fix: pre-existing test failures — draft_engine None-MW crash + stale gate test

feat: v11.6 repair/enrichment scripts + independent-candidate prep + integrity tests

feat: low-evidence gating in substitution_v11 + wisemoor description provenance

feat: freeze representation validation gate

release: freeze blinded genre challenge v2

feat: add leakage-resistant genre baseline benchmark

v11.5 powered re-run: effective n=14→28, retriever=0/28 [0.000,0.121], physchem=0/28 [0.000,0.121], random=0/28 [0.000,0.121], verdict=underpowered

Complete catalog recovery and enrichment

v11.5 powered re-run: effective n=28, full=1/28 [0.006,0.177], physchem=0/28 [0.000,0.121], verdict=underpowered

v11.5 enrichment: VP/BP 67→340, structure 1731→1741, eval-pairs newly representable=3, leak-rejected=0, formula/MW-rejected=15

v11.3 eval set expanded: n=83 authoritative pairs, shape distribution=41/39/3

fix(v11): preregister mode-aware retrieval evaluation

v11 evaluator: substitution eval set n=30, assessment interface

Add Fraterworks ingestion and upload data split support

feat: add WiseMoor v9 provenance dataset

fix: normalize objective targets for pyramid training

v6: ConcentrationAwarePyramidHead + OAV fix + curated descriptors + integration

feat(optimizer): masked MSE, strategy seeds, adversarial IFRA guard; add accords/materials/importer

feat: Milestone 4 clean code snapshot