model-registry: default supports_stream true

internal/service/model_registry.go

@@ -214,6 +214,7 @@ func (s *ModelRegistryService) Refresh(ctx context.Context, ref string) error {
 			SupportsFunction:   m.SupportsFunctions,
 			SupportsToolChoice: m.SupportsToolChoice,
 			SupportsFim:        m.SupportsFIM,
+			SupportsStream:     true,
 			MaxOutputTokens:    m.MaxOutputTokens,
 		}.Normalized()
 		b, err := jsoncodec.Marshal(snap)
@@ -693,6 +694,7 @@ func (a *capAgg) finalize(name string) modelcap.Model {
 		SupportsFunction:   supportsTools,
 		SupportsToolChoice: true,
 		SupportsFim:        true,
+		SupportsStream:     true,
 		MaxOutputTokens:    0,
 	}
 	if a.contextKnown {