InhaNotice/inha_notice_spring-boot

AI Summary: This issue outlines the development of a robust, JWT-based user authentication system to enable user identification, access control, and secure API interactions. It will implement user registration, login, and logout functionalities, supporting multi-device sessions with Access and Refresh tokens, secure password hashing (BCrypt+Pepper), and Redis caching for performance. The scope focuses on local email/password authentication, explicitly excluding social logins, email verification, and password reset features.