refactor(createFilter): createFilterStore rewrote to runes

src/features/FilterFonts/lib/filterManager/filterManager.svelte.ts

@@ -1,7 +1,4 @@
-import {
-    type Filter,
-    createFilter,
-} from '$shared/lib/utils';
+import { createFilter } from '$shared/lib';
 import type { FilterGroupConfig } from '../../model/const/types/common';
 
 /**
@@ -22,14 +19,6 @@ export function createFilterManager(configs: FilterGroupConfig[]) {
         groups.some(group => group.instance.selectedProperties.length > 0),
     );
 
-    // Derived: total count across all groups
-    const totalSelectedCount = $derived(
-        groups.reduce(
-            (acc, group) => acc + group.instance.selectedProperties.length,
-            0,
-        ),
-    );
-
     return {
         // Direct array reference (reactive)
         get groups() {
@@ -40,9 +29,6 @@ export function createFilterManager(configs: FilterGroupConfig[]) {
         get hasAnySelection() {
             return hasAnySelection;
         },
-        get totalSelectedCount() {
-            return totalSelectedCount;
-        },
 
         // Global action
         deselectAllGlobal: () => {