- Creditcoin chains (mainnet 102030, testnet 102031) with $SPACE/$SPC tokens
- ProxyAdapter interface + SpaceRouterAdapter (parallel to PaymentAdapter)
- SpaceRouterClient orchestrator: signer + escrow + gateway + receipt scheduler
- TokenPaymentEscrow lifecycle (deposit/balance/withdrawal w/ 5-day timelock)
- Multi-signer abstraction: Keypair / OWS-bridge / Browser (viem WalletClient)
- PaymentClient.fetchWithPayment smart-fallback (direct -> 403/CF/429 -> proxy -> 402)
- PolicyEngine bandwidth rules + region/ipType filters + audit log integration
- Auto-managed escrow (minBalance / topUpAmount / claimThreshold / syncIntervalMs)
- Both export surfaces: root re-export + n-payment/spacerouter subpath
- 17 new unit tests, 141/141 total passing