状态码

// VEO任务状态常量
const (
    VeoStatusPending = "pending"
    VeoStatusImageDownloading = "image_downloading"
    VeoStatusVideoGenerating = "video_generating"
    VeoStatusVideoGenerationCompleted = "video_generation_completed"
    VeoStatusVideoGenerationFailed = "video_generation_failed"
    VeoStatusVideoUpsampling = "video_upsampling"
    VeoStatusVideoUpsamplingCompleted = "video_upsampling_completed"
    VeoStatusVideoUpsamplingFailed = "video_upsampling_failed"
    VeoStatusCompleted = "completed"
    VeoStatusFailed = "failed"
    VeoStatusError = "error" // 错误（用于错误响应）
)