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>
   );

frontend/src/test/settingsAboutSection.test.tsx

@@ -0,0 +1,23 @@
+import { render, screen } from '@testing-library/react';
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+
+import { SettingsAboutSection } from '../components/settings/SettingsAboutSection';
+
+describe('SettingsAboutSection', () => {
+  beforeEach(() => {
+    vi.stubGlobal('__APP_VERSION__', '3.2.0-test');
+    vi.stubGlobal('__COMMIT_HASH__', 'deadbeef');
+  });
+
+  afterEach(() => {
+    vi.unstubAllGlobals();
+  });
+
+  it('renders the debug support snapshot link', () => {
+    render(<SettingsAboutSection />);
+
+    const link = screen.getByRole('link', { name: /Open debug support snapshot/i });
+    expect(link).toHaveAttribute('href', '/api/debug');
+    expect(link).toHaveAttribute('target', '_blank');
+  });
+});