Record the structure round in the registered doc, and what is left

Refusals 24 -> 16 on mini and 14 -> 9 on the disjoint holdout, with the
residue characterized rather than rounded off: six privacy policies carrying
~11 internal references between them (refusing there is correct), two NDAs
with zero references, and four maud documents holding 2,016 references whose
body headings survive extraction nowhere.

Also records the split the round exposed but did not build: a contents page
is a legitimate OUTLINE and an illegitimate span index. The reach gate is
right to refuse resolving into one, and the outline it throws away is richer
than the reading kept (Boingo 13 titled heads vs 80; holdout ASPIRITY 11 vs
102). And the negative result, with its number, so nobody re-ports it blind:
Text-Fidelity's later-recurrence contents proof costs 19 resolved on mini and
110 on the holdout here, because uniqueLabel has already handed the bare
label to the contents entry.

Nothing about any hypothesis or arm is judged; the instrument got stronger.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01H9ToHYJVDxfeJcJwdzrP2H