IMPORTANT: this release addresses a critical CVE from React: CVE-2025-55182

Features

🎉 Feature - Add week start preference setting (0=Sunday, 1=Monday) with UI controls in appearance settings
🎉 Feature - Implement new week-month-picker component with customizable week start support
🎉 Feature - Add week days display preference setting
🎉 Feature - Cancellable quick add parsed patterns (click to cancel / reapply)

Patch Changes

🐛 Bug - Bump nextjs version to address security CVE-2025-55182
🐛 Bug - Fix #215