on_mqtt_register : mise à jour automatique du registre + distinction NOUVEAU/EN LIGNE

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

agent1.py

@@ -134,7 +134,7 @@ def on_mqtt_notification(client, userdata, msg):
         print("[MQTT] Erreur parsing notification scheduler : {}".format(e))
 
 def on_mqtt_register(client, userdata, msg):
-    """Reçoit les déclarations de mise en ligne des agents."""
+    """Reçoit les déclarations de mise en ligne des agents et met à jour le registre."""
     try:
         data       = json.loads(msg.payload.decode(errors="replace"))
         agent      = data.get("agent", "?")
@@ -142,9 +142,28 @@ def on_mqtt_register(client, userdata, msg):
         mqtt_inbox = data.get("mqtt_inbox", "?")
         speciality = data.get("speciality", "")
         print("[REGISTER] {} en ligne (JID: {}, inbox: {})".format(agent, jid, mqtt_inbox))
+
+        # Mettre à jour agents_registry.json
+        registry_file = CONFIG_DIR / "agents_registry.json"
+        try:
+            registry = json.loads(registry_file.read_text(encoding="utf-8"))
+        except Exception:
+            registry = {}
+        is_new = agent not in registry
+        registry[agent] = {
+            "jid"        : jid,
+            "mqtt_inbox" : mqtt_inbox,
+            "mqtt_outbox": "agents/agent1/inbox",
+            "speciality" : speciality,
+        }
+        registry_file.write_text(json.dumps(registry, indent=2, ensure_ascii=False), encoding="utf-8")
+        if is_new:
+            print("[REGISTER] {} ajouté au registre.".format(agent))
+
         # Notifier sylvain via XMPP
         if xmpp_bot:
-            notif = "[EN LIGNE] {}\n  JID  : {}\n  MQTT : {}".format(agent, jid, mqtt_inbox)
+            status = "NOUVEAU" if is_new else "EN LIGNE"
+            notif = "[{}] {}\n  JID  : {}\n  MQTT : {}".format(status, agent, jid, mqtt_inbox)
             if speciality:
                 notif += "\n  Rôle : {}".format(speciality)
             xmpp_bot.send_message(mto=ADMIN_JID, mbody=notif, mtype='chat')