diff --git a/NucleicRemote/NucleicRemote/Views/SessionDetailView.swift b/NucleicRemote/NucleicRemote/Views/SessionDetailView.swift
index c7ba332..0b95763 100644
--- a/NucleicRemote/NucleicRemote/Views/SessionDetailView.swift
+++ b/NucleicRemote/NucleicRemote/Views/SessionDetailView.swift
@@ -105,7 +105,10 @@ struct SessionDetailView: View {
                        // No explicit model yet → use the session backend's default, so the menu
                        // shows that backend's effort range rather than collapsing to one level.
                        modelSKU: summary.model ?? store.modelCatalog.models(for: summary.backend).first?.sku,
-                       controlled: controlled)
+                       controlled: controlled,
+                       // Orchestra is a one-way latch for an existing chat — the host won't turn it
+                       // off, so disable the other levels here to match.
+                       lockWhenOrchestra: true)
             Spacer(minLength: 4)
             if let percent = contextPercent {
                 Label("\(percent)%", systemImage: "gauge.with.dots.needle.33percent")