feat(stats,probability): bias/EV assessment + coverage map (remix pt.1) - #71
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guigerdts merged 2 commits intoAug 25, 2026
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…ration-remix - statistics/engine: add chi_square_gof, runs_test (per-draw-sum series), bias_report + BiasReport dataclass (STE-14) - statistics_service: expose bias_report() over draw history - ev_service: combinations_count, combination_ev, estimate_ticket_ev, is_high_ev_window (EV-15, lever A payout-if-win) - docs: Baloto official rules + engine audit + remix decision - openspec: SDD change number-generation-remix (explore/proposal/spec/design/tasks)
- ProbabilityService.coverage_map(): classifies COLD/NORMAL/HOT from empirical frequency vs binomial expectation - ProbabilityService.cold_boost_weights(): cold numbers get a coverage boost for the generator (lever C); uses statistics.engine.frequency
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Parte 1 de la refactor number-generation-remix.
Anade la evaluacion estadistica sobre la que se apoyara la generacion:
Palancas legitimas (frecuencia historica + cobertura); no alteran la probabilidad de acierto. Sin cambios de generacion todavia.