perf(media): 生产媒体直传阿里云 OSS
生产同构验收确认 server_main_openapi 上传通道在媒体高并发下产生 381 个 502,并将已创建任务的 p95 拉高到 172 秒。\n\n为 request_asset 与 image_result 增加环境配置控制的阿里云 OSS 直传,保留普通上传原通道;使用 Kubernetes Secret 注入凭据,并对签名、重试、场景隔离和生产配置校验增加测试。\n\n验证:Go 全量测试、go vet、OpenAPI、迁移安全检查、Kustomize/Compose 渲染、gofmt 与 git diff --check 均通过;真实 OSS PUT/CDN 读取探针通过且对象已清理。
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@@ -45,6 +45,7 @@ type Service struct {
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admissionListener sync.Once
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asyncClientFactory func(int) (asyncExecutionClient, error)
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mediaResultSlots chan struct{}
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directOSS *directOSSUploader
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billingMetrics billingMetricsObserver
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}
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@@ -154,6 +155,7 @@ func New(cfg config.Config, db *store.Store, logger *slog.Logger, observers ...b
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asyncAdmissionWake: make(chan struct{}, 1),
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admissionTaskWaiters: map[string]*admissionTaskWaiter{},
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mediaResultSlots: make(chan struct{}, cfg.MediaMaterializationConcurrency),
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directOSS: newDirectOSSUploader(cfg),
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}
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if len(observers) > 0 {
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service.billingMetrics = observers[0]
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