feat(#2302): thread &Ident through agent path builders

hive-c0re/src/dashboard/permissions.rs

@@ -344,6 +344,7 @@ pub(super) async fn get_stale_permissions(
     let kept: std::collections::HashSet<String> =
         crate::coordinator::Coordinator::kept_state_names()
             .into_iter()
+            .map(hive_host_sock::Ident::into_string)
             .collect();
     // Known = live roster ∪ kept-state names.
     let known: std::collections::HashSet<&String> = live.iter().chain(kept.iter()).collect();