Introduce t_employee linked to RBAC users, switch employee numbers to IDE001+, and keep invite bind/newcomer coupon backend changes. Drop retired sql/migrate and seed scripts in favor of db.sql.
Co-authored-by: Cursor <cursoragent@cursor.com>
Support multi cargo-type and warehouse combinations in price check billing. Auto-generate customer codes (W+yyMM+seq) on create/register; require email. Use order DownstreamSupplierCode as track UpsertSmallBag apiCode.
Co-authored-by: Cursor <cursoragent@cursor.com>
