app/api/stripe/webhook/[space]/route.ts (nodejs, force-dynamic). Raw
req.text() body; loads THIS space's secret + signing secret from the
vault; constructEvent verifies signature; idempotency via the
stripe_webhook_events PK (replay -> 200). Handles checkout.session.
completed / customer.subscription.* / invoice.paid|payment_succeeded:
upserts member_billing, records a stripe payments row, and maps status
via duesMemberStatus+graceExceeded onto space_members (only current<->
late, never resurrect inactive / auto-approve unverified; last_paid_at
on paid). Member resolved by metadata then customer-id, always
space-scoped. Bad sig/config -> 400; handler error -> 500 (Stripe
retries, idempotency-safe).
Moheeb Zara
fa76176008