feat(listings): card_hash column + snapshot-dedup on unchanged cards #1767

Merged

lekss361 merged 1 commit from feat/listings-card-hash into main

2026-06-18 19:03:28 +00:00

Author	SHA1	Message	Date
bot-backend	8436532bf4	feat(listings): card_hash column + snapshot-dedup on unchanged cards All checks were successful CI / changes (pull_request) Successful in 6s Details CI / backend-tests (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 Adds listings.card_hash (SHA-256 of volatile SERP-card fields) computed and stored on every scrape. Skips the redundant per-day listings_snapshots write when a listing's card is unchanged. listings.last_seen_at/is_active still bumped on every sighting (delisting TTL). Lays groundwork for detail-refresh gating (C2).	2026-06-18 22:01:54 +03:00