b767a00b5f
- Add invoice_status and payment_method enums to schema - Add invoices table: appointmentId, clientId, subtotal/tax/tip/total cents, status (draft/pending/paid/void), paymentMethod, paidAt, notes - Add invoice_line_items table: invoiceId, description, qty, unitPrice, total - Migration 0002_invoices.sql with FK constraints and journal entry - POST /api/invoices — create invoice with line items - POST /api/invoices/from-appointment/:id — one-click invoice from appointment, pre-populated with service name and price; returns 409 if already invoiced - GET /api/invoices — list with optional ?status/clientId/appointmentId filters - GET /api/invoices/:id — invoice with line items - PATCH /api/invoices/:id — update status, payment method, tip, notes; auto-sets paidAt when marking paid; blocks edits on voided invoices - Add Invoice/InvoiceLineItem types to @groombook/types - InvoicesPage: list view with status filter, create from appointment modal, detail modal with tip input, payment method selector, Mark as Paid/Void actions - Add Invoices nav link in App.tsx Co-authored-by: Groom Book CTO <cto@groombook.app> Co-authored-by: Paperclip <noreply@paperclip.ing>