Aggiunge il mute del microfono in diretta per evitare claim YouTube sulla musica in palestra.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/public/regia.js

@@ -25,9 +25,12 @@
     partialsPrefix: "Parziali:",
     resumed: "Diretta ripresa",
     pausedCover: "Diretta in pausa — copertina in onda",
+    muted: "Audio silenziato — YouTube non riceve il microfono",
+    unmuted: "Audio microfono riattivato",
     closed: "Diretta chiusa",
     resumeError: "Errore ripresa diretta",
     pauseError: "Errore pausa diretta",
+    muteError: "Errore silenziamento audio",
     closeError: "Errore chiusura",
     closeConfirm: "Chiudere definitivamente la diretta?",
     linkUnavailable: "Link non disponibile",
@@ -39,6 +42,8 @@
     streamEnded: "Diretta terminata",
     resumeLabel: "Riprendi diretta",
     pauseLabel: "Metti in pausa",
+    muteLabel: "Silenzia audio",
+    unmuteLabel: "Riattiva audio",
     endedBadge: "Terminata",
     pausedBadge: "In pausa",
     liveBadge: "In onda",
@@ -76,6 +81,7 @@
     scoreUrl: root.dataset.scoreUrl,
     pauseUrl: root.dataset.pauseUrl,
     resumeUrl: root.dataset.resumeUrl,
+    audioMuteUrl: root.dataset.audioMuteUrl,
     stopUrl: root.dataset.stopUrl,
     cableUrl: root.dataset.cableUrl,
     hlsUrl: root.dataset.hlsUrl,
@@ -103,6 +109,7 @@
     preview: document.getElementById("regia-preview"),
     previewPlaceholder: document.getElementById("regia-preview-placeholder"),
     btnPause: document.getElementById("btn-pause"),
+    btnAudioMute: document.getElementById("btn-audio-mute"),
     subtitle: document.getElementById("regia-subtitle")
   };
 
@@ -111,6 +118,7 @@
   let previewStarted = false;
   let wasPausedPreview = false;
   let streamPaused = root.dataset.initialPaused === "true";
+  let audioMuted = root.dataset.initialAudioMuted === "true";
 
   function hlsUrlFresh() {
     const sep = cfg.hlsUrl.includes("?") ? "&" : "?";
@@ -246,8 +254,18 @@
     els.btnPause.textContent = paused ? I18N.resumeLabel : I18N.pauseLabel;
   }
 
+  function syncMuteButton(data) {
+    if (!els.btnAudioMute) return;
+    if (typeof data.audio_muted === "boolean") {
+      audioMuted = data.audio_muted;
+    }
+    els.btnAudioMute.textContent = audioMuted ? I18N.unmuteLabel : I18N.muteLabel;
+    els.btnAudioMute.classList.toggle("is-muted", audioMuted);
+  }
+
   function setBadge(data) {
     syncPauseButton(data);
+    syncMuteButton(data);
     if (data.stream_closed) {
       els.badge.textContent = I18N.endedBadge;
       els.badge.className = "regia-badge regia-badge--ended";
@@ -458,6 +476,24 @@
     toast(wasPaused ? I18N.resumed : I18N.pausedCover);
   }
 
+  async function toggleMuteAudio() {
+    if (!cfg.audioMuteUrl) return;
+    const nextMuted = !audioMuted;
+    const res = await fetch(cfg.audioMuteUrl, {
+      method: "POST",
+      headers: { "Content-Type": "application/json", Accept: "application/json" },
+      body: JSON.stringify({ muted: nextMuted })
+    });
+    if (!res.ok) {
+      const body = await res.json().catch(() => ({}));
+      throw new Error(body.error || I18N.muteError);
+    }
+    const data = await res.json();
+    applyScorePayload(data);
+    setBadge(data);
+    toast(audioMuted ? I18N.muted : I18N.unmuted);
+  }
+
   async function stopStream() {
     const ok = confirm(I18N.closeConfirm);
     if (!ok) return null;
@@ -471,6 +507,7 @@
   }
 
   els.btnPause?.addEventListener("click", () => togglePauseStream().catch((e) => toast(e.message)));
+  els.btnAudioMute?.addEventListener("click", () => toggleMuteAudio().catch((e) => toast(e.message)));
   document.getElementById("btn-stop")?.addEventListener("click", () => stopStream().catch((e) => toast(e.message)));
 
   async function shareLink(url, title, text) {