these 4 derivations will be built:
  /nix/store/9rbz9c380bjjw4png97dcp0igv8jwidi-letta-code-src-with-lock.drv
  /nix/store/k4z3k5gr4iw8wrbwda85w420i9xwi0hv-letta-code-0.33.8-npm-deps.drv
  /nix/store/f22fnbv3v97g00yla6121xpvn880jbhn-letta-code-0.33.8.drv
  /nix/store/qww50vr1r8ibx0bwir12160xl2s7nm0g-check-letta-code.drv