these 3 derivations will be built:
  /nix/store/l2j1pfrka4c6zgpnhs4gxxgy0b3wz52d-letta-code-src-with-lock.drv
  /nix/store/1kk1psf26m2frkhpl1wcccypa26f7a2m-letta-code-0.31.7-npm-deps.drv
  /nix/store/wq5hsccgjfg61sgrylc59q2yz62gapy5-letta-code-0.31.7.drv