feat(billing): integrate Stripe for subscription management and billing access

- Added billing-related fields to the User model in the database.
- Implemented functions for managing billing access, including trial periods and subscription statuses.
- Created new billing utility functions for Stripe integration.
- Updated onboarding page to include billing overview and workspace creation eligibility.
- Enhanced route access checks to require billing access for certain actions.
- Implemented cleanup scripts for expired billing workspaces and associated media.
- Updated header component to conditionally show app navigation based on billing access.
- Added new migrations for billing-related database changes.

app/(dashboard)/settings/page.tsx

@@ -1,7 +1,21 @@
-import { requireAuthOrRedirect } from '@/lib/route-access';
+import { hasCollaboratorBillingBackedAccess, requireAuthOrRedirect } from '@/lib/route-access';
+import { getBillingOverview } from '@/lib/billing';
 import SettingsPageClient from './settings-page-client';
 
 export default async function SettingsPage() {
-  await requireAuthOrRedirect();
-  return <SettingsPageClient />;
+  const session = await requireAuthOrRedirect();
+  if (!session?.user?.id) {
+    return null;
+  }
+
+  const [billing, hasCollaboratorAccess] = await Promise.all([
+    getBillingOverview(session.user.id),
+    hasCollaboratorBillingBackedAccess(session.user.id),
+  ]);
+
+  return (
+    <SettingsPageClient
+      billingOnly={!billing.subscription.hasBillingAccess && !hasCollaboratorAccess}
+    />
+  );
 }