CREATE TABLE IF NOT EXISTS maintenance_job_line_items (
    id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    maintenance_job_id BIGINT UNSIGNED NOT NULL,
    item_description VARCHAR(255) NOT NULL,
    estimated_cost DECIMAL(14,2) NOT NULL DEFAULT 0.00,
    sort_order INT NOT NULL DEFAULT 0,
    created_at TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    INDEX idx_maintenance_job_line_items_job (maintenance_job_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS workshop_quote_line_items (
    id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    quote_id BIGINT UNSIGNED NOT NULL,
    maintenance_line_item_id BIGINT UNSIGNED NULL,
    item_description VARCHAR(255) NOT NULL,
    quoted_cost DECIMAL(14,2) NOT NULL DEFAULT 0.00,
    sort_order INT NOT NULL DEFAULT 0,
    created_at TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    INDEX idx_workshop_quote_line_items_quote (quote_id),
    INDEX idx_workshop_quote_line_items_source (maintenance_line_item_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;