CREATE TABLE IF NOT EXISTS lead_capture_links (
    id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    user_id INT UNSIGNED NOT NULL,
    token VARCHAR(64) NOT NULL UNIQUE,
    label VARCHAR(150) NULL,
    business_type VARCHAR(100) NULL,
    is_active TINYINT(1) NOT NULL DEFAULT 1,
    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    expires_at DATETIME NULL,
    CONSTRAINT fk_capture_links_user FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE,
    INDEX idx_capture_links_user (user_id),
    INDEX idx_capture_links_active (is_active)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;