Documentation

• docs/PRD.md — product requirements
• docs/DESIGN.md — visual system
• docs/ARCHITECTURE.md — system architecture
• docs/SECURITY.md — security model
• docs/RUNBOOK.md — operations

Integration disclosures

• SoSoValue: authenticated market data (API key required for live)
• ValueChain testnet chain ID 138565
• SoDEX Spot testnet only — no perpetuals
• SSI: compatibility packages only; issuance is permissioned