Import source: app/src/embed

Import the existing local project snapshot. This commit organizes existing files; it does not represent newly developed functionality.

app/src/embed.jsx

@@ -0,0 +1,24 @@
+// Widget bootstrapper — reads URL path to render the correct widget.
+// URL format: /embed/{type}/{slug}
+// e.g. /embed/glossary/vector-database
+import { createRoot } from 'react-dom/client';
+import { GlossaryWidget } from './widgets/GlossaryWidget.jsx';
+import { ArticleCardWidget } from './widgets/ArticleCardWidget.jsx';
+import { CompanyWidget } from './widgets/CompanyWidget.jsx';
+
+const [, , type, slug] = window.location.pathname.split('/');
+
+function Widget() {
+  if (!type || !slug) {
+    return <div style={{ fontFamily: 'Vazirmatn,sans-serif', padding: 20, color: '#C62828', direction: 'rtl' }}>نوع ویجت نامعتبر است.</div>;
+  }
+  if (type === 'glossary') return <GlossaryWidget slug={slug} />;
+  if (type === 'article-card') return <ArticleCardWidget slug={slug} />;
+  if (type === 'company') return <CompanyWidget slug={slug} />;
+  return <div style={{ fontFamily: 'Vazirmatn,sans-serif', padding: 20, color: '#C62828', direction: 'rtl' }}>نوع ویجت «{type}» شناخته نشد.</div>;
+}
+
+const container = document.getElementById('widget-root');
+if (container) {
+  createRoot(container).render(<Widget />);
+}