Stabilize feed order with a deterministic signal-score tiebreaker

Equal-score stories reshuffled on every pull-to-refresh because the sort
was unstable. Add StorySummary.feedOrder (signalScore desc, then id desc,
mirroring the backend's signal_score DESC, id DESC) and use it for the feed,
the WebSocket re-sort, and the Saved/Search tabs.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Robin Kutesa
2026-06-18 23:33:22 +03:00
parent 1e582f5120
commit 9662c2abf6
4 changed files with 16 additions and 5 deletions

View File

@@ -34,12 +34,12 @@ struct SignalFeedView: View {
/// Live stories when online; cached fallback when the feed is empty & offline.
private var displayStories: [StorySummary] {
if !store.stories.isEmpty {
return store.stories.sorted { $0.signalScore > $1.signalScore }
return store.stories.sorted(by: StorySummary.feedOrder)
}
if !ws.connectionState.isLive {
return cachedStories
.map(StorySummary.init(cached:))
.sorted { $0.signalScore > $1.signalScore }
.sorted(by: StorySummary.feedOrder)
}
return []
}