type ask to target as Ident (#2621)

hive-core-agent-sock/src/lib.rs

@@ -11,6 +11,7 @@ use hive_sh4re::{
     CancelLooseEndKind, ContainerInfo, DeliveredMessage, InboxRow, JournalPriority, LooseEnd,
     MatrixIdentity, ReminderStats, ReminderTiming, SchedulePromptPayload, WireSchedule,
 };
+use hive_types::Ident;
 use serde::{Deserialize, Serialize};
 
 /// serde `default` helper for `Response::AgentMeta::running` (absent = true).
@@ -73,7 +74,7 @@ pub enum Request {
         #[serde(default)]
         ttl_seconds: Option<u64>,
         #[serde(default)]
-        to: Option<String>,
+        to: Option<Ident>,
     },
     /// Answer a question previously routed to this agent via
     /// `HelperEvent::QuestionAsked`. Authorised callers + threading