50e9e70935
- Add GET /api/invoices/:id/stripe-details endpoint to fetch card last4 and payment status from Stripe - Add getPaymentIntentDetails() to payment service - Fix stats summary query to filter by startOfMonth - Add cardLast4, paymentStatus, stripeRefundId transient fields to Invoice type - Display Stripe details (card last4, payment status, refund status) in modal - Add stripeRefundId and paymentFailureReason to Invoice schema (was missing in dev types) Ref: GRO-609 Co-Authored-By: Paperclip <noreply@paperclip.ing>