refactor(guest): retire legacy guest app and move shared modules

resources/js/shared/guest/components/legal-markdown.tsx

@@ -0,0 +1,31 @@
+import React from "react";
+
+type Props = {
+  markdown?: string;
+  html?: string;
+};
+
+export function LegalMarkdown({ markdown = '', html }: Props) {
+  const derived = React.useMemo(() => {
+    if (html && html.trim().length > 0) {
+      return html;
+    }
+
+    const escaped = markdown
+      .replace(/&/g, '&')
+      .replace(/</g, '&lt;')
+      .replace(/>/g, '&gt;');
+
+    return escaped
+      .split(/\n{2,}/)
+      .map((block) => `<p>${block.replace(/\n/g, '<br/>')}</p>`)
+      .join('\n');
+  }, [markdown, html]);
+
+  return (
+    <div
+      className="prose prose-sm max-w-none dark:prose-invert [&_:where(p,ul,ol,li)]:text-foreground [&_:where(h1,h2,h3,h4,h5,h6)]:text-foreground"
+      dangerouslySetInnerHTML={{ __html: derived }}
+    />
+  );
+}