Plan guidance: receipt_build ~$0.02–0.10 · dispute_evidence + the HTTP retainer far higher · escrow bps-on-volume + arbitration fee. Calibrate to the observed ~$0.86 average settlement and to the RC-E1.3 cost basis (registry-cache hit-rate × avoided clone cost is the margin; the flush cadence, not the crypto, is the wall).
Shipped: the receipts-api price_book (per-account per-op cents) + retainer used-vs-included/overage math on GET /v1/usage — pricing is data, no code change needed once decided.
Plan guidance: receipt_build ~$0.02–0.10 · dispute_evidence + the HTTP retainer far higher · escrow bps-on-volume + arbitration fee. Calibrate to the observed ~$0.86 average settlement and to the RC-E1.3 cost basis (registry-cache hit-rate × avoided clone cost is the margin; the flush cadence, not the crypto, is the wall).
Shipped: the receipts-api
price_book(per-account per-op cents) + retainer used-vs-included/overage math on GET /v1/usage — pricing is data, no code change needed once decided.