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

hive-c0re/src/actions.rs

@@ -314,6 +314,16 @@ async fn run_approval_init_config(
     notes_dir: std::path::PathBuf,
 ) -> Result<()> {
     let result: Result<()> = async {
+        // Place the new child under its requesting parent (carried in
+        // commit_ref by submit_init_config). An empty commit_ref means
+        // no explicit parent was named (privileged manager socket, or an
+        // approval queued before the new-child feature) — write no edge
+        // and let `topology::reconcile` assign the default position on
+        // first spawn, so this path never names a specific root agent.
+        if !approval.commit_ref.is_empty() {
+            crate::topology::add_child(&approval.agent, &approval.commit_ref)
+                .map_err(|e| anyhow::anyhow!("topology add_child: {e}"))?;
+        }
         lifecycle::setup_proposed(&proposed_dir, &approval.agent).await?;
         lifecycle::ensure_agent_state_subvolume(&approval.agent).await?;
         lifecycle::ensure_claude_dir(&claude_dir)?;