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

src/shared/ui/TechText/TechText.svelte

@@ -3,13 +3,13 @@
     Monospace <code> element for technical values, measurements, identifiers.
 -->
 <script lang="ts">
-import { cn } from '$shared/shadcn/utils/shadcn-utils';
 import {
     type LabelSize,
     type LabelVariant,
     labelSizeConfig,
     labelVariantConfig,
 } from '$shared/ui/Label/config';
+import clsx from 'clsx';
 import type { Snippet } from 'svelte';
 
 interface Props {
@@ -42,7 +42,7 @@ let {
 </script>
 
 <code
-    class={cn(
+    class={clsx(
         'font-mono tracking-tight tabular-nums',
         labelSizeConfig[size],
         labelVariantConfig[variant],