fix: address fifth round of PR review comments

- Add title and loading="lazy" to AuthKit iframe embeds
- Fix /llms.txt → /snap/llms.txt link in agents page
- Remove non-existent /markdown-content reference from agents page
- Add outputFileTracingIncludes for snap MDX files in Vercel bundle

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: rishavmukherji

next.config.ts

@@ -4,6 +4,9 @@ import remarkGfm from "remark-gfm";
 
 const nextConfig: NextConfig = {
   pageExtensions: ["ts", "tsx", "md", "mdx"],
+  outputFileTracingIncludes: {
+    "/snap/llms.txt": ["./src/app/(docs)/snap/**/page.mdx"],
+  },
 };
 
 const withMDX = createMDX({

src/app/(docs)/auth-kit/examples/page.mdx

@@ -4,14 +4,14 @@
 
 A frontend-only app that lets users Sign in with Farcaster and shows them their profile picture and username.
 
-<iframe src="https://farcaster-auth-kit-vite-demo.replit.app/" width="700" height="500" />
+<iframe src="https://farcaster-auth-kit-vite-demo.replit.app/" width="700" height="500" title="AuthKit client-side demo" loading="lazy" />
 
 [Try Demo](https://farcaster-auth-kit-vite-demo.replit.app/) | [View Source](https://github.com/farcasterxyz/connect-monorepo/tree/main/examples/frontend-only)
 
 ## Server Side
 
 A Next.js app that lets users Sign in with Farcaster and handles sessions server-side.
 
-<iframe src="https://farcaster-auth-kit-next-auth-demo.replit.app/" width="700" height="500" />
+<iframe src="https://farcaster-auth-kit-next-auth-demo.replit.app/" width="700" height="500" title="AuthKit server-side demo" loading="lazy" />
 
 [Try Demo](https://farcaster-auth-kit-next-auth-demo.replit.app/) | [View Source](https://github.com/farcasterxyz/connect-monorepo/tree/main/examples/with-next-auth)

src/app/(docs)/auth-kit/page.mdx

@@ -4,7 +4,7 @@
 
 AuthKit is a React library that lets users log in to your app with a Farcaster account.
 
-<iframe src="https://farcaster-auth-kit-vite-demo.replit.app/" width="700" height="500" />
+<iframe src="https://farcaster-auth-kit-vite-demo.replit.app/" width="700" height="500" title="AuthKit Sign In demo" loading="lazy" />
 
 Click "Sign in With Farcaster" above to try it out on web or click [here](https://sign-in-with-farcaster-demo.replit.app/) for mobile.
 

src/app/(docs)/snap/agents/page.mdx

@@ -7,10 +7,9 @@ Snaps.
 
 The full docs are available in machine-readable form:
 
-- **[/llms.txt](/llms.txt)** — all documentation concatenated into a single plain-text
-  file, suitable for pasting into a context window or fetching at the start of a session
-- **`/markdown-content/<slug>`** — individual pages as plain markdown (e.g.
-  `/markdown-content/elements`, `/markdown-content/buttons`)
+- **[/snap/llms.txt](/snap/llms.txt)** — all snap documentation concatenated into a single
+  plain-text file, suitable for pasting into a context window or fetching at the start of
+  a session
 
 ## Creating a snap with an agent