feat: KYC attribute proof hook with trust402 integration#7
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- Agent: KycCredential types, buildKycCredential/buildIdentityArtifact - Worker: KYC verification (hasRole/hasScope/hasPermission), /kyc-check endpoint - Predefined gates: basic, amlCompliance, stablecoinPayment, stablecoinIssuance, institutional - Mock implementations for @trust402/identity, @trust402/protocol, @trust402/roles - 55 tests passing
- Add trust402 as git submodule (vendors/trust402) - Configure pnpm workspace to include trust402 packages - Replace mock implementations with real @trust402/identity + @trust402/protocol - Agent: buildIdentityArtifact() uses register() + prove() from trust402 - Worker: extractIdentityArtifact() from X-PAYMENT-IDENTITY header (Base64) - Add .env.example for local development - Delete packages/agent/src/mocks/ (replaced by real trust402 imports) - 61 tests passing, TypeScript strict compilation OK
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Summary
Proof-before-payment: agent attaches identity proof via
X-PAYMENT-IDENTITYheader, worker verifies KYC attributes before granting access.Phase 1 (commit 34c2ecb)
Phase 2 (commit 423d4d1)
Header Design
PAYMENT-SIGNATURE— x402 standard payment payload (unchanged)X-PAYMENT-IDENTITY— Base64-encoded JSON { commitOutput, identityProof, docHash, credential }Test Results
Related: D2 KYC attribute proof hook for PPSI article (Z2) demo