Add notification model (#31)

Co-authored-by: Anibal Angulo <a8065384@banorte.com>
Reviewed-on: #31

src/va_agent/dynamic_instruction.py

@@ -84,23 +84,16 @@ async def provide_dynamic_instruction(
             return ""
 
         # Build dynamic instruction with notification details
-        notification_ids = [
-            nid
-            for n in recent_notifications
-            if (nid := n.get("id_notificacion")) is not None
-        ]
+        notification_ids = [n.id_notificacion for n in recent_notifications]
         count = len(recent_notifications)
 
         # Format notification details for the agent (most recent first)
         now = time.time()
         notification_details = []
         for i, notif in enumerate(recent_notifications, 1):
-            evento = notif.get("nombre_evento_dialogflow", "notificacion")
-            texto = notif.get("texto", "Sin texto")
-            ts = notif.get("timestamp_creacion", notif.get("timestampCreacion", 0))
-            ago = _format_time_ago(now, ts)
+            ago = _format_time_ago(now, notif.timestamp_creacion)
             notification_details.append(
-                f"  {i}. [{ago}] Evento: {evento} | Texto: {texto}"
+                f"  {i}. [{ago}] Evento: {notif.nombre_evento} | Texto: {notif.texto}"
             )
 
         details_text = "\n".join(notification_details)
@@ -123,6 +116,7 @@ async def provide_dynamic_instruction(
             count,
             phone_number,
         )
+        logger.debug("Dynamic instruction content:\n%s", instruction)
 
     except Exception:
         logger.exception(