Verify an agent-commerce evidence bundle before trusting a paid result. Checks x402 challenge, receipt, policy-decision, and service-response artifacts; endpoint, method, network, payTo, and price binding; artifact source, freshness, hashes, and synthetic-proof leakage. Returns verified / needs_review / rejected / insufficient_evidence with per-rule evidence. Deterministic — loop it over every paid call in an agent run.

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