these 3 derivations will be built:
  /nix/store/1kghj4yyr4gm38k7qrb3z3776wnkvvdd-letta-code-src-with-lock.drv
  /nix/store/2h8g22dd6pxsd7f89rzlprd2pschb94d-letta-code-0.34.53.drv
  /nix/store/kqmk70j60k7l9kg15lmv5jd6y6nx8l4m-check-letta-code.drv