-- 扩展 materials 表：新增 material_type 和 processed_content 字段，更新 status CHECK 约束以支持处理流水线状态

CREATE TABLE `materials_new` (
	`id` text PRIMARY KEY NOT NULL,
	`project_id` text NOT NULL,
	`associated_date` text NOT NULL,
	`description` text NOT NULL,
	`material_type` text NOT NULL DEFAULT 'general' CHECK (`material_type` IN ('general', 'meeting')),
	`processed_content` text,
	`status` text NOT NULL DEFAULT 'pending' CHECK (`status` IN ('pending', 'processing', 'review', 'approved', 'discarded', 'failed')),
	`created_at` text NOT NULL,
	`updated_at` text NOT NULL,
	`deleted_at` text,
	FOREIGN KEY (`project_id`) REFERENCES `projects`(`id`) ON UPDATE no action ON DELETE no action
);
--> statement-breakpoint
INSERT INTO `materials_new` (`id`, `project_id`, `associated_date`, `description`, `material_type`, `processed_content`, `status`, `created_at`, `updated_at`, `deleted_at`)
SELECT `id`, `project_id`, `associated_date`, `description`, 'general', NULL, `status`, `created_at`, `updated_at`, `deleted_at` FROM `materials`;
--> statement-breakpoint
DROP TABLE `materials`;
--> statement-breakpoint
ALTER TABLE `materials_new` RENAME TO `materials`;
--> statement-breakpoint
CREATE INDEX `materials_project_id_idx` ON `materials` (`project_id`);