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.

scripts/bunny-orphan-cleanup.ts

@@ -1,4 +1,5 @@
 import { db, disconnectDb } from '../lib/db';
+import { cleanupExpiredBillingWorkspaces } from './expired-billing-cleanup';
 
 const BUNNY_API_BASE = 'https://video.bunnycdn.com';
 const BUNNY_VIDEO_ID_PATTERN = /^[A-Za-z0-9_-]{8,128}$/;
@@ -197,6 +198,10 @@ async function main() {
   console.log(`[bunny-orphan-cleanup] Starting (${dryRun ? 'dry-run' : 'delete mode'})`);
   console.log(`[bunny-orphan-cleanup] Grace period: ${graceHours}h`);
 
+  const expiredBillingCleanup = await cleanupExpiredBillingWorkspaces({ dryRun });
+  console.log(`[bunny-orphan-cleanup] Expired owner workspaces scanned: ${expiredBillingCleanup.scanned}`);
+  console.log(`[bunny-orphan-cleanup] Expired owner workspaces deleted: ${expiredBillingCleanup.deleted}`);
+
   const { videos, scanned, skippedInvalid } = await listBunnyVideos(config);
   const eligible = videos.filter((video) => video.uploadedAt.getTime() <= cutoff);
   console.log(`[bunny-orphan-cleanup] Scanned: ${scanned}`);