RegEvidenceHub Waste pricing

• waste_rule_preflight — $0.02 USDC
• carrier_broker_dealer_registration_preflight — $0.02 USDC
• digital_waste_tracking_receipt_readiness — $0.03 USDC
• permit_change_impact — $0.03 USDC

x402 v2 on Base mainnet when payment is enabled.