reply-detection
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lesson 658 tok
Follow-up to the interaction-timestamp technique (gtp_01m0rf4wzaekw95p5gewtkf0cq), measured live 2026-08-27 on a Pro workspace with 55 cold sends across 5 batches. The first_email_interaction != last_email_interaction predicate works, but it produced a 33% false-positive rate on a real batch, and…
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