feat(home): no right sidebar beside the first-run welcome; underline the home-folder link

src/renderer/src/app-shell/use-app-chrome-layout.ts

@@ -1,7 +1,10 @@
 import { useLayoutEffect, useMemo, useRef, useState, useSyncExternalStore } from 'react'
 import { useShallow } from 'zustand/react/shallow'
 import { SYNC_FIT_PANES_EVENT } from '@/constants/terminal'
-import { canShowRightSidebarForView } from '@/components/right-sidebar/visibility/right-sidebar-visibility'
+import {
+  canShowRightSidebarForView,
+  isFirstRunWelcomeShown
+} from '@/components/right-sidebar/visibility/right-sidebar-visibility'
 import { resolveLeftSidebarStyleVariables } from '@/app-shell/appearance/left-sidebar-appearance'
 import { resolveLeftTitlebarChromeLayout } from '@/app-shell/chrome/titlebar-left-chrome'
 import { selectWorktreeCreationSurfaceShown } from '@/lib/workspace/creation/worktree-creation-surface'
@@ -63,6 +66,13 @@ export function useAppChromeLayout() {
   const creationLayoutActive = useAppStore(selectWorktreeCreationSurfaceShown)
   const workspaceChromeActive =
     activeView === 'terminal' && hasActiveWorktree && !creationLayoutActive
+  const projectCount = useAppStore((s) => s.repos.length)
+  const firstRunWelcomeShown = isFirstRunWelcomeShown({
+    activeView,
+    hasActiveWorktree,
+    creationLayoutActive,
+    projectCount
+  })
   // Activity/Space own full pages and hide the workspace sidebar.
   const showSidebar =
     activeView !== 'settings' && activeView !== 'activity' && activeView !== 'space'
@@ -124,7 +134,7 @@ export function useAppChromeLayout() {
     shouldMountTerminalWorkbench,
     showSidebar,
     // Keep the pending composer in the same viewport as the workspace it hands off to.
-    showRightSidebarControls: canShowRightSidebarForView(activeView),
+    showRightSidebarControls: canShowRightSidebarForView(activeView) && !firstRunWelcomeShown,
     showTitlebarAppName: settings?.showTitlebarAppName !== false,
     showTitlebarExpandButton: workspaceChromeActive && !hasTabBar && effectiveActiveTabExpanded,
     sidebarOpen,

src/renderer/src/components/landing-first-run-welcome.tsx

@@ -74,7 +74,7 @@ export function LandingFirstRunWelcome({
         </Button>
         <button
           type="button"
-          className="cursor-pointer text-xs text-muted-foreground underline-offset-4 transition-colors hover:text-foreground hover:underline disabled:cursor-default disabled:opacity-60"
+          className="cursor-pointer rounded-sm text-xs text-muted-foreground underline decoration-muted-foreground/50 underline-offset-4 transition-colors outline-none hover:text-foreground hover:decoration-foreground focus-visible:text-foreground focus-visible:ring-[3px] focus-visible:ring-ring/50 disabled:cursor-default disabled:opacity-60"
           onClick={() => void openHome()}
           disabled={openingHome}
         >

src/renderer/src/components/right-sidebar/visibility/right-sidebar-visibility.test.ts

@@ -0,0 +1,19 @@
+import { describe, expect, it } from 'vitest'
+import { isFirstRunWelcomeShown } from './right-sidebar-visibility'
+
+const home = {
+  activeView: 'terminal' as const,
+  hasActiveWorktree: false,
+  creationLayoutActive: false,
+  projectCount: 0
+}
+
+describe('first-run welcome hides the right sidebar', () => {
+  it('only on Home with no project, no workspace and no creation in progress', () => {
+    expect(isFirstRunWelcomeShown(home)).toBe(true)
+    expect(isFirstRunWelcomeShown({ ...home, projectCount: 1 })).toBe(false)
+    expect(isFirstRunWelcomeShown({ ...home, hasActiveWorktree: true })).toBe(false)
+    expect(isFirstRunWelcomeShown({ ...home, creationLayoutActive: true })).toBe(false)
+    expect(isFirstRunWelcomeShown({ ...home, activeView: 'tasks' })).toBe(false)
+  })
+})

src/renderer/src/components/right-sidebar/visibility/right-sidebar-visibility.ts

@@ -21,6 +21,24 @@ export function canShowRightSidebarForView(activeView: ActiveView): boolean {
   return !RIGHT_SIDEBAR_SUPPRESSED_VIEWS.has(activeView)
 }
 
+/**
+ * Home's first-run welcome (no project yet, nothing selected) has nothing to browse, so the right
+ * sidebar stays out of it; it returns as before once a project exists.
+ */
+export function isFirstRunWelcomeShown(layout: {
+  activeView: ActiveView
+  hasActiveWorktree: boolean
+  creationLayoutActive: boolean
+  projectCount: number
+}): boolean {
+  return (
+    layout.activeView === 'terminal' &&
+    !layout.hasActiveWorktree &&
+    !layout.creationLayoutActive &&
+    layout.projectCount === 0
+  )
+}
+
 /** Workspace and creation surfaces have no titlebar strip, so the closed sidebar needs its own toggle there. */
 export function showsFloatingRightSidebarToggle(layout: {
   activeView: ActiveView