Transaction Deduplicator Table of Contents - Overview - Input contract - The dedupe key - Workflow - Near-duplicate handling - Output contract - Guardrails Overview Statement drops often overlap. A January statement covers December 15 → January 14; the December statement covers November 15 → December 14; the same December 15 transaction appears in both. This skill identifies those duplicates without losing legitimate same-day same-amount same-merchant repeat charges (e.g., two coffees in one day). Input contract The caller provides: - — array of newly extracted transactions: . - — array of tr…