Trailing window backed by SyncRecordStore dedup is strictly better than a single-day window — a single missed cron run with Last Business Day loses that day's activity permanently. SyncRecordStore is keyed by ibkr:trade:<tradeID> / ibkr:cash:<transactionID>, so overlapping pulls are no-ops. Caught during the brainstorming review. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> |
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| 2026-05-26-ibkr-flex-ingestion.md | ||