feat(settings): unlock hidden experimental group via Option-click on the Experimental page title

Replaces the Shift-click-sidebar unlock with the Updates-header idiom:
Option-click the Experimental page title toggles the hidden group.
Removes the now-unused click-modifier plumbing from the settings sidebar.

src/renderer/src/components/settings/ExperimentalPane.tsx

@@ -25,7 +25,7 @@ type ExperimentalPaneProps = {
   settings: GlobalSettings
   updateSettings: (updates: Partial<GlobalSettings>) => void
   /** Hidden-experimental group is only rendered once the user has unlocked
-   *  it via Shift-clicking the Experimental sidebar entry. */
+   *  it via Option-clicking the Experimental page title. */
   hiddenExperimentalUnlocked?: boolean
 }
 

src/renderer/src/components/settings/Settings.tsx

@@ -389,7 +389,7 @@ function Settings(): React.JSX.Element {
   const [hasUnsavedBranchPromptChanges, setHasUnsavedBranchPromptChanges] = useState(false)
   const [sourceControlAiPromptDiscardSignal, setSourceControlAiPromptDiscardSignal] = useState(0)
   const confirm = useConfirmationDialog()
-  // Why: session-only (deliberately not persisted) unlock — Shift-click the Experimental entry reveals the hidden group.
+  // Why: session-only (deliberately not persisted) unlock — Option-click the Experimental page title reveals the hidden group.
   const [hiddenExperimentalUnlocked, setHiddenExperimentalUnlocked] = useState(false)
   const contentScrollRef = useRef<HTMLDivElement | null>(null)
   const searchInputRef = useRef<HTMLInputElement | null>(null)
@@ -1108,17 +1108,10 @@ function Settings(): React.JSX.Element {
   ])
 
   const scrollToSection = useCallback(
-    async (
-      sectionId: string,
-      modifiers?: { metaKey: boolean; ctrlKey: boolean; shiftKey: boolean; altKey: boolean }
-    ): Promise<void> => {
+    async (sectionId: string): Promise<void> => {
       if (sectionId !== activeSectionId && !(await confirmDiscardSourceControlAiPromptChanges())) {
         return
       }
-      // Why: Shift-click the Experimental row unlocks the hidden power-user group (session-only).
-      if (sectionId === 'experimental' && modifiers?.shiftKey) {
-        setHiddenExperimentalUnlocked((previous) => !previous)
-      }
       const container = contentScrollRef.current
       if (container) {
         container.scrollTo({ top: 0 })
@@ -1844,6 +1837,13 @@ function Settings(): React.JSX.Element {
                     'New features that are still taking shape. Give them a try.'
                   )}
                   searchEntries={getSectionSearchEntries('experimental')}
+                  // Why: Option-click the page title unlocks the hidden staff group
+                  // (session-only) — same idiom as Option-click on the Updates header.
+                  onTitleClick={(event) => {
+                    if (event.altKey) {
+                      setHiddenExperimentalUnlocked((previous) => !previous)
+                    }
+                  }}
                 >
                   {isSectionMounted('experimental') ? (
                     <ExperimentalPane

src/renderer/src/components/settings/SettingsSection.tsx

@@ -31,6 +31,9 @@ type SettingsSectionProps = {
    *  section-scoped actions (e.g. "Import from Ghostty") that would otherwise
    *  crowd the settings list as their own row. */
   headerAction?: React.ReactNode
+  /** Click handler on the section title — the hook for hidden staff
+   *  affordances (Option-click reveals), mirroring the Updates header. */
+  onTitleClick?: (event: React.MouseEvent<HTMLHeadingElement>) => void
 }
 
 export function SettingsSection({
@@ -45,7 +48,8 @@ export function SettingsSection({
   badgeAccessory,
   forceVisible = false,
   isActive,
-  headerAction
+  headerAction,
+  onTitleClick
 }: SettingsSectionProps): React.JSX.Element | null {
   const query = useAppStore((state) => state.settingsSearchQuery)
   const activeFromContext = useContext(ActiveSettingsSectionContext)
@@ -66,7 +70,10 @@ export function SettingsSection({
     <section id={id} data-settings-section={id} className={cn('scroll-mt-8 space-y-6', className)}>
       <div className="flex flex-wrap items-start justify-between gap-4 border-b border-border/60 pb-5">
         <div className="min-w-0 space-y-2">
-          <h2 className="flex flex-wrap items-center gap-2 text-2xl font-semibold leading-tight text-foreground">
+          <h2
+            className="flex flex-wrap items-center gap-2 text-2xl font-semibold leading-tight text-foreground"
+            onClick={onTitleClick}
+          >
             {title}
             {badge ? (
               <span className="rounded-full bg-muted px-2 py-0.5 text-[10px] font-medium uppercase tracking-[0.05em] text-muted-foreground">

src/renderer/src/components/settings/SettingsSidebar.tsx

@@ -50,15 +50,7 @@ type SettingsSidebarProps = {
   searchInputRef?: RefObject<HTMLInputElement | null>
   searchAutoFocus?: boolean
   onBack: () => void
-  onSelectSection: (
-    sectionId: string,
-    modifiers: {
-      metaKey: boolean
-      ctrlKey: boolean
-      shiftKey: boolean
-      altKey: boolean
-    }
-  ) => void
+  onSelectSection: (sectionId: string) => void
 }
 
 function SettingsSearchField({
@@ -116,12 +108,7 @@ function isVisibleInstallStatus(
 type SettingsSetupGuideRowProps = {
   progress: SettingsSetupGuideProgress
   setupActive: boolean
-  onSelect: (modifiers: {
-    metaKey: boolean
-    ctrlKey: boolean
-    shiftKey: boolean
-    altKey: boolean
-  }) => void
+  onSelect: () => void
 }
 
 function SettingsSetupGuideNavRow({
@@ -138,14 +125,7 @@ function SettingsSetupGuideNavRow({
         'Onboarding checklist, {{value0}} of {{value1}} done. Show setup guide.',
         { value0: progress.doneCount, value1: progress.total }
       )}
-      onClick={(event) =>
-        onSelect({
-          metaKey: event.metaKey,
-          ctrlKey: event.ctrlKey,
-          shiftKey: event.shiftKey,
-          altKey: event.altKey
-        })
-      }
+      onClick={() => onSelect()}
       className={cn(
         'flex w-full items-center gap-2 rounded-lg px-2.5 py-2 text-left outline-none transition-colors focus-visible:ring-[3px] focus-visible:ring-worktree-sidebar-ring/50',
         setupActive
@@ -238,7 +218,7 @@ export function SettingsSidebar({
           <SettingsSetupGuideNavRow
             progress={setupGuideProgress}
             setupActive={setupActive}
-            onSelect={(modifiers) => onSelectSection('setup-guide', modifiers)}
+            onSelect={() => onSelectSection('setup-guide')}
           />
         </div>
       ) : null}
@@ -262,14 +242,7 @@ export function SettingsSidebar({
                         key={section.id}
                         aria-current={isActive ? 'page' : undefined}
                         data-current={isActive ? 'true' : undefined}
-                        onClick={(event) =>
-                          onSelectSection(section.id, {
-                            metaKey: event.metaKey,
-                            ctrlKey: event.ctrlKey,
-                            shiftKey: event.shiftKey,
-                            altKey: event.altKey
-                          })
-                        }
+                        onClick={() => onSelectSection(section.id)}
                         className={navItemClassName(isActive)}
                       >
                         <Icon className="size-4 shrink-0" />
@@ -305,14 +278,7 @@ export function SettingsSidebar({
                       key={section.id}
                       aria-current={isActive ? 'page' : undefined}
                       data-current={isActive ? 'true' : undefined}
-                      onClick={(event) =>
-                        onSelectSection(section.id, {
-                          metaKey: event.metaKey,
-                          ctrlKey: event.ctrlKey,
-                          shiftKey: event.shiftKey,
-                          altKey: event.altKey
-                        })
-                      }
+                      onClick={() => onSelectSection(section.id)}
                       className={navItemClassName(isActive)}
                     >
                       <RepoIconGlyph