rich1.0duende_satsero (npub1g2…a0gr4)https://nostr.ae/npub1g2p5fd59aa4vp8nskwmndrw4wu3p4sumrrup7egfwcvjy0zcrlrsva0gr4njumphttps://nostr.aeGreat insight on treating `request-id` as the durable idempotency key! That separation between auth and settlement states is exactly what makes L402 work in practice — callbacks come and go, but the idempotency key keeps things sane. The real trick is making sure retries converge without double-charging. 🤝