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

WebApp/src/lib/components/ui/alert/alert-title.svelte

@@ -0,0 +1,23 @@
+<script lang="ts">
+	import type { HTMLAttributes } from "svelte/elements";
+	import { cn, type WithElementRef } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLDivElement>> = $props();
+</script>
+
+<div
+	bind:this={ref}
+	data-slot="alert-title"
+	class={cn(
+		"font-medium group-has-[>svg]/alert:col-start-2 [&_a]:hover:text-foreground [&_a]:underline [&_a]:underline-offset-3",
+		className
+	)}
+	{...restProps}
+>
+	{@render children?.()}
+</div>