Show icon-only Code return above sidebar branding

src/components/layout/Sidebar.tsx

@@ -415,12 +415,8 @@ export function Sidebar({
         )}
       >
         <div className="min-w-0 w-full">
-          {workspaceLayout && <button type="button" aria-label="返回首页" title="返回首页" onClick={() => navigate('/module-select')} className="classroom-brand flex w-full items-center gap-2 rounded-lg text-left">
-            <span className="classroom-brand-mark"><img src={classroomMark} alt="" className="h-7 w-7" /></span>
-            <span className="min-w-0"><span className="block text-base font-semibold tracking-tight">麦洛</span><span className="classroom-brand-caption">把脑洞变成作品</span></span>
-          </button>}
           {workspaceLayout && <div className="no-drag flex h-10 min-w-0 items-center gap-1" data-testid="classroom-sidebar-navigation">
-            <ModuleSwitcher sidebarCollapsed={sidebarCollapsed} toolbar />
+            <ModuleSwitcher sidebarCollapsed={sidebarCollapsed} toolbar iconOnly />
             {!sidebarPinnedCollapsed && ['darwin', 'win32'].includes(window.electron?.platform ?? '') && <button
               type="button"
               data-testid="titlebar-sidebar-toggle"
@@ -431,6 +427,10 @@ export function Sidebar({
               className="no-drag motion-press flex h-8 w-8 shrink-0 items-center justify-center rounded-md text-muted-foreground hover:bg-surface-subtle hover:text-foreground"
             ><PanelLeftClose className="h-4 w-4" /></button>}
           </div>}
+          {workspaceLayout && <button type="button" aria-label="返回首页" title="返回首页" onClick={() => navigate('/module-select')} className="classroom-brand flex w-full items-center gap-2 rounded-lg text-left">
+            <span className="classroom-brand-mark"><img src={classroomMark} alt="" className="h-7 w-7" /></span>
+            <span className="min-w-0"><span className="block text-base font-semibold tracking-tight">麦洛</span><span className="classroom-brand-caption">把脑洞变成作品</span></span>
+          </button>}
           {workspaceLayout && <CommunityLink variant="sidebar" collapsed={sidebarCollapsed} />}
           {!workspaceLayout && <ModuleSwitcher sidebarCollapsed={sidebarCollapsed} compact={!sidebarCollapsed} />}
         </div>