https://tangled.org/microcosm.blue/microcosm-rs/pulls/6#comment-1444 many-to-many order is deterministic (could be reversed) but the order itself is arbitrary, so reversing it gives a different arbitrary order, but not a meaningfully different order. the rocks impl also embeds assumptions about the paging rules into its join loop which might not hold the regular /links endpoint won't get the reverse param because it's deprecated, but reversing backlinks is kept for the non-deprectated xrpc backlinks endpoint!