自检循环2: R01 Gateway监控 + 服务树扩展

- 新增gateway_mohe:8642 + gateway_zhiwei:8643到服务注册表
- 新增api_services返回2个Gateway的健康状态
- I功能树+J拓扑自动包含Gateway节点
- PRD R01状态: ❌→🔄(监控已加,auto-restart待systemd)

docs/PRD.md

@@ -89,7 +89,7 @@
 
 | 编号 | 问题 | 影响 | 当前措施 | 优先级 | 当前状态 |
 |------|------|------|----------|--------|----------|
-| R01 | Gateway 进程意外退出未自动拉起 | 服务中断 | 无自动恢复 | P0 | ❌ 未修复 |
+| R01 | Gateway 进程意外退出未自动拉起 | 服务中断 | 无自动恢复 | P0 | 🔄 Gateway 健康已纳入监控(I/J Tab显示), 自动拉起待 systemd 配置 |
 | R02 | XMPP Bot 断线后重连失败 | 消息丢失 | slixmpp reconnect 不可靠 | P0 | ✅ frp heartbeat已加 |
 | R03 | Provider key 过期/配额超限无告警 | LLM 调用失败 | fallback 不总能触发 | P0 | 🔄 fallback链待验证 |
 | R04 | Session 膨胀导致响应退化 | 回复质量下降 | 硬截断 200 条 | P1 | ✅ 硬截断200条已实现 |

gateway/scripts/dashboard.py

@@ -629,6 +629,13 @@ def api_services():
         online = _ejabberd_online_jids()
         services.append({"name": "ejabberd", "port": 5222, "health": {"ok": len(online) > 0},
                          "watchdog": True, "pid_lock": False, "type": "infra", "depends_on": []})
+        # remote gateways (R01 monitoring)
+        g1 = {"name": "gateway_mohe", "port": 8642, "health": _health_status("http://192.168.1.246:8642/v1/health"),
+              "watchdog": False, "pid_lock": False, "type": "gateway", "depends_on": ["ejabberd"]}
+        services.append(g1)
+        g2 = {"name": "gateway_zhiwei", "port": 8643, "health": _health_status("http://192.168.1.246:8643/v1/health"),
+              "watchdog": False, "pid_lock": False, "type": "gateway", "depends_on": ["ejabberd"]}
+        services.append(g2)
         # 统计
         watched = sum(1 for s in services if s.get("watchdog"))
         return jsonify({"ok": True, "services": services, "watched": watched, "total": len(services)})

gateway/scripts/service_registry.py

@@ -53,4 +53,30 @@ SERVICES = [
         "log_files": lambda: [],
         "description": "AgentsMeeting 管理门户",
     },
+    {
+        "name": "gateway_mohe",
+        "script": None,
+        "args": [],
+        "workdir": None,
+        "pid_file": None,
+        "port": 8642,
+        "health_url": "http://192.168.1.246:8642/v1/health",
+        "accept_401": True,      # may need auth
+        "depends_on": ["ejabberd"],
+        "log_files": lambda: [],
+        "description": "Hermes Gateway (mohe@yoin.fun)",
+    },
+    {
+        "name": "gateway_zhiwei",
+        "script": None,
+        "args": [],
+        "workdir": None,
+        "pid_file": None,
+        "port": 8643,
+        "health_url": "http://192.168.1.246:8643/v1/health",
+        "accept_401": True,
+        "depends_on": ["ejabberd"],
+        "log_files": lambda: [],
+        "description": "Hermes Gateway (zhiwei@yoin.fun)",
+    },
 ]