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Author SHA1 Message Date
2a38561175 feat(tradein): второй % «за 45 дней» + zhkh-знаменатель slot (146) (#2071)
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2026-06-28 17:51:38 +00:00
566b2f9617 fix(tradein/scraper): drain detached run-children on SIGTERM, not just coordinator (#1182 Phase 2)
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Pre-push review: _await_scheduler ждал только scheduler_loop COORDINATOR, но вся
scrape-работа крутится в detached asyncio.create_task детях (каждый trigger_* делал
`task = create_task(_run())` без join). На SIGTERM coordinator выходил из while True
и завершался → asyncio.run() teardown хард-кансельил ещё бегущих детей mid-await =
ровно #1182 failure mode. Кооперативный checkpoint спасал ребёнка лишь когда его
residual-время случайно перекрывало drain — вероятностно, не гарантированно.

Fix — coordinator теперь дренажит детей перед выходом:
- _spawn_tracked(coro): централизованный detached-spawn, кладёт задачу в module-level
  registry _inflight_tasks (strong-ref = RUF006 keep-alive) + done-callback ретривит
  exception и убирает из set'а. Заменил 26 одинаковых
  `task = create_task(_run()); task.add_done_callback(...)` сайтов.
- _drain_inflight(): один asyncio.wait по живым детям с бюджетом
  _CHILD_DRAIN_TIMEOUT_S=80s (< scheduler_main 100s < docker grace 120s). Кооперативные
  дети (avito_detail_backfill, rosreestr-executor) дочекивают карточку/батч + mark_done
  и резолвятся; некооперативные упираются в timeout и падают на внешний hard-cancel.
- scheduler_loop по выходу из tick-loop (только по SIGTERM) зовёт await _drain_inflight().

NB: raw asyncio.all_tasks()-minus-self здесь НЕЛЬЗЯ — в нашей топологии он захватывает
_run parent-task (блокирован на wait_for(coordinator)) и shutdown_waiter → циклическое
ожидание coordinator↔_run, всегда упирающееся в timeout. Точный registry это исключает.

Tests: tests/test_scheduler.py — detached cooperative child drained-not-cancelled,
non-cooperative child timeout→left for hard-cancel, no-op без детей, scheduler_loop→drain
wiring. Обновил 3 source-inspection теста под новый _spawn_tracked паттерн.
2026-06-28 20:13:53 +03:00
848e6d3bdd feat(tradein/scraper): cooperative SIGTERM-drain for graceful deploy (#1182 Phase 2)
Деплой (docker recreate tradein-scraper) шлёт SIGTERM с stop_grace_period=120s
(Phase 1). Раньше scheduler_main отвечал hard task.cancel() → бегущий scrape-unit
получал CancelledError посреди браузер-карточки → карточка гибла без COMMIT.

Теперь SIGTERM/SIGINT лишь выставляют кооперативный флаг; tick-loop и длинные
задачи опрашивают его на СВОИХ существующих between-unit checkpoint'ах,
докоммичивают текущий unit и выходят сами.

- app/core/shutdown.py: новый standalone-модуль (asyncio.Event + request_shutdown
  / shutdown_requested / wait_for_shutdown), без app-зависимостей → нет циклов.
- scheduler_main._run: SIGTERM → request_shutdown() вместо task.cancel(); ждём
  добровольного drain'а, safety-net wait_for(100s < docker grace) с fallback на
  hard-cancel для некооперирующей задачи.
- scheduler_loop: проверка флага в начале тика и после каждого dispatch — не
  reap/claim новые run'ы во время shutdown, выходим из loop'а.
- avito_detail_backfill: break на границе карточки рядом с budget-guard; snapshot
  pending-query идемпотентен → следующий run сам резюмит остаток.
- import_rosreestr_dkp: расширен is_cancelled checkpoint — drain делает mark_done
  (partial), не mark_cancelled; user-cancel семантика без изменений.

Без SIGTERM поведение идентично прежнему. reap_zombies не трогает drained-run'ы
(они mark_done, не 'running').

Tests: tests/core/test_shutdown.py, scheduler_main drain+timeout-fallback,
avito_detail_backfill partial-drain. 26 + 29 scheduler passed.
2026-06-28 19:52:09 +03:00
579536b4ad feat(tradein): канонический матч ГАР↔houses (0%→41% yield) + tradein_canon_addr + --match-only (#2063)
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2026-06-28 15:50:07 +00:00
123717994b feat(tradein): ГАР-loader знаменателя — apartments-per-house → gar_house_flats + match к houses (#2059)
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2026-06-28 14:54:43 +00:00
f3e10a04ad feat(tradein): API домов «доли квартир в продаже» — /buildings/sale-share (+ listings, summary) (#2055)
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2026-06-28 14:14:18 +00:00
a50af40ad6 fix(tradein/avito): reap dead 404 listings in detail backfill (don't trip block breaker)
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avito_detail_backfill (mode=browser) aborted prod run 458 with
attempted=5 enriched=0 blocked=5: the lat-null pending queue is dominated
by DEAD listings (404 — that's why they are stale coord-holes). In browser
mode a dead listing's 404 page ("Ошибка 404. Страница не найдена") has no
item-view, so _is_detail_soft_block returned True → AvitoBlockedError →
backfill counted it as `blocked` and the consecutive-block breaker aborted
the run before reaching live listings.

- New AvitoListingGoneError (subclass of common AvitoError, NOT of
  AvitoBlockedError/AvitoRateLimitedError) so the backfill block-trap
  does not catch it.
- New _is_detail_not_found() detector + browser-mode branch in fetch_detail,
  checked BEFORE firewall/soft-block (keyed on the 404 title so it does not
  swallow the generic soft-block deflect). Curl path unchanged (404 → 302/
  non-200 → ValueError → failed, as before).
- Backfill: new `gone` counter; dedicated except AvitoListingGoneError branch
  that is neutral to the consecutive-block breaker and marks the listing
  is_active=FALSE (SAVEPOINT) so it leaves the snapshot scope.

Tests: unit for _is_detail_not_found (404 True; soft-block/item-view/empty
False), browser-mode fetch_detail raising AvitoListingGoneError (not Blocked),
and backfill gone-row marks inactive without aborting the breaker.
2026-06-28 14:05:31 +03:00
ca4637e5c8 fix(tradein/avito): detect HTTP-200 soft-block → rotate + coords-priority backfill ordering (#1950, #1967)
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Soft-block (HTTP 200 generic витрина без item-view) теперь детектится как блок → существующая 403/firewall reconnect-машинерия → ротация exit-IP вместо silent failed (blocked=0, enriched→0 каскад). + snapshot ORDER BY (lat IS NULL) DESC для приоритизации coord-holes (#1967, in-scope 321). Tests: test_avito_detail_soft_block.py. Full tradein suite 2591 passed.
2026-06-28 08:06:12 +00:00
43b392b809 feat(tradein/domclick): local-runner + ingest tooling → main (split from parked Layer-B)
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Выделяет МЕРДЖАБЕЛЬНУЮ часть DomClick-тулинга из запаркованного PR #2005
(BLOCKED #2000 — прод Layer-B скрейпер через прокси режет QRATOR-403):

- scripts/domclick_local_runner.py — ручной offline-сборщик с домашнего IP:
  SERP-enumerate (фронт, BFF-JSON режет QRATOR) + card __SSR_STATE__ +
  offer-card v3 (AVM price_prediction + sold_similar). --enum-cache (enumerate
  1 раз → файл с sentinel → следующий запуск грузит кэш и пропускает enumerate),
  wait_for_selector (SERP-карточки догидрируются), resume по id. Self-contained.
- scripts/ingest_domclick_jsonl.py — JSONL → trade-in БД (save_listings +
  house-match в SAVEPOINT + save_detail_enrichment, идемпотентно, --limit/--dry-run).
- app/services/scrapers/domclick_detail.py + domclick_exceptions.py — card-SSR
  parse + save_detail_enrichment (нужны ингесту). Импортятся ТОЛЬКО ингестом
  (operator-run); прод-runtime их не дёргает (dormant в образе).
- tests/scrapers/test_domclick_detail.py + обновлённый scripts/README.md.

НЕ включает прод Layer-B (tasks/domclick_detail_backfill.py, scheduler-расписание,
data/sql/139_*) — остаётся запаркован на PR #2005 до чистого прокси (#2000).
БД-схема не меняется (detail-колонки уже в проде, миграции нет).

Live-validated: раннер качает ЕКБ-вторичку прямо сейчас (600+ карт, 0 блоков),
ингест залил их в прод-БД (house_matched, идемпотентно).
2026-06-28 10:26:52 +03:00
2ebf7468cd fix(tradein/avito): hard-timeout on detail-backfill fetch — prevent zombie-hang (#1950)
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fetch_detail wrapped in asyncio.wait_for(90s) + bounded _rotate_ip — a single hung fetch no longer zombies the whole run (run 423 hung 7.7h). New except TimeoutError (failed+continue), avito_detail_fetch_timeout_s setting, admin trigger POST /scrape/avito-detail-backfill. Restores detail-queue throughput (coords #1967 + house_type). Refs #1950
2026-06-27 20:29:27 +00:00
44b9305d89 feat(tradein/estimator): elite-segment manual_review trigger by asking ppm² (#2002)
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2026-06-27 20:15:38 +00:00
ec0f113d4f chore(tradein/backtest): --resolve-house-id flag to measure Tier-S + IMV anchor (#2002)
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2026-06-27 19:44:38 +00:00
e39fb86a9b feat(tradein): AI-curated premium-building overlay — class + false-positive demotion (#2002)
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2026-06-27 18:43:05 +00:00
275e7e9618 feat(tradein/estimator): manual_review recommendation flag (#2002)
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2026-06-27 18:17:24 +00:00
c5227a164e feat(tradein/cian): promote kitchen/mortgage/apartments + normalize house_type (#2008)
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cian house_type normalized via shared house_type_normalizer (monolithBrick->monolith_brick etc.) — fixes estimator soft-penalty false-mismatch (~1208 rows); backfill migration 141 + new columns is_apartments/is_rosreestr_checked. kitchen/mortgage/apartments promoted (dashboard/matching, not valuation — #2012). Refs #2008
2026-06-27 18:01:50 +00:00
440bb2ca51 feat(tradein/yandex): normalize house_type + promote kitchen/ceiling to columns (#2007)
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house_type normalized via shared house_type_normalizer (canon = _IMV_HOUSE_TYPE_MAP) — fixes estimator soft-penalty false-mismatch on ~70% yandex analogs; backfill migration 140 (SCREAMING->canon + 'other'->NULL). kitchen/ceiling promoted to columns (dashboard/matching, not valuation — see #2012); ceiling capped 2.0-6.0m to avoid numeric(3,2) overflow. Refs #2007
2026-06-27 17:45:11 +00:00
50684ce87e fix(tradein/estimator): remove dead tier-aware-ratio path — truncation artifact + footgun (#2002)
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2026-06-27 17:34:54 +00:00
840d64a4a0 feat(tradein): premium_houses MV + premium_building flag (#2002)
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2026-06-27 16:40:39 +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
54a5d13c48 feat(tradein/domclick): enrich Layer A SERP parser — description, repair-inference, minhash, seller
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Capture extra bff-search fields in _map_item (verified live):
- description → ScrapedLot.description + infer_repair_state_from_text → repair_state
  (DomClick search has no renovation-enum; text inference like cian #622)
- sha1 description_minhash (cross-source dedup)
- agency_name from seller (defensive str|dict)
- raw_payload: is_sber_collateral, has_discount, discount_value, duplicates_offer_count, seller

Additive only; existing Layer A behavior unchanged. Deep card detail (renovation-enum,
wallType, full price-history, owners_count) is card-only = QRATOR-blocked on prod proxy
→ separate effort (needs dedicated residential IP).
2026-06-27 16:35:25 +03:00
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
57bf8ffb81 feat(tradein/backtest): full-spine prediction + range-coverage/calibration/segment metrics (#1966 PR 2/3)
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Full-spine backtest harness via _price_from_inputs + range-coverage/calibration/per-segment MAPE. code-reviewer APPROVE. Real prod numbers: overall MAPE 18.4%/bias -1.2%; segments эконом +16% / бизнес -23% / элит -38%; range-coverage 56.6%. Read-only; full suite 2488 passed. Refs #1966.
2026-06-27 11:21:57 +00:00
52fc920507 fix(tradein/domclick): rewrite dead scraper to BFF JSON API + honest status (#1846, #1968)
Old HTML scraper dead: /search?city_id retired in DomClick redesign + VPS IP
QRATOR-banned (prod domclick_city_sweep reported done/0 every run). New path:

- GET bff-search-web.domclick.ru/api/offers/v1 + count/v1 via
  BrowserFetcher(source="domclick") -> generic provider -> shared mobile proxy
  -> bypasses QRATOR (prod-verified live: 20 items returned, no block).
- Sweeps 6 room buckets (st/1/2/3/4/5+); recursive binary price-split for
  oversized buckets (rooms=2 ~2215 > offset cap 2000); count/v1 sizes buckets.
- Maps SERP JSON -> ScrapedLot with lat/lon at ~100% (closes avito 54% NULL-lat
  gap); per-card EKB geo-guard.
- Honest status (#1968): QRATOR block OR fetch errors with 0 lots -> mark_failed,
  not mark_done. Parse failures are per-page resilient (break bucket, keep partial
  lots) so a transient bad page never aborts the whole sweep.
- Schedule shipped DORMANT (enabled=false, pages=100) via
  138_domclick_bff_rewrite_schedule.sql; operator enables after prod smoke.

42 scraper tests (price-split boundaries, parse-error resilience, honest status);
full backend suite green; ruff clean. Layer B (detail renovation/wallType/
priceHistory) deferred to #1846 follow-up.
2026-06-27 13:57:07 +03:00
2ea49b637f refactor(tradein/estimator): extract deterministic pricing into pure _price_from_inputs (#1966 foundation)
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Behavior-preserving structural refactor: the ~870-line deterministic pricing
block inside estimate_quality() is extracted into a new pure synchronous function
_price_from_inputs() returning a PricingResult dataclass.

Key design decisions:
- All async DB fetches (imv_eval, yandex_val, cian_val) hoisted to estimate_quality
  BEFORE the call; passed as pre-fetched values / bool flags.
- DB-dependent helpers whose arguments are computed inside the block (_get_asking_sold_ratio,
  _lookup_quarter_index, _lookup_quarter_indexes) injected as Callable parameters
  (ratio_resolver, quarter_index_lookup, quarter_indexes_lookup).
- _fetch_house_imv_anchor called once in estimate_quality (was two separate conditional
  calls inside the block); single result passed as imv_anchor dict.
- _fetch_dkp_corridor and _fetch_anchor_comps hoisted to estimate_quality with
  identical guards.

All 2443 existing tests pass UNMODIFIED. 9 new hermetic unit tests added that
call _price_from_inputs directly with stub callables.
2026-06-27 13:00:21 +03:00
e24d3cf4be fix(scrapers): cian full_load anti-zombie — per-fetch wait_for + heartbeat внутри бакета (#1949)
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Два связанных фикса из диагностики 2026-06-27:

ФИКС C (run_cian_full_load, per-fetch timeout): monkey-patch _browser.fetch →
asyncio.wait_for(_f(url), timeout=cian_full_load_per_fetch_timeout_s=90s).
BrowserFetcher.fetch имеет httpx-timeout 120s, но browser-сервис иногда виснет
так что httpx не получает ответ (нет EOF) → fetch висит → asyncio.gather
блокирует весь bucket → heartbeat_at не обновляется → reap_zombies убивает живой run.
wait_for(90s) отменяет зависший fetch → TimeoutError → _fetch_page_html ловит
как Exception → None → _one_page → [] → gather завершается нормально.
За флагом (cian_full_load_per_fetch_timeout_s=0 = отключить, >0 = включить).

ФИКС D (background heartbeat): asyncio.create_task(_background_heartbeat())
обновляет heartbeat_at каждые 60s независимо от on_bucket/on_progress прогресса.
Без него пустые bucket или зависший gather замораживает heartbeat на несколько часов.
Task отменяется в finally → не течёт при return/raise/cancel.

Новая настройка (ENV):
  CIAN_FULL_LOAD_PER_FETCH_TIMEOUT_S=90.0  — timeout одного browser-fetch
2026-06-27 11:32:42 +03:00
757f6486f5 fix(scrapers): avito changeip-resilience (retry короткими попытками) + честный статус когда SERP отработал (#1950)
Два связанных фикса из диагностики 2026-06-27:

ФИКС A (_rotate_proxy_ip): вместо одношотного GET с timeout=30s — retry-loop
(proxy_rotate_attempts=3 попыток по proxy_rotate_attempt_timeout_s=8s каждая).
Зависший changeip-сервис больше не блокирует весь sweep на 30s.
Первый успешный attempt → True; все провалились → False (логируется как error).

ФИКС B (run_avito_city_sweep): когда SERP-фаза уже сохранила лоты
(lots_inserted + lots_updated > 0) и упала только detail/houses-фаза
(AvitoBlockedError / RateLimitedError), помечаем run как done (не banned)
при avito_serp_ok_not_banned=True (default). Метрика banned зарезервирована
для случаев где SERP сам заблокирован (0 лотов).

Новые настройки (ENV):
  PROXY_ROTATE_ATTEMPT_TIMEOUT_S=8.0   — timeout одной changeip-попытки
  PROXY_ROTATE_ATTEMPTS=3              — число попыток перед отказом
  AVITO_SERP_OK_NOT_BANNED=true        — флаг нового поведения (default on)
2026-06-27 11:24:54 +03:00
bcdc7ccb04 fix(estimator): deterministic comp tie-breaker + n_analogs counts priced analogs
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Found by adversarial valuation audit (2 confirmed, bot-safe).

FIX A (#5): both radius comp queries (Tier H ~3990, Tier W ~4135) ended with
a bare ORDER BY relevance_score; on score ties Postgres returned rows in
undefined order, so the same /analyze could pick different comps across runs.
Append deterministic tiebreaker: relevance_score ASC, distance_m ASC,
scraped_at DESC NULLS LAST, id ASC (id = listings PK → total order). Added id
to each base CTE; outer projection unchanged (no leak downstream).

FIX B (#2): _filter_outliers keeps rows with price_per_m2 IS NULL, but the
median is built from prices_ppm2 (drops them) while n_analogs counted all of
listings_clean — overstating contributing comps ("Найдено N аналогов"
misleading; all-price-less -> median=0 but n_analogs>0). Count n_analogs from
prices_ppm2 in the radius path. #698 anchor overwrite + #691 zero-analog->low
guard unaffected; listings_clean itself not filtered.

Adds tests/test_estimator_n_analogs_priced.py (verified to fail on old code).
Audit also flagged velocity fan-out (false-positive: 0 duplicate domrf_obj_id
on prod) and >/>= disclosure tweaks (cosmetic) — deliberately not changed.

Refs #1871
2026-06-27 05:57:04 +05:00
8bb302aadf test(tradein): cover avito/cian + mark_failed total_seen/new_count persistence (#1926)
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#1928 fixed scrape_runs.total_seen/new_count for sweeps via _column_counts
but only regression-tested the yandex mark_done path. Add equivalents for
the CitySweepCounters (avito/cian) sweep and the mark_failed path — both
explicitly named in the #1926 audit — so the all-sweeps + failure-path
guarantee is locked in.

Refs #1926
2026-06-27 05:16:14 +05:00
63ac12dc23 feat(tradein): recurring house-dedup merge (schedule dormant) (#1772) (#1933)
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2026-06-26 21:39:30 +00:00
89d05bbfec fix(tradein): persist scrape_runs.total_seen/new_count from sweep counters (#1926) (#1928)
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2026-06-26 18:09:17 +00:00
87364eebca fix(test): test_849 expects 3 begin_nested/lot after #1921 upsert-reconcile SAVEPOINT — unblock red main gate (#1925)
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2026-06-26 17:23:24 +00:00
74ea6659ea Merge pull request 'fix(scrapers): avito_full_load краш (source_id-reconcile) + cian/yandex ban-ротация' (#1921) from fix/scraper-resilience-upsert-rotation into main
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Reviewed-on: #1921
2026-06-26 16:19:06 +00:00
5d5b2981fc Merge pull request 'fix(estimator): флаг + тесты для ghost-anchor guard и radius-dedup (#1871)' (#1919) from fix/estimator-trust-ghost-dedup into main
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Reviewed-on: #1919
2026-06-26 16:18:58 +00:00
c1cdf3969c fix(scrapers): ban/stuck-ротация для cian+yandex (provider-aware _rotate_proxy_ip)
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2026-06-26 19:10:26 +03:00
197068c515 fix(scrapers): save_listings — UPDATE by (source,source_id) при dedup_hash-дрейфе (avito_full_load краш) 2026-06-26 19:10:12 +03:00
2fe34ac785 fix(estimator): ghost-anchor — confidence='low' when radius analogs empty (#1871) (#1920)
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2026-06-26 16:07:12 +00:00
9678aface5 fix(estimator): dedup radius-аналогов — не раздувать n_analogs (#1871)
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Добавляет тест test_n_analogs_reflects_deduped_count: 3 дубля одного объекта
(один source_id) → 1 кандидат (freshest scraped_at); 3 разных объекта → все 3.
Верифицирует ключевое требование #1871 P2: n_analogs отражает дедупнутое число,
а не raw кол-во строк в listings с дублями (prod: 797 yandex + 93 cian дублей
раздували n_analogs и искажали медиану/перцентили).
2026-06-26 18:52:11 +03:00
68f7c0e015 fix(estimator): запрет confidence=high при n_analogs=0 (#1871 ghost-anchor)
Добавляет settings-флаг estimate_confidence_floor_no_analogs (дефолт True),
гейтящий вызов _enforce_zero_analog_low перед сборкой AggregatedEstimate.
При n_analogs==0 и confidence!='low' форсит 'low' + добавляет caveat в
explanation («без сопоставимых аналогов рядом»), предотвращая показ выдуманного
«высокого» доверия когда оценка построена только на внешних оценщиках
(yandex_valuation/cian_valuation) без реальных рыночных аналогов.
2026-06-26 18:50:19 +03:00
e03c810306 feat(tradein-imv): route IMV backfill через BrowserFetcher.fetch_json за dormant-флагом (#915 Stage 3) (#1916)
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2026-06-26 09:54:28 +00:00
d479edeb3f feat(tradein-browser): additive POST /fetch-json + BrowserFetcher.fetch_json (#915 Stage 2) (#1915)
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2026-06-26 09:30:35 +00:00
1d5b081cb4 fix(cian): recover new-build house via cadastral anchor + listings (source,source_id) dedup (#1773) (#1912)
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cian new-build cadastral anchor + listings (source,source_id) dedup (#1773): migration 133 (deep-reviewed data-loss-safe). Refs #1773
2026-06-26 07:45:22 +00:00
3f1925052b feat(scheduler): wire house_imv_backfill as scheduled source (#854) (#1910)
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wire house_imv_backfill as scheduled source (#854): trigger fn + seed migration 132. Refs #854
2026-06-26 07:45:08 +00:00
5ed88c41a4 fix(avito): post-merge polish — unify fetch_mode guard + empty-render guard (#1811) (#1909)
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avito SERP browser post-merge polish (#1811): unify fetch_mode guard, empty-render guard, debug logging. Refs #1811
2026-06-26 07:44:22 +00:00
4eaf184d0e fix(avito): graceful sidecar HTTP 500/503 in browser SERP fetch (#1790)
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Classify tradein-browser sidecar HTTP 500/503 in _fetch_serp_html_browser and route into existing rotation/retry machinery: soft-ban → IP rotation, transient → bounded backoff, both exhausted → AvitoRateLimitedError (graceful mark_banned, partial preserved) instead of mark_failed. Fixes run-#356 class where one late 500 nuked a run that had saved 3186 listings.

Refs #1790
2026-06-25 06:47:41 +00:00
77a3d3f75a fix(estimator): enable split-home disclosure at validated threshold 1.2 (audit #1871)
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Включает wide-corridor disclosure (PR #1880, был default OFF) — но с
ИСПРАВЛЕННЫМ порогом по prod-данным.

Проверка на trade_in_estimates (60д): corridor_pct = (range_high-range_low)/
median_price имеет median≈0.48, p90≈0.93, p99≈1.38; **30.7% оценок > 0.6**.
Старый порог 0.6 прилепил бы caveat «дом разбит на секции» к ~трети оценок —
большинство НЕ split-дома (широкий коридор бывает от разных причин). Это была
бы ложная атрибуция (дезинформация).

- estimate_wide_corridor_threshold 0.6 → 1.2: genuine split-дома из аудита =
  148-170% (1.48-1.70) → 1.2 ловит только экстремальный хвост (>p99), не трогая
  нормальную оценочную неопределённость.
- estimate_wide_corridor_disclosure_enabled False → True (включаем после
  валидации). ENV-override сохранён (kill-switch).
- Формулировка смягчена: «дом разбит на секции» → «вероятно, дом разбит на
  секции разной этажности ИЛИ разнородный фонд» — мы ИНФЕРИМ split по ширине
  коридора, не доказываем структурно.
- Логика не тронута: фаерит только Tier A + corridor>threshold, только понижает
  confidence + дописывает explanation; point/median/range не трогает.

Тесты: обновлены default-ассерты (флаг ON, порог 1.2) + 2 behavioral boundary-
теста (фаерит при pct>threshold, НЕ фаерит при умеренном 1.045<1.2 — доказывает
что raise убрал false-positive flood). 13 passed.

Refs #1871
2026-06-24 01:54:58 +05:00
7ae96ad1af Merge pull request 'fix(estimator): radius (source,source_id) dedup + split-house corridor disclosure (audit #1871 P2)' (#1880) from audit/1871-p2-estimator-dedup-split into main
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2026-06-23 09:49:11 +00:00
1b23fc5d95 fix(estimator): radius (source,source_id) dedup + split-house corridor disclosure (audit #1871 P2)
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Два P2-фикса в чувствительном estimator.py, оба за флагами.

DEDUP (estimate_radius_dedup_enabled, default ON):
radius-путь _fetch_analogs (Tier S-canonical/S-fallback/H/W) кэпил только
per-address (rn_addr ≤ MAX_ANALOGS_PER_ADDRESS=5), но (source,source_id)-дубли
делят один address и выживали на разных rn_addr рангах → раздували n_analogs
(prod 2026-06-23: yandex 48, cian 9, n1 5 excess). Добавлен rn_dup-window
PARTITION BY source, CASE(id:source_id|url:source_url|ctid) ORDER BY scraped_at
DESC + AND rn_dup=1 во все 4 тира — зеркалит anchor-dedup (:1556). CASE/ctid-guard
не схлопывает legacy NULL-source_id. ctid доступен (все тиры FROM listings
single-table). psycopg3: column::type (легально), bind-param :: отсутствует.

SPLIT DISCLOSURE (estimate_wide_corridor_disclosure_enabled, default OFF):
Tier A матчит по address-regex (намеренно — дом дробится на house_id), на
split-доме разной этажности comp_min..max растягивает коридор до 148-170%.
При corridor_pct > threshold (0.6) → понизить confidence на ступень + caveat
«дом разбит на секции разной этажности — оценка ориентировочная». НЕ трогает
point/median/range — только confidence+explanation. Helper _downgrade_confidence.
Default OFF (no-regress, включим осознанно). Merge house_id отклонён (recon:
вреден — Tier A намеренно обходит house_id-группировку).

Тесты: +22 (dedup 4 тира + семантика + psycopg3-regex guard; split disclosure
через реальный _run_estimate harness + does-not-touch-median/range + helper).
399 estimator passed, ruff clean, mypy pre-existing-only.

Refs #1871
2026-06-23 14:48:02 +05:00
04550bc94f fix(tradein): drop non-EKB avito detail coords on ingest (audit #1871 P2)
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avito_detail.parse_detail_html писал data-map-lat/lon прямо в listings
UPDATE COALESCE без bbox-валидации — в отличие от geocoder.py, который
фильтрует везде. Итог: 406 active avito-листингов с координатами
Питер/Тюмень/Уфа просочились в ЕКБ-датасет (ложные аналоги через Tier A
address-match оценщика). Prod-verified 2026-06-23.

- geocoder: DRY-хелпер is_within_ekb_bbox(lat, lon, bbox) + именованные
  EKB_BBOX_TIGHT (geocoder-фильтр, числа не изменены) и EKB_BBOX_WIDE
  (ingest-guard); 2 inline tight-проверки → хелпер (поведение identical).
- avito_detail: после извлечения lat/lon → reset None + logger.warning
  если вне wide-bbox; листинг падает в geocode-cron путь (COALESCE NULL
  не затирает прежнее хорошее значение).
- tests: bbox-хелпер (ЕКБ True, Питер/Тюмень/Уфа False, inclusive,
  WIDE⊇TIGHT инвариант) + parse_detail_html guard end-to-end.

WIDE строго содержит TIGHT — guard физически не режет ничего, что
geocoder сам бы пропустил. NULL lat (14935, geocode backlog) — отдельная
проблема, не в scope. One-time cleanup существующих 406 — отдельно
(database-expert, prod data mutation).

Refs #1871
2026-06-23 14:33:10 +05:00
41e9c820c9 fix(tradein/estimator): ghost-anchor invariant guard — n_analogs=0 forces low (audit #1871 P1.2)
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Audit #1871 P1.2: estimate 5fcc1e99 показывал confidence='high' при
n_analogs=0 (median 38.45M ₽, sources=['yandex_valuation']) при реальной
истории листингов дома 4.2-6.5M. По prod-DB это ЕДИНСТВЕННАЯ legacy-строка
от 2026-05-30, давно expired (TTL оценок = 1 день, все 66 high/medium-c-n<5
строк expired). Текущий mainline уже честен. Фикс — defensive invariant,
чтобы ghost не мог родиться снова из будущих external-valuation-blend /
rehydrate / migration путей.

Backend (estimator.py):
- helper _enforce_zero_analog_low(confidence, n_analogs, explanation, ...)
  форсит 'low' + caveat когда n_analogs==0 and confidence!='low'.
  Идемпотентен (low+0 → low без дубля caveat), не трогает high+N>0, реальный
  median внешнего сервиса сохраняется (fake-коэффициенты не вводятся),
  logger.warning для observability.
- Вызов перед сборкой AggregatedEstimate в estimate_quality (единственный
  уязвимый return-путь; _empty_estimate хардкодит low — структурно безопасен).
- +5 unit-тестов (high+0→low+caveat, medium+0→low, low+0 идемпотент,
  high+N unchanged, None-explanation).

Frontend (HeroSummary, HeroTransparency, history):
- effectiveConfidence = n_analogs===0 ? 'low' : confidence — defensive depth
  на случай legacy-rehydrate / контракт-drift. Caveat-текст из backend
  confidence_explanation (не хардкод). Type-safe (ConfidenceLevel).

Refs #1871
2026-06-23 11:05:34 +05:00