更新日志

• 2025-12-23：pause button
• 2025-12-10：EN n JP language
• 2025-12-09：Refactored by claude code
• 2025-11-20：UI improvement by gemini 3
• 2025-09-11：Dark mode n UI improvements
• 2025-08-28：User login & sync with cloud
• 2025-08-28：Core functions