Add archived/a2a-inbox-handler

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2026-07-10 16:10:41 +08:00
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---
name: a2a-inbox-handler
description: A2A消息自动响应机制 — webhook接收 + inotify实时监听 + cron兜底轮询
version: 1.0
tags: [a2a, inbox, webhook, inotify, cron]
---
# A2A Inbox Handler
HAgent201 自动响应其他Agent通过A2A Gateway发来的消息。
## 架构
```
方案一:Gateway /route → 本地 Webhook :8788 → ~/.hermes/a2a/inbox/ → inotify watcher → hermes chat
方案二:cron scanner (5min) 轮询主动拉取 Gateway GET /inbox/{agent_id}/messages → hermes chat → PATCH 标记已读
```
## 文件结构
```
~/.hermes/a2a/
├── webhook_receiver.py # HTTP服务,POST /a2a/inbox 接收消息
├── inbox_watcher.py # inotify实时监听,新消息触发hermes chat
├── inbox_scanner.py # cron兜底,扫描inbox处理漏网消息
├── a2a_handler.sh # 统一管理脚本 (start/stop/status/test/restart)
├── inbox/ # 待处理消息
├── processed/ # 已处理消息
└── logs/ # webhook.log, watcher.log, scanner.log
```
## 管理
```bash
# 启动/停止
~/.hermes/a2a/a2a_handler.sh start
~/.hermes/a2a/a2a_handler.sh stop
~/.hermes/a2a/a2a_handler.sh restart
~/.hermes/a2a/a2a_handler.sh status
# 测试
~/.hermes/a2a/a2a_handler.sh test
# 手动扫描
python3 ~/.hermes/a2a/inbox_scanner.py
```
## 开机自启
systemd service: `a2a-handler.service` (enabled)
## Cron兜底
cronjob ID: cf0afc951a01, 每5分钟执行 `inbox_scanner.py`
## 端口
- Webhook: 8788 (POST /a2a/inbox, GET /health)
## 消息格式
Webhook接收的JSON
```json
{
"source_agent_id": "custom_xxx",
"payload": {"message": "...", "action": "chat"}
}
```
处理后移至 `processed/` 目录。
## 注意
- Gateway 目前没有原生inbox端点,/route是即发即弃
- 如果要实现Gateway → Webhook转发,需在Gateway端配置消息路由
- inbox_watcher依赖 pyinotify(已安装到hermes-agent venv