[Blocker] fix: update full_snapshot_service to match current model schemas

# Merapikan Fondasi Data untuk POS yang Lebih Akurat ✨ Aku baru saja menyelesaikan satu bagian kr --- ### Raw Commit Data ## GitHub Update **Repository:** [MKWcorp/POS-DRW-Skincare](https://github.com/MKWcorp/POS-DRW-Skincare) **Author:** multimediadrw **Date:** 4/29/2026, 10:51:19 PM **Commit:** [`3c6ac4e`](https://github.com/MKWcorp/POS-DRW-Skincare/commit/3c6ac4efdd9f4c5ecc85704fb0a770466c79658b) ### Commit Message fix: update full_snapshot_service to match current model schemas - Fix authServiceProvider AsyncValue access (.future) - Update ProductModel fields: priceEndUser (not basePrice), remove sku - Update PaketModel fields: image, paketStock, priceRegular - Progress: 32 -> 22 errors remaining (PaketSlot, OrderModel) --- _This story was imported from historical commits._