Add health endpoint

frontend/src/components/ContactInfoPane.tsx

@@ -278,11 +278,6 @@ export function ContactInfoPane({
                     <span className="text-[10px] uppercase tracking-wider px-1.5 py-0.5 rounded bg-muted text-muted-foreground font-medium">
                       {CONTACT_TYPE_LABELS[contact.type] ?? 'Unknown'}
                     </span>
-                    {contact.on_radio && (
-                      <span className="text-[10px] uppercase tracking-wider px-1.5 py-0.5 rounded bg-primary/10 text-primary font-medium">
-                        On Radio
-                      </span>
-                    )}
                   </div>
                 </div>
               </div>

frontend/src/components/settings/SettingsAboutSection.tsx

@@ -113,6 +113,19 @@ export function SettingsAboutSection({ className }: { className?: string }) {
             </a>
           </p>
         </div>
+
+        <Separator />
+
+        <div className="text-center">
+          <a
+            href="/api/debug"
+            target="_blank"
+            rel="noopener noreferrer"
+            className="text-xs text-muted-foreground hover:text-primary hover:underline"
+          >
+            Open debug support snapshot
+          </a>
+        </div>
       </div>
     </div>
   );