Add social-share meta tags to app SPA

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: bchapuis

apps/app/index.html

@@ -4,6 +4,27 @@
     <meta charset="UTF-8" />
     <link rel="icon" type="image/svg+xml" href="/icon.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Dafthunk</title>
+    <meta
+      name="description"
+      content="Open source, serverless visual workflow automation with AI on Cloudflare. MIT licensed."
+    />
+    <meta property="og:type" content="website" />
+    <meta property="og:site_name" content="Dafthunk" />
+    <meta property="og:title" content="Dafthunk" />
+    <meta
+      property="og:description"
+      content="Open source, serverless visual workflow automation with AI on Cloudflare. MIT licensed."
+    />
+    <meta property="og:url" content="https://app.dafthunk.com" />
+    <meta property="og:image" content="https://app.dafthunk.com/og-image.webp" />
+    <meta name="twitter:card" content="summary_large_image" />
+    <meta name="twitter:title" content="Dafthunk" />
+    <meta
+      name="twitter:description"
+      content="Open source, serverless visual workflow automation with AI on Cloudflare. MIT licensed."
+    />
+    <meta name="twitter:image" content="https://app.dafthunk.com/og-image.webp" />
     <link rel="preconnect" href="https://rsms.me" />
     <link rel="stylesheet" href="https://rsms.me/inter/inter.css" />
   </head>