Summary

• Add a Notification & Reminder center with inbox, reminder management, and notification preferences.
• Display a global unread notification badge with periodic polling and focus-based refresh.
• Support notification filtering, pagination, read/unread actions, mark-all-as-read, deletion, and source navigation.
• Add reminder creation, editing, recurring schedules, pause/resume, and deletion.
• Add notification channel and financial alert preferences.
• Localize system-generated notification titles and messages in Vietnamese and English.
• Preserve user-authored reminder content and future AI-generated notification content.
• Restore correct back navigation when opening details from the notification center.
• Add responsive Claymorphism loading, error, empty, confirmation, and skeleton states.
• Update routing, home navigation, document titles, localization resources, and project memory.