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5 commits

Author SHA1 Message Date
bot-backend
c1a01fdbf9 fix(tradein/estimator): СберИндекс — только вторичка + confidence dispersion-ceiling (R2 H1+H2)
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H1 (деньги, каждая оценка): time-adjust ДКП-коридора брал СберИндекс `residential_real_estate_prices`,
а для обл.66 это 100% «Первичный рынок» (новостройки) → коррекция направленно противоположна
вторичке (первичка Jan→May +0.89% vs вторичка −0.39%). Fix: SBER_COEFF_DASHBOARDS →
(real_estate_deals, dinamika-tsen-obyavlenii) — обе вторичка; + segment-guard в SQL
(`segment ILIKE '%вторичн%'`) как defense-in-depth. Live-verified: остаются только Вторичный-серии.

H2 (честность): `_compute_confidence` ветка «≥4 адреса» не имела потолка разброса → пул с ±45%
IQR + «расширили радиус из-за нехватки данных» уходил как «medium» вопреки объяснению. Fix:
medium требует IQR/median < 0.35; + force-low при fallback-расширении с разбросом > 0.30.

Regression-гейт: перегенерён baseline (dedup OFF, как в гейте) — ровно 1 из 277 фикстур-кейсов
medium→low (высокодисперсный, справедливо): calibration.medium.n 2→1 (mape 14.64→6.99 —
ненадёжный ушёл), low.coverage 81.82→81.88. Δ минимальна и обоснована. 127 тестов зелёные.

Stale-СберИндекс (72д) — НЕ трогаю в коде: time-adjust валидно ре-базит Jan→May; сброс потерял
бы валидную коррекцию. Реальный gap операционный (pull не гонялся с 19.06) — в scheduler/ops.
2026-07-12 22:03:59 +03:00
a5097c3a97 fix(tradein/estimator): rebase ground-floor hedonic term onto current main (#2002, #2382) (#2391)
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2026-07-04 07:33:37 +00:00
c45445b726 feat(tradein/estimator): hedonic year+area correction on expected_sold (#2002)
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2026-06-27 16:06:08 +00:00
9448a945d4 feat(tradein/estimator): calibrated 80% prediction interval for expected_sold range (#1966)
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2026-06-27 14:01:24 +00:00
ec9ed56fad feat(tradein/backtest): hermetic estimator regression gate — frozen fixture + baseline (#1966 PR 3/3)
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2026-06-27 12:55:35 +00:00