fix(uploads): serve private previews through API and show batch cover status

services/api/cmd/api/main.go

@@ -187,7 +187,7 @@ func newApp(ctx context.Context, cfg config.API, pool *pgxpool.Pool, rdb *redis.
 		Wave:        wh,
 		App: appupdate.NewHandler(appupdate.Config{GiteaURL: cfg.GiteaURL, Repo: cfg.GiteaRepo, Token: cfg.GiteaToken,
 			Dir: cfg.UpdatesDir, MinSupported: cfg.MinAndroidVersionCode}, log),
-		Uploads: uploads.NewHandler(upSvc, signer, cfg.XAccel),
+		Uploads: uploads.NewHandler(upSvc, signer),
 		TUS:     uploads.NewTUS(uploads.NewStore(pool), cfg.UploadsDir, upSvc.Complete, log),
 	}), nil
 }