-- CreateTable CREATE TABLE `conversion_jobs` ( `id` INTEGER UNSIGNED NOT NULL AUTO_INCREMENT, `uuid` CHAR(36) NOT NULL, `status` ENUM('pending', 'processing', 'done', 'failed') NOT NULL DEFAULT 'pending', `family` VARCHAR(32) NOT NULL, `source_format` VARCHAR(16) NOT NULL, `target_format` VARCHAR(16) NOT NULL, `original_filename` VARCHAR(255) NOT NULL, `input_path` VARCHAR(255) NOT NULL, `output_path` VARCHAR(255) NULL, `input_mime_type` VARCHAR(128) NOT NULL, `output_mime_type` VARCHAR(128) NULL, `input_size_bytes` INTEGER UNSIGNED NOT NULL, `output_size_bytes` INTEGER UNSIGNED NULL, `quality` SMALLINT UNSIGNED NULL, `conversion_duration_seconds` DECIMAL(10, 3) NULL, `error_message` VARCHAR(255) NULL, `error_log` TEXT NULL, `created_at` DATETIME(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0), `updated_at` DATETIME(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0), `expires_at` DATETIME(0) NOT NULL, `cleaned_at` DATETIME(0) NULL, UNIQUE INDEX `uniq_uuid`(`uuid`), INDEX `idx_status`(`status`), INDEX `idx_expires_at`(`expires_at`), PRIMARY KEY (`id`) ) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;