chore: purge shadcn from codebase. Replace with bits-ui components and other tools

src/shared/ui/Badge/Badge.svelte

@@ -3,11 +3,11 @@
     Pill badge with border and optional status dot.
 -->
 <script lang="ts">
-import { cn } from '$shared/shadcn/utils/shadcn-utils';
 import {
     type LabelSize,
     labelSizeConfig,
 } from '$shared/ui/Label/config';
+import clsx from 'clsx';
 import type { Snippet } from 'svelte';
 import type { HTMLAttributes } from 'svelte/elements';
 
@@ -64,7 +64,7 @@ let {
 </script>
 
 <span
-    class={cn(
+    class={clsx(
         'inline-flex items-center gap-1 px-2 py-0.5 border rounded-full',
         'font-mono uppercase tracking-wide',
         labelSizeConfig[size],