2026-07-17 03:42:20
— part of check-in
[ed93685e89]
on branch windowed-log
— Add a windowed 'zit log -n K' that early-exits the ancestry walk after K check-ins: walkLog returns before descending into the K-th node's parents, so only K manifests are reconstructed instead of the whole DAG (full log → -n 20 scales linearly, the signature of a true bound). Opt-in — unbounded default unchanged; -n K accepted in either order; 0/non-numeric/overflow rejected. Documented as the K nearest ancestors in DFS order (not fossil's mtime timeline).
(user:
dmestas,
size: 353106)
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