Initial commit of Descrybe v2 without local scratch artifacts.

Drop one-shot tmp/axe scripts and agent i18n scratch so the Gitea tree is deployable.

apps/web/src/lib/components/site/SeoHead.svelte

@@ -0,0 +1,37 @@
+<script lang="ts">
+	import { page } from "$app/state";
+	import { SITE_NAME, type PageSeo } from "$lib/seo";
+
+	let {
+		title,
+		description,
+		path,
+		image = "/descrybe_preview.png",
+		imageAlt = "Descrybe product catalog preview",
+		type = "website"
+	}: PageSeo & { type?: string } = $props();
+
+	const origin = $derived(page.url.origin);
+	const canonical = $derived(`${origin}${path}`);
+	const imageUrl = $derived(image.startsWith("http") ? image : `${origin}${image}`);
+</script>
+
+<svelte:head>
+	<title>{title}</title>
+	<meta name="description" content={description} />
+	<link rel="canonical" href={canonical} />
+
+	<meta property="og:type" content={type} />
+	<meta property="og:site_name" content={SITE_NAME} />
+	<meta property="og:title" content={title} />
+	<meta property="og:description" content={description} />
+	<meta property="og:url" content={canonical} />
+	<meta property="og:image" content={imageUrl} />
+	<meta property="og:image:alt" content={imageAlt} />
+
+	<meta name="twitter:card" content="summary_large_image" />
+	<meta name="twitter:title" content={title} />
+	<meta name="twitter:description" content={description} />
+	<meta name="twitter:image" content={imageUrl} />
+	<meta name="twitter:image:alt" content={imageAlt} />
+</svelte:head>