feat(kotlin-compose): design system + 33 components + gallery_kt + e2e android emulator + scaffolder fixes

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

cpp/apps/primitives_gallery/main.cpp

@@ -132,10 +132,8 @@ static void draw_sidebar() {
 
 static void render() {
     // Theme y gl_loader gestionados por fn::run_app (theme=FnDark por defecto,
-    // init_gl_loader=true en AppConfig).
-
-    // MainMenuBar (solo Settings — la gallery no tiene paneles toggleables ni layouts)
-    fn_ui::app_menubar(nullptr, 0, nullptr);
+    // init_gl_loader=true en AppConfig). Menubar via run_app.
+    // auto_dockspace=false porque usamos fullscreen_window que ocupa todo.
 
     fullscreen_window_begin("##gallery");
 
@@ -224,7 +222,9 @@ int main(int argc, char** argv) {
          .about          = {.name        = "Primitives Gallery",
                             .version     = "0.4.0",
                             .description = "Visual catalog of fn_registry C++ UI primitives. Now on OpenGL 4.3 core (compute, SSBOs, image load/store) — ver demo gl_info."},
-         .init_gl_loader = true},
+         .init_gl_loader = true,
+         .auto_dockspace = false,
+         .log            = {"primitives_gallery.log", 1}},
         render
     );
 }