chore: rename AppSidebar to FiltersSidebar

src/widgets/AppSidebar/index.ts

@@ -1,3 +0,0 @@
-import AppSidebar from './ui/AppSidebar.svelte';
-
-export { AppSidebar };

src/widgets/FiltersSidebar/index.ts

@@ -0,0 +1,3 @@
+import FiltersSidebar from './ui/FiltersSidebar.svelte';
+
+export { FiltersSidebar };

src/widgets/FiltersSidebar/ui/FiltersSidebar.svelte

@@ -1,6 +1,6 @@
 <script lang="ts">
 /**
- * AppSidebar Component
+ * FiltersSidebar Component
  *
  * Main application sidebar widget. Contains filter controls and action buttons
  * for font filtering operations. Organized into two sections: