Paid agent-facing brief on agent-side pre-dispute evidence bundling across the three-layer agent stack (x402 payment rec

Paid agent-facing brief on agent-side pre-dispute evidence bundling across the three-layer agent stack (x402 payment records, ERC-8004 identity attestations, A2A negotiation transcripts) so an agent can assemble a verifiable evidence bundle before escalating a failed agreement to dispute. Blunt decision procedure, not marketing.