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

src/shared/ui/Label/Label.svelte

@@ -3,7 +3,7 @@
     Inline monospace label. The base primitive for all micrographic text.
 -->
 <script lang="ts">
-import { cn } from '$shared/shadcn/utils/shadcn-utils';
+import clsx from 'clsx';
 import type { Snippet } from 'svelte';
 import {
     type LabelFont,
@@ -72,7 +72,7 @@ let {
 </script>
 
 <span
-    class={cn(
+    class={clsx(
         'font-mono tracking-widest leading-none',
         'inline-flex items-center gap-1.5',
         font === 'primary' && 'font-primary tracking-tight',