these 4 derivations will be built:
  /nix/store/bj3vini7j3kvjq6kp624f9bncsg79rkh-letta-code-src-with-lock.drv
  /nix/store/3aslaj1w4ybdzyyvgf039g4c0j7mmwch-letta-code-0.33.0-npm-deps.drv
  /nix/store/7il476z5hcr85jsb961lv96qk41sncjq-letta-code-0.33.0.drv
  /nix/store/51if8mgavzrnnhmzfw3plvshsgisfbd7-check-letta-code.drv