feat: comprehensive SEO — meta tags, OG, Twitter cards, JSON-LD, sitemap, robots, llms.txt

Adds metadataBase, full OpenGraph + Twitter card tags, keywords,
JSON-LD structured data (SoftwareApplication + Organization),
sitemap.ts, robots.ts with AI crawler directives, and llms.txt
for AI agent discoverability.

apps/web/src/app/layout.tsx

@@ -5,8 +5,63 @@ import "./globals.css";
 const inter = Inter({ subsets: ["latin"] });
 
 export const metadata: Metadata = {
-  title: "AgentLens",
-  description: "Agent observability that traces decisions, not just API calls",
+  metadataBase: new URL("https://agentlens.vectry.tech"),
+  title: {
+    default: "AgentLens — Agent Observability Platform",
+    template: "%s | AgentLens",
+  },
+  description:
+    "Open-source agent observability that traces decisions, not just API calls. Monitor AI agent reasoning, tool selection, and routing in real-time.",
+  keywords: [
+    "agent observability",
+    "AI monitoring",
+    "LLM tracing",
+    "agent decisions",
+    "AI debugging",
+    "tool selection tracing",
+    "multi-agent observability",
+    "open source",
+  ],
+  authors: [{ name: "Vectry" }],
+  creator: "Vectry",
+  openGraph: {
+    type: "website",
+    locale: "en_US",
+    url: "https://agentlens.vectry.tech",
+    siteName: "AgentLens",
+    title: "AgentLens — Agent Observability Platform",
+    description:
+      "Open-source agent observability that traces decisions, not just API calls. Monitor AI agent reasoning, tool selection, and routing in real-time.",
+    images: [
+      {
+        url: "/og-image.png",
+        width: 1200,
+        height: 630,
+        alt: "AgentLens — Agent Observability Platform",
+      },
+    ],
+  },
+  twitter: {
+    card: "summary_large_image",
+    title: "AgentLens — Agent Observability Platform",
+    description:
+      "Open-source agent observability that traces decisions, not just API calls. Monitor AI agent reasoning, tool selection, and routing in real-time.",
+    images: ["/og-image.png"],
+  },
+  robots: {
+    index: true,
+    follow: true,
+    googleBot: {
+      index: true,
+      follow: true,
+      "max-video-preview": -1,
+      "max-image-preview": "large",
+      "max-snippet": -1,
+    },
+  },
+  alternates: {
+    canonical: "https://agentlens.vectry.tech",
+  },
 };
 
 export default function RootLayout({

apps/web/src/app/page.tsx

@@ -20,6 +20,43 @@ import {
 export default function HomePage() {
   return (
     <div className="min-h-screen bg-neutral-950">
+      <script
+        type="application/ld+json"
+        dangerouslySetInnerHTML={{
+          __html: JSON.stringify({
+            "@context": "https://schema.org",
+            "@type": "SoftwareApplication",
+            name: "AgentLens",
+            applicationCategory: "DeveloperApplication",
+            operatingSystem: "Web",
+            url: "https://agentlens.vectry.tech",
+            description:
+              "Open-source agent observability platform that traces AI agent decisions, not just API calls.",
+            offers: { "@type": "Offer", price: "0", priceCurrency: "USD" },
+            featureList: [
+              "Agent Decision Tracing",
+              "Real-time Dashboard",
+              "OpenAI Integration",
+              "LangChain Integration",
+              "Self-hosting Support",
+              "Python SDK",
+            ],
+          }),
+        }}
+      />
+      <script
+        type="application/ld+json"
+        dangerouslySetInnerHTML={{
+          __html: JSON.stringify({
+            "@context": "https://schema.org",
+            "@type": "Organization",
+            name: "Vectry",
+            url: "https://vectry.tech",
+            logo: "https://vectry.tech/static/img/logo-icon.png",
+            sameAs: ["https://gitea.repi.fun/repi/agentlens"],
+          }),
+        }}
+      />
       {/* Hero Section */}
       <section className="relative overflow-hidden border-b border-neutral-800/50">
         <div className="absolute inset-0 bg-gradient-to-b from-emerald-500/5 via-transparent to-transparent" />

apps/web/src/app/robots.ts

@@ -0,0 +1,22 @@
+import { MetadataRoute } from "next";
+
+export default function robots(): MetadataRoute.Robots {
+  return {
+    rules: [
+      { userAgent: "GPTBot", allow: "/" },
+      { userAgent: "ChatGPT-User", allow: "/" },
+      { userAgent: "ClaudeBot", allow: "/" },
+      { userAgent: "PerplexityBot", allow: "/" },
+      { userAgent: "Applebot-Extended", allow: "/" },
+      { userAgent: "CCBot", disallow: "/" },
+      { userAgent: "Google-Extended", disallow: "/" },
+      { userAgent: "Bytespider", disallow: "/" },
+      {
+        userAgent: "*",
+        allow: "/",
+        disallow: ["/api/", "/dashboard/"],
+      },
+    ],
+    sitemap: "https://agentlens.vectry.tech/sitemap.xml",
+  };
+}

apps/web/src/app/sitemap.ts

@@ -0,0 +1,9 @@
+import { MetadataRoute } from "next";
+
+export default function sitemap(): MetadataRoute.Sitemap {
+  const baseUrl = "https://agentlens.vectry.tech";
+  return [
+    { url: baseUrl, lastModified: new Date(), changeFrequency: "weekly", priority: 1.0 },
+    { url: `${baseUrl}/dashboard`, lastModified: new Date(), changeFrequency: "daily", priority: 0.8 },
+  ];
+}