fix(tradein/estimator): per-city ценовой band ДКП-сделок для всей Свердловской обл. (66) #2485

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lekss361 merged 1 commit from fix/tradein-oblast-c1-price-band into main

2026-07-12 16:09:05 +00:00

Author	SHA1	Message	Date
bot-backend	e2502a0134	fix(tradein/estimator): per-city ценовой band ДКП-сделок для всей обл. 66 All checks were successful CI Trade-In / frontend-checks (pull_request) Has been skipped Details CI / frontend-tests (pull_request) Has been skipped Details CI / openapi-codegen-check (pull_request) Has been skipped Details CI Trade-In / changes (pull_request) Successful in 8s Details CI / changes (pull_request) Successful in 8s Details CI / backend-tests (pull_request) Has been skipped Details CI Trade-In / backend-tests (pull_request) Successful in 50s Details Глобальный DEAL_MIN_PPM2=50k резал 46.6% не-ЕКБ сделок (легит дешёвые города: Североуральск p50=21.7k, Новоуральск 36k, Асбест 41k). Band стал per-city. - migration 178: deal_city_price_bands (city PK, ppm2_min/max, n_deals), populate из deals (source=rosreestr, city<>Екатеринбург, count>=30), min=GREATEST(p1,8000) max=LEAST(p99,800000), idempotent upsert; HAVING-guard p99>=8000 (airtight против inverted band). - estimator.py оба enforcement-пойнта city-aware с fallback на глобаль: - _fetch_dkp_corridor SQL: LEFT JOIN deal_city_price_bands + COALESCE(band, :global). - _is_plausible_deal(city, bands) + _fetch_deals: _load_city_price_bands (TTL-cache), SELECT city. - ЕКБ исключён из таблицы → fallback на 50k/800k → EKB-сделки byte-identical (deals спеллит EKB только 'Екатеринбург', 49791). EKB deal-level инвариант airtight; interior-EKB оценки идентичны. Регресс-гейт байт-зелёный. Follow-ups: periodic refresh band-таблицы; city-scoping _fetch_dkp_corridor (→ C2).	2026-07-12 19:07:05 +03:00

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e2502a0134

fix(tradein/estimator): per-city ценовой band ДКП-сделок для всей обл. 66

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Глобальный DEAL_MIN_PPM2=50k резал 46.6% не-ЕКБ сделок (легит дешёвые города: Североуральск p50=21.7k, Новоуральск 36k, Асбест 41k). Band стал per-city.

- migration 178: deal_city_price_bands (city PK, ppm2_min/max, n_deals), populate из deals (source=rosreestr, city<>Екатеринбург, count>=30), min=GREATEST(p1,8000) max=LEAST(p99,800000), idempotent upsert; HAVING-guard p99>=8000 (airtight против inverted band).
- estimator.py оба enforcement-пойнта city-aware с fallback на глобаль:
  - _fetch_dkp_corridor SQL: LEFT JOIN deal_city_price_bands + COALESCE(band, :global).
  - _is_plausible_deal(city, bands) + _fetch_deals: _load_city_price_bands (TTL-cache), SELECT city.
- ЕКБ исключён из таблицы → fallback на 50k/800k → EKB-сделки byte-identical (deals спеллит EKB только 'Екатеринбург', 49791).

EKB deal-level инвариант airtight; interior-EKB оценки идентичны. Регресс-гейт байт-зелёный. Follow-ups: periodic refresh band-таблицы; city-scoping _fetch_dkp_corridor (→ C2).

2026-07-12 19:07:05 +03:00