transcode media particles to mp4

go/internal/depot/models.go

@@ -29,6 +29,15 @@ type PrepareUploadResult struct {
 	UploadHeaders map[string]string
 }
 
+// CreateFromReaderInput is for server-side direct uploads (no presigned URL).
+// Used by background workers that already have the bytes on hand and don't
+// need a client round-trip.
+type CreateFromReaderInput struct {
+	Prefix      string // Optional prefix for organizing objects (e.g., network_id)
+	Name        string
+	ContentType string
+}
+
 // Config holds configuration for the depot service
 type Config struct {
 	GoogleServiceAccountEmail string