fix(tradein/estimator): thin-market гейт IMV перестаёт быть витринным — рынок из 1 объявления больше не двигает headline и range_high #3336

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bot-backend merged 3 commits from fix/3323-imv-thin-market-gate into main 2026-09-05 17:49:30 +00:00

3 commits

Author SHA1 Message Date
aaf8119408 Merge remote-tracking branch 'origin/main' into HEAD
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# Conflicts:
#	tradein-mvp/backend/app/services/estimator.py
2026-09-05 22:40:52 +05:00
4f4345e27c fix(tradein): завершить thin-market гейт IMV — Guard-1b и GET-путь (#3323)
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MEDIUM-1: imv_anchor_present ставился по anchor_total МИМО гейта — на тонком
рынке якорь отброшен, а Guard-1b (#764) продолжал глушить квартальную поправку
«потому что якорь есть»: headline не получал ни одной поправки, отброшенный
якорь двигал деньги вычитанием. Теперь present = not thin_market.

MEDIUM-2: trade_in.py (GET ?id= — расшаренная ссылка/PDF) — третья точка
сборки карточки: market_count=0 читался как «неизвестно», thin_market не
передавался вовсе → одна оценка показывала thin_market=True в POST и False
при переоткрытии.
2026-09-02 17:44:32 +05:00
148da3e5a7 fix(tradein): thin-market IMV не двигает деньги (#3323)
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avito_imv_thin_market_threshold рождал только warning: IMV с market_count=1
всё равно уходил в blend (w=0.5 при A > median*1.15) и растягивал range_high.
Гейт поставлен в _apply_imv_blend — единственной точке, через которую IMV
влияет на деньги (обе ветки якоря, imv_anchor и imv_eval, сходятся там):
market_count < threshold → no-op, якорь остаётся display-only в карточке.
market_count >= threshold и market_count=None (порог не передан) — поведение
прежнее. market_count=0 больше не читается как «неизвестно».
Warning теперь говорит, что IMV ОТБРОШЕН, а не просто «тонкий рынок».
2026-09-02 17:36:22 +05:00