CREATE TABLE IF NOT EXISTS crefaz_profiles (
    id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    lead_id INT UNSIGNED NOT NULL UNIQUE,
    payload JSON NULL,
    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME NULL DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP,
    CONSTRAINT fk_crefaz_profiles_lead FOREIGN KEY (lead_id) REFERENCES leads (id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;