Best-pool scoring used to always blend the archive's inner file names
into the fuzzy score (0.95 discount), which dragged clean-named files
into wrong units (e.g. 'Keeper of Secrets & Shalaxi Helbane.7z' ended
in Orks/Boyz). Now the outer name decides when it scores >= threshold;
inner names only vote as fallback (hash-named gofile archives rely on
that). Also: url/failed-list run artifacts are excluded from sorting,
and two plan-inspection helpers under tools/.
