these 4 derivations will be built:
  /nix/store/1vjs7ymk4fxa0hi25wka2cbvla5hw3cj-letta-code-src-with-lock.drv
  /nix/store/84br2b6n9pnmvkwb0g18b9qx5g6kiv69-letta-code-0.33.4-npm-deps.drv
  /nix/store/3dwvxvgry304wvak19vkbr1yw9cp0dnq-letta-code-0.33.4.drv
  /nix/store/lgsz4vcrqbajh6bd8f6h1kj94cw2c2bj-check-letta-code.drv