[Build] chore(sync): simplify backup & sync UX copy

# Menyulap 'Backup & Sinkronisasi' Jadi Lebih Ramah Pengguna di POS DRW Sk --- ### Raw Commit Data ## GitHub Update **Repository:** [MKWcorp/POS-DRW-Skincare](https://github.com/MKWcorp/POS-DRW-Skincare) **Author:** MKWcorp **Date:** 5/10/2026, 8:00:44 AM **Commit:** [`cc4b8b1`](https://github.com/MKWcorp/POS-DRW-Skincare/commit/cc4b8b1b1bc42daace316aec85264e2eb0db5f06) ### Commit Message chore(sync): simplify backup & sync UX copy - simplify Backup & Sinkronisasi page text to user-friendly Indonesian - keep existing sync actions and button wiring unchanged - fix multiple-store member count placeholder ({0} -> {}) - update AGENTS.md recent changes --- _This story was imported from historical commits._