diff --git a/controller/cuda_grid_controller/layouts.py b/controller/cuda_grid_controller/layouts.py
index 7d2d52a..83d7440 100644
--- a/controller/cuda_grid_controller/layouts.py
+++ b/controller/cuda_grid_controller/layouts.py
@@ -17,4 +17,5 @@ PREDEFINED_LAYOUTS: list[str] = [
     "nine_grid",
     "sixteen_grid",
     "panoramic",
+    "main_with_strip",   # Phase 8: main 16:9 + 3 preview + bottom strip (cell 4)
 ]