Method deserialize

src/models/types.rs:1505–1517

(buf: &[u8])

    }

    fn deserialize(buf: &[u8]) -> Result<Self, String> {
        if buf.len() < 32 {
            return Err("Input must be at least 32 bytes".to_string());
        }
        let mut password_hash = [0u8; 32];
        password_hash.copy_from_slice(&buf[..32]);
        let username_bytes = buf[32..].to_vec();
        let username = String::from_utf8(username_bytes).map_err(|err| err.to_string())?;
        Ok(Self {
            username,
            password_hash: DoubleSHA256Hash(password_hash),
        })
    }
}

pub struct SessionDetails {