+Gmail scanning — connects via OAuth, finds sent emails with no reply after a configurable quiet period.
+AI follow-up drafting with confidence stamps — three independent variants are generated and compared. Strong agreement earns the Sure stamp; disagreement flags it as Check this.
+Review queue — approve, edit, reject, or send each draft. Nothing leaves your inbox without an explicit click.
+Grounding veto — any draft that references details not present in your original email (invented dates, prices, or conversations) is automatically forced to Check this. No exceptions.
+Reply-before-send detection — threads are re-checked at the moment of sending. If a reply arrived while the follow-up was queued, the send is cancelled automatically.