In the future we'll hopefully be adding OpenTelemetry traces to streaming and also further improving performance by moving database queries that don't change often out of the message sending loop.

This will consume a bit more memory (since we'll cache that data in memory) but it'll reduce load on the database.

We're actually looking for help with OTel: https://github.com/mastodon/mastodon/issues/32673#issuecomment-2443737948
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