vjrj f17ae7751c perf(market): paginate Nostr offer discovery, infinite scroll, memory cap ... Bound market memory and let large areas page instead of loading everything: - DiscoveryQuery gains an until cursor; OfferTransport gains discoverPage() (one-shot, EOSE-bounded, newest-first) alongside the existing live discover() stream, which now accepts since so it only carries NEW offers going forward. - NostrOfferTransport.discoverPage sorts by created_at desc and derives the next cursor from the oldest event seen (not the oldest type-matched one, so filtering never skips a page). - OffersCubit: discover() fetches the first page + opens a since=now live sub; loadNextPage() pages further back; the in-memory list is capped at 400 offers (each can carry a ~40KB inline photo thumbnail, so unbounded growth in a busy area was a real OOM risk). - market_screen: infinite scroll via a scroll-position trigger + footer spinner, instead of a single unbounded ListView. - Added discoverPage unit tests (commons_core) and cubit pagination tests (first page/cursor, accumulation, cap, cross-page dedup).		2026-07-20 22:53:48 +02:00
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src	perf(market): paginate Nostr offer discovery, infinite scroll, memory cap	2026-07-20 22:53:48 +02:00
commons_core.dart	feat(social): add SavedSearch model with shared offer matcher	2026-07-17 13:18:29 +02:00