commit 7a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6e7f8a9b
Author: Alice Dev <alice@example.com>
Date:   1700000000

    Add user authentication feature

    Implement JWT-based authentication with refresh tokens.
    Passwords are hashed with bcrypt before storage.

 5 files changed, 120 insertions(+), 8 deletions(-)
