fix(core): options.json derivation references flake source without string context

modules/aspects.nix

@@ -7,5 +7,7 @@
   options.flake.denful = lib.mkOption {
     default = { };
     type = lib.types.attrsOf lib.types.raw;
+    internal = true;
+    visible = false;
   };
 }

nix/ctx-types.nix

@@ -27,6 +27,8 @@ let
     options.into = lib.mkOption {
       description = "Context transformations to other context types";
       type = intoType;
+      internal = true;
+      visible = false;
       default = _: { };
       apply = normalizeInto;
     };

nix/nixModule/ctx.nix

@@ -10,6 +10,8 @@ in
 {
   options.den.ctx = lib.mkOption {
     default = { };
+    internal = true;
+    visible = false;
     type = lib.types.lazyAttrsOf ctxTreeType;
   };
 }

nix/nixModule/lib.nix

@@ -7,6 +7,7 @@
 {
   config.den.lib = den-lib;
   options.den.lib = lib.mkOption {
+    default = { };
     internal = true;
     visible = false;
     type = lib.types.submodule { freeformType = lib.types.lazyAttrsOf lib.types.unspecified; };

nix/types.nix

@@ -56,6 +56,8 @@ let
             '';
             example = lib.literalExpression "inputs.nixpkgs.lib.nixosSystem";
             type = lib.types.raw;
+	    internal = true;
+	    visible = false;
             default =
               {
                 nixos = inputs.nixpkgs.lib.nixosSystem;
@@ -168,6 +170,8 @@ let
             example = lib.literalExpression ''inputs.nixpkgs.legacyPackages.''${home.system}'';
             type = lib.types.raw;
             default = inputs.nixpkgs.legacyPackages.${config.system};
+	    internal = true;
+	    visible = false;
           };
           instantiate = lib.mkOption {
             description = ''
@@ -183,6 +187,8 @@ let
             '';
             example = lib.literalExpression "inputs.home-manager.lib.homeManagerConfiguration";
             type = lib.types.raw;
+	    internal = true;
+	    visible = false;
             default =
               {
                 homeManager = inputs.home-manager.lib.homeManagerConfiguration;