feat(webapp): redesign dashboard with shadcn-style UI shell

WebApp/src/lib/components/ui/dropdown-menu/dropdown-menu-item.svelte

@@ -0,0 +1,27 @@
+<script lang="ts">
+	import { cn } from "$lib/utils.js";
+	import { DropdownMenu as DropdownMenuPrimitive } from "bits-ui";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		inset,
+		variant = "default",
+		...restProps
+	}: DropdownMenuPrimitive.ItemProps & {
+		inset?: boolean;
+		variant?: "default" | "destructive";
+	} = $props();
+</script>
+
+<DropdownMenuPrimitive.Item
+	bind:ref
+	data-slot="dropdown-menu-item"
+	data-inset={inset}
+	data-variant={variant}
+	class={cn(
+		"focus:bg-accent focus:text-accent-foreground data-[variant=destructive]:text-destructive data-[variant=destructive]:focus:bg-destructive/10 dark:data-[variant=destructive]:focus:bg-destructive/20 data-[variant=destructive]:focus:text-destructive data-[variant=destructive]:*:[svg]:text-destructive not-data-[variant=destructive]:focus:**:text-accent-foreground gap-1.5 rounded-md px-1.5 py-1 text-sm data-inset:pl-7 [&_svg:not([class*='size-'])]:size-4 group/dropdown-menu-item relative flex cursor-default items-center outline-hidden select-none data-disabled:pointer-events-none data-disabled:opacity-50 data-[inset]:pl-8 [&_svg]:pointer-events-none [&_svg]:shrink-0",
+		className
+	)}
+	{...restProps}
+/>