12th_fix error

create_tables.py

@@ -127,6 +127,31 @@ def create_tables():
             FOREIGN KEY (user_id) REFERENCES dt_users(id) ON DELETE SET NULL,
             FOREIGN KEY (job_id) REFERENCES dt_translation_jobs(id) ON DELETE SET NULL
         ) ENGINE=InnoDB CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+        ''',
+        
+        'dt_notifications': '''
+        CREATE TABLE IF NOT EXISTS dt_notifications (
+            id INT PRIMARY KEY AUTO_INCREMENT,
+            notification_uuid VARCHAR(36) NOT NULL UNIQUE COMMENT '通知唯一識別碼',
+            user_id INT NOT NULL COMMENT '使用者ID',
+            type VARCHAR(20) NOT NULL DEFAULT 'info' COMMENT '通知類型',
+            title VARCHAR(255) NOT NULL COMMENT '通知標題',
+            message TEXT NOT NULL COMMENT '通知內容',
+            job_uuid VARCHAR(36) NULL COMMENT '關聯任務UUID',
+            link VARCHAR(500) NULL COMMENT '相關連結',
+            is_read BOOLEAN DEFAULT FALSE NOT NULL COMMENT '是否已讀',
+            read_at TIMESTAMP NULL COMMENT '閱讀時間',
+            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL COMMENT '建立時間',
+            expires_at TIMESTAMP NULL COMMENT '過期時間',
+            extra_data JSON NULL COMMENT '額外數據',
+            INDEX idx_notification_uuid (notification_uuid),
+            INDEX idx_user_id (user_id),
+            INDEX idx_job_uuid (job_uuid),
+            INDEX idx_is_read (is_read),
+            INDEX idx_created_at (created_at),
+            FOREIGN KEY (user_id) REFERENCES dt_users(id) ON DELETE CASCADE,
+            FOREIGN KEY (job_uuid) REFERENCES dt_translation_jobs(job_uuid) ON DELETE SET NULL
+        ) ENGINE=InnoDB CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
         '''
     }