fix(digital-print): khong bu hao in nhanh, chuan hoa binh bai A4/A5/A6/Namecard va phoi giay INTC

feat: cap nhat bang gia in nhanh kem giay INTC va in gia cong Konica C12000

feat(papers): update T9.26 price list, remove price/kg, add supplier filter and smart search modal

fix(imposition): correct imposition calculation, dual-tab print and paper cutting diagrams

feat(offset): update offset pricing: under 3000 impressions includes plates (65x86: 1.2M with 86 gripper, under 65x43: 900k)

fix(engine): sanitize calculate API inputs and safeguard selectedFinishing loops

feat: PrintCal - Smart offset and digital print pricing calculator with ERP management