these 4 derivations will be built:
  /nix/store/m0hy9aq00wknwxrxagg02h620y4n4vp9-letta-code-src-with-lock.drv
  /nix/store/58y7wj6kk6cyknvpwlms0s8gpqwhazj1-letta-code-0.34.18-npm-deps.drv
  /nix/store/frkkp8cb4g27rcnlj3gvxwfa3ljjgj4c-letta-code-0.34.18.drv
  /nix/store/j72f4mh9kmb2ylj8ppzd8bx3z4mqd6ip-check-letta-code.drv