apply_commit handles first-time spawns, request_spawn deprecated

hive-c0re/src/manager_server.rs

@@ -561,10 +561,13 @@ async fn submit_apply_commit(
         );
     }
     if !applied_dir.join(".git").exists() {
-        anyhow::bail!(
-            "applied repo at {} is uninitialised — spawn the agent first",
-            applied_dir.display()
-        );
+        // First deploy: seed the applied repo from proposed so we can plant
+        // the proposal/<id> tag below. The applied repo starts at the
+        // template commit (deployed/0); run_apply_commit will fast-forward
+        // main to the manager's commit on approval and create the container.
+        lifecycle::setup_applied(&applied_dir, Some(&proposed_dir), agent)
+            .await
+            .context("seed applied repo for first spawn")?;
     }
     let id = coord
         .approvals