fix: use privacy-friendly YouTube embed, make mobileTall optional

Author: AmanVarshney01

apps/site/src/app/mcp/_components/mcp-capabilities-section.tsx

@@ -5,7 +5,7 @@ export type McpCapability = {
   title: string;
   description: string;
   prompt: string;
-  mobileTall: boolean;
+  mobileTall?: boolean;
 };
 
 export function McpCapabilitiesSection({

apps/site/src/app/mcp/_components/mcp-video-section.tsx

@@ -5,10 +5,11 @@ export function McpVideoSection() {
         <div className="relative aspect-video w-full">
           <iframe
             className="size-full"
-            src="https://www.youtube.com/embed/jFm41OPnOUc"
+            src="https://www.youtube-nocookie.com/embed/jFm41OPnOUc"
             title="Prisma MCP video"
             allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
             referrerPolicy="strict-origin-when-cross-origin"
+            loading="lazy"
             allowFullScreen
           />
         </div>