feat(landing): add HubSpot tracking script for hosted marketing site

apps/sim/app/(landing)/hubspot-page-view-tracker.tsx

@@ -0,0 +1,38 @@
+'use client'
+
+import { useEffect } from 'react'
+import { usePathname, useSearchParams } from 'next/navigation'
+
+declare global {
+  interface Window {
+    _hsq?: unknown[][]
+  }
+}
+
+// next/script dedupes by id and never reloads on remount, so this must be
+// module-scope (not a ref) to survive LandingLayout unmounting/remounting.
+let hasTrackedInitialPageView = false
+
+/**
+ * The HubSpot loader only auto-tracks the first page load; LandingLayout
+ * persists across client-side navigations, so HubSpot never sees the rest.
+ * Pushes a manual pageview through `_hsq` on every navigation after the first.
+ */
+export function HubspotPageViewTracker() {
+  const pathname = usePathname()
+  const searchParams = useSearchParams()
+  const query = searchParams.toString()
+
+  useEffect(() => {
+    if (!hasTrackedInitialPageView) {
+      hasTrackedInitialPageView = true
+      return
+    }
+
+    window._hsq = window._hsq || []
+    window._hsq.push(['setPath', query ? `${pathname}?${query}` : pathname])
+    window._hsq.push(['trackPageView'])
+  }, [pathname, query])
+
+  return null
+}

apps/sim/app/(landing)/layout.tsx

@@ -1,7 +1,13 @@
 import type { ReactNode } from 'react'
+import { Suspense } from 'react'
 import type { Metadata } from 'next'
+import Script from 'next/script'
+import { isHosted } from '@/lib/core/config/env-flags'
 import { SITE_URL } from '@/lib/core/utils/urls'
 import { LandingShell } from '@/app/(landing)/components'
+import { HubspotPageViewTracker } from '@/app/(landing)/hubspot-page-view-tracker'
+
+const HUBSPOT_SCRIPT_SRC = 'https://js-na2.hs-scripts.com/246720681.js' as const
 
 /**
  * Route-group layout for the entire landing family - the home page, platform and
@@ -24,5 +30,18 @@ export const metadata: Metadata = {
 }
 
 export default function LandingLayout({ children }: { children: ReactNode }) {
-  return <LandingShell>{children}</LandingShell>
+  return (
+    <LandingShell>
+      {children}
+      {/* HubSpot tracking — hosted only */}
+      {isHosted && (
+        <>
+          <Script id='hs-script-loader' src={HUBSPOT_SCRIPT_SRC} strategy='afterInteractive' />
+          <Suspense fallback={null}>
+            <HubspotPageViewTracker />
+          </Suspense>
+        </>
+      )}
+    </LandingShell>
+  )
 }