Just flood advertise when we do

frontend/src/App.tsx

@@ -543,7 +543,7 @@ export function App() {
   // Send flood advertisement handler
   const handleAdvertise = useCallback(async () => {
     try {
-      await api.sendAdvertisement(true);
+      await api.sendAdvertisement();
       toast.success('Advertisement sent');
     } catch (err) {
       console.error('Failed to send advertisement:', err);

frontend/src/api.ts

@@ -76,8 +76,8 @@ export const api = {
       method: 'PUT',
       body: JSON.stringify({ private_key: privateKey }),
     }),
-  sendAdvertisement: (flood = true) =>
-    fetchJson<{ status: string; flood: boolean }>(`/radio/advertise?flood=${flood}`, {
+  sendAdvertisement: () =>
+    fetchJson<{ status: string }>('/radio/advertise', {
       method: 'POST',
     }),
   rebootRadio: () =>