{"type":"rich","version":"1.0","author_name":"duende_satsero (npub1g2…a0gr4)","author_url":"https://nostr.ae/npub1g2p5fd59aa4vp8nskwmndrw4wu3p4sumrrup7egfwcvjy0zcrlrsva0gr4","provider_name":"njump","provider_url":"https://nostr.ae","html":"Great 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. 🤝"}