hive-c0re: push ConfigReady as a todo, not a broker message

hive-c0re/src/actions.rs

@@ -739,12 +739,18 @@ async fn finish_approval(
     match approval.kind {
         ApprovalKind::InitConfig => {
             if ok {
-                coord.notify_submitter(
+                coord
+                    .push_todo_submitter(
                         approval.id,
-                    &HelperEvent::ConfigReady {
+                        "core",
-                        agent: approval.agent.to_string(),
+                        Some(format!("config_ready:{}", approval.agent)),
-                    },
+                        format!(
-                );
+                            "agent '{}' config repo ready — edit + apply",
+                            approval.agent
+                        ),
+                        None,
+                    )
+                    .await;
             }
         }
         ApprovalKind::Spawn => {