error:
       … while evaluating the attribute 'optionalValue.value'
         at «github:nixos/nixpkgs/d407951447dcd00442e97087bf374aad70c04cea?narHash=sha256-8i/87eeoqiGE4yOTjwSA3Eh/ziJRQEmd/unYU%2BK27sk%3D»/lib/modules.nix:1312:5:
         1311|
         1312|     optionalValue = if isDefined then { value = mergedValue; } else { };
             |     ^
         1313|   };

       … while evaluating a branch condition
         at «github:nixos/nixpkgs/d407951447dcd00442e97087bf374aad70c04cea?narHash=sha256-8i/87eeoqiGE4yOTjwSA3Eh/ziJRQEmd/unYU%2BK27sk%3D»/lib/modules.nix:1312:21:
         1311|
         1312|     optionalValue = if isDefined then { value = mergedValue; } else { };
             |                     ^
         1313|   };

       … while evaluating definitions from `/nix/store/xfg4bws749i95jvnxhymxmfwailzk38q-source/modules/transposition.nix':

       … while evaluating the option `perSystem.aarch64-linux.checks':

       … while evaluating definitions from `/nix/store/9166rgkbhqvm6pyzr39lxxc2vxs35mmi-source/modules/flake-parts/treefmt.nix, via option perSystem':

       … while evaluating the module argument `pkgs' in "/nix/store/ifpab9hxqmk2biwy594da8ipxzsp3y4s-source/nixos/modules/services/hardware/bluetooth.nix":

       … noting that argument `pkgs` is not externally provided, so querying `_module.args` instead, requiring `config`

       … while evaluating the option `nixpkgs.overlays':

       … while evaluating definitions from `/nix/store/9166rgkbhqvm6pyzr39lxxc2vxs35mmi-source/modules/nixos/common/base/nixpkgs.nix, via option flake.modules.nixos.base':

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: attribute 'overlays' missing
       at /var/lib/nixbot/worktrees/5055-afac3156a67f-9f045d5d/modules/nixos/common/base/nixpkgs.nix:8:11:
            7|           self.overlays.default
            8|           inputs.llm-agents.overlays.default
             |           ^
            9|         ]