scan-flow: geolocation scan, location-aware SMS throttle (log sender), finder contact, sms_enabled toggle, branding — 19/19 phase-2 scenarios pass

frontend/templates/not-found.html

@@ -2,7 +2,7 @@
 <div class="mx-auto max-w-md text-center">
   <div class="text-5xl">🔎</div>
   <h1 class="mt-4 text-2xl font-bold">Tag not found</h1>
-  <p class="mt-2 text-stone-600">We couldn't find a WhereWoof tag with that code. Check the code on the tag and try again.</p>
+  <p class="mt-2 text-stone-600">We couldn't find a Where Woof tag with that code. Check the code on the tag and try again.</p>
   <a href="/" class="mt-6 inline-block rounded bg-stone-900 px-4 py-2 text-sm font-semibold text-white hover:bg-stone-700">Go home</a>
 </div>
 {{end}}