these 3 derivations will be built:
  /nix/store/6yijhg8dmfpy05sklaz6fxfld581i9x2-letta-code-src-with-lock.drv
  /nix/store/8d325qigm65g7lwk0a1p5ak1yx41715p-letta-code-0.31.8-npm-deps.drv
  /nix/store/02ba3prv9biycx14qdlwmpccliq5kvyl-letta-code-0.31.8.drv