Initial: multi-agent XMPP communication system with dashboard

- Platform-based architecture (Windows/Linux/Mac)
- Agent instance registry (agents.yaml)
- Management dashboard with cross-platform monitoring
- xmpp_bot with HTTP bridge + health endpoints
- wechat_agent with WeChat-Hermes bridging
- Platform services: ProcessGuardian, HealthProbe, APIRouter, ChannelBridge
- Deployment: systemd (Linux) + PowerShell (Windows)
- Monitoring: SSH+ejabberdctl for cross-platform presence

src/ops/watch_group.py

@@ -0,0 +1,36 @@
+"""
+Monitor XMPP group messages from the HTTP bridge.
+Prints new messages as they arrive. Press Ctrl+C to stop.
+Usage: python watch_group.py [--from mohe]
+"""
+import sys, time, json, urllib.request
+
+URL = "http://127.0.0.1:5802/messages"
+SENDER = None
+
+args = sys.argv[1:]
+for i, a in enumerate(args):
+    if a == "--from" and i + 1 < len(args):
+        SENDER = args[i + 1]
+
+last_ts = ""
+
+while True:
+    try:
+        url = URL
+        if SENDER:
+            url += f"?from={SENDER}"
+        resp = urllib.request.urlopen(url, timeout=5)
+        data = json.loads(resp.read())
+        msgs = data.get("messages", [])
+        new_msgs = [m for m in msgs if m["ts"] > last_ts]
+        for m in new_msgs:
+            last_ts = m["ts"]
+            sender_tag = f"[{m['from']}]"
+            print(f"\n{sender_tag} {m['body']}")
+            print("---")
+        if new_msgs:
+            print(f"\n({len(new_msgs)} new, waiting...)", flush=True)
+    except Exception as e:
+        print(f"(poll error: {e})", flush=True)
+    time.sleep(3)