Start in-process nats-server on VERAE_NATS_LISTEN (default 127.0.0.1:4223;
empty disables). Queue-subscribe verae.ts.request|verify|hash.report with
ledger/veraetime routing and authctx.Resolve from authorization/access_token.
Publish verae.ts.completed on core NATS only (no JetStream). Wire embed into
main alongside Streamable HTTP; stdio MCP via go-sdk StdioTransport.