chore(layout): disable SidebarNav 66px rail rendering; component preserved for later entry-point redistribution

src/app/pages/Router.tsx

@@ -65,10 +65,9 @@ import { setAfterLoginRedirectPath } from './afterLoginRedirectPath';
 import { Room } from '../features/room';
 import { Lobby } from '../features/lobby';
 import { WelcomePage } from './client/WelcomePage';
-import { SidebarNav } from './client/SidebarNav';
 import { PageRoot } from '../components/page';
 import { ScreenSize } from '../hooks/useScreenSize';
-import { MobileFriendlyPageNav, MobileFriendlyClientNav } from './MobileFriendly';
+import { MobileFriendlyPageNav } from './MobileFriendly';
 import { ClientInitStorageAtom } from './client/ClientInitStorageAtom';
 import { ClientNonUIFeatures } from './client/ClientNonUIFeatures';
 import { AuthRouteThemeManager, UnAuthRouteThemeManager } from './ThemeManager';
@@ -179,13 +178,13 @@ export const createRouter = (clientConfig: ClientConfig, screenSize: ScreenSize)
                     <ClientNonUIFeatures>
                       <CallEmbedProvider>
                         <HorseshoeContainer>
-                          <ClientLayout
-                            nav={
-                              <MobileFriendlyClientNav>
-                                <SidebarNav />
-                              </MobileFriendlyClientNav>
-                            }
-                          >
+                          {/* SidebarNav (66px icon-rail) временно отключён —
+                              позже растащим его 5 кнопок (Settings, Search,
+                              Explore, Create, Unverified) по новым поверхностям
+                              интерфейса. Сам компонент жив:
+                              src/app/pages/client/SidebarNav.tsx + ./sidebar/*.
+                              См. docs/plans/redesign_overview.md → sidebar_cleanup. */}
+                          <ClientLayout nav={null}>
                             <Outlet />
                           </ClientLayout>
                         </HorseshoeContainer>