feat: 新增数据库

prisma/migrations/20260425190000_add_image_generation_history/migration.sql

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+-- CreateTable
+CREATE TABLE `users` (
+  `id` INT NOT NULL,
+  `username` VARCHAR(191) NOT NULL DEFAULT '',
+  `display_name` VARCHAR(191) NOT NULL DEFAULT '',
+  `group` VARCHAR(191) NOT NULL DEFAULT '',
+  `role` INT NOT NULL DEFAULT 0,
+  `status` INT NOT NULL DEFAULT 0,
+  `created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+  `updated_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
+  PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- CreateTable
+CREATE TABLE `image_generations` (
+  `id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
+  `user_id` INT NOT NULL,
+  `prompt` TEXT NOT NULL,
+  `status` ENUM('QUEUED', 'RUNNING', 'SUCCEEDED', 'FAILED') NOT NULL DEFAULT 'RUNNING',
+  `model` VARCHAR(64) NOT NULL DEFAULT 'gpt-image-2',
+  `size` VARCHAR(32) NOT NULL DEFAULT '1024x1024',
+  `started_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+  `ended_at` DATETIME(3) NULL,
+  `duration_ms` INT NULL,
+  `image_url` VARCHAR(2048) NULL,
+  `image_base64` LONGTEXT NULL,
+  `image_mime_type` VARCHAR(191) NULL,
+  `revised_prompt` TEXT NULL,
+  `upstream_response` JSON NULL,
+  `error_message` TEXT NULL,
+  `created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+  `updated_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
+  `deleted_at` DATETIME(3) NULL,
+  PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- CreateTable
+CREATE TABLE `generation_stats` (
+  `id` VARCHAR(32) NOT NULL,
+  `total_requests` INT NOT NULL DEFAULT 0,
+  `success_requests` INT NOT NULL DEFAULT 0,
+  `failed_requests` INT NOT NULL DEFAULT 0,
+  `queued_requests` INT NOT NULL DEFAULT 0,
+  `running_requests` INT NOT NULL DEFAULT 0,
+  `total_images` INT NOT NULL DEFAULT 0,
+  `created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+  `updated_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
+  PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- CreateIndex
+CREATE INDEX `image_generations_user_id_created_at_idx` ON `image_generations`(`user_id`, `created_at`);
+
+-- CreateIndex
+CREATE INDEX `image_generations_status_idx` ON `image_generations`(`status`);
+
+-- CreateIndex
+CREATE INDEX `image_generations_deleted_at_idx` ON `image_generations`(`deleted_at`);
+
+-- AddForeignKey
+ALTER TABLE `image_generations`
+  ADD CONSTRAINT `image_generations_user_id_fkey`
+  FOREIGN KEY (`user_id`) REFERENCES `users`(`id`)
+  ON DELETE CASCADE ON UPDATE CASCADE;

prisma/migrations/migration_lock.toml

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+# Please do not edit this file manually
+# It should be added in your version-control system (e.g., Git)
+provider = "mysql"