: typing.Union[int, str]
|
||||
"""用户 ID"""
|
||||
|
||||
nickname: str = ""
|
||||
"""昵称"""
|
||||
|
||||
avatar_url: typing.Optional[str] = None
|
||||
"""头像 URL"""
|
||||
|
||||
is_bot: bool = False
|
||||
"""是否为 Bot"""
|
||||
|
||||
# 以下为可选的扩展信息,不同平台可能部分为空
|
||||
username: typing.Optional[str] = None
|
||||
"""用户名(如 Telegram 的 @username)"""
|
||||
|
||||
remark: typing.Optional[str] = None
|
||||
"""备注名"""
|
||||
|
||||
|
||||
class Group(pydantic.BaseModel):
|
||||
"""群组实体"""
|
||||
|
||||
id: typing.Union[int, str]
|
||||
"""群组 ID"""
|
||||
|
||||
name: str = ""
|
||||
"""群组名称"""
|
||||
|
||||
description: typing.Optional[str] = None
|
||||
"""群组描述"""
|
||||
|
||||
member_count: typing.Optional[int] = None
|
||||
"""成员数量"""
|
||||
|
||||
avatar_url: typing.Optional[str] = None
|
||||
"""群组头像 URL"""
|
||||
|
||||
owner_id: typing.Optional[typing.Union[int, str]] = None
|
||||
"""群主 ID"""
|
||||
|
||||
|
||||
class GroupMember(pydantic.BaseModel):
|
||||
"""群成员实体"""
|
||||
|
||||
user: User
|
||||
"""用户信息"""
|
||||
|
||||
group_id: typing.Union[int, str]
|
||||
"""所属群组 ID"""
|
||||
|
||||
role: MemberRole
|
||||
"""群内角色"""
|
||||
|
||||
display_name: typing.Optional[str] = None
|
||||
"""群内显示名"""
|
||||
|
||||
joined_at: typing.Optional[float] = None
|
||||
"""加入群组的时间戳"""
|
||||
|
||||
title: typing.Optional[str] = None
|
||||
"""群头衔/特殊称号"""
|
||||
|
||||
|
||||
class MemberRole(str, Enum):
|
||||
"""群成员角色"""
|
||||
OWNER = "owner"
|
||||
ADMIN = "admin"
|
||||
MEMBER = "member"
|
||||
```
|
||||
|
||||
### 2.3 与现有实体的兼容映射
|
||||
|
||||
| 新实体 | 旧实体 | 映射方式 |
|
||||
|--------|--------|----------|
|
||||
| `User` | `Friend` | `User(id=friend.id, nickname=friend.nickname, remark=friend.remark)` |
|
||||
| `Group` | `Group`(旧) | `Group(id=old.id, name=old.name)` + `permission` 字段弃用 |
|
||||
| `GroupMember` | `GroupMember`(旧) | `GroupMember(user=User(...), role=..., display_name=old.member_name)` |
|
||||
| `MemberRole` | `Permission` | `OWNER↔Owner`, `ADMIN↔Administrator`, `MEMBER↔Member` |
|
||||
|
||||
旧实体类保留,标记为 `@deprecated`,内部通过转换方法桥接到新实体。
|
||||
|
||||
## 3. 通用 API 定义
|
||||
|
||||
### 3.1 API 方法一览
|
||||
|
||||
#### 消息 API
|
||||
|
||||
| 方法 | 必需/可选 | 说明 |
|
||||
|------|----------|------|
|
||||
| `send_message(target_type, target_id, message)` | **必需** | 主动发送消息 |
|
||||
| `reply_message(event, message, quote_origin)` | **必需** | 回复一个消息事件 |
|
||||
| `edit_message(chat_type, chat_id, message_id, new_content)` | 可选 | 编辑已发送的消息 |
|
||||
| `delete_message(chat_type, chat_id, message_id)` | 可选 | 删除/撤回消息 |
|
||||
| `forward_message(from_chat, message_id, to_chat_type, to_chat_id)` | 可选 | 转发消息到另一个会话 |
|
||||
| `get_message(chat_type, chat_id, message_id)` | 可选 | 获取指定消息的内容 |
|
||||
|
||||
#### 群组 API
|
||||
|
||||
| 方法 | 必需/可选 | 说明 |
|
||||
|------|----------|------|
|
||||
| `get_group_info(group_id)` | 可选 | 获取群组信息 |
|
||||
| `get_group_list()` | 可选 | 获取 Bot 加入的群组列表 |
|
||||
| `get_group_member_list(group_id)` | 可选 | 获取群成员列表 |
|
||||
| `get_group_member_info(group_id, user_id)` | 可选 | 获取指定群成员信息 |
|
||||
| `set_group_name(group_id, name)` | 可选 | 修改群名称 |
|
||||
| `mute_member(group_id, user_id, duration)` | 可选 | 禁言群成员 |
|
||||
| `unmute_member(group_id, user_id)` | 可选 | 解除禁言 |
|
||||
| `kick_member(group_id, user_id)` | 可选 | 踢出群成员 |
|
||||
| `leave_group(group_id)` | 可选 | Bot 退出群组 |
|
||||
|
||||
#### 用户 API
|
||||
|
||||
| 方法 | 必需/可选 | 说明 |
|
||||
|------|----------|------|
|
||||
| `get_user_info(user_id)` | 可选 | 获取用户信息 |
|
||||
| `get_friend_list()` | 可选 | 获取好友列表 |
|
||||
| `approve_friend_request(request_id, approve, remark)` | 可选 | 处理好友请求 |
|
||||
| `approve_group_invite(request_id, approve)` | 可选 | 处理入群邀请 |
|
||||
|
||||
#### 媒体 API
|
||||
|
||||
| 方法 | 必需/可选 | 说明 |
|
||||
|------|----------|------|
|
||||
| `upload_file(file_data, filename)` | 可选 | 上传文件,返回可引用的文件 ID 或 URL |
|
||||
| `get_file_url(file_id)` | 可选 | 获取文件下载 URL |
|
||||
|
||||
#### 透传 API
|
||||
|
||||
| 方法 | 必需/可选 | 说明 |
|
||||
|------|----------|------|
|
||||
| `call_platform_api(action, params)` | 可选 | 调用适配器特有 API |
|
||||
|
||||
### 3.2 API 方法签名详解
|
||||
|
||||
```python
|
||||
class AbstractPlatformAdapter(pydantic.BaseModel, metaclass=abc.ABCMeta):
|
||||
"""平台适配器基类(新版)"""
|
||||
|
||||
# ======== 必需方法 ========
|
||||
|
||||
@abc.abstractmethod
|
||||
async def send_message(
|
||||
self,
|
||||
target_type: str, # "private" | "group"
|
||||
target_id: typing.Union[int, str],
|
||||
message: MessageChain,
|
||||
) -> MessageResult:
|
||||
"""主动发送消息
|
||||
|
||||
Returns:
|
||||
MessageResult: 包含 message_id 等发送结果
|
||||
"""
|
||||
...
|
||||
|
||||
@abc.abstractmethod
|
||||
async def reply_message(
|
||||
self,
|
||||
event: MessageReceivedEvent,
|
||||
message: MessageChain,
|
||||
quote_origin: bool = False,
|
||||
) -> MessageResult:
|
||||
"""回复一个消息事件"""
|
||||
...
|
||||
|
||||
# ======== 可选消息方法 ========
|
||||
|
||||
async def edit_message(
|
||||
self,
|
||||
chat_type: str,
|
||||
chat_id: typing.Union[int, str],
|
||||
message_id: typing.Union[int, str],
|
||||
new_content: MessageChain,
|
||||
) -> None:
|
||||
"""编辑已发送的消息"""
|
||||
raise NotSupportedError("edit_message")
|
||||
|
||||
async def delete_message(
|
||||
self,
|
||||
chat_type: str,
|
||||
chat_id: typing.Union[int, str],
|
||||
message_id: typing.Union[int, str],
|
||||
) -> None:
|
||||
"""删除/撤回消息"""
|
||||
raise NotSupportedError("delete_message")
|
||||
|
||||
async def forward_message(
|
||||
self,
|
||||
from_chat_type: str,
|
||||
from_chat_id: typing.Union[int, str],
|
||||
message_id: typing.Union[int, str],
|
||||
to_chat_type: str,
|
||||
to_chat_id: typing.Union[int, str],
|
||||
) -> MessageResult:
|
||||
"""转发消息"""
|
||||
raise NotSupportedError("forward_message")
|
||||
|
||||
async def get_message(
|
||||
self,
|
||||
chat_type: str,
|
||||
chat_id: typing.Union[int, str],
|
||||
message_id: typing.Union[int, str],
|
||||
) -> MessageReceivedEvent:
|
||||
"""获取指定消息"""
|
||||
raise NotSupportedError("get_message")
|
||||
|
||||
# ======== 可选群组方法 ========
|
||||
|
||||
async def get_group_info(
|
||||
self,
|
||||
group_id: typing.Union[int, str],
|
||||
) -> Group:
|
||||
"""获取群组信息"""
|
||||
raise NotSupportedError("get_group_info")
|
||||
|
||||
async def get_group_list(self) -> list[Group]:
|
||||
"""获取 Bot 加入的群组列表"""
|
||||
raise NotSupportedError("get_group_list")
|
||||
|
||||
async def get_group_member_list(
|
||||
self,
|
||||
group_id: typing.Union[int, str],
|
||||
) -> list[GroupMember]:
|
||||
"""获取群成员列表"""
|
||||
raise NotSupportedError("get_group_member_list")
|
||||
|
||||
async def get_group_member_info(
|
||||
self,
|
||||
group_id: typing.Union[int, str],
|
||||
user_id: typing.Union[int, str],
|
||||
) -> GroupMember:
|
||||
"""获取指定群成员信息"""
|
||||
raise NotSupportedError("get_group_member_info")
|
||||
|
||||
async def set_group_name(
|
||||
self,
|
||||
group_id: typing.Union[int, str],
|
||||
name: str,
|
||||
) -> None:
|
||||
"""修改群名称"""
|
||||
raise NotSupportedError("set_group_name")
|
||||
|
||||
async def mute_member(
|
||||
self,
|
||||
group_id: typing.Union[int, str],
|
||||
user_id: typing.Union[int, str],
|
||||
duration: int = 0,
|
||||
) -> None:
|
||||
"""禁言群成员,duration 为秒数,0 表示永久"""
|
||||
raise NotSupportedError("mute_member")
|
||||
|
||||
async def unmute_member(
|
||||
self,
|
||||
group_id: typing.Union[int, str],
|
||||
user_id: typing.Union[int, str],
|
||||
) -> None:
|
||||
"""解除禁言"""
|
||||
raise NotSupportedError("unmute_member")
|
||||
|
||||
async def kick_member(
|
||||
self,
|
||||
group_id: typing.Union[int, str],
|
||||
user_id: typing.Union[int, str],
|
||||
) -> None:
|
||||
"""踢出群成员"""
|
||||
raise NotSupportedError("kick_member")
|
||||
|
||||
async def leave_group(
|
||||
self,
|
||||
group_id: typing.Union[int, str],
|
||||
) -> None:
|
||||
"""Bot 退出群组"""
|
||||
raise NotSupportedError("leave_group")
|
||||
|
||||
# ======== 可选用户方法 ========
|
||||
|
||||
async def get_user_info(
|
||||
self,
|
||||
user_id: typing.Union[int, str],
|
||||
) -> User:
|
||||
"""获取用户信息"""
|
||||
raise NotSupportedError("get_user_info")
|
||||
|
||||
async def get_friend_list(self) -> list[User]:
|
||||
"""获取好友列表"""
|
||||
raise NotSupportedError("get_friend_list")
|
||||
|
||||
async def approve_friend_request(
|
||||
self,
|
||||
request_id: typing.Union[int, str],
|
||||
approve: bool = True,
|
||||
remark: typing.Optional[str] = None,
|
||||
) -> None:
|
||||
"""处理好友请求"""
|
||||
raise NotSupportedError("approve_friend_request")
|
||||
|
||||
async def approve_group_invite(
|
||||
self,
|
||||
request_id: typing.Union[int, str],
|
||||
approve: bool = True,
|
||||
) -> None:
|
||||
"""处理入群邀请"""
|
||||
raise NotSupportedError("approve_group_invite")
|
||||
|
||||
# ======== 可选媒体方法 ========
|
||||
|
||||
async def upload_file(
|
||||
self,
|
||||
file_data: bytes,
|
||||
filename: str,
|
||||
) -> str:
|
||||
"""上传文件,返回文件 ID 或 URL"""
|
||||
raise NotSupportedError("upload_file")
|
||||
|
||||
async def get_file_url(
|
||||
self,
|
||||
file_id: str,
|
||||
) -> str:
|
||||
"""获取文件下载 URL"""
|
||||
raise NotSupportedError("get_file_url")
|
||||
|
||||
# ======== 透传 API ========
|
||||
|
||||
async def call_platform_api(
|
||||
self,
|
||||
action: str,
|
||||
params: dict = {},
|
||||
) -> dict:
|
||||
"""调用适配器特有 API
|
||||
|
||||
Args:
|
||||
action: 平台特有的 API 动作标识
|
||||
params: 参数字典
|
||||
|
||||
Returns:
|
||||
dict: 返回结果
|
||||
|
||||
Examples:
|
||||
# Telegram: pin 消息
|
||||
await adapter.call_platform_api("pin_message", {
|
||||
"chat_id": 123456,
|
||||
"message_id": 789
|
||||
})
|
||||
|
||||
# Discord: 创建频道
|
||||
await adapter.call_platform_api("create_channel", {
|
||||
"guild_id": "...",
|
||||
"name": "new-channel",
|
||||
"type": "text"
|
||||
})
|
||||
"""
|
||||
raise NotSupportedError("call_platform_api")
|
||||
|
||||
# ======== 流式输出(保留现有机制) ========
|
||||
|
||||
async def reply_message_chunk(
|
||||
self,
|
||||
event: MessageReceivedEvent,
|
||||
bot_message: dict,
|
||||
message: MessageChain,
|
||||
quote_origin: bool = False,
|
||||
is_final: bool = False,
|
||||
):
|
||||
"""流式回复消息"""
|
||||
raise NotSupportedError("reply_message_chunk")
|
||||
|
||||
async def is_stream_output_supported(self) -> bool:
|
||||
"""是否支持流式输出"""
|
||||
return False
|
||||
|
||||
# ======== 生命周期方法(保留现有) ========
|
||||
|
||||
@abc.abstractmethod
|
||||
async def run_async(self):
|
||||
"""启动适配器"""
|
||||
...
|
||||
|
||||
@abc.abstractmethod
|
||||
async def kill(self) -> bool:
|
||||
"""停止适配器"""
|
||||
...
|
||||
|
||||
@abc.abstractmethod
|
||||
def register_listener(self, event_type, callback):
|
||||
"""注册事件监听器"""
|
||||
...
|
||||
|
||||
@abc.abstractmethod
|
||||
def unregister_listener(self, event_type, callback):
|
||||
"""注销事件监听器"""
|
||||
...
|
||||
```
|
||||
|
||||
### 3.3 返回值类型
|
||||
|
||||
```python
|
||||
class MessageResult(pydantic.BaseModel):
|
||||
"""消息发送结果"""
|
||||
|
||||
message_id: typing.Optional[typing.Union[int, str]] = None
|
||||
"""发送成功后的消息 ID"""
|
||||
|
||||
raw: typing.Optional[dict] = None
|
||||
"""平台原始返回数据"""
|
||||
|
||||
|
||||
class NotSupportedError(Exception):
|
||||
"""适配器未实现此 API"""
|
||||
|
||||
def __init__(self, api_name: str):
|
||||
self.api_name = api_name
|
||||
super().__init__(f"API not supported by this adapter: {api_name}")
|
||||
```
|
||||
|
||||
## 4. API 能力声明
|
||||
|
||||
适配器在 manifest.yaml 中声明支持的 API:
|
||||
|
||||
```yaml
|
||||
kind: MessagePlatformAdapter
|
||||
metadata:
|
||||
name: telegram
|
||||
spec:
|
||||
supported_apis:
|
||||
required:
|
||||
- send_message
|
||||
- reply_message
|
||||
optional:
|
||||
- edit_message
|
||||
- delete_message
|
||||
- get_group_info
|
||||
- get_group_member_list
|
||||
- get_user_info
|
||||
- upload_file
|
||||
- get_file_url
|
||||
- call_platform_api
|
||||
platform_specific_apis:
|
||||
- action: pin_message
|
||||
description: "Pin a message in a chat"
|
||||
params_schema:
|
||||
chat_id: { type: "string", required: true }
|
||||
message_id: { type: "string", required: true }
|
||||
- action: unpin_message
|
||||
description: "Unpin a message"
|
||||
params_schema:
|
||||
chat_id: { type: "string", required: true }
|
||||
message_id: { type: "string", required: true }
|
||||
```
|
||||
|
||||
用途:
|
||||
1. **WebUI**:在配置界面展示当前 Bot 可用的 API 能力
|
||||
2. **插件**:插件可查询某个 Bot 是否支持特定 API,据此决定行为
|
||||
3. **文档**:自动生成各适配器的 API 支持矩阵
|
||||
|
||||
## 5. 各平台 API 支持矩阵
|
||||
|
||||
| API | Telegram | Discord | OneBot(QQ) | 飞书 | 钉钉 | Slack | 微信 | LINE | KOOK |
|
||||
|-----|----------|---------|-----------|------|------|-------|------|------|------|
|
||||
| `send_message` | Y | Y | Y | Y | Y | Y | Y | Y | Y |
|
||||
| `reply_message` | Y | Y | Y | Y | Y | Y | Y | Y | Y |
|
||||
| `edit_message` | Y | Y | N | Y | N | Y | N | N | Y |
|
||||
| `delete_message` | Y | Y | Y | Y | N | Y | Y | N | Y |
|
||||
| `forward_message` | Y | N | Y | Y | N | N | Y | N | N |
|
||||
| `get_group_info` | Y | Y | Y | Y | Y | Y | N | Y | Y |
|
||||
| `get_group_member_list` | Y | Y | Y | Y | Y | Y | N | Y | Y |
|
||||
| `get_user_info` | Y | Y | Y | Y | Y | Y | N | Y | Y |
|
||||
| `get_friend_list` | N | Y | Y | N | N | N | Y | N | N |
|
||||
| `mute_member` | Y | Y | Y | N | N | N | N | N | N |
|
||||
| `kick_member` | Y | Y | Y | N | N | N | N | N | Y |
|
||||
| `upload_file` | Y | Y | Y | Y | Y | Y | Y | Y | Y |
|
||||
| `call_platform_api` | Y | Y | Y | Y | Y | Y | Y | Y | Y |
|
||||
|
||||
> 注:此表为初步评估,具体以各平台 SDK/API 文档为准。
|
||||
|
||||
## 6. MessageChain 扩展
|
||||
|
||||
### 6.1 保留的通用组件
|
||||
|
||||
以下 MessageComponent 类型保持不变,继续作为通用消息元素:
|
||||
|
||||
- `Source` — 消息元信息
|
||||
- `Plain` — 纯文本
|
||||
- `Quote` — 引用回复
|
||||
- `At` / `AtAll` — @提及
|
||||
- `Image` — 图片
|
||||
- `Voice` — 语音
|
||||
- `File` — 文件
|
||||
- `Forward` — 合并转发
|
||||
- `Face` — 表情
|
||||
- `Unknown` — 未知类型
|
||||
|
||||
### 6.2 平台特有组件处理
|
||||
|
||||
当前 MessageChain 中存在大量微信特有的组件类型(`WeChatMiniPrograms`, `WeChatEmoji`, `WeChatLink` 等)。在新架构下:
|
||||
|
||||
- 这些类型**继续保留**在 SDK 中以保持兼容
|
||||
- 新增的平台特有消息组件统一使用 `PlatformComponent` 基类:
|
||||
|
||||
```python
|
||||
class PlatformComponent(MessageComponent):
|
||||
"""平台特有的消息组件"""
|
||||
|
||||
type: str = "Platform"
|
||||
|
||||
platform: str
|
||||
"""平台标识"""
|
||||
|
||||
component_type: str
|
||||
"""组件类型"""
|
||||
|
||||
data: dict = {}
|
||||
"""组件数据"""
|
||||
```
|
||||
|
||||
适配器在转换消息链时,对于无法映射到通用组件的平台特有内容,使用 `PlatformComponent` 承载。
|
||||
479
docs/event-based-agents/03-adapter-structure.md
Normal file
479
docs/event-based-agents/03-adapter-structure.md
Normal file
@@ -0,0 +1,479 @@
|
||||
# 适配器新目录结构
|
||||
|
||||
## 1. 设计目标
|
||||
|
||||
- **模块化**:每个适配器从单文件拆分到独立目录,各模块职责清晰
|
||||
- **可维护**:随着事件和 API 的增加,代码量会显著增长,目录结构有助于管理复杂度
|
||||
- **一致性**:所有适配器遵循相同的目录布局和文件命名约定
|
||||
- **兼容现有发现机制**:保持 YAML manifest + ComponentDiscoveryEngine 的注册体系
|
||||
|
||||
## 2. 新目录布局
|
||||
|
||||
### 2.1 整体结构
|
||||
|
||||
```
|
||||
pkg/platform/
|
||||
├── __init__.py
|
||||
├── botmgr.py # PlatformManager + RuntimeBot(重构)
|
||||
├── event_bus.py # EventBus(新增)
|
||||
├── event_router.py # EventRouter(新增)
|
||||
├── logger.py # EventLogger(保留)
|
||||
├── webhook_pusher.py # WebhookPusher(重构为 WebhookHandler)
|
||||
│
|
||||
├── adapters/ # 适配器(新目录)
|
||||
│ ├── __init__.py
|
||||
│ │
|
||||
│ ├── telegram/
|
||||
│ │ ├── __init__.py
|
||||
│ │ ├── adapter.py # TelegramAdapter 主类
|
||||
│ │ ├── event_converter.py # 平台事件 → 统一事件
|
||||
│ │ ├── message_converter.py # MessageChain 互转
|
||||
│ │ ├── api_impl.py # 通用 API 实现
|
||||
│ │ ├── platform_api.py # call_platform_api 的动作映射
|
||||
│ │ ├── types.py # 平台特有类型定义
|
||||
│ │ └── manifest.yaml # 适配器清单
|
||||
│ │
|
||||
│ ├── discord/
|
||||
│ │ ├── __init__.py
|
||||
│ │ ├── adapter.py
|
||||
│ │ ├── event_converter.py
|
||||
│ │ ├── message_converter.py
|
||||
│ │ ├── api_impl.py
|
||||
│ │ ├── platform_api.py
|
||||
│ │ ├── types.py
|
||||
│ │ ├── voice.py # Discord 语音连接管理(特有)
|
||||
│ │ └── manifest.yaml
|
||||
│ │
|
||||
│ ├── aiocqhttp/ # OneBot v11 (QQ)
|
||||
│ │ └── ...
|
||||
│ ├── qqofficial/
|
||||
│ │ └── ...
|
||||
│ ├── lark/ # 飞书
|
||||
│ │ └── ...
|
||||
│ ├── dingtalk/
|
||||
│ │ └── ...
|
||||
│ ├── slack/
|
||||
│ │ └── ...
|
||||
│ ├── wechatpad/
|
||||
│ │ └── ...
|
||||
│ ├── officialaccount/ # 微信公众号
|
||||
│ │ └── ...
|
||||
│ ├── wecom/ # 企业微信
|
||||
│ │ └── ...
|
||||
│ ├── wecombot/
|
||||
│ │ └── ...
|
||||
│ ├── wecomcs/
|
||||
│ │ └── ...
|
||||
│ ├── kook/
|
||||
│ │ └── ...
|
||||
│ ├── line/
|
||||
│ │ └── ...
|
||||
│ ├── satori/
|
||||
│ │ └── ...
|
||||
│ ├── websocket/ # 内置 WebSocket 适配器
|
||||
│ │ ├── __init__.py
|
||||
│ │ ├── adapter.py
|
||||
│ │ ├── manager.py # WebSocket 连接管理
|
||||
│ │ └── manifest.yaml
|
||||
│ │
|
||||
│ └── legacy/ # 旧版适配器(保留一段时间后移除)
|
||||
│ ├── gewechat/
|
||||
│ ├── nakuru/
|
||||
│ └── qqbotpy/
|
||||
│
|
||||
└── handlers/ # 事件处理器实现(新增)
|
||||
├── __init__.py
|
||||
├── base.py # AbstractEventHandler 基类
|
||||
├── pipeline_handler.py # PipelineHandler
|
||||
├── agent_handler.py # AgentHandler
|
||||
├── webhook_handler.py # WebhookHandler
|
||||
└── plugin_handler.py # PluginHandler
|
||||
```
|
||||
|
||||
### 2.2 适配器目录内各文件职责
|
||||
|
||||
以 Telegram 为例:
|
||||
|
||||
| 文件 | 职责 | 关键类/函数 |
|
||||
|------|------|------------|
|
||||
| `adapter.py` | 主入口,继承 `AbstractPlatformAdapter`,组装其他模块 | `TelegramAdapter` |
|
||||
| `event_converter.py` | 将 Telegram 原生事件转换为统一事件类型 | `TelegramEventConverter` — 支持 Message/Edit/Delete/Reaction/MemberJoin 等所有事件 |
|
||||
| `message_converter.py` | `MessageChain` 与 Telegram 消息格式互转 | `TelegramMessageConverter.yiri2target()` / `target2yiri()` |
|
||||
| `api_impl.py` | 实现通用 API 方法(edit_message, delete_message, get_group_info 等) | 各 API 方法的 Telegram 实现 |
|
||||
| `platform_api.py` | 实现 `call_platform_api` 的动作分发表 | `PLATFORM_API_MAP = {"pin_message": ..., "unpin_message": ...}` |
|
||||
| `types.py` | 平台特有的类型定义 | Telegram 特有的枚举、配置结构等 |
|
||||
| `manifest.yaml` | 适配器清单:名称、配置 schema、支持的事件和 API 列表 | — |
|
||||
|
||||
## 3. 新基类设计
|
||||
|
||||
### 3.1 AbstractPlatformAdapter
|
||||
|
||||
新基类继承自现有 `AbstractMessagePlatformAdapter` 并扩展,位于 `langbot-plugin-sdk` 中:
|
||||
|
||||
```python
|
||||
# langbot_plugin/api/definition/abstract/platform/adapter.py
|
||||
|
||||
class AbstractPlatformAdapter(pydantic.BaseModel, metaclass=abc.ABCMeta):
|
||||
"""平台适配器基类(EBA 版本)
|
||||
|
||||
相比旧版 AbstractMessagePlatformAdapter:
|
||||
- 新增通用 API 方法(edit_message, delete_message, get_group_info 等)
|
||||
- 新增透传 API(call_platform_api)
|
||||
- 新增能力声明(get_supported_events, get_supported_apis)
|
||||
- 事件监听器支持所有事件类型,不仅限于消息事件
|
||||
"""
|
||||
|
||||
bot_account_id: str = ""
|
||||
config: dict
|
||||
logger: AbstractEventLogger = pydantic.Field(exclude=True)
|
||||
|
||||
class Config:
|
||||
arbitrary_types_allowed = True
|
||||
|
||||
# ---- 能力声明 ----
|
||||
|
||||
def get_supported_events(self) -> list[str]:
|
||||
"""返回此适配器支持的事件类型列表
|
||||
|
||||
默认实现从 manifest.yaml 读取。
|
||||
适配器也可以 override 此方法动态声明。
|
||||
"""
|
||||
return ["message.received"]
|
||||
|
||||
def get_supported_apis(self) -> list[str]:
|
||||
"""返回此适配器支持的 API 列表
|
||||
|
||||
默认实现从 manifest.yaml 读取。
|
||||
"""
|
||||
return ["send_message", "reply_message"]
|
||||
|
||||
# ---- 必需方法(抽象) ----
|
||||
|
||||
@abc.abstractmethod
|
||||
async def send_message(self, target_type, target_id, message) -> MessageResult:
|
||||
...
|
||||
|
||||
@abc.abstractmethod
|
||||
async def reply_message(self, event, message, quote_origin=False) -> MessageResult:
|
||||
...
|
||||
|
||||
@abc.abstractmethod
|
||||
async def run_async(self):
|
||||
...
|
||||
|
||||
@abc.abstractmethod
|
||||
async def kill(self) -> bool:
|
||||
...
|
||||
|
||||
@abc.abstractmethod
|
||||
def register_listener(self, event_type, callback):
|
||||
...
|
||||
|
||||
@abc.abstractmethod
|
||||
def unregister_listener(self, event_type, callback):
|
||||
...
|
||||
|
||||
# ---- 可选方法(默认抛 NotSupportedError) ----
|
||||
# edit_message, delete_message, forward_message,
|
||||
# get_group_info, get_group_member_list, ...
|
||||
# call_platform_api, ...
|
||||
# (完整签名见 02-platform-api.md)
|
||||
|
||||
# ---- 流式输出(保留) ----
|
||||
|
||||
async def reply_message_chunk(self, event, bot_message, message,
|
||||
quote_origin=False, is_final=False):
|
||||
raise NotSupportedError("reply_message_chunk")
|
||||
|
||||
async def is_stream_output_supported(self) -> bool:
|
||||
return False
|
||||
|
||||
# ---- 消息卡片(保留) ----
|
||||
|
||||
async def create_message_card(self, message_id, event) -> bool:
|
||||
return False
|
||||
|
||||
async def is_muted(self, group_id) -> bool:
|
||||
return False
|
||||
```
|
||||
|
||||
### 3.2 AbstractMessagePlatformAdapter 兼容
|
||||
|
||||
旧的 `AbstractMessagePlatformAdapter` 保留为 `AbstractPlatformAdapter` 的类型别名:
|
||||
|
||||
```python
|
||||
# 向后兼容
|
||||
AbstractMessagePlatformAdapter = AbstractPlatformAdapter
|
||||
```
|
||||
|
||||
现有适配器代码中的 `AbstractMessagePlatformAdapter` 引用不需要立即修改。
|
||||
|
||||
### 3.3 EventConverter 新设计
|
||||
|
||||
现有 `AbstractEventConverter` 只有 `target2yiri` 和 `yiri2target` 两个静态方法,且只处理消息事件。
|
||||
|
||||
新设计支持多种事件类型:
|
||||
|
||||
```python
|
||||
class AbstractEventConverter:
|
||||
"""事件转换器基类(EBA 版本)
|
||||
|
||||
适配器需要实现此转换器,将平台原生事件转换为统一事件。
|
||||
"""
|
||||
|
||||
@staticmethod
|
||||
def target2yiri(raw_event: typing.Any) -> typing.Optional[Event]:
|
||||
"""将平台原生事件转换为统一事件
|
||||
|
||||
Args:
|
||||
raw_event: 平台 SDK 回调传入的原始事件对象
|
||||
|
||||
Returns:
|
||||
统一 Event 对象,如果无法转换或不需要处理则返回 None
|
||||
"""
|
||||
raise NotImplementedError
|
||||
|
||||
@staticmethod
|
||||
def yiri2target(event: Event) -> typing.Any:
|
||||
"""将统一事件转换为平台原生事件(一般不需要)"""
|
||||
raise NotImplementedError
|
||||
```
|
||||
|
||||
具体适配器的 EventConverter 实现会是一个分发式的结构:
|
||||
|
||||
```python
|
||||
class TelegramEventConverter(AbstractEventConverter):
|
||||
"""Telegram 事件转换器"""
|
||||
|
||||
@staticmethod
|
||||
def target2yiri(update: telegram.Update) -> typing.Optional[Event]:
|
||||
# 消息事件
|
||||
if update.message:
|
||||
return TelegramEventConverter._convert_message(update)
|
||||
# 消息编辑
|
||||
if update.edited_message:
|
||||
return TelegramEventConverter._convert_edited_message(update)
|
||||
# 成员变动
|
||||
if update.chat_member:
|
||||
return TelegramEventConverter._convert_chat_member(update)
|
||||
# 回调查询(按钮点击等)
|
||||
if update.callback_query:
|
||||
return TelegramEventConverter._convert_callback_query(update)
|
||||
# 其他 → PlatformSpecificEvent
|
||||
return TelegramEventConverter._convert_platform_specific(update)
|
||||
|
||||
@staticmethod
|
||||
def _convert_message(update) -> MessageReceivedEvent:
|
||||
...
|
||||
|
||||
@staticmethod
|
||||
def _convert_edited_message(update) -> MessageEditedEvent:
|
||||
...
|
||||
|
||||
@staticmethod
|
||||
def _convert_chat_member(update) -> typing.Union[
|
||||
MemberJoinedEvent, MemberLeftEvent, ...
|
||||
]:
|
||||
...
|
||||
|
||||
@staticmethod
|
||||
def _convert_platform_specific(update) -> PlatformSpecificEvent:
|
||||
...
|
||||
```
|
||||
|
||||
## 4. Manifest 文件格式扩展
|
||||
|
||||
现有 manifest.yaml 只声明 `kind`, `metadata`, `spec.config`, `execution`。
|
||||
|
||||
新增 `spec.supported_events` 和 `spec.supported_apis`:
|
||||
|
||||
```yaml
|
||||
apiVersion: v1
|
||||
kind: MessagePlatformAdapter
|
||||
|
||||
metadata:
|
||||
name: telegram
|
||||
label:
|
||||
en_US: Telegram
|
||||
zh_Hans: Telegram
|
||||
icon: telegram.svg
|
||||
description:
|
||||
en_US: Telegram Bot adapter
|
||||
zh_Hans: Telegram Bot 适配器
|
||||
|
||||
spec:
|
||||
config:
|
||||
# 现有配置 schema(保持不变)
|
||||
- key: token
|
||||
label: { en_US: "Bot Token", zh_Hans: "Bot Token" }
|
||||
type: string
|
||||
required: true
|
||||
sensitive: true
|
||||
# ...
|
||||
|
||||
supported_events:
|
||||
- message.received
|
||||
- message.edited
|
||||
- message.deleted
|
||||
- message.reaction
|
||||
- group.member_joined
|
||||
- group.member_left
|
||||
- group.member_banned
|
||||
- group.info_updated
|
||||
- bot.invited_to_group
|
||||
- bot.removed_from_group
|
||||
|
||||
supported_apis:
|
||||
required:
|
||||
- send_message
|
||||
- reply_message
|
||||
optional:
|
||||
- edit_message
|
||||
- delete_message
|
||||
- get_group_info
|
||||
- get_group_member_list
|
||||
- get_group_member_info
|
||||
- get_user_info
|
||||
- upload_file
|
||||
- get_file_url
|
||||
- call_platform_api
|
||||
|
||||
platform_specific_apis:
|
||||
- action: pin_message
|
||||
description: { en_US: "Pin a message", zh_Hans: "置顶消息" }
|
||||
- action: unpin_message
|
||||
description: { en_US: "Unpin a message", zh_Hans: "取消置顶" }
|
||||
- action: get_chat_administrators
|
||||
description: { en_US: "Get chat admins", zh_Hans: "获取群管理员列表" }
|
||||
|
||||
execution:
|
||||
python:
|
||||
path: pkg/platform/adapters/telegram/adapter.py
|
||||
attr: TelegramAdapter
|
||||
```
|
||||
|
||||
## 5. 适配器注册与发现
|
||||
|
||||
### 5.1 Blueprint 更新
|
||||
|
||||
`templates/components.yaml` 中更新扫描路径:
|
||||
|
||||
```yaml
|
||||
kind: Blueprint
|
||||
spec:
|
||||
components:
|
||||
MessagePlatformAdapter:
|
||||
fromDirs:
|
||||
- path: pkg/platform/adapters/ # 新路径
|
||||
```
|
||||
|
||||
`ComponentDiscoveryEngine` 的递归扫描逻辑不变——它会扫描所有子目录中的 `.yaml` 文件。因此每个适配器目录下的 `manifest.yaml` 会被自动发现。
|
||||
|
||||
### 5.2 PlatformManager 适配
|
||||
|
||||
`PlatformManager.initialize()` 的核心逻辑基本不变:
|
||||
|
||||
```python
|
||||
async def initialize(self):
|
||||
# 1. 发现适配器组件(自动扫描新目录结构)
|
||||
self.adapter_components = self.ap.discover.get_components_by_kind('MessagePlatformAdapter')
|
||||
|
||||
# 2. 动态导入适配器类
|
||||
for component in self.adapter_components:
|
||||
self.adapter_dict[component.metadata.name] = component.get_python_component_class()
|
||||
|
||||
# 3. 从数据库加载 Bot 并实例化适配器(不变)
|
||||
await self.load_bots_from_db()
|
||||
```
|
||||
|
||||
变更点:
|
||||
- `execution.python.path` 从 `pkg/platform/sources/telegram.py` 变为 `pkg/platform/adapters/telegram/adapter.py`
|
||||
- `get_python_component_class()` 正常工作,因为它按路径动态导入
|
||||
|
||||
## 6. RuntimeBot 重构
|
||||
|
||||
### 6.1 现有问题
|
||||
|
||||
当前 `RuntimeBot.initialize()` 硬编码注册了两个回调:
|
||||
|
||||
```python
|
||||
# 现有代码
|
||||
self.adapter.register_listener(platform_events.FriendMessage, on_friend_message)
|
||||
self.adapter.register_listener(platform_events.GroupMessage, on_group_message)
|
||||
```
|
||||
|
||||
### 6.2 新设计
|
||||
|
||||
`RuntimeBot` 改为注册一个通用的事件回调:
|
||||
|
||||
```python
|
||||
class RuntimeBot:
|
||||
async def initialize(self):
|
||||
# 注册通用事件回调,接收所有事件类型
|
||||
self.adapter.register_listener(Event, self._on_event)
|
||||
|
||||
async def _on_event(
|
||||
self,
|
||||
event: Event,
|
||||
adapter: AbstractPlatformAdapter,
|
||||
):
|
||||
"""统一事件入口"""
|
||||
|
||||
# 1. 设置事件的 bot_uuid 和 adapter_name
|
||||
event.bot_uuid = self.bot_entity.uuid
|
||||
event.adapter_name = self.bot_entity.adapter
|
||||
|
||||
# 2. 日志记录
|
||||
await self._log_event(event)
|
||||
|
||||
# 3. 提交给 EventBus
|
||||
await self.ap.event_bus.emit(event, adapter)
|
||||
```
|
||||
|
||||
适配器侧的 `register_listener` 实现也需调整:
|
||||
- 当 `event_type` 为 `Event`(基类)时,注册为"接收所有事件"的通配回调
|
||||
- 适配器在收到平台原生事件时,通过 `EventConverter.target2yiri()` 转换后,调用所有匹配的回调
|
||||
|
||||
## 7. 从现有单文件适配器迁移
|
||||
|
||||
### 7.1 迁移模式
|
||||
|
||||
以 Telegram 为例,从 `sources/telegram.py`(445 行)拆分:
|
||||
|
||||
| 原代码位置 | → 新文件 |
|
||||
|-----------|----------|
|
||||
| `TelegramMessageConverter` 类 | `telegram/message_converter.py` |
|
||||
| `TelegramEventConverter` 类 | `telegram/event_converter.py`(扩展,支持更多事件) |
|
||||
| `TelegramAdapter.__init__` / `run_async` / `kill` / `register_listener` | `telegram/adapter.py` |
|
||||
| `TelegramAdapter.send_message` / `reply_message` / `reply_message_chunk` | `telegram/adapter.py`(消息方法保留在主类)+ `telegram/api_impl.py`(新增 API) |
|
||||
| 新增代码 | `telegram/api_impl.py`(edit_message, delete_message, get_group_info 等) |
|
||||
| 新增代码 | `telegram/platform_api.py`(pin_message, unpin_message 等的映射) |
|
||||
| `telegram.yaml` | `telegram/manifest.yaml`(扩展 supported_events/apis) |
|
||||
|
||||
### 7.2 迁移顺序建议
|
||||
|
||||
1. **Telegram** — 功能最完整的适配器之一,适合作为模板
|
||||
2. **Discord** — 第二个迁移,验证模式的通用性
|
||||
3. **AioCQHTTP (OneBot)** — 国内最常用,确保兼容
|
||||
4. **其他适配器** — 按使用频率排序
|
||||
|
||||
### 7.3 渐进式迁移
|
||||
|
||||
不需要一次性迁移所有适配器。可以采用渐进策略:
|
||||
|
||||
1. 先在 `adapters/` 下建立新适配器
|
||||
2. `Blueprint` 同时扫描 `sources/` 和 `adapters/` 两个目录
|
||||
3. 旧适配器在 `sources/` 中继续工作
|
||||
4. 逐个迁移到新结构
|
||||
5. 全部迁移完成后移除 `sources/` 目录
|
||||
|
||||
```yaml
|
||||
# 过渡期的 Blueprint
|
||||
kind: Blueprint
|
||||
spec:
|
||||
components:
|
||||
MessagePlatformAdapter:
|
||||
fromDirs:
|
||||
- path: pkg/platform/sources/ # 旧路径(尚未迁移的适配器)
|
||||
- path: pkg/platform/adapters/ # 新路径(已迁移的适配器)
|
||||
```
|
||||
738
docs/event-based-agents/04-event-routing.md
Normal file
738
docs/event-based-agents/04-event-routing.md
Normal file
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|
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# 事件路由与编排
|
||||
|
||||
## 1. 概述
|
||||
|
||||
事件路由是 EBA 架构的核心机制:事件从适配器产生后,经由 EventBus 进入 EventRouter,由 EventRouter 根据 Bot 的配置将事件分发到对应的处理器(Handler)。
|
||||
|
||||
**配置方式**:用户在 WebUI 的 Bot 管理页面通过可视化编排面板管理事件处理器配置,配置数据存储在数据库的 Bot 表 `event_handlers` JSON 字段中。
|
||||
|
||||
## 2. 数据模型
|
||||
|
||||
### 2.1 Bot 实体扩展
|
||||
|
||||
在 `bots` 表新增 `event_handlers` 字段:
|
||||
|
||||
```python
|
||||
class Bot(Base):
|
||||
__tablename__ = "bots"
|
||||
|
||||
uuid: str # 主键
|
||||
name: str
|
||||
description: str
|
||||
adapter: str
|
||||
adapter_config: dict # JSON
|
||||
enable: bool
|
||||
|
||||
# 新增
|
||||
event_handlers: list # JSON — 事件处理器配置列表
|
||||
|
||||
# 保留(过渡期后弃用)
|
||||
use_pipeline_name: str # deprecated
|
||||
use_pipeline_uuid: str # deprecated
|
||||
|
||||
created_at: datetime
|
||||
updated_at: datetime
|
||||
```
|
||||
|
||||
### 2.2 EventHandler 配置结构
|
||||
|
||||
`event_handlers` 字段存储一个 JSON 数组,每个元素定义一条事件路由规则:
|
||||
|
||||
```python
|
||||
class EventHandlerConfig(pydantic.BaseModel):
|
||||
"""单条事件处理器配置"""
|
||||
|
||||
event_type: str
|
||||
"""匹配的事件类型
|
||||
|
||||
支持精确匹配和通配符:
|
||||
- "message.received" — 精确匹配
|
||||
- "message.*" — 匹配 message 命名空间下所有事件
|
||||
- "group.*" — 匹配 group 命名空间下所有事件
|
||||
- "*" — 匹配所有事件(兜底)
|
||||
"""
|
||||
|
||||
handler_type: str
|
||||
"""处理器类型: "pipeline" | "agent" | "webhook" | "plugin" """
|
||||
|
||||
handler_config: dict = {}
|
||||
"""处理器的具体配置,结构取决于 handler_type"""
|
||||
|
||||
enabled: bool = True
|
||||
"""是否启用此规则"""
|
||||
|
||||
priority: int = 0
|
||||
"""优先级,数字越大越先匹配(同一事件类型有多条规则时)"""
|
||||
|
||||
description: str = ""
|
||||
"""规则描述(供 WebUI 显示)"""
|
||||
```
|
||||
|
||||
### 2.3 各 Handler 类型的 handler_config 结构
|
||||
|
||||
#### pipeline
|
||||
|
||||
```json
|
||||
{
|
||||
"handler_type": "pipeline",
|
||||
"handler_config": {
|
||||
"pipeline_uuid": "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
将事件作为消息事件传入现有 Pipeline 流水线。仅适用于 `message.received` 事件。
|
||||
|
||||
#### agent
|
||||
|
||||
```json
|
||||
{
|
||||
"handler_type": "agent",
|
||||
"handler_config": {
|
||||
"runner": "local-agent",
|
||||
"runner_config": {
|
||||
"model_uuid": "...",
|
||||
"prompt": "你是一个群组助理,请处理以下事件:{event_summary}",
|
||||
"tools_enabled": true
|
||||
}
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
```json
|
||||
{
|
||||
"handler_type": "agent",
|
||||
"handler_config": {
|
||||
"runner": "dify-service-api",
|
||||
"runner_config": {
|
||||
"base_url": "https://api.dify.ai/v1",
|
||||
"api_key": "...",
|
||||
"app_type": "agent"
|
||||
}
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
直接调用 RequestRunner 处理事件。可用的 runner 包括:
|
||||
- `local-agent` — 内置 LLM Agent
|
||||
- `dify-service-api` — Dify 平台
|
||||
- `n8n-service-api` — n8n 工作流
|
||||
- `coze-api` — Coze (扣子)
|
||||
- `dashscope-app-api` — 阿里百炼
|
||||
- `langflow-api` — Langflow
|
||||
- `tbox-app-api` — 蚂蚁 Tbox
|
||||
|
||||
Agent 处理器不经过 Pipeline 的多 Stage 流程,而是直接构建上下文并调用 Runner。适用于所有事件类型。
|
||||
|
||||
**Agent Handler 与 Pipeline 的关系**:
|
||||
- Pipeline 是完整的多 Stage 处理链(PreProcessor → MessageProcessor(内含Runner) → PostProcessor → ...),适合复杂消息处理
|
||||
- Agent Handler 是轻量级的,直接调用 Runner,跳过 PreProcessor/PostProcessor 等阶段
|
||||
- Pipeline 内部的 AI Stage 仍然使用 Runner,所以 Runner 本身被两种 Handler 共享
|
||||
- 用户可以根据场景选择:消息处理用 Pipeline(更多控制),其他事件用 Agent(更直接)
|
||||
|
||||
#### webhook
|
||||
|
||||
```json
|
||||
{
|
||||
"handler_type": "webhook",
|
||||
"handler_config": {
|
||||
"url": "https://example.com/webhook/langbot-events",
|
||||
"method": "POST",
|
||||
"headers": {
|
||||
"Authorization": "Bearer xxx"
|
||||
},
|
||||
"timeout": 30,
|
||||
"retry_count": 3,
|
||||
"retry_interval": 5,
|
||||
"response_actions": true
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
将事件序列化为 JSON POST 到外部 URL。支持的特性:
|
||||
- **认证**:通过 headers 配置(Bearer Token、API Key 等)
|
||||
- **重试**:配置重试次数和间隔
|
||||
- **响应动作**:如果 `response_actions` 为 true,解析响应 JSON 中的 `actions` 字段并执行(如发送消息、同意好友请求等)
|
||||
|
||||
Webhook 请求体格式:
|
||||
|
||||
```json
|
||||
{
|
||||
"event": {
|
||||
"type": "group.member_joined",
|
||||
"timestamp": 1700000000.0,
|
||||
"bot_uuid": "...",
|
||||
"adapter_name": "telegram",
|
||||
"group": { "id": "...", "name": "..." },
|
||||
"member": { "id": "...", "nickname": "..." }
|
||||
},
|
||||
"bot": {
|
||||
"uuid": "...",
|
||||
"name": "...",
|
||||
"adapter": "telegram"
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
响应体格式(当 `response_actions` 为 true 时):
|
||||
|
||||
```json
|
||||
{
|
||||
"actions": [
|
||||
{
|
||||
"type": "send_message",
|
||||
"params": {
|
||||
"target_type": "group",
|
||||
"target_id": "123456",
|
||||
"message": [{ "type": "Plain", "text": "欢迎新成员!" }]
|
||||
}
|
||||
},
|
||||
{
|
||||
"type": "call_platform_api",
|
||||
"params": {
|
||||
"action": "pin_message",
|
||||
"params": { "chat_id": "123456", "message_id": "789" }
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
||||
```
|
||||
|
||||
#### plugin
|
||||
|
||||
```json
|
||||
{
|
||||
"handler_type": "plugin",
|
||||
"handler_config": {
|
||||
"plugin_filter": []
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
将事件分发给插件的 EventListener 处理。
|
||||
|
||||
- `plugin_filter`:可选的插件名过滤列表,为空表示分发给所有插件
|
||||
- 沿用现有的插件事件分发机制(按优先级遍历插件,支持 `prevent_postorder`)
|
||||
|
||||
### 2.4 完整配置示例
|
||||
|
||||
一个 Bot 的 `event_handlers` 配置示例:
|
||||
|
||||
```json
|
||||
[
|
||||
{
|
||||
"event_type": "message.received",
|
||||
"handler_type": "pipeline",
|
||||
"handler_config": {
|
||||
"pipeline_uuid": "default-pipeline-uuid"
|
||||
},
|
||||
"enabled": true,
|
||||
"priority": 10,
|
||||
"description": "消息事件使用默认流水线处理"
|
||||
},
|
||||
{
|
||||
"event_type": "group.member_joined",
|
||||
"handler_type": "agent",
|
||||
"handler_config": {
|
||||
"runner": "local-agent",
|
||||
"runner_config": {
|
||||
"model_uuid": "gpt-4o-mini",
|
||||
"prompt": "有新成员 {member_name} 加入了群组 {group_name},请生成一条欢迎消息。"
|
||||
}
|
||||
},
|
||||
"enabled": true,
|
||||
"priority": 0,
|
||||
"description": "新成员入群时用 AI 生成欢迎消息"
|
||||
},
|
||||
{
|
||||
"event_type": "friend.request_received",
|
||||
"handler_type": "webhook",
|
||||
"handler_config": {
|
||||
"url": "https://my-server.com/api/friend-request",
|
||||
"response_actions": true
|
||||
},
|
||||
"enabled": true,
|
||||
"priority": 0,
|
||||
"description": "好友请求转发到自建服务处理"
|
||||
},
|
||||
{
|
||||
"event_type": "*",
|
||||
"handler_type": "plugin",
|
||||
"handler_config": {},
|
||||
"enabled": true,
|
||||
"priority": -100,
|
||||
"description": "所有事件兜底发给插件处理"
|
||||
}
|
||||
]
|
||||
```
|
||||
|
||||
## 3. EventBus 设计
|
||||
|
||||
EventBus 是事件的中转站,接收来自各个 RuntimeBot 的事件,交由 EventRouter 处理。
|
||||
|
||||
```python
|
||||
class EventBus:
|
||||
"""事件总线"""
|
||||
|
||||
def __init__(self, ap: Application):
|
||||
self.ap = ap
|
||||
self.event_router = EventRouter(ap)
|
||||
|
||||
async def emit(
|
||||
self,
|
||||
event: Event,
|
||||
adapter: AbstractPlatformAdapter,
|
||||
):
|
||||
"""接收并分发事件
|
||||
|
||||
Args:
|
||||
event: 统一事件对象
|
||||
adapter: 产生此事件的适配器实例
|
||||
"""
|
||||
# 1. 全局事件日志
|
||||
self.ap.logger.debug(
|
||||
f"EventBus: {event.type} from bot {event.bot_uuid}"
|
||||
)
|
||||
|
||||
# 2. 交由 EventRouter 路由处理
|
||||
await self.event_router.route(event, adapter)
|
||||
```
|
||||
|
||||
## 4. EventRouter 设计
|
||||
|
||||
EventRouter 是事件路由引擎,根据 Bot 的 `event_handlers` 配置决定事件的处理方式。
|
||||
|
||||
```python
|
||||
class EventRouter:
|
||||
"""事件路由引擎"""
|
||||
|
||||
def __init__(self, ap: Application):
|
||||
self.ap = ap
|
||||
self.handlers: dict[str, AbstractEventHandler] = {
|
||||
"pipeline": PipelineHandler(ap),
|
||||
"agent": AgentHandler(ap),
|
||||
"webhook": WebhookHandler(ap),
|
||||
"plugin": PluginHandler(ap),
|
||||
}
|
||||
|
||||
async def route(
|
||||
self,
|
||||
event: Event,
|
||||
adapter: AbstractPlatformAdapter,
|
||||
):
|
||||
"""路由事件到对应处理器"""
|
||||
|
||||
# 1. 获取 Bot 配置
|
||||
bot = await self.ap.platform_mgr.get_bot_by_uuid(event.bot_uuid)
|
||||
if not bot:
|
||||
return
|
||||
|
||||
# 2. 获取事件处理器配置
|
||||
event_handlers = bot.bot_entity.event_handlers or []
|
||||
|
||||
# 3. 匹配规则(按 priority 降序排列)
|
||||
matched_handlers = self._match_handlers(event.type, event_handlers)
|
||||
|
||||
if not matched_handlers:
|
||||
# 未匹配到任何规则 → 默认交给插件处理(向后兼容)
|
||||
await self.handlers["plugin"].handle(event, adapter, {})
|
||||
return
|
||||
|
||||
# 4. 执行第一个匹配的 Handler
|
||||
# (未来可扩展为多个 Handler 串行/并行执行)
|
||||
handler_config = matched_handlers[0]
|
||||
handler = self.handlers.get(handler_config.handler_type)
|
||||
|
||||
if handler:
|
||||
await handler.handle(event, adapter, handler_config.handler_config)
|
||||
else:
|
||||
self.ap.logger.warning(
|
||||
f"Unknown handler type: {handler_config.handler_type}"
|
||||
)
|
||||
|
||||
def _match_handlers(
|
||||
self,
|
||||
event_type: str,
|
||||
handlers: list[EventHandlerConfig],
|
||||
) -> list[EventHandlerConfig]:
|
||||
"""匹配事件类型到处理器配置
|
||||
|
||||
匹配规则:
|
||||
1. 精确匹配:event_type == handler.event_type
|
||||
2. 命名空间通配:handler.event_type 为 "message.*" 时匹配所有 "message.xxx"
|
||||
3. 全局通配:handler.event_type 为 "*" 时匹配所有事件
|
||||
4. 按 priority 降序排列
|
||||
5. 只返回 enabled=True 的规则
|
||||
"""
|
||||
matched = []
|
||||
for handler in handlers:
|
||||
if not handler.enabled:
|
||||
continue
|
||||
if self._event_type_matches(event_type, handler.event_type):
|
||||
matched.append(handler)
|
||||
|
||||
matched.sort(key=lambda h: h.priority, reverse=True)
|
||||
return matched
|
||||
|
||||
@staticmethod
|
||||
def _event_type_matches(event_type: str, pattern: str) -> bool:
|
||||
"""判断事件类型是否匹配模式"""
|
||||
if pattern == "*":
|
||||
return True
|
||||
if pattern == event_type:
|
||||
return True
|
||||
if pattern.endswith(".*"):
|
||||
namespace = pattern[:-2]
|
||||
return event_type.startswith(namespace + ".")
|
||||
return False
|
||||
```
|
||||
|
||||
## 5. 事件处理器(Handler)实现
|
||||
|
||||
### 5.1 Handler 基类
|
||||
|
||||
```python
|
||||
class AbstractEventHandler(abc.ABC):
|
||||
"""事件处理器基类"""
|
||||
|
||||
def __init__(self, ap: Application):
|
||||
self.ap = ap
|
||||
|
||||
@abc.abstractmethod
|
||||
async def handle(
|
||||
self,
|
||||
event: Event,
|
||||
adapter: AbstractPlatformAdapter,
|
||||
config: dict,
|
||||
) -> None:
|
||||
"""处理事件
|
||||
|
||||
Args:
|
||||
event: 统一事件对象
|
||||
adapter: 适配器实例(用于调用平台 API 发送响应)
|
||||
config: handler_config 配置
|
||||
"""
|
||||
...
|
||||
```
|
||||
|
||||
### 5.2 PipelineHandler
|
||||
|
||||
将消息事件注入现有 Pipeline 流水线处理。
|
||||
|
||||
```python
|
||||
class PipelineHandler(AbstractEventHandler):
|
||||
"""Pipeline 处理器 — 将事件送入现有 Pipeline 流水线"""
|
||||
|
||||
async def handle(self, event, adapter, config):
|
||||
pipeline_uuid = config.get("pipeline_uuid")
|
||||
|
||||
if not isinstance(event, MessageReceivedEvent):
|
||||
self.ap.logger.warning(
|
||||
f"PipelineHandler only supports MessageReceivedEvent, "
|
||||
f"got {event.type}"
|
||||
)
|
||||
return
|
||||
|
||||
# 将 MessageReceivedEvent 转换为现有的 Query 并投入 QueryPool
|
||||
# 复用现有的 MessageAggregator + QueryPool + Pipeline 机制
|
||||
launcher_type = (
|
||||
LauncherTypes.PERSON
|
||||
if event.chat_type == ChatType.PRIVATE
|
||||
else LauncherTypes.GROUP
|
||||
)
|
||||
|
||||
await self.ap.msg_aggregator.add_message(
|
||||
bot_uuid=event.bot_uuid,
|
||||
launcher_type=launcher_type,
|
||||
launcher_id=event.chat_id,
|
||||
sender_id=event.sender.id,
|
||||
message_event=event.to_legacy_event(), # 转换为 FriendMessage/GroupMessage
|
||||
message_chain=event.message_chain,
|
||||
adapter=adapter,
|
||||
pipeline_uuid=pipeline_uuid,
|
||||
)
|
||||
```
|
||||
|
||||
### 5.3 AgentHandler
|
||||
|
||||
直接调用 RequestRunner 处理事件,不经过 Pipeline Stage 链。
|
||||
|
||||
```python
|
||||
class AgentHandler(AbstractEventHandler):
|
||||
"""Agent 处理器 — 直接调用 RequestRunner 处理事件"""
|
||||
|
||||
async def handle(self, event, adapter, config):
|
||||
runner_name = config.get("runner", "local-agent")
|
||||
runner_config = config.get("runner_config", {})
|
||||
|
||||
# 1. 查找 Runner 类
|
||||
runner_cls = None
|
||||
for r in preregistered_runners:
|
||||
if r.name == runner_name:
|
||||
runner_cls = r
|
||||
break
|
||||
|
||||
if not runner_cls:
|
||||
self.ap.logger.error(f"Runner not found: {runner_name}")
|
||||
return
|
||||
|
||||
# 2. 构建事件上下文(将事件信息整理为 Runner 可处理的格式)
|
||||
event_context = self._build_event_context(event, runner_config)
|
||||
|
||||
# 3. 实例化并调用 Runner
|
||||
runner = runner_cls(self.ap, self._build_runner_pipeline_config(config))
|
||||
|
||||
response_messages = []
|
||||
async for result in runner.run(event_context):
|
||||
response_messages.append(result)
|
||||
|
||||
# 4. 发送响应(如果 Runner 产生了回复)
|
||||
if response_messages and isinstance(event, MessageReceivedEvent):
|
||||
# 将 Runner 输出转换为 MessageChain 并回复
|
||||
reply_chain = self._build_reply_chain(response_messages)
|
||||
await adapter.reply_message(event, reply_chain)
|
||||
|
||||
def _build_event_context(self, event, runner_config):
|
||||
"""将事件构建为 Runner 可处理的上下文
|
||||
|
||||
对于消息事件,直接使用消息内容。
|
||||
对于其他事件,根据 runner_config 中的 prompt 模板生成描述文本。
|
||||
"""
|
||||
...
|
||||
|
||||
def _build_runner_pipeline_config(self, config):
|
||||
"""将 handler_config 转换为 Runner 需要的 pipeline_config 格式"""
|
||||
...
|
||||
```
|
||||
|
||||
### 5.4 WebhookHandler
|
||||
|
||||
将事件 POST 到外部 URL。
|
||||
|
||||
```python
|
||||
class WebhookHandler(AbstractEventHandler):
|
||||
"""Webhook 处理器 — 将事件 POST 到外部 URL"""
|
||||
|
||||
async def handle(self, event, adapter, config):
|
||||
url = config.get("url")
|
||||
method = config.get("method", "POST")
|
||||
headers = config.get("headers", {})
|
||||
timeout = config.get("timeout", 30)
|
||||
retry_count = config.get("retry_count", 3)
|
||||
response_actions = config.get("response_actions", False)
|
||||
|
||||
# 1. 构建请求体
|
||||
bot = await self.ap.platform_mgr.get_bot_by_uuid(event.bot_uuid)
|
||||
payload = {
|
||||
"event": event.model_dump(),
|
||||
"bot": {
|
||||
"uuid": bot.bot_entity.uuid,
|
||||
"name": bot.bot_entity.name,
|
||||
"adapter": bot.bot_entity.adapter,
|
||||
}
|
||||
}
|
||||
|
||||
# 2. 发送请求(带重试)
|
||||
response = await self._send_with_retry(
|
||||
url, method, headers, payload, timeout, retry_count
|
||||
)
|
||||
|
||||
# 3. 处理响应动作
|
||||
if response_actions and response:
|
||||
await self._execute_response_actions(
|
||||
response, adapter, event
|
||||
)
|
||||
|
||||
async def _execute_response_actions(self, response, adapter, event):
|
||||
"""执行响应中的动作列表"""
|
||||
actions = response.get("actions", [])
|
||||
for action in actions:
|
||||
action_type = action.get("type")
|
||||
params = action.get("params", {})
|
||||
|
||||
if action_type == "send_message":
|
||||
chain = MessageChain.model_validate(params.get("message", []))
|
||||
await adapter.send_message(
|
||||
params["target_type"],
|
||||
params["target_id"],
|
||||
chain,
|
||||
)
|
||||
elif action_type == "reply":
|
||||
chain = MessageChain.model_validate(params.get("message", []))
|
||||
await adapter.reply_message(event, chain)
|
||||
elif action_type == "call_platform_api":
|
||||
await adapter.call_platform_api(
|
||||
params["action"],
|
||||
params.get("params", {}),
|
||||
)
|
||||
elif action_type == "approve_friend_request":
|
||||
await adapter.approve_friend_request(
|
||||
params["request_id"],
|
||||
params.get("approve", True),
|
||||
)
|
||||
# ... 更多动作类型
|
||||
```
|
||||
|
||||
### 5.5 PluginHandler
|
||||
|
||||
将事件分发给插件的 EventListener。
|
||||
|
||||
```python
|
||||
class PluginHandler(AbstractEventHandler):
|
||||
"""Plugin 处理器 — 分发给插件 EventListener"""
|
||||
|
||||
async def handle(self, event, adapter, config):
|
||||
plugin_filter = config.get("plugin_filter", [])
|
||||
|
||||
# 复用现有的插件事件分发机制
|
||||
# 通过 plugin_connector 将事件发送给 Plugin Runtime
|
||||
await self.ap.plugin_connector.emit_event(
|
||||
event=event,
|
||||
adapter=adapter,
|
||||
plugin_filter=plugin_filter,
|
||||
)
|
||||
```
|
||||
|
||||
## 6. use_pipeline_uuid 迁移
|
||||
|
||||
### 6.1 自动迁移
|
||||
|
||||
数据库迁移脚本将现有的 `use_pipeline_uuid` 自动转换为 `event_handlers`:
|
||||
|
||||
```python
|
||||
# 迁移逻辑
|
||||
for bot in all_bots:
|
||||
if bot.use_pipeline_uuid and not bot.event_handlers:
|
||||
bot.event_handlers = [
|
||||
{
|
||||
"event_type": "message.received",
|
||||
"handler_type": "pipeline",
|
||||
"handler_config": {
|
||||
"pipeline_uuid": bot.use_pipeline_uuid
|
||||
},
|
||||
"enabled": True,
|
||||
"priority": 10,
|
||||
"description": "Auto-migrated from use_pipeline_uuid"
|
||||
},
|
||||
{
|
||||
"event_type": "*",
|
||||
"handler_type": "plugin",
|
||||
"handler_config": {},
|
||||
"enabled": True,
|
||||
"priority": -100,
|
||||
"description": "Default plugin handler"
|
||||
}
|
||||
]
|
||||
```
|
||||
|
||||
### 6.2 过渡期兼容
|
||||
|
||||
在过渡期内,如果 `event_handlers` 为空且 `use_pipeline_uuid` 非空,EventRouter 自动回退到旧行为:
|
||||
|
||||
```python
|
||||
# EventRouter.route() 中的兼容逻辑
|
||||
if not event_handlers and bot.bot_entity.use_pipeline_uuid:
|
||||
# 回退:消息事件走 Pipeline,其他事件走 Plugin
|
||||
if isinstance(event, MessageReceivedEvent):
|
||||
await self.handlers["pipeline"].handle(
|
||||
event, adapter,
|
||||
{"pipeline_uuid": bot.bot_entity.use_pipeline_uuid}
|
||||
)
|
||||
else:
|
||||
await self.handlers["plugin"].handle(event, adapter, {})
|
||||
return
|
||||
```
|
||||
|
||||
## 7. WebUI 编排面板数据模型
|
||||
|
||||
### 7.1 交互设计概要
|
||||
|
||||
在 WebUI 的 Bot 管理页面,新增"事件处理器"标签页(或区域),呈现为一个**规则列表**:
|
||||
|
||||
```
|
||||
┌─────────────────────────────────────────────────────────────┐
|
||||
│ 事件处理器 [+ 添加规则] │
|
||||
├─────────────────────────────────────────────────────────────┤
|
||||
│ │
|
||||
│ ┌─ 规则 1 ─────────────────────────────────── [启用] [删除] ─┐ │
|
||||
│ │ 事件类型: [message.received ▾] │ │
|
||||
│ │ 处理器: [Pipeline ▾] │ │
|
||||
│ │ Pipeline: [默认流水线 ▾] │ │
|
||||
│ │ 优先级: [10] │ │
|
||||
│ │ 描述: 消息事件使用默认流水线处理 │ │
|
||||
│ └──────────────────────────────────────────────────────────┘ │
|
||||
│ │
|
||||
│ ┌─ 规则 2 ─────────────────────────────────── [启用] [删除] ─┐ │
|
||||
│ │ 事件类型: [group.member_joined ▾] │ │
|
||||
│ │ 处理器: [Agent ▾] │ │
|
||||
│ │ Runner: [local-agent ▾] │ │
|
||||
│ │ 模型: [gpt-4o-mini ▾] │ │
|
||||
│ │ Prompt: [有新成员加入...] │ │
|
||||
│ │ 优先级: [0] │ │
|
||||
│ └──────────────────────────────────────────────────────────┘ │
|
||||
│ │
|
||||
│ ┌─ 规则 3 (兜底) ──────────────────────────── [启用] [删除] ─┐ │
|
||||
│ │ 事件类型: [* ▾] │ │
|
||||
│ │ 处理器: [Plugin ▾] │ │
|
||||
│ │ 优先级: [-100] │ │
|
||||
│ └──────────────────────────────────────────────────────────┘ │
|
||||
│ │
|
||||
└─────────────────────────────────────────────────────────────┘
|
||||
```
|
||||
|
||||
### 7.2 前端数据结构
|
||||
|
||||
```typescript
|
||||
interface EventHandlerRule {
|
||||
event_type: string; // 下拉选择,选项从适配器 manifest 的 supported_events 获取
|
||||
handler_type: string; // "pipeline" | "agent" | "webhook" | "plugin"
|
||||
handler_config: Record<string, any>; // 根据 handler_type 动态渲染不同的配置表单
|
||||
enabled: boolean;
|
||||
priority: number;
|
||||
description: string;
|
||||
}
|
||||
|
||||
// Bot 编辑接口扩展
|
||||
interface BotConfig {
|
||||
uuid: string;
|
||||
name: string;
|
||||
adapter: string;
|
||||
adapter_config: Record<string, any>;
|
||||
enable: boolean;
|
||||
event_handlers: EventHandlerRule[]; // 新增
|
||||
}
|
||||
```
|
||||
|
||||
### 7.3 事件类型下拉选项
|
||||
|
||||
从 Bot 关联的适配器 manifest 中获取 `supported_events`,加上通配符选项:
|
||||
|
||||
```
|
||||
- message.received
|
||||
- message.edited
|
||||
- message.deleted
|
||||
- message.reaction
|
||||
- group.member_joined
|
||||
- group.member_left
|
||||
- group.member_banned
|
||||
- group.info_updated
|
||||
- friend.request_received
|
||||
- friend.added
|
||||
- bot.invited_to_group
|
||||
- bot.removed_from_group
|
||||
─────────────────
|
||||
- message.* (所有消息事件)
|
||||
- group.* (所有群组事件)
|
||||
- friend.* (所有好友事件)
|
||||
- bot.* (所有 Bot 事件)
|
||||
- * (所有事件)
|
||||
```
|
||||
|
||||
### 7.4 HTTP API
|
||||
|
||||
```
|
||||
GET /api/v1/bots/{uuid}/event-handlers 获取 Bot 的事件处理器配置
|
||||
PUT /api/v1/bots/{uuid}/event-handlers 更新 Bot 的事件处理器配置
|
||||
GET /api/v1/adapters/{name}/supported-events 获取适配器支持的事件类型
|
||||
GET /api/v1/adapters/{name}/supported-apis 获取适配器支持的 API
|
||||
```
|
||||
718
docs/event-based-agents/05-plugin-sdk.md
Normal file
718
docs/event-based-agents/05-plugin-sdk.md
Normal file
@@ -0,0 +1,718 @@
|
||||
# 插件 SDK 改造
|
||||
|
||||
## 1. 概述
|
||||
|
||||
插件 SDK 需要配合 EBA 架构进行以下改造:
|
||||
|
||||
1. **新事件类型**:将所有通用事件暴露给插件
|
||||
2. **新 API**:将新增的平台 API 通过 `LangBotAPIProxy` 暴露给插件
|
||||
3. **兼容层**:保证现有插件零修改运行
|
||||
4. **通信协议扩展**:新增 action 枚举支持新 API
|
||||
|
||||
## 2. 新事件类型暴露
|
||||
|
||||
### 2.1 插件事件模型扩展
|
||||
|
||||
当前插件 SDK 的事件模型(`api/entities/events.py`)只有消息相关事件。需要新增所有通用事件的插件级包装:
|
||||
|
||||
```python
|
||||
# api/entities/events.py — 新增事件
|
||||
|
||||
# ---- 消息事件(扩展) ----
|
||||
|
||||
class MessageEditedReceived(BaseEventModel):
|
||||
"""消息被编辑事件"""
|
||||
launcher_type: str
|
||||
launcher_id: typing.Union[int, str]
|
||||
message_id: typing.Union[int, str]
|
||||
editor_id: typing.Union[int, str]
|
||||
new_content: MessageChain
|
||||
chat_type: str # "private" | "group"
|
||||
|
||||
class MessageDeletedReceived(BaseEventModel):
|
||||
"""消息被删除/撤回事件"""
|
||||
launcher_type: str
|
||||
launcher_id: typing.Union[int, str]
|
||||
message_id: typing.Union[int, str]
|
||||
operator_id: typing.Optional[typing.Union[int, str]] = None
|
||||
chat_type: str
|
||||
|
||||
class MessageReactionReceived(BaseEventModel):
|
||||
"""消息表情回应事件"""
|
||||
launcher_type: str
|
||||
launcher_id: typing.Union[int, str]
|
||||
message_id: typing.Union[int, str]
|
||||
user_id: typing.Union[int, str]
|
||||
reaction: str
|
||||
is_add: bool
|
||||
|
||||
# ---- 群组事件 ----
|
||||
|
||||
class GroupMemberJoined(BaseEventModel):
|
||||
"""新成员加入群组"""
|
||||
group_id: typing.Union[int, str]
|
||||
group_name: str
|
||||
member_id: typing.Union[int, str]
|
||||
member_name: str
|
||||
inviter_id: typing.Optional[typing.Union[int, str]] = None
|
||||
join_type: typing.Optional[str] = None
|
||||
|
||||
class GroupMemberLeft(BaseEventModel):
|
||||
"""成员离开群组"""
|
||||
group_id: typing.Union[int, str]
|
||||
group_name: str
|
||||
member_id: typing.Union[int, str]
|
||||
member_name: str
|
||||
is_kicked: bool = False
|
||||
operator_id: typing.Optional[typing.Union[int, str]] = None
|
||||
|
||||
class GroupMemberBanned(BaseEventModel):
|
||||
"""成员被禁言"""
|
||||
group_id: typing.Union[int, str]
|
||||
member_id: typing.Union[int, str]
|
||||
operator_id: typing.Optional[typing.Union[int, str]] = None
|
||||
duration: typing.Optional[int] = None
|
||||
|
||||
class GroupMemberUnbanned(BaseEventModel):
|
||||
"""成员被解除禁言"""
|
||||
group_id: typing.Union[int, str]
|
||||
member_id: typing.Union[int, str]
|
||||
operator_id: typing.Optional[typing.Union[int, str]] = None
|
||||
|
||||
class GroupInfoUpdated(BaseEventModel):
|
||||
"""群组信息被修改"""
|
||||
group_id: typing.Union[int, str]
|
||||
group_name: str
|
||||
operator_id: typing.Optional[typing.Union[int, str]] = None
|
||||
changed_fields: list[str] = []
|
||||
|
||||
# ---- 好友事件 ----
|
||||
|
||||
class FriendRequestReceived(BaseEventModel):
|
||||
"""收到好友请求"""
|
||||
request_id: typing.Union[int, str]
|
||||
user_id: typing.Union[int, str]
|
||||
user_name: str
|
||||
message: typing.Optional[str] = None
|
||||
|
||||
class FriendAdded(BaseEventModel):
|
||||
"""成功添加好友"""
|
||||
user_id: typing.Union[int, str]
|
||||
user_name: str
|
||||
|
||||
class FriendRemoved(BaseEventModel):
|
||||
"""好友被移除"""
|
||||
user_id: typing.Union[int, str]
|
||||
user_name: str
|
||||
|
||||
# ---- Bot 状态事件 ----
|
||||
|
||||
class BotInvitedToGroup(BaseEventModel):
|
||||
"""Bot 被邀请加入群组"""
|
||||
group_id: typing.Union[int, str]
|
||||
group_name: str
|
||||
inviter_id: typing.Optional[typing.Union[int, str]] = None
|
||||
request_id: typing.Optional[typing.Union[int, str]] = None
|
||||
|
||||
class BotRemovedFromGroup(BaseEventModel):
|
||||
"""Bot 被移出群组"""
|
||||
group_id: typing.Union[int, str]
|
||||
group_name: str
|
||||
operator_id: typing.Optional[typing.Union[int, str]] = None
|
||||
|
||||
class BotMuted(BaseEventModel):
|
||||
"""Bot 被禁言"""
|
||||
group_id: typing.Union[int, str]
|
||||
operator_id: typing.Optional[typing.Union[int, str]] = None
|
||||
duration: typing.Optional[int] = None
|
||||
|
||||
class BotUnmuted(BaseEventModel):
|
||||
"""Bot 被解除禁言"""
|
||||
group_id: typing.Union[int, str]
|
||||
operator_id: typing.Optional[typing.Union[int, str]] = None
|
||||
|
||||
# ---- 平台特有事件 ----
|
||||
|
||||
class PlatformSpecificEventReceived(BaseEventModel):
|
||||
"""平台特有事件"""
|
||||
adapter_name: str
|
||||
action: str
|
||||
data: dict = {}
|
||||
```
|
||||
|
||||
### 2.2 EventListener 注册方式
|
||||
|
||||
插件的 EventListener 继续使用 `@self.handler(EventType)` 装饰器注册,只是可以注册的事件类型大幅增加:
|
||||
|
||||
```python
|
||||
class MyEventListener(EventListener):
|
||||
def __init__(self, host):
|
||||
super().__init__(host)
|
||||
|
||||
# 现有方式(继续工作)
|
||||
@self.handler(PersonNormalMessageReceived)
|
||||
async def on_person_message(ctx: EventContext):
|
||||
...
|
||||
|
||||
# 新事件类型
|
||||
@self.handler(GroupMemberJoined)
|
||||
async def on_member_joined(ctx: EventContext):
|
||||
group_name = ctx.event.group_name
|
||||
member_name = ctx.event.member_name
|
||||
await ctx.reply(MessageChain([
|
||||
Plain(f"欢迎 {member_name} 加入 {group_name}!")
|
||||
]))
|
||||
|
||||
@self.handler(FriendRequestReceived)
|
||||
async def on_friend_request(ctx: EventContext):
|
||||
# 自动通过好友请求
|
||||
await ctx.approve_friend_request(
|
||||
ctx.event.request_id, approve=True
|
||||
)
|
||||
|
||||
@self.handler(PlatformSpecificEventReceived)
|
||||
async def on_platform_event(ctx: EventContext):
|
||||
if ctx.event.adapter_name == "telegram" and ctx.event.action == "chat_join_request":
|
||||
...
|
||||
```
|
||||
|
||||
## 3. 新 API 暴露
|
||||
|
||||
### 3.1 LangBotAPIProxy 扩展
|
||||
|
||||
在 `LangBotAPIProxy` 中新增以下方法,插件通过 `self.xxx()` 调用(在 BasePlugin 中继承):
|
||||
|
||||
```python
|
||||
class LangBotAPIProxy:
|
||||
# ---- 现有方法(保留) ----
|
||||
# get_langbot_version, get_bots, get_bot_info,
|
||||
# send_message, invoke_llm, get/set/delete_plugin_storage, ...
|
||||
|
||||
# ---- 新增消息 API ----
|
||||
|
||||
async def edit_message(
|
||||
self,
|
||||
bot_uuid: str,
|
||||
chat_type: str,
|
||||
chat_id: typing.Union[int, str],
|
||||
message_id: typing.Union[int, str],
|
||||
new_content: MessageChain,
|
||||
) -> None:
|
||||
"""编辑已发送的消息"""
|
||||
...
|
||||
|
||||
async def delete_message(
|
||||
self,
|
||||
bot_uuid: str,
|
||||
chat_type: str,
|
||||
chat_id: typing.Union[int, str],
|
||||
message_id: typing.Union[int, str],
|
||||
) -> None:
|
||||
"""删除/撤回消息"""
|
||||
...
|
||||
|
||||
async def forward_message(
|
||||
self,
|
||||
bot_uuid: str,
|
||||
from_chat_type: str,
|
||||
from_chat_id: typing.Union[int, str],
|
||||
message_id: typing.Union[int, str],
|
||||
to_chat_type: str,
|
||||
to_chat_id: typing.Union[int, str],
|
||||
) -> dict:
|
||||
"""转发消息"""
|
||||
...
|
||||
|
||||
async def get_message(
|
||||
self,
|
||||
bot_uuid: str,
|
||||
chat_type: str,
|
||||
chat_id: typing.Union[int, str],
|
||||
message_id: typing.Union[int, str],
|
||||
) -> dict:
|
||||
"""获取指定消息"""
|
||||
...
|
||||
|
||||
# ---- 新增群组 API ----
|
||||
|
||||
async def get_group_info(
|
||||
self,
|
||||
bot_uuid: str,
|
||||
group_id: typing.Union[int, str],
|
||||
) -> dict:
|
||||
"""获取群组信息"""
|
||||
...
|
||||
|
||||
async def get_group_list(
|
||||
self,
|
||||
bot_uuid: str,
|
||||
) -> list[dict]:
|
||||
"""获取 Bot 加入的群组列表"""
|
||||
...
|
||||
|
||||
async def get_group_member_list(
|
||||
self,
|
||||
bot_uuid: str,
|
||||
group_id: typing.Union[int, str],
|
||||
) -> list[dict]:
|
||||
"""获取群成员列表"""
|
||||
...
|
||||
|
||||
async def get_group_member_info(
|
||||
self,
|
||||
bot_uuid: str,
|
||||
group_id: typing.Union[int, str],
|
||||
user_id: typing.Union[int, str],
|
||||
) -> dict:
|
||||
"""获取指定群成员信息"""
|
||||
...
|
||||
|
||||
async def mute_member(
|
||||
self,
|
||||
bot_uuid: str,
|
||||
group_id: typing.Union[int, str],
|
||||
user_id: typing.Union[int, str],
|
||||
duration: int = 0,
|
||||
) -> None:
|
||||
"""禁言群成员"""
|
||||
...
|
||||
|
||||
async def unmute_member(
|
||||
self,
|
||||
bot_uuid: str,
|
||||
group_id: typing.Union[int, str],
|
||||
user_id: typing.Union[int, str],
|
||||
) -> None:
|
||||
"""解除禁言"""
|
||||
...
|
||||
|
||||
async def kick_member(
|
||||
self,
|
||||
bot_uuid: str,
|
||||
group_id: typing.Union[int, str],
|
||||
user_id: typing.Union[int, str],
|
||||
) -> None:
|
||||
"""踢出群成员"""
|
||||
...
|
||||
|
||||
# ---- 新增用户 API ----
|
||||
|
||||
async def get_user_info(
|
||||
self,
|
||||
bot_uuid: str,
|
||||
user_id: typing.Union[int, str],
|
||||
) -> dict:
|
||||
"""获取用户信息"""
|
||||
...
|
||||
|
||||
async def get_friend_list(
|
||||
self,
|
||||
bot_uuid: str,
|
||||
) -> list[dict]:
|
||||
"""获取好友列表"""
|
||||
...
|
||||
|
||||
async def approve_friend_request(
|
||||
self,
|
||||
bot_uuid: str,
|
||||
request_id: typing.Union[int, str],
|
||||
approve: bool = True,
|
||||
remark: typing.Optional[str] = None,
|
||||
) -> None:
|
||||
"""处理好友请求"""
|
||||
...
|
||||
|
||||
async def approve_group_invite(
|
||||
self,
|
||||
bot_uuid: str,
|
||||
request_id: typing.Union[int, str],
|
||||
approve: bool = True,
|
||||
) -> None:
|
||||
"""处理入群邀请"""
|
||||
...
|
||||
|
||||
# ---- 新增透传 API ----
|
||||
|
||||
async def call_platform_api(
|
||||
self,
|
||||
bot_uuid: str,
|
||||
action: str,
|
||||
params: dict = {},
|
||||
) -> dict:
|
||||
"""调用适配器特有 API
|
||||
|
||||
Examples:
|
||||
# Telegram: pin 消息
|
||||
result = await self.call_platform_api(
|
||||
bot_uuid, "pin_message",
|
||||
{"chat_id": 123456, "message_id": 789}
|
||||
)
|
||||
|
||||
# Discord: 创建频道
|
||||
result = await self.call_platform_api(
|
||||
bot_uuid, "create_channel",
|
||||
{"guild_id": "...", "name": "new-channel"}
|
||||
)
|
||||
"""
|
||||
...
|
||||
|
||||
# ---- 新增能力查询 API ----
|
||||
|
||||
async def get_supported_events(
|
||||
self,
|
||||
bot_uuid: str,
|
||||
) -> list[str]:
|
||||
"""获取指定 Bot 的适配器支持的事件类型"""
|
||||
...
|
||||
|
||||
async def get_supported_apis(
|
||||
self,
|
||||
bot_uuid: str,
|
||||
) -> list[str]:
|
||||
"""获取指定 Bot 的适配器支持的 API"""
|
||||
...
|
||||
```
|
||||
|
||||
### 3.2 QueryBasedAPIProxy 扩展
|
||||
|
||||
在事件处理上下文中(EventContext),通过 `QueryBasedAPIProxy` 新增便捷方法:
|
||||
|
||||
```python
|
||||
class QueryBasedAPIProxy:
|
||||
# ---- 现有方法(保留) ----
|
||||
# reply, get_bot_uuid, set_query_var, get_query_var,
|
||||
# create_new_conversation, ...
|
||||
|
||||
# ---- 新增便捷方法 ----
|
||||
|
||||
async def edit_message(
|
||||
self,
|
||||
message_id: typing.Union[int, str],
|
||||
new_content: MessageChain,
|
||||
) -> None:
|
||||
"""在当前会话中编辑消息(自动使用当前 bot_uuid 和 chat 信息)"""
|
||||
...
|
||||
|
||||
async def delete_message(
|
||||
self,
|
||||
message_id: typing.Union[int, str],
|
||||
) -> None:
|
||||
"""在当前会话中删除消息"""
|
||||
...
|
||||
|
||||
async def approve_friend_request(
|
||||
self,
|
||||
request_id: typing.Union[int, str],
|
||||
approve: bool = True,
|
||||
remark: typing.Optional[str] = None,
|
||||
) -> None:
|
||||
"""处理好友请求(上下文中自动获取 bot_uuid)"""
|
||||
...
|
||||
|
||||
async def approve_group_invite(
|
||||
self,
|
||||
request_id: typing.Union[int, str],
|
||||
approve: bool = True,
|
||||
) -> None:
|
||||
"""处理入群邀请"""
|
||||
...
|
||||
|
||||
async def get_group_info(self) -> dict:
|
||||
"""获取当前群组信息(仅群聊事件中可用)"""
|
||||
...
|
||||
|
||||
async def get_group_member_list(self) -> list[dict]:
|
||||
"""获取当前群组成员列表(仅群聊事件中可用)"""
|
||||
...
|
||||
|
||||
async def call_platform_api(
|
||||
self,
|
||||
action: str,
|
||||
params: dict = {},
|
||||
) -> dict:
|
||||
"""调用平台特有 API(自动使用当前 bot_uuid)"""
|
||||
...
|
||||
```
|
||||
|
||||
## 4. 兼容层设计
|
||||
|
||||
### 4.1 事件兼容层
|
||||
|
||||
当 PluginHandler 将新的 `MessageReceivedEvent` 分发给插件时,需要同时生成旧格式事件:
|
||||
|
||||
```python
|
||||
class PluginEventCompatLayer:
|
||||
"""插件事件兼容层
|
||||
|
||||
将新的统一事件转换为旧的插件事件格式,
|
||||
确保监听旧事件类型的插件仍能正常工作。
|
||||
"""
|
||||
|
||||
@staticmethod
|
||||
def convert_to_legacy_events(
|
||||
event: Event,
|
||||
) -> list[BaseEventModel]:
|
||||
"""将统一事件转换为旧插件事件列表
|
||||
|
||||
一个统一事件可能生成多个旧插件事件。
|
||||
例如 MessageReceivedEvent 会同时生成:
|
||||
- PersonMessageReceived / GroupMessageReceived(总是生成)
|
||||
- PersonNormalMessageReceived / GroupNormalMessageReceived(非命令时)
|
||||
- PersonCommandSent / GroupCommandSent(命令时)
|
||||
"""
|
||||
legacy_events = []
|
||||
|
||||
if isinstance(event, MessageReceivedEvent):
|
||||
if event.chat_type == ChatType.PRIVATE:
|
||||
legacy_events.append(
|
||||
PersonMessageReceived(
|
||||
launcher_type="person",
|
||||
launcher_id=event.chat_id,
|
||||
sender_id=event.sender.id,
|
||||
message_event=event.to_legacy_friend_message(),
|
||||
message_chain=event.message_chain,
|
||||
)
|
||||
)
|
||||
# 命令检测后还会生成 PersonNormalMessageReceived
|
||||
# 或 PersonCommandSent,在 Pipeline 阶段处理
|
||||
elif event.chat_type == ChatType.GROUP:
|
||||
legacy_events.append(
|
||||
GroupMessageReceived(
|
||||
launcher_type="group",
|
||||
launcher_id=event.chat_id,
|
||||
sender_id=event.sender.id,
|
||||
message_event=event.to_legacy_group_message(),
|
||||
message_chain=event.message_chain,
|
||||
)
|
||||
)
|
||||
|
||||
# 新事件类型没有旧的对应物,不生成兼容事件
|
||||
# 只有监听了新事件类型的插件才会收到
|
||||
|
||||
return legacy_events
|
||||
```
|
||||
|
||||
### 4.2 分发流程
|
||||
|
||||
```
|
||||
统一事件 (MessageReceivedEvent)
|
||||
│
|
||||
├─→ 转换为旧格式 (PersonMessageReceived / GroupMessageReceived)
|
||||
│ └─→ 分发给监听旧事件类型的插件 EventListener
|
||||
│
|
||||
└─→ 直接分发为新格式 (MessageReceivedEvent → 对应的插件事件)
|
||||
└─→ 分发给监听新事件类型的插件 EventListener
|
||||
```
|
||||
|
||||
插件 Runtime 在分发事件时检查每个 EventListener 注册的事件类型:
|
||||
- 如果注册的是旧类型(`PersonMessageReceived` 等),发送兼容层生成的旧格式事件
|
||||
- 如果注册的是新类型(`GroupMemberJoined` 等),发送新格式事件
|
||||
- 两者可以共存,同一个插件可以同时监听新旧类型
|
||||
|
||||
### 4.3 API 兼容层
|
||||
|
||||
现有插件使用的 API 不受影响:
|
||||
|
||||
| 现有 API | 新架构行为 |
|
||||
|---------|----------|
|
||||
| `self.send_message(bot_uuid, target_type, target_id, message_chain)` | 不变,直接调用适配器的 `send_message` |
|
||||
| `ctx.reply(message_chain, quote_origin)` | 不变,在 MessageReceivedEvent 上下文中调用适配器的 `reply_message` |
|
||||
| `self.get_bots()` | 不变 |
|
||||
| `self.get_bot_info(bot_uuid)` | 不变 |
|
||||
|
||||
新 API 只是额外新增的方法,不影响现有方法。
|
||||
|
||||
## 5. 通信协议扩展
|
||||
|
||||
### 5.1 新增 Action 枚举
|
||||
|
||||
在 `entities/io/actions/enums.py` 中新增 action:
|
||||
|
||||
```python
|
||||
class PluginToRuntimeAction(str, Enum):
|
||||
# ---- 现有 actions(保留) ----
|
||||
REGISTER_PLUGIN = "register_plugin"
|
||||
REPLY = "reply"
|
||||
SEND_MESSAGE = "send_message"
|
||||
# ...
|
||||
|
||||
# ---- 新增消息 API ----
|
||||
EDIT_MESSAGE = "edit_message"
|
||||
DELETE_MESSAGE = "delete_message"
|
||||
FORWARD_MESSAGE = "forward_message"
|
||||
GET_MESSAGE = "get_message"
|
||||
|
||||
# ---- 新增群组 API ----
|
||||
GET_GROUP_INFO = "get_group_info"
|
||||
GET_GROUP_LIST = "get_group_list"
|
||||
GET_GROUP_MEMBER_LIST = "get_group_member_list"
|
||||
GET_GROUP_MEMBER_INFO = "get_group_member_info"
|
||||
MUTE_MEMBER = "mute_member"
|
||||
UNMUTE_MEMBER = "unmute_member"
|
||||
KICK_MEMBER = "kick_member"
|
||||
|
||||
# ---- 新增用户 API ----
|
||||
GET_USER_INFO = "get_user_info"
|
||||
GET_FRIEND_LIST = "get_friend_list"
|
||||
APPROVE_FRIEND_REQUEST = "approve_friend_request"
|
||||
APPROVE_GROUP_INVITE = "approve_group_invite"
|
||||
|
||||
# ---- 新增透传 API ----
|
||||
CALL_PLATFORM_API = "call_platform_api"
|
||||
|
||||
# ---- 新增能力查询 ----
|
||||
GET_SUPPORTED_EVENTS = "get_supported_events"
|
||||
GET_SUPPORTED_APIS = "get_supported_apis"
|
||||
|
||||
|
||||
class RuntimeToPluginAction(str, Enum):
|
||||
# ---- 现有 actions(保留) ----
|
||||
EMIT_EVENT = "emit_event"
|
||||
# ...
|
||||
# EMIT_EVENT 的 data 结构扩展以支持新事件类型
|
||||
```
|
||||
|
||||
### 5.2 新增 Action 的请求/响应格式
|
||||
|
||||
以 `EDIT_MESSAGE` 为例:
|
||||
|
||||
```json
|
||||
// 请求 (Plugin → Runtime)
|
||||
{
|
||||
"action": "edit_message",
|
||||
"seq_id": 12345,
|
||||
"data": {
|
||||
"bot_uuid": "...",
|
||||
"chat_type": "group",
|
||||
"chat_id": "123456",
|
||||
"message_id": "789",
|
||||
"new_content": [
|
||||
{ "type": "Plain", "text": "edited message" }
|
||||
]
|
||||
}
|
||||
}
|
||||
|
||||
// 响应 (Runtime → Plugin)
|
||||
{
|
||||
"seq_id": 12345,
|
||||
"code": 0,
|
||||
"message": "ok",
|
||||
"data": {}
|
||||
}
|
||||
```
|
||||
|
||||
以 `GET_GROUP_MEMBER_LIST` 为例:
|
||||
|
||||
```json
|
||||
// 请求
|
||||
{
|
||||
"action": "get_group_member_list",
|
||||
"seq_id": 12346,
|
||||
"data": {
|
||||
"bot_uuid": "...",
|
||||
"group_id": "123456"
|
||||
}
|
||||
}
|
||||
|
||||
// 响应
|
||||
{
|
||||
"seq_id": 12346,
|
||||
"code": 0,
|
||||
"message": "ok",
|
||||
"data": {
|
||||
"members": [
|
||||
{
|
||||
"user": { "id": "111", "nickname": "Alice" },
|
||||
"group_id": "123456",
|
||||
"role": "admin",
|
||||
"display_name": "管理员Alice"
|
||||
},
|
||||
...
|
||||
]
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
以 `CALL_PLATFORM_API` 为例:
|
||||
|
||||
```json
|
||||
// 请求
|
||||
{
|
||||
"action": "call_platform_api",
|
||||
"seq_id": 12347,
|
||||
"data": {
|
||||
"bot_uuid": "...",
|
||||
"action": "pin_message",
|
||||
"params": {
|
||||
"chat_id": "123456",
|
||||
"message_id": "789"
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// 响应
|
||||
{
|
||||
"seq_id": 12347,
|
||||
"code": 0,
|
||||
"message": "ok",
|
||||
"data": {
|
||||
"result": { ... }
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
### 5.3 LangBot 侧 Handler 实现
|
||||
|
||||
在 `ControlConnectionHandler`(LangBot → Runtime 侧)和 `PluginConnectionHandler`(Runtime → Plugin 侧)中新增对应的 action 处理逻辑:
|
||||
|
||||
```python
|
||||
# PluginConnectionHandler 中新增
|
||||
async def _handle_edit_message(self, data):
|
||||
bot_uuid = data["bot_uuid"]
|
||||
bot = await self.ap.platform_mgr.get_bot_by_uuid(bot_uuid)
|
||||
await bot.adapter.edit_message(
|
||||
chat_type=data["chat_type"],
|
||||
chat_id=data["chat_id"],
|
||||
message_id=data["message_id"],
|
||||
new_content=MessageChain.model_validate(data["new_content"]),
|
||||
)
|
||||
return {}
|
||||
|
||||
async def _handle_call_platform_api(self, data):
|
||||
bot_uuid = data["bot_uuid"]
|
||||
bot = await self.ap.platform_mgr.get_bot_by_uuid(bot_uuid)
|
||||
result = await bot.adapter.call_platform_api(
|
||||
action=data["action"],
|
||||
params=data.get("params", {}),
|
||||
)
|
||||
return {"result": result}
|
||||
```
|
||||
|
||||
## 6. 插件开发者迁移指南
|
||||
|
||||
### 6.1 无需迁移(零修改运行)
|
||||
|
||||
以下场景的现有插件**不需要任何修改**:
|
||||
|
||||
- 使用 `PersonNormalMessageReceived` / `GroupNormalMessageReceived` 监听消息
|
||||
- 使用 `PersonCommandSent` / `GroupCommandSent` 处理命令
|
||||
- 使用 `ctx.reply()` 回复消息
|
||||
- 使用 `self.send_message()` 主动发消息
|
||||
- 使用 LLM / 存储 / RAG 等现有 API
|
||||
|
||||
### 6.2 推荐迁移(获得新能力)
|
||||
|
||||
如果插件希望利用新功能,可以:
|
||||
|
||||
1. **监听新事件类型**:在 EventListener 中注册新事件类型的 handler
|
||||
2. **使用新 API**:调用 `self.edit_message()`, `self.get_group_info()` 等
|
||||
3. **使用透传 API**:调用 `self.call_platform_api()` 使用平台特有功能
|
||||
|
||||
### 6.3 SDK 版本号
|
||||
|
||||
新功能通过提升 SDK minor 版本发布:
|
||||
|
||||
- 现有版本:`langbot-plugin-sdk >= x.y.z`
|
||||
- 新版本:`langbot-plugin-sdk >= x.(y+1).0`
|
||||
|
||||
插件的 `manifest.yaml` 中的 `min_sdk_version` 决定是否能使用新 API。使用旧 SDK 版本的插件在新 LangBot 上正常运行(兼容层保证),只是无法调用新 API。
|
||||
429
docs/event-based-agents/06-migration-plan.md
Normal file
429
docs/event-based-agents/06-migration-plan.md
Normal file
@@ -0,0 +1,429 @@
|
||||
# 分阶段迁移计划
|
||||
|
||||
## 1. 概述
|
||||
|
||||
EBA 架构涉及 langbot-plugin-sdk、LangBot 后端、LangBot 前端、文档和示例插件等多个仓库的改动。为降低风险、保证系统稳定性,采用分阶段渐进式迁移策略。
|
||||
|
||||
### 1.1 阶段总览
|
||||
|
||||
| 阶段 | 名称 | 范围 | 依赖 |
|
||||
|------|------|------|------|
|
||||
| Phase 1 | SDK 实体层 | langbot-plugin-sdk | 无 |
|
||||
| Phase 2 | 适配器重构 | LangBot 后端 | Phase 1 |
|
||||
| Phase 3 | 核心系统 | LangBot 后端 | Phase 2 |
|
||||
| Phase 4 | 插件 SDK 集成 | langbot-plugin-sdk + LangBot | Phase 3 |
|
||||
| Phase 5 | WebUI 编排面板 | LangBot 前端 | Phase 3 |
|
||||
| Phase 6 | 文档与示例 | langbot-wiki + langbot-plugin-demo | Phase 4, 5 |
|
||||
|
||||
### 1.2 核心原则
|
||||
|
||||
- **每个阶段结束后系统可运行**:任何阶段完成后,现有功能不受影响
|
||||
- **向后兼容贯穿全程**:旧接口在整个迁移期间保持可用
|
||||
- **先 SDK 后实现**:先定义好接口和模型,再做具体实现
|
||||
- **先核心适配器后边缘**:优先迁移用户量大的适配器
|
||||
|
||||
---
|
||||
|
||||
## 2. Phase 1:SDK 实体层
|
||||
|
||||
**目标**:在 langbot-plugin-sdk 中定义新的事件体系、通用实体、API 接口和适配器基类。
|
||||
|
||||
**仓库**:`langbot-plugin-sdk`
|
||||
|
||||
### 2.1 任务清单
|
||||
|
||||
| # | 任务 | 文件/模块 | 说明 |
|
||||
|---|------|----------|------|
|
||||
| 1.1 | 定义通用事件基类层次 | `api/entities/builtin/platform/events.py` | 新增 `MessageReceivedEvent`, `MessageEditedEvent`, `GroupMemberJoinedEvent` 等,保留现有 `FriendMessage`/`GroupMessage` |
|
||||
| 1.2 | 定义平台特有事件基类 | `api/entities/builtin/platform/events.py` | 新增 `PlatformSpecificEvent` |
|
||||
| 1.3 | 扩展通用实体 | `api/entities/builtin/platform/entities.py` | 新增 `User`(统一 Friend/GroupMember 的基础)、`Channel` 等,保留现有实体 |
|
||||
| 1.4 | 清理消息组件 | `api/entities/builtin/platform/message.py` | 将 `WeChatMiniPrograms` 等 WeChat 特有组件标记为 platform-specific,不再作为通用组件 |
|
||||
| 1.5 | 定义新适配器基类 | `api/definition/abstract/platform/adapter.py` | 新增 `AbstractPlatformAdapter`(继承现有 `AbstractMessagePlatformAdapter` 并扩展通用 API 方法),保留旧基类 |
|
||||
| 1.6 | 定义 API 能力声明 | `api/definition/abstract/platform/capabilities.py`(新文件) | `AdapterCapabilities` 数据类,声明适配器支持的事件和 API |
|
||||
| 1.7 | 定义 `NotSupportedError` | `api/entities/builtin/platform/errors.py`(新文件) | 可选 API 未实现时抛出的异常 |
|
||||
|
||||
### 2.2 关键设计约束
|
||||
|
||||
- 所有新增定义以**新增文件或新增类**的方式引入,**不修改**现有类的字段和方法签名
|
||||
- 现有 `AbstractMessagePlatformAdapter` 保留不动,新基类 `AbstractPlatformAdapter` 继承它
|
||||
- 新事件类与旧事件类并存,通过 `event_type` 字段(命名空间字符串)区分
|
||||
|
||||
### 2.3 验收标准
|
||||
|
||||
- [ ] 所有新增类可正常 import 且通过类型检查
|
||||
- [ ] 现有 `FriendMessage`, `GroupMessage`, `AbstractMessagePlatformAdapter` 等类行为不变
|
||||
- [ ] 新增单元测试覆盖事件序列化/反序列化、实体构造
|
||||
- [ ] SDK 版本号 minor bump(如 `0.x.0` → `0.x+1.0`)
|
||||
|
||||
---
|
||||
|
||||
## 3. Phase 2:适配器重构
|
||||
|
||||
**目标**:将现有单文件适配器迁移到独立目录结构,实现新事件监听和通用 API。
|
||||
|
||||
**仓库**:`LangBot`(后端)
|
||||
|
||||
### 3.1 适配器迁移优先级
|
||||
|
||||
根据用户量和代表性,建议按以下顺序迁移:
|
||||
|
||||
| 优先级 | 适配器 | 理由 |
|
||||
|--------|--------|------|
|
||||
| P0 | **Telegram** | 用户量大,API 最完善,适合作为参考实现 |
|
||||
| P0 | **Discord** | 国际用户主要平台,事件类型丰富 |
|
||||
| P1 | **aiocqhttp**(OneBot v11) | 国内 QQ 用户主要适配器 |
|
||||
| P1 | **Satori** | 通用协议适配器,覆盖多个平台 |
|
||||
| P2 | **Lark** / **DingTalk** / **Slack** | 企业平台,用户量中等 |
|
||||
| P2 | **qqofficial** / **WeChat 系列** | 国内用户 |
|
||||
| P3 | **Kook** / **LINE** / **WeCom 系列** | 用户量较小 |
|
||||
| P3 | **WebSocket** | 内置适配器,相对简单 |
|
||||
| P4 | **legacy/*** | 遗留适配器,按需决定是否迁移或废弃 |
|
||||
|
||||
### 3.2 单个适配器迁移步骤(以 Telegram 为例)
|
||||
|
||||
| # | 任务 | 说明 |
|
||||
|---|------|------|
|
||||
| 2.1 | 创建目录结构 | `pkg/platform/adapters/telegram/` 下创建 `__init__.py`, `adapter.py`, `event_converter.py`, `message_converter.py`, `api_impl.py`, `types.py`, `manifest.yaml` |
|
||||
| 2.2 | 迁移消息转换器 | 将 `TelegramMessageConverter` 从 `sources/telegram.py` 搬到 `adapters/telegram/message_converter.py`,逻辑不变 |
|
||||
| 2.3 | 重写事件转换器 | 新的 `TelegramEventConverter` 支持将 Telegram Update 转换为所有通用事件类型(不只是消息),不支持的事件转为 `PlatformSpecificEvent` |
|
||||
| 2.4 | 实现通用 API | 在 `api_impl.py` 中实现 `edit_message`, `delete_message`, `get_group_info` 等 Telegram 支持的通用 API |
|
||||
| 2.5 | 实现透传 API | 在 `adapter.py` 中实现 `call_platform_api`,将 action 映射到 Telegram Bot API 调用 |
|
||||
| 2.6 | 声明能力 | 在 `manifest.yaml` 或适配器类中声明支持的事件和 API 列表 |
|
||||
| 2.7 | 新建 Adapter 主类 | `TelegramAdapter` 继承 `AbstractPlatformAdapter`(新基类),委托各模块实现 |
|
||||
| 2.8 | 更新 manifest.yaml | 更新 `execution.python.path` 指向新位置 |
|
||||
| 2.9 | 验证 | 确保新适配器通过现有消息收发流程的测试 |
|
||||
|
||||
### 3.3 基础设施任务
|
||||
|
||||
| # | 任务 | 说明 |
|
||||
|---|------|------|
|
||||
| 2.A | 创建 `adapters/_base/` | 将 SDK 中新基类的运行时辅助代码放在此处(如事件分发辅助函数) |
|
||||
| 2.B | 更新 ComponentDiscovery | 使 `discover_blueprint` 支持扫描 `adapters/` 子目录中的 YAML |
|
||||
| 2.C | 更新 `templates/components.yaml` | 将 `fromDirs` 从 `pkg/platform/sources/` 改为 `pkg/platform/adapters/`(过渡期两个都扫描) |
|
||||
| 2.D | 保留旧 sources/ | 过渡期不删除旧文件,通过 manifest 的 `deprecated: true` 标记 |
|
||||
|
||||
### 3.4 验收标准
|
||||
|
||||
- [ ] 已迁移的适配器在新目录结构下正常启动和收发消息
|
||||
- [ ] 新事件(如 `message.edited`)在支持的平台上正确触发
|
||||
- [ ] 通用 API(如 `edit_message`)在支持的平台上正确执行
|
||||
- [ ] 未迁移的适配器(仍在 `sources/`)继续正常工作
|
||||
- [ ] ComponentDiscovery 同时扫描新旧目录
|
||||
|
||||
---
|
||||
|
||||
## 4. Phase 3:核心系统
|
||||
|
||||
**目标**:实现 EventBus、EventRouter 和事件处理器框架,将事件从适配器分发到不同的处理器。
|
||||
|
||||
**仓库**:`LangBot`(后端)
|
||||
|
||||
### 4.1 任务清单
|
||||
|
||||
| # | 任务 | 文件/模块 | 说明 |
|
||||
|---|------|----------|------|
|
||||
| 3.1 | 实现 EventBus | `pkg/platform/event_bus.py`(新文件) | 事件总线:接收适配器事件,进行日志记录,分发给 EventRouter |
|
||||
| 3.2 | 实现 EventRouter | `pkg/platform/event_router.py`(新文件) | 事件路由引擎:读取 Bot 的 `event_handlers` 配置,匹配事件类型,分发到对应 Handler |
|
||||
| 3.3 | 实现 PipelineHandler | `pkg/platform/handlers/pipeline_handler.py` | 将 `message.received` 事件转为现有 Query,进入 Pipeline 流水线 |
|
||||
| 3.4 | 实现 AgentHandler | `pkg/platform/handlers/agent_handler.py` | 直接调用 RequestRunner 处理事件,不经过 Pipeline 多 Stage 流程 |
|
||||
| 3.5 | 实现 WebhookHandler | `pkg/platform/handlers/webhook_handler.py` | 将事件 POST 到外部 URL,解析响应执行动作(重构现有 WebhookPusher) |
|
||||
| 3.6 | 实现 PluginHandler | `pkg/platform/handlers/plugin_handler.py` | 将事件分发给插件 EventListener(复用现有 plugin_connector 机制) |
|
||||
| 3.7 | Bot 实体扩展 | `pkg/entity/persistence/bot.py` | 新增 `event_handlers` JSON 字段 |
|
||||
| 3.8 | 数据库迁移 | `pkg/persistence/migrations/` | 新增迁移脚本:添加 `event_handlers` 列,将现有 `use_pipeline_uuid` 数据迁移为 `event_handlers` 格式 |
|
||||
| 3.9 | 重构 RuntimeBot | `pkg/platform/botmgr.py` | 将 `initialize()` 中硬编码的 `on_friend_message`/`on_group_message` 回调替换为通过 EventBus 分发所有事件 |
|
||||
| 3.10 | 重构 MessageAggregator | `pkg/pipeline/aggregator.py` | 从 RuntimeBot 解耦,作为 PipelineHandler 的内部机制(只对 `message.received` 事件生效) |
|
||||
| 3.11 | Agent Handler 中 RequestRunner 解耦 | `pkg/provider/runner.py` + handlers | RequestRunner 需要能独立于 Pipeline Stage 运行,为 Agent Handler 提供轻量调用路径 |
|
||||
| 3.12 | HTTP API 扩展 | `pkg/api/http/controller/` | 新增/更新 Bot API 端点以支持 `event_handlers` 的 CRUD |
|
||||
|
||||
### 4.2 数据迁移策略
|
||||
|
||||
现有 Bot 表有 `use_pipeline_uuid` 字段,需要自动迁移为 `event_handlers`:
|
||||
|
||||
```python
|
||||
# 迁移逻辑伪代码
|
||||
for bot in all_bots:
|
||||
if bot.use_pipeline_uuid:
|
||||
bot.event_handlers = [
|
||||
{
|
||||
"event_type": "message.received",
|
||||
"handler_type": "pipeline",
|
||||
"handler_config": {
|
||||
"pipeline_uuid": bot.use_pipeline_uuid
|
||||
}
|
||||
}
|
||||
]
|
||||
else:
|
||||
bot.event_handlers = []
|
||||
```
|
||||
|
||||
### 4.3 RuntimeBot 重构要点
|
||||
|
||||
当前 `RuntimeBot.initialize()` 硬编码注册两个回调:
|
||||
|
||||
```python
|
||||
# 现有代码 (botmgr.py)
|
||||
self.adapter.register_listener(FriendMessage, on_friend_message)
|
||||
self.adapter.register_listener(GroupMessage, on_group_message)
|
||||
```
|
||||
|
||||
重构后改为注册通用事件回调:
|
||||
|
||||
```python
|
||||
# 新代码
|
||||
async def on_event(event: Event, adapter: AbstractPlatformAdapter):
|
||||
await self.event_bus.emit(
|
||||
bot_uuid=self.bot_entity.uuid,
|
||||
event=event,
|
||||
adapter=adapter,
|
||||
)
|
||||
|
||||
# 注册所有事件类型的统一回调
|
||||
self.adapter.register_listener(Event, on_event)
|
||||
```
|
||||
|
||||
EventBus 接收事件后,调用 EventRouter 按配置分发。
|
||||
|
||||
### 4.4 事件处理器执行流程
|
||||
|
||||
```
|
||||
EventBus.emit(bot_uuid, event, adapter)
|
||||
│
|
||||
▼
|
||||
EventRouter.route(bot_uuid, event)
|
||||
│ 查询 bot.event_handlers 配置
|
||||
│ 匹配 event_type(精确匹配 > 通配符 *)
|
||||
▼
|
||||
匹配到的 Handler(s)
|
||||
│
|
||||
├── PipelineHandler.handle(event, adapter)
|
||||
│ │ 仅支持 message.received
|
||||
│ │ 构造 Query → MessageAggregator → QueryPool → Pipeline
|
||||
│ └── 沿用现有完整流水线机制
|
||||
│
|
||||
├── AgentHandler.handle(event, adapter)
|
||||
│ │ 根据 handler_config 选择 RequestRunner
|
||||
│ │ 直接调用 runner.run() 处理事件
|
||||
│ └── 将结果通过 adapter API 回复
|
||||
│
|
||||
├── WebhookHandler.handle(event, adapter)
|
||||
│ │ 序列化事件为 JSON
|
||||
│ │ POST 到 handler_config.url
|
||||
│ └── 解析响应,执行动作(回复消息、调用 API 等)
|
||||
│
|
||||
└── PluginHandler.handle(event, adapter)
|
||||
│ 通过 plugin_connector 分发给插件
|
||||
└── 插件 EventListener 处理
|
||||
```
|
||||
|
||||
### 4.5 验收标准
|
||||
|
||||
- [ ] `message.received` 事件通过 PipelineHandler 正确进入现有 Pipeline(与旧行为一致)
|
||||
- [ ] 新增事件(如 `group.member_joined`)能通过 PluginHandler 分发给插件
|
||||
- [ ] AgentHandler 能直接调用 RequestRunner(至少 `local-agent`)处理事件并回复
|
||||
- [ ] WebhookHandler 能将事件 POST 到外部 URL
|
||||
- [ ] 数据库迁移正确执行,`use_pipeline_uuid` 数据迁移到 `event_handlers`
|
||||
- [ ] 现有 Bot 在不修改配置的情况下行为不变(自动迁移保证)
|
||||
|
||||
---
|
||||
|
||||
## 5. Phase 4:插件 SDK 集成
|
||||
|
||||
**目标**:将新事件和 API 通过插件 SDK 暴露给插件开发者,同时实现兼容层。
|
||||
|
||||
**仓库**:`langbot-plugin-sdk` + `LangBot`
|
||||
|
||||
### 5.1 任务清单
|
||||
|
||||
| # | 任务 | 说明 |
|
||||
|---|------|------|
|
||||
| 4.1 | 新增插件事件包装 | 在 `api/entities/events.py` 中为每个通用事件新增插件级事件类(如 `MessageEditedReceived`, `MemberJoinedReceived`) |
|
||||
| 4.2 | 兼容层实现 | `PersonMessageReceived` / `GroupMessageReceived` 由新的 `MessageReceivedEvent` 自动生成,旧事件作为新事件的 alias |
|
||||
| 4.3 | 新 API 暴露 | 在 `LangBotAPIProxy` 中新增方法:`edit_message`, `delete_message`, `get_group_info`, `get_user_info`, `call_platform_api` 等 |
|
||||
| 4.4 | 通信协议扩展 | 在 `entities/io/actions/enums.py` 中新增 action 枚举(如 `EDIT_MESSAGE`, `DELETE_MESSAGE`, `GET_GROUP_INFO`, `CALL_PLATFORM_API`) |
|
||||
| 4.5 | Runtime Handler 扩展 | 在 PluginConnectionHandler / ControlConnectionHandler 中添加新 action 的处理逻辑 |
|
||||
| 4.6 | EventListener 扩展 | 确保 `@handler()` 装饰器支持注册新事件类型 |
|
||||
| 4.7 | QueryBasedAPI 扩展 | 在 `QueryBasedAPIProxy` 中新增事件上下文相关的 API(如 `get_event_source_adapter`) |
|
||||
|
||||
### 5.2 兼容层详细设计
|
||||
|
||||
```
|
||||
新事件系统 旧事件系统(兼容层)
|
||||
───────────── ─────────────────
|
||||
MessageReceivedEvent ┌→ PersonMessageReceived (chat_type == "private")
|
||||
(chat_type: "private"|"group") ┤
|
||||
└→ GroupMessageReceived (chat_type == "group")
|
||||
```
|
||||
|
||||
**实现方式**:在 RuntimeEventDispatcher 中,当分发 `MessageReceivedEvent` 给插件时,同时生成对应的旧事件类实例。插件可以用新事件类或旧事件类注册 handler,都能收到。
|
||||
|
||||
### 5.3 验收标准
|
||||
|
||||
- [ ] 现有插件(使用旧事件和 API)无需修改即可运行
|
||||
- [ ] 新插件可以使用新事件类型(如 `MemberJoinedReceived`)注册 handler
|
||||
- [ ] 新 API(如 `edit_message`)可通过 `self.edit_message()` 或 `event_context.edit_message()` 调用
|
||||
- [ ] 透传 API `call_platform_api` 可正常调用适配器特有功能
|
||||
- [ ] 所有新 action 的通信协议正确工作(stdio / WebSocket)
|
||||
|
||||
---
|
||||
|
||||
## 6. Phase 5:WebUI 编排面板
|
||||
|
||||
**目标**:在 WebUI 的 Bot 管理页面实现事件处理器的可视化编排。
|
||||
|
||||
**仓库**:`LangBot`(前端 `web/`)
|
||||
|
||||
### 6.1 任务清单
|
||||
|
||||
| # | 任务 | 说明 |
|
||||
|---|------|------|
|
||||
| 5.1 | Bot 编辑页面扩展 | 在 Bot 编辑页面新增「事件处理」面板 |
|
||||
| 5.2 | 事件处理器列表组件 | 可视化展示当前 Bot 的 `event_handlers` 列表,支持增删改排序 |
|
||||
| 5.3 | 事件类型选择器 | 下拉选择事件类型(命名空间分组展示),支持通配符 `*` |
|
||||
| 5.4 | Handler 类型选择与配置 | 选择 handler 类型后展示对应的配置表单(Pipeline 选择器、Runner 选择器、Webhook URL 等) |
|
||||
| 5.5 | Pipeline Handler 配置 | 复用现有的 Pipeline 选择 UI(从现有 `use_pipeline_uuid` 选择器迁移) |
|
||||
| 5.6 | Agent Handler 配置 | Runner 选择器(local-agent / dify / n8n / coze 等)+ Runner 参数配置表单 |
|
||||
| 5.7 | Webhook Handler 配置 | URL 输入、认证方式选择、Header 配置 |
|
||||
| 5.8 | Plugin Handler 配置 | 通常无需额外配置,分发给所有匹配的插件 EventListener |
|
||||
| 5.9 | HTTP API 对接 | 前端调用后端 API 保存/读取 `event_handlers` 配置 |
|
||||
| 5.10 | 迁移提示 | 对于从旧版本升级的用户,如果检测到 `use_pipeline_uuid` 已自动迁移,展示提示说明 |
|
||||
|
||||
### 6.2 UI 交互设计概要
|
||||
|
||||
```
|
||||
┌─ Bot 编辑页面 ─────────────────────────────────────┐
|
||||
│ │
|
||||
│ 基本信息 │ 适配器配置 │ ★ 事件处理 │ │
|
||||
│ │
|
||||
│ ┌─ 事件处理器列表 ────────────────────────────┐ │
|
||||
│ │ │ │
|
||||
│ │ ① message.received → Pipeline: "主流水线" │ │
|
||||
│ │ [编辑] [删除] │ │
|
||||
│ │ │ │
|
||||
│ │ ② group.member_joined → Agent: local-agent │ │
|
||||
│ │ [编辑] [删除] │ │
|
||||
│ │ │ │
|
||||
│ │ ③ * (默认) → Plugin │ │
|
||||
│ │ [编辑] [删除] │ │
|
||||
│ │ │ │
|
||||
│ │ [+ 添加事件处理器] │ │
|
||||
│ │ │ │
|
||||
│ └──────────────────────────────────────────────┘ │
|
||||
│ │
|
||||
│ [保存] [取消] │
|
||||
└─────────────────────────────────────────────────────┘
|
||||
```
|
||||
|
||||
### 6.3 验收标准
|
||||
|
||||
- [ ] 用户可以在 WebUI 上为 Bot 添加/编辑/删除事件处理器
|
||||
- [ ] 四种 Handler 类型均有对应的配置表单
|
||||
- [ ] 配置保存后正确写入数据库 `event_handlers` 字段
|
||||
- [ ] 旧版本升级后,自动迁移的配置在 UI 上正确展示
|
||||
- [ ] Pipeline Handler 的行为与旧的 `use_pipeline_uuid` 完全一致
|
||||
|
||||
---
|
||||
|
||||
## 7. Phase 6:文档与示例
|
||||
|
||||
**目标**:更新所有面向开发者的文档和示例。
|
||||
|
||||
**仓库**:`langbot-wiki`, `langbot-plugin-demo`
|
||||
|
||||
### 7.1 任务清单
|
||||
|
||||
| # | 任务 | 仓库 | 说明 |
|
||||
|---|------|------|------|
|
||||
| 6.1 | EBA 架构概览文档 | langbot-wiki | 面向用户的新架构说明 |
|
||||
| 6.2 | 适配器开发指南更新 | langbot-wiki | 如何开发一个新的适配器(新目录结构、新基类、事件转换等) |
|
||||
| 6.3 | 插件开发指南更新 | langbot-wiki | 新事件类型、新 API 的使用说明 |
|
||||
| 6.4 | 插件迁移指南 | langbot-wiki | 现有插件如何迁移到新事件/API(如果需要使用新能力) |
|
||||
| 6.5 | 事件处理器配置指南 | langbot-wiki | WebUI 上如何配置事件处理器 |
|
||||
| 6.6 | 示例插件更新 | langbot-plugin-demo | HelloPlugin 增加新事件监听示例、新 API 调用示例 |
|
||||
| 6.7 | 新示例插件 | langbot-plugin-demo | 新建一个示例展示非消息事件处理(如入群欢迎) |
|
||||
|
||||
---
|
||||
|
||||
## 8. 风险评估与缓解
|
||||
|
||||
### 8.1 技术风险
|
||||
|
||||
| 风险 | 影响 | 概率 | 缓解措施 |
|
||||
|------|------|------|----------|
|
||||
| 适配器迁移中断现有功能 | 高 | 中 | 新旧目录并存,ComponentDiscovery 同时扫描两个目录,逐个适配器迁移验证 |
|
||||
| 事件模型不兼容导致插件崩溃 | 高 | 低 | 兼容层保证旧事件类型继续工作,新增类不修改旧类 |
|
||||
| 数据库迁移失败 | 高 | 低 | 迁移脚本做前置校验,`use_pipeline_uuid` 在过渡期保留不删除 |
|
||||
| RequestRunner 解耦破坏 Pipeline | 高 | 中 | Agent Handler 调用 Runner 的路径独立于 Pipeline,不修改现有 Pipeline Stage 中的 Runner 调用逻辑 |
|
||||
| 性能回退(EventBus 额外开销) | 中 | 低 | EventBus 在进程内同步分发,无额外序列化/网络开销 |
|
||||
| 各平台事件差异大难以统一 | 中 | 中 | 通用事件只抽象最大公约数字段,差异部分保留在 `source_platform_object`;不支持的事件走 `PlatformSpecificEvent` |
|
||||
|
||||
### 8.2 兼容性风险
|
||||
|
||||
| 风险 | 缓解措施 |
|
||||
|------|----------|
|
||||
| 现有插件使用旧事件类 | 兼容层自动将新事件转为旧事件分发,两种事件类都能注册 handler |
|
||||
| 现有插件调用 `reply()` / `send_message()` | 这两个 API 保持不变,只是底层实现可能微调 |
|
||||
| 第三方基于 `AbstractMessagePlatformAdapter` 开发的适配器 | 旧基类保留,新基类继承旧基类,第三方适配器无需立即迁移 |
|
||||
| 用户自定义 Pipeline 配置 | Pipeline 机制完整保留,PipelineHandler 只是入口变了(从 RuntimeBot 硬编码变为 EventRouter 配置) |
|
||||
|
||||
### 8.3 回滚策略
|
||||
|
||||
每个 Phase 独立可回滚:
|
||||
|
||||
- **Phase 1**(SDK 新增类):删除新增文件,回退 SDK 版本号
|
||||
- **Phase 2**(适配器目录):恢复 `components.yaml` 的 `fromDirs` 指向旧目录,旧 sources/ 未删除
|
||||
- **Phase 3**(核心系统):回退数据库迁移,恢复 RuntimeBot 旧的硬编码回调
|
||||
- **Phase 4**(插件集成):回退 SDK 版本,插件使用旧版 SDK
|
||||
- **Phase 5**(WebUI):前端回退,Bot 编辑页面隐藏事件处理面板
|
||||
|
||||
---
|
||||
|
||||
## 9. 里程碑与时间线建议
|
||||
|
||||
| 里程碑 | 阶段 | 预期产出 |
|
||||
|--------|------|----------|
|
||||
| M1 | Phase 1 完成 | SDK 新版本发布,包含新事件/实体/基类定义 |
|
||||
| M2 | Phase 2 首批适配器(Telegram + Discord) | 两个参考实现,验证目录结构和事件/API 体系 |
|
||||
| M3 | Phase 3 核心系统 | EventBus + EventRouter + 四种 Handler 可用 |
|
||||
| M4 | Phase 2 剩余适配器 | 所有活跃适配器迁移完成 |
|
||||
| M5 | Phase 4 插件集成 | 新 SDK 发布,插件可使用新事件和 API |
|
||||
| M6 | Phase 5 WebUI | 事件处理器编排面板上线 |
|
||||
| M7 | Phase 6 文档 | 开发者文档和示例更新完毕 |
|
||||
|
||||
建议 M1-M3 作为第一个大版本发布(如 v5.0),M4-M7 在后续小版本迭代中完成。
|
||||
|
||||
---
|
||||
|
||||
## 10. 开发指引
|
||||
|
||||
### 10.1 分支策略
|
||||
|
||||
建议在主仓库创建 `feature/eba` 长期特性分支,各 Phase 在子分支上开发后合入特性分支:
|
||||
|
||||
```
|
||||
main
|
||||
└── feature/eba
|
||||
├── feature/eba-sdk-entities (Phase 1)
|
||||
├── feature/eba-adapter-telegram (Phase 2)
|
||||
├── feature/eba-adapter-discord (Phase 2)
|
||||
├── feature/eba-core-system (Phase 3)
|
||||
├── feature/eba-plugin-sdk (Phase 4)
|
||||
└── feature/eba-webui (Phase 5)
|
||||
```
|
||||
|
||||
### 10.2 测试策略
|
||||
|
||||
| 层次 | 测试内容 | 工具 |
|
||||
|------|----------|------|
|
||||
| 单元测试 | 事件序列化/反序列化、实体构造、API 调用 mock | pytest |
|
||||
| 集成测试 | EventBus → EventRouter → Handler 全链路 | pytest + asyncio |
|
||||
| 适配器测试 | 各适配器的事件转换、消息转换、API 调用 | pytest + mock SDK |
|
||||
| 端到端测试 | 从模拟平台事件到完整处理流程 | staging 环境 |
|
||||
| 插件兼容性测试 | 旧插件在新系统下的行为 | langbot-plugin-demo |
|
||||
|
||||
### 10.3 代码审查关注点
|
||||
|
||||
- 新增代码是否影响现有行为
|
||||
- 兼容层是否正确映射所有旧事件/API 场景
|
||||
- 数据库迁移是否可逆
|
||||
- 新 API 的错误处理(`NotSupportedError`)是否一致
|
||||
- 事件模型的序列化在 stdio/WebSocket 通信中是否正确
|
||||
Reference in New Issue
Block a user