-- Migration 005: Session-basierte Authentifizierung – users-Tabelle
CREATE TABLE IF NOT EXISTS users (
    id            INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    username      VARCHAR(64)  NOT NULL UNIQUE,
    password_hash VARCHAR(255) NOT NULL,
    active        TINYINT(1)   NOT NULL DEFAULT 1,
    created_at    DATETIME     NOT NULL DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;