1c386b5ed0
Sampler is now driven by PackDrawTable: roll DrawTier per slot by cumulative slot-rate weights, then pick a card within tier by per-card weights renormalized within the tier. Rate-less Guaranteed-Leader-Card rows draw uniform over (pool minus owned), falling back to the full pool when all are owned. Bonus slot fires once at the end of a 10-pack open when HasBonusSlot is set. Slot 8 falls back to the general slot's per-card weights for the rolled tier when slot-8 has only a rarity-level rate quoted (the common shape on normal packs). PackController.Open loads the draw table + viewer owned card ids and passes them to the sampler; the category-based forced-Legendary slot-8 override is gone. ICardFoilLookup replaces ICardPoolProvider for the foil-twin heuristic. Drops the test-fixture pack-draw seed overlay so the production seed flows through the importer tests; controller tests that fabricate their own card sets now call factory.SeedPackDrawTableAsync(...) to install a matching stub draw table. WeightedPick helper handles the cumulative-band roll for both stages. Five sampler tests + four WeightedPick tests + five importer/repo tests; full suite is 653/653 green. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>