Cost monitoring, PTT fix, Devon tuning, WEIRD pool expansion, YT thumbnails, LLM SEO, publish ep37

- Add real-time LLM/TTS cost tracking with live status bar display and post-show reports
- Fix PTT bug where Devon suggestion layout shift stopped recording via mouseleave
- Devon: facts-only during calls, full personality between calls
- Double WEIRD topic pool (109→203), bump weight to 14-25%
- Auto-generate YouTube thumbnails with bold hook text in publish pipeline
- LLM SEO: llms.txt, robots.txt for LLM crawlers, structured data, BreadcrumbList schemas
- Publish episode 37

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

website/_worker.js

@@ -58,6 +58,34 @@ export default {
       return new Response("Feed unavailable", { status: 502 });
     }
 
+    // Plausible analytics proxy (bypass ad blockers)
+    if (url.pathname === "/p/script") {
+      const resp = await fetch("https://plausible.macneilmediagroup.com/js/script.file-downloads.hash.outbound-links.pageview-props.revenue.tagged-events.js");
+      return new Response(await resp.text(), {
+        headers: {
+          "Content-Type": "application/javascript",
+          "Cache-Control": "public, max-age=86400",
+        },
+      });
+    }
+
+    if (url.pathname === "/p/event" && request.method === "POST") {
+      const body = await request.text();
+      const resp = await fetch("https://plausible.macneilmediagroup.com/api/event", {
+        method: "POST",
+        headers: {
+          "Content-Type": "application/json",
+          "User-Agent": request.headers.get("User-Agent") || "",
+          "X-Forwarded-For": request.headers.get("CF-Connecting-IP") || request.headers.get("X-Forwarded-For") || "",
+        },
+        body,
+      });
+      return new Response(resp.body, {
+        status: resp.status,
+        headers: { "Content-Type": resp.headers.get("Content-Type") || "text/plain" },
+      });
+    }
+
     // All other requests — serve static assets
     return env.ASSETS.fetch(request);
   },