[Build] docs: update CHANGELOG with Phase 7 completion

# Merekam Jejak Perjalanan: Saatnya "Phase 7" Mendarat dengan Selamat! --- ### Raw Commit Data ## GitHub Update **Repository:** [MKWcorp/POS-DRW-Skincare](https://github.com/MKWcorp/POS-DRW-Skincare) **Author:** multimediadrw **Date:** 4/29/2026, 9:54:42 PM **Commit:** [`e481943`](https://github.com/MKWcorp/POS-DRW-Skincare/commit/e4819432a7fabb6cc2a22611bd469395ca51ea9c) ### Commit Message docs: update CHANGELOG with Phase 7 completion --- _This story was imported from historical commits._