Connects x402 (on-chain USDC via Base) and CRDT token system (Automerge cUSDC)
in both directions: on-chain payments auto-mint cUSDC to payer's DID, and users
can pay with cUSDC balance via new "crdt" payment scheme. 402 responses now
return both exact and crdt payment options.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Introduces CRDT-native token infrastructure stored as Automerge documents.
Seeds 5 cUSDC to user jeff on startup. Adds token API routes and a
"Local Tokens" section in the rWallet viewer.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>