refactor(#2302): type socket wire fields as ident, validated by serde on deserialize

hive-c0re/src/forge/repos.rs

@@ -422,7 +422,7 @@ pub async fn ensure_meta_remote(name: &str) -> Result<()> {
     }
     // A malformed name has no proposed config repo (repos are only created
     // under a validated Ident), so there's nothing to wire — no-op.
-    let Ok(agent) = hive_host_sock::Ident::parse(name) else {
+    let Ok(agent) = hive_types::Ident::parse(name) else {
         return Ok(());
     };
     let proposed_dir = Coordinator::agent_proposed_dir(&agent);