(webui) REFACTOR: UI primitives and polish (#19551)

* webui: UI primitives and polish (non-MCP)

* chore: update webui build output

tools/server/webui/src/lib/components/app/actions/ActionIconCopyToClipboard.svelte

@@ -0,0 +1,18 @@
+<script lang="ts">
+	import { Copy } from '@lucide/svelte';
+	import { copyToClipboard } from '$lib/utils';
+
+	interface Props {
+		ariaLabel?: string;
+		canCopy?: boolean;
+		text: string;
+	}
+
+	let { ariaLabel = 'Copy to clipboard', canCopy = true, text }: Props = $props();
+</script>
+
+<Copy
+	class="h-3 w-3 flex-shrink-0 cursor-{canCopy ? 'pointer' : 'not-allowed'}"
+	aria-label={ariaLabel}
+	onclick={() => canCopy && copyToClipboard(text)}
+/>