these 4 derivations will be built:
  /nix/store/a0q96xha6grliyhynm7bzq7wyzpwkbmd-letta-code-src-with-lock.drv
  /nix/store/mqq1kdkry074gg05d5kd097mdy7i4189-letta-code-0.32.18-npm-deps.drv
  /nix/store/kffyal2f04lca02n4s46lpbpbaf5ms0m-letta-code-0.32.18.drv
  /nix/store/c2v3msj5qmprv2xy4f40mscrvcn36j97-check-letta-code.drv