AgentStatusRow: carry active_model + set_status text/timestamp

hive-c0re/src/server.rs

@@ -384,6 +384,9 @@ async fn handle_agent_status(coord: &Arc<Coordinator>) -> HostResponse {
             pending_reminders: 0,
             parent: v.parent,
             paused: v.paused,
+            active_model: v.active_model,
+            status_text: v.status_text,
+            status_set_at: v.status_set_at,
         })
         .collect();
     HostResponse::agent_statuses(rows)