spinners and fmt

kiln-tui/src/editor.rs

@@ -326,6 +326,12 @@ impl EditorState {
         let mut world = self.world.deep_clone();
         // Start the playtest on the board open in the editor, not world.start.
         world.start = self.board_name.clone();
+        // Editor-stamped machines (spinners, pushers) are plain terrain cells; expand
+        // them into their scripted objects so they actually run, just as the map loader
+        // does on disk-loaded worlds.
+        for board in world.boards.values() {
+            board.borrow_mut().expand_builtin_archetypes();
+        }
         let mut game = GameState::from_world(world);
         game.log(LogLine::raw("[esc] to return to the editor"));
         game.run_init();