Offline H1-H4 measurement on 20 public AA holdout cases. Block unique top-1 did not rise; H4 made it worse; minute layer unchanged. Leave production scoring untouched. Transits must not drive minute conclusions.
Offline holdout replay shows refresh-only R3+R4 add discriminative dated probes; R1/R2 do not meet the gate. Co-authored-by: Cursor <cursoragent@cursor.com>
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