- Add database migration 0024 with indexes on invoices, invoice_line_items, and invoice_tip_splits
- Update Drizzle schema with index definitions for sync
- Add pagination (limit/offset) to GET /api/invoices with max 200 limit
- Add LEFT JOIN to include clientName in invoice list response
- Return { data: [...], total: N } response shape for pagination
Co-Authored-By: Paperclip <noreply@paperclip.ing>