diff --git a/apps/ai-game-creator-shell/tests/appSurface/plan-gdd.suite.ts b/apps/ai-game-creator-shell/tests/appSurface/plan-gdd.suite.ts
index a26c135a9..e87da4da5 100644
--- a/apps/ai-game-creator-shell/tests/appSurface/plan-gdd.suite.ts
+++ b/apps/ai-game-creator-shell/tests/appSurface/plan-gdd.suite.ts
@@ -26,6 +26,7 @@ function mountFormalSupervisor(
     React.createElement(App, {
       initialProjectPath: harness.projectPath,
       orchestrationMode: 'single-supervisor',
+      planningStartMode: true,
       projectSupervisorOnly: true,
     }),
   );