Refactor(inventory): move prio 'introspection' into inventoryClass to minimize the 'clanInternals' api

lib/inventory/build-inventory/default.nix

@@ -33,6 +33,7 @@ let
             }) config.distributedServices.allMachines;
           }
         )
+        (lib.modules.importApply ./inventory-introspection.nix { inherit clanLib; })
       ];
     }).config;
 in

lib/inventory/build-inventory/inventory-introspection.nix

@@ -0,0 +1,17 @@
+{ clanLib }:
+{
+  config,
+  options,
+  lib,
+  ...
+}:
+{
+  options.introspection = lib.mkOption {
+    readOnly = true;
+    # TODO: use options.inventory instead of the evaluate config attribute
+    default =
+      builtins.removeAttrs (clanLib.introspection.getPrios { options = config.inventory.options; })
+        # tags are freeformType which is not supported yet.
+        [ "tags" ];
+  };
+}