hive-c0re: let request_init_config spawn a brand-new sub-agent under its requester

hive-c0re/src/dashboard.rs

@@ -1370,7 +1370,7 @@ async fn api_audit_log(State(state): State<AppState>) -> Response {
 /// on reject — caller wraps the reason in a 400 response. Conservative
 /// whitelist matching `nixos-container` basename rules and the existing
 /// agent-name convention across the codebase.
-fn validate_agent_name(name: &str) -> Option<&'static str> {
+pub(crate) fn validate_agent_name(name: &str) -> Option<&'static str> {
     if name.is_empty() {
         return Some("agent name must not be empty");
     }