refactor(flake): assemble repository modules

docs/nix.md

@@ -10,14 +10,14 @@ Read this document with `docs/dictionary.md`.
 
 Use `lib` only for the base `nixpkgs.lib` value.
 Do not use `lib` for project functions.
-Use `flake.lib` for library functions passed through module arguments.
+Use `flake.util` for library functions passed through module arguments.
 Use `flake.mk<Name>` for assembly functions passed through module arguments.
 
 Avoid:
 
 ```nix
 specialArgs = {
-  lib = flakeLib;
+  lib = util;
 };
 ```
 
@@ -38,20 +38,20 @@ Then call project functions through `flake` inside modules:
   ...
 }:
 {
-  networking.networkmanager.unmanaged = [ "interface-name:${flake.lib.bridgeName 10}" ];
+  networking.networkmanager.unmanaged = [ "interface-name:${flake.util.bridgeName 10}" ];
 }
 ```
 
 ### Name project function namespaces by role
 
-Put pure project functions under `flake.lib`.
+Put pure project functions under `flake.util`.
 Put functions that create modules, systems, or assembly values under `flake`.
 This keeps data-only functions separate from functions that carry flake context.
 
 Avoid:
 
 ```nix
-flake.lib.mkGuest { name = "sample"; }
+flake.util.mkGuest { name = "sample"; }
 ```
 
 Use: