CREATE TABLE IF NOT EXISTS configuracion_global (
    id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    clave VARCHAR(120) NOT NULL,
    valor TEXT NULL,
    created_at DATETIME NULL,
    updated_at DATETIME NULL,
    UNIQUE KEY uk_configuracion_global_clave (clave)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
