If you want to use smaller ids within the stream, that capability section would ...

		wongarsu 70 days ago \| parent \| context \| favorite \| on: Show HN: 6cy – Experimental streaming archive form... If you want to use smaller ids within the stream, that capability section would seem to be the natural place to map from global codec-uuid to file-local u8 identifier

Yes, this mapping method makes a lot of sense, I'll give it a try.