Refactor form factor check to reactive useIsCompactFormFactor

packages/app/src/components/headers/menu-header.tsx

@@ -5,7 +5,7 @@ import { PanelLeft } from "lucide-react-native";
 import { ScreenHeader } from "./screen-header";
 import { HeaderToggleButton } from "./header-toggle-button";
 import { usePanelStore } from "@/stores/panel-store";
-import { isCompactFormFactor } from "@/constants/layout";
+import { useIsCompactFormFactor } from "@/constants/layout";
 import { getShortcutOs } from "@/utils/shortcut-platform";
 
 interface MenuHeaderProps {
@@ -44,7 +44,7 @@ export function SidebarMenuToggle({
   nativeID = "menu-button",
 }: SidebarMenuToggleProps = {}) {
   const { theme } = useUnistyles();
-  const isMobile = isCompactFormFactor();
+  const isMobile = useIsCompactFormFactor();
   const mobileView = usePanelStore((state) => state.mobileView);
   const desktopAgentListOpen = usePanelStore((state) => state.desktop.agentListOpen);
   const toggleAgentList = usePanelStore((state) => state.toggleAgentList);

packages/app/src/components/headers/screen-header.tsx

@@ -6,7 +6,7 @@ import {
   HEADER_INNER_HEIGHT,
   HEADER_INNER_HEIGHT_MOBILE,
   HEADER_TOP_PADDING_MOBILE,
-  isCompactFormFactor,
+  useIsCompactFormFactor,
 } from "@/constants/layout";
 import { useWindowControlsPadding } from "@/utils/desktop-window";
 import { TitlebarDragRegion } from "@/components/desktop/titlebar-drag-region";
@@ -26,7 +26,7 @@ interface ScreenHeaderProps {
 export function ScreenHeader({ left, right, leftStyle, rightStyle, borderless }: ScreenHeaderProps) {
   const { theme } = useUnistyles();
   const insets = useSafeAreaInsets();
-  const isMobile = isCompactFormFactor();
+  const isMobile = useIsCompactFormFactor();
   const padding = useWindowControlsPadding("header");
   // Only add extra padding on mobile for better touch targets; on desktop, only use safe area insets
   const topPadding = isMobile ? HEADER_TOP_PADDING_MOBILE : 0;