Add an adapter
Support a new store platform.
Register the platform
Add the name to SourcePlatform in lib/source-identity.ts and its API path in types/store-config.ts.
Implement
Create a folder under app/api/mcp-transport/adapters/ implementing PlatformAdapter.
Wire it
Register it in adapters/index.ts. Add cart proof handling in tools/utils.ts if the platform uses guest proofs.
Test
Add tests for store IDs, cart proofs and wrong-store requests.