"""Authentication helpers: password hashing, JWT encode/decode, get_user.

Receives the working implementation from the previous src/users/users.py
during the cleanup phase.
"""


def hash_password(plaintext: str) -> str:
    raise NotImplementedError


def verify_password(plaintext: str, hashed: str) -> bool:
    raise NotImplementedError


def encode_jwt(payload: dict) -> str:
    raise NotImplementedError


def decode_jwt(token: str) -> dict:
    raise NotImplementedError