fix: TTS cucina - gestione asincrona voci e delay dopo cancel()

assets/js/app.js

@@ -6076,14 +6076,26 @@ function renderCookingStep() {
 function speakCookingStep(text) {
     if (!('speechSynthesis' in window)) return;
     window.speechSynthesis.cancel();
-    const utt = new SpeechSynthesisUtterance(text);
+
-    utt.lang = 'it-IT';
+    function _doSpeak() {
-    utt.rate = 0.9;
+        const utt = new SpeechSynthesisUtterance(text);
-    utt.pitch = 1.0;
+        utt.lang = 'it-IT';
+        utt.rate = 0.9;
+        utt.pitch = 1.0;
+        const voices = window.speechSynthesis.getVoices();
+        const itVoice = voices.find(v => v.lang.startsWith('it'));
+        if (itVoice) utt.voice = itVoice;
+        window.speechSynthesis.speak(utt);
+    }
+
+    // Voices may not be ready yet on first load — wait for voiceschanged if empty
     const voices = window.speechSynthesis.getVoices();
-    const itVoice = voices.find(v => v.lang.startsWith('it'));
+    if (voices.length > 0) {
-    if (itVoice) utt.voice = itVoice;
+        // Small delay after cancel() to avoid the speak being silently dropped
-    window.speechSynthesis.speak(utt);
+        setTimeout(_doSpeak, 50);
+    } else {
+        window.speechSynthesis.addEventListener('voiceschanged', () => setTimeout(_doSpeak, 50), { once: true });
+    }
 }
 
 function toggleCookingTTS() {