feat: add webpush and sadhna tracker

app/api/og/profile/[handle]/route.tsx

@@ -1,3 +1,5 @@
+/* eslint-disable @next/next/no-img-element -- Satori (ImageResponse) only
+   renders raw <img>; next/image doesn't work inside OG image generation. */
 /**
  * OG card for a user profile (`/u/<handle>`).
  *
@@ -109,6 +111,7 @@ export async function GET(
           >
             {profile.avatar_url ? (
               <img
+                alt=""
                 src={profile.avatar_url}
                 width={220}
                 height={220}