Ic_proxy Not Supported http_request streaming_strategy?

The function nftStreamingCallback will not be called

When the jar is deployed on the IC network, the HTTP request can obtain all the data, https://ccl3v-4qaaa-aaaai-abdbq-cai.raw.ic0.app/nft

It appears to be supported if you provide a streaming strategy in the response.

Can you link to your source code?