Rarity was inflating to 65% Legendary: the loop mass-produces ~70 near-clone
VMs that look near-identical on every axis, so no absolute PowerScore threshold
can create scarcity within that cluster. Fix (option C, hybrid):
- grade_curve() is now the primary rarity mechanism — a population quota
(Leg 8 / Epic 15 / Rare 25 / Uncommon 27 / Common 25%) ranked by PowerScore
with a deterministic label-seed tiebreak. Yields a clean 8/15/26/27/24%
pyramid. Rebuilds each card's rarity-dependent name + flavor via _apply_rarity.
- Absolute RARITY_TIERS kept as a single-card (--label) fallback, recalibrated.
- Dead axes repaired: _pedigree now derives from author lineage (human/hh-loop/
pulled/smoke) instead of a flat 2.0; _heft rescaled to a 512MB log reference
so it spreads instead of pinning mid-size VMs at the cap.
cardimg: apply grade_curve to the gallery so rendered cards match hh-cardex,
plus the interactive 3D flip-card gallery (--flip: front dossier / back stats).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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