perf(mobile): omit duplicated turn items from bounded thread snapshots (#15385)

Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
28f5516a9aJulius Marminge committed on 10/8/2026, 5:30:47 AM· committed by GitHubparent6053a78
15 files changedLine totals unavailable