feat(#2302): migrate dashboard to the single hive-host-sock Ident newtype

hive-c0re/src/dashboard/tombstones.rs

@@ -17,7 +17,7 @@ use crate::container_view::{ContainerView, claude_has_session};
 use crate::coordinator::Coordinator;
 use crate::lifecycle;
 
-use super::{AppState, error_response, idents::AgentName};
+use super::{AppState, Ident, error_response};
 
 #[derive(Serialize, Clone, Debug)]
 pub struct TombstoneView {
@@ -116,7 +116,7 @@ pub(super) async fn post_purge_tombstone(
     // `containers_snapshot()` is deliberately NOT used here:
     // tombstoned agents are gone from the snapshot by design; that's
     // the whole point of this endpoint.
-    let name = match AgentName::parse(&name) {
+    let name = match Ident::parse(&name) {
         Ok(n) => n,
         Err(reason) => {
             return (StatusCode::BAD_REQUEST, format!("bad agent name: {reason}")).into_response();