fix: resolve TypeScript errors in landing components

- Add explicit FeatureTab interface type for FEATURE_TABS with optional mobileLabel property
- Remove reference to undefined MOBILE_STEPS in landing-preview (mobile uses static display anyway)

Co-authored-by: Emir Karabeg <emir-karabeg@users.noreply.github.com>

Author: cursoragent

apps/sim/app/(landing)/components/features/features.tsx

@@ -14,7 +14,19 @@ function hexToRgba(hex: string, alpha: number): string {
   return `rgba(${r},${g},${b},${alpha})`
 }
 
-const FEATURE_TABS = [
+interface FeatureTab {
+  label: string
+  mobileLabel?: string
+  color: string
+  badgeColor?: string
+  title: string
+  description: string
+  cta: string
+  segments: number[][]
+  hideOnMobile?: boolean
+}
+
+const FEATURE_TABS: FeatureTab[] = [
   {
     label: 'Mothership',
     color: '#FA4EDF',

apps/sim/app/(landing)/components/landing-preview/landing-preview.tsx

@@ -140,7 +140,7 @@ export function LandingPreview() {
 
   const scheduleNextStep = useCallback(() => {
     if (!autoCycleActiveRef.current) return
-    const steps = isDesktopRef.current ? DESKTOP_STEPS : MOBILE_STEPS
+    const steps = DESKTOP_STEPS
     const currentStep = steps[demoIndexRef.current]
     demoTimerRef.current = setTimeout(() => {
       if (!autoCycleActiveRef.current) return