diff --git a/core/archipelago/src/api/rpc/package/stacks.rs b/core/archipelago/src/api/rpc/package/stacks.rs
index 7899edf8..3fa5f3ee 100644
--- a/core/archipelago/src/api/rpc/package/stacks.rs
+++ b/core/archipelago/src/api/rpc/package/stacks.rs
@@ -621,8 +621,33 @@ async fn install_stack_via_orchestrator(
     ))
     .await;
 
+    // Phase: PullingImage — each member's orchestrator.install covers its
+    // whole pipeline (pull + create + start + health wait), and on a fresh
+    // node the pull dominates wall-clock. The X-of-N counter below is what
+    // the UI interpolates across the PullingImage band (20→70%); without
+    // these updates an orchestrator-installed stack sat at "Preparing… 5%"
+    // for the entire multi-gigabyte pull (indeedhub: 7 images).
+    let total = app_ids.len() as u64;
+    handler
+        .set_install_phase(stack_name, InstallPhase::PullingImage)
+        .await;
+
     let mut installed = 0usize;
-    for app_id in app_ids {
+    for (idx, app_id) in app_ids.iter().enumerate() {
+        handler
+            .set_install_progress(stack_name, idx as u64, total)
+            .await;
+        // Message after progress: set_install_progress resets the label,
+        // set_install_message preserves the phase + counters just written.
+        let component = app_id
+            .strip_prefix(&format!("{stack_name}-"))
+            .unwrap_or(app_id);
+        handler
+            .set_install_message(
+                stack_name,
+                &format!("Installing {} ({} of {})…", component, idx + 1, total),
+            )
+            .await;
         match orchestrator.install(app_id).await {
             Ok(container_name) => {
                 installed += 1;
@@ -672,6 +697,20 @@ async fn install_stack_via_orchestrator(
         }
     }
 
+    // Truthful end-of-install signal, mirroring the legacy stack installers:
+    // the real readiness gate is the scanner's next sweep, this just settles
+    // the bar at 95→100→done instead of leaving it mid-band.
+    handler
+        .set_install_progress(stack_name, total, total)
+        .await;
+    handler
+        .set_install_phase(stack_name, InstallPhase::PostInstall)
+        .await;
+    handler
+        .set_install_phase(stack_name, InstallPhase::Done)
+        .await;
+    handler.clear_install_progress(stack_name).await;
+
     install_log(&format!("INSTALL ORCH OK: {} stack", stack_name)).await;
     Ok(Some(serde_json::json!({
         "success": true,