Function updateImage

frontend/src/stores/generator.ts:329–342

* 更新指定图片的URL * @param index 页面索引 * @param newUrl 新的图片URL

(index: number, newUrl: string)

     * @param newUrl 新的图片URL
     */
    updateImage(index: number, newUrl: string) {
      const image = this.images.find(img => img.index === index)
      if (image) {
        const wasDone = image.status === 'done'
        // 添加时间戳避免缓存
        const timestamp = Date.now()
        image.url = `${newUrl}?t=${timestamp}`
        image.status = 'done'
        delete image.error
        if (!wasDone && this.progress.current < this.progress.total) {
          this.progress.current++
        }
      }
    },

    /**
     * 完成图片生成流程