Yandex SERP was being banned (datacenter IP) and on-demand scrapers (cian_valuation,
cian_newbuilding, avito_imv, avito_detail) silently returned None due to same cause.
Mobile proxy was already wired for cian.py/cian_detail.py/avito.py but missing elsewhere.
- yandex_realty: proxies= added to _CurlCffiSession in __aenter__
- yandex_valuation: proxies= added to _CurlCffiSession in __aenter__
- cian_valuation: proxies= added to AsyncSession (async with ... fetch block)
- cian_newbuilding: proxies= added to both own-session paths (fetch_newbuilding +
resolve_cian_zhk_url); shared-session callers unaffected
- avito_imv: proxies= added to own-session path only (shared CffiAsyncSession from
AvitoScraper already carries proxy)
- avito_detail: proxies= added to own-session path only (scrape_pipeline passes shared
session with proxy; admin endpoint creates own-session -> now proxied)
All use pattern: _proxy = settings.scraper_proxy_url; proxies={"http":_proxy,"https":_proxy}
if _proxy else None -- matching cian.py (#806 reference). proxy=None = direct connection (dev).
Tests: 9 new proxy-wiring unit tests added to test_scraper_proxy.py (20 total, all pass).
Add warm-up GET /evaluation/realty + production browser header set (Sec-Fetch,
X-Requested-With, 25s timeout) mirroring avito.py, чтобы защитить 3-step IMV flow
от server-IP анти-бот 403. Refactor step B/C парсинга в pure helpers
(_parse_geo_position/_parse_price/_parse_placement_history/_parse_suggestions)
+ fixture-driven offline тесты из живых JSON-captures.
Честный диагноз: контракт (geoFieldsHash, price-блок, categoryId=24) НЕ менялся —
проверено живым capture'ом с этой машины (A→B→C, recommended 7.39M). Реальная
причина #565 — скорее анти-бот по PROD-IP, не код → если #565 останется после
deploy, настоящий фикс = ротация egress IP воркера (devops, отдельно).
code-reviewer: ✅ APPROVE no critical — warm-up non-fatal, injected-session path
unchanged, refactor preserves shapes, graceful-None сохранён, fixtures без PII.
Tests: 12 new (27 total). Ruff clean.
Closes#565
