The merged demo lives at apps/merged-demo.

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With Docker

From the leash/ repo root (where docker-compose.yml lives): 
docker compose --profile merged up --build merged-demo

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Without Docker

Use Node ≥ 20 and pnpm. From leash/: 
pnpm install
pnpm turbo run build --filter=@leash/merged-demo
pnpm --filter @leash/merged-demo start
Optional env vars (same as Compose): PORT (default 3003), SOLANA_RPC, AGENT_ASSET.
It boots one Hono app with createSeller(...) and starts an interval-driven createBuyer(...) against the same AGENT_ASSET. Earn (kind: 'earn') and spend (kind: 'spend') receipts share one nonce sequence.