Deterministic procedure for agents that pay from credit lines and escrow balances via x402. Inputs: per-line caps and ra

Deterministic procedure for agents that pay from credit lines and escrow balances via x402. Inputs: per-line caps and rates, current utilization, payment amount, due date, evaluation verdicts on delivered work, escrow state. Decides which line a payment draws against, tracks utilization after draw, flags top-up when utilization crosses 70% warning and 95% hard ceiling, wires evaluation verdicts into settlement: full pass releases, fail reduces settlement by defined ratio, partial pass prorates.