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fix(tradein): backfill house_id_fk via source-identity path (#1781) #1936

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bot-backend merged 1 commit from fix/1781-house-fk-source-identity into main 2026-06-27 00:05:15 +00:00
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Light1YT
6ce60a0d8c fix(tradein): backfill house_id_fk via source-identity path (#1781)
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Migration 130 only filled house_id_fk for listings carrying
house_source/house_ext_id. Prod (2026-06-27): 1884 active NULL-FK rows
remain, 0 with house_source/ext_id (130 re-run = no-op). They were
matched via the per-listing-identity path the realtime mirror uses when
no house catalog id exists: match_or_create_house(ext_source=source,
ext_id=source_id) -> Tier-1 house_sources lookup (confidence 1.0).

136 replays that exact lookup offline: UPDATE listings SET house_id_fk
= house_sources.house_id WHERE (ext_source=source, ext_id=source_id) and
house_id_fk IS NULL. Faithful to base.py:704-750; idempotent (NULL
guard); deterministic (no fuzzy/geo); collision-safe (catalog ids live
under distinct ext_source like 'cian_newbuilding'). Dry-run BEGIN/ROLLBACK
fills 4608 NULL-FK rows (744 active), restoring estimator Tier-S
"same-building" grouping. The remaining ~1140 active need re-scrape/
re-match (scraper coverage — #1781 Лёха).

Refs #1781
 2026-06-27 05:01:02 +05:00