feat: offline browser TTS engine with voice selector
Add Web Speech API as alternative TTS engine (fully offline, no config needed). - Engine selector in settings: 'browser' (offline) or 'server' (HTTP endpoint) - Voice picker populated from speechSynthesis.getVoices(), Italian voices first - Auto-selects Paola voice on macOS/iOS if available - Rate and pitch sliders (0.5x-2x, 0-2) - testTTS() and speakCookingStep() branch on selected engine - Existing users with tts_url keep 'server' as default engine
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dadaloop82
+105
-8
@@ -850,11 +850,23 @@ async function loadSettingsUI() {
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s.tts_auth_type = s.tts_auth_type || 'bearer';
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s.tts_content_type = s.tts_content_type || 'application/json';
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s.tts_enabled = s.tts_enabled !== undefined ? s.tts_enabled : false;
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// Default engine: 'server' if a URL was already configured, else 'browser'
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if (!s.tts_engine) s.tts_engine = s.tts_url ? 'server' : 'browser';
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s.tts_voice = s.tts_voice || '';
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s.tts_rate = s.tts_rate !== undefined ? s.tts_rate : 1;
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s.tts_pitch = s.tts_pitch !== undefined ? s.tts_pitch : 1;
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s._tts_initialized = true;
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saveSettingsToStorage(s);
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}
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const ttsEnabledEl = document.getElementById('setting-tts-enabled');
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if (ttsEnabledEl) ttsEnabledEl.checked = s.tts_enabled === true;
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const ttsEngineEl = document.getElementById('setting-tts-engine');
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if (ttsEngineEl) { ttsEngineEl.value = s.tts_engine || 'browser'; onTtsEngineChange(ttsEngineEl.value); }
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const ttsRateEl = document.getElementById('setting-tts-rate');
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if (ttsRateEl) { ttsRateEl.value = s.tts_rate || 1; document.getElementById('tts-rate-label').textContent = parseFloat(s.tts_rate || 1).toFixed(1); }
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const ttsPitchEl = document.getElementById('setting-tts-pitch');
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if (ttsPitchEl) { ttsPitchEl.value = s.tts_pitch || 1; document.getElementById('tts-pitch-label').textContent = parseFloat(s.tts_pitch || 1).toFixed(1); }
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_initBrowserTtsVoices(s.tts_voice || '');
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const ttsUrlEl = document.getElementById('setting-tts-url');
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if (ttsUrlEl) ttsUrlEl.value = s.tts_url || '';
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const ttsMethEl = document.getElementById('setting-tts-method');
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@@ -993,6 +1005,14 @@ async function saveSettings() {
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if (ttsEnabledEl) s.tts_enabled = ttsEnabledEl.checked;
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const ttsUrlEl2 = document.getElementById('setting-tts-url');
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if (ttsUrlEl2) s.tts_url = ttsUrlEl2.value.trim();
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const ttsEngineEl2 = document.getElementById('setting-tts-engine');
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if (ttsEngineEl2) s.tts_engine = ttsEngineEl2.value;
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const ttsVoiceEl2 = document.getElementById('setting-tts-voice');
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if (ttsVoiceEl2) s.tts_voice = ttsVoiceEl2.value;
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const ttsRateEl2 = document.getElementById('setting-tts-rate');
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if (ttsRateEl2) s.tts_rate = parseFloat(ttsRateEl2.value) || 1;
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const ttsPitchEl2 = document.getElementById('setting-tts-pitch');
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if (ttsPitchEl2) s.tts_pitch = parseFloat(ttsPitchEl2.value) || 1;
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const ttsMethEl2 = document.getElementById('setting-tts-method');
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if (ttsMethEl2) s.tts_method = ttsMethEl2.value;
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const ttsAuthTypeEl2 = document.getElementById('setting-tts-auth-type');
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@@ -7597,8 +7617,12 @@ async function speakCookingStep(text) {
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const s = getSettings();
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if (!s.tts_enabled) return;
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try {
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const req = _buildTtsRequest(text, s);
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await _ttsViaProxy(req);
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if ((s.tts_engine || 'browser') === 'browser') {
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_speakBrowser(text);
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} else {
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const req = _buildTtsRequest(text, s);
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await _ttsViaProxy(req);
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}
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} catch(e) { /* silent — TTS is non-critical */ }
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}
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@@ -7616,9 +7640,87 @@ function onTtsAuthTypeChange(type) {
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if (headerGroup) headerGroup.style.display = type === 'header' ? '' : 'none';
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}
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function onTtsEngineChange(engine) {
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const browserSect = document.getElementById('tts-browser-section');
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const serverSect = document.getElementById('tts-server-section');
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if (browserSect) browserSect.style.display = engine === 'browser' ? '' : 'none';
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if (serverSect) serverSect.style.display = engine === 'server' ? '' : 'none';
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}
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/** Populate voice selector from Web Speech API. Called on settings load and on voiceschanged. */
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function _initBrowserTtsVoices(selectedVoice) {
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const sel = document.getElementById('setting-tts-voice');
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if (!sel || !window.speechSynthesis) return;
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const populate = () => {
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const voices = window.speechSynthesis.getVoices();
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if (!voices.length) return;
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// Italian voices first, then others
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const it = voices.filter(v => v.lang.startsWith('it'));
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const others = voices.filter(v => !v.lang.startsWith('it'));
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const sorted = [...it, ...others];
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sel.innerHTML = sorted.map(v =>
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`<option value="${v.name}" ${v.name === selectedVoice ? 'selected' : ''}>${v.name} (${v.lang})${v.localService ? '' : ' ☁️'}</option>`
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).join('');
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// Auto-select Paola if no preference and it exists
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if (!selectedVoice) {
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const paola = sorted.find(v => v.name === 'Paola');
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const firstIt = sorted.find(v => v.lang.startsWith('it'));
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if (paola) sel.value = paola.name;
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else if (firstIt) sel.value = firstIt.name;
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}
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};
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populate();
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if (window.speechSynthesis.onvoiceschanged !== undefined) {
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window.speechSynthesis.onvoiceschanged = populate;
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}
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}
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/** Speak text using the browser Web Speech API (offline). */
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function _speakBrowser(text) {
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if (!window.speechSynthesis) return;
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window.speechSynthesis.cancel();
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const s = getSettings();
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const utt = new SpeechSynthesisUtterance(text);
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utt.rate = parseFloat(s.tts_rate) || 1;
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utt.pitch = parseFloat(s.tts_pitch) || 1;
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const voices = window.speechSynthesis.getVoices();
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const preferred = voices.find(v => v.name === s.tts_voice);
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if (preferred) {
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utt.voice = preferred;
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utt.lang = preferred.lang;
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} else {
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utt.lang = _currentLang === 'de' ? 'de-DE' : _currentLang === 'en' ? 'en-US' : 'it-IT';
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}
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window.speechSynthesis.speak(utt);
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}
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async function testTTS() {
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const statusEl = document.getElementById('tts-test-status');
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// Build settings from current form values (before saving)
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const enabled = document.getElementById('setting-tts-enabled')?.checked;
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if (!enabled) {
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if (statusEl) { statusEl.style.display = 'block'; statusEl.className = 'settings-status error'; statusEl.textContent = '⚠️ TTS non attivo — attiva il toggle prima di testare.'; }
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return;
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}
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const engine = document.getElementById('setting-tts-engine')?.value || 'browser';
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if (engine === 'browser') {
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if (!window.speechSynthesis) {
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if (statusEl) { statusEl.style.display = 'block'; statusEl.className = 'settings-status error'; statusEl.textContent = '❌ Web Speech API non supportata da questo browser.'; }
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return;
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}
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// Temporarily apply form values for the test
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const s = getSettings();
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const voiceName = document.getElementById('setting-tts-voice')?.value;
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s.tts_voice = voiceName || s.tts_voice;
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s.tts_rate = parseFloat(document.getElementById('setting-tts-rate')?.value) || 1;
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s.tts_pitch = parseFloat(document.getElementById('setting-tts-pitch')?.value) || 1;
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saveSettingsToStorage(s);
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_speakBrowser('Test vocale Dispensa Manager. La sintesi vocale funziona correttamente.');
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if (statusEl) { statusEl.style.display = 'block'; statusEl.className = 'settings-status success'; statusEl.textContent = '✅ Riproduzione in corso — controlla l\'audio del dispositivo.'; }
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return;
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}
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// Server engine
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let extraFields = {};
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try { extraFields = JSON.parse((document.getElementById('setting-tts-extra-fields')?.value || '{}').trim() || '{}'); } catch(e) { /* ignore */ }
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const formSettings = {
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@@ -7632,11 +7734,6 @@ async function testTTS() {
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tts_payload_key: (document.getElementById('setting-tts-payload-key')?.value || '').trim() || 'message',
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tts_extra_fields: document.getElementById('setting-tts-extra-fields')?.value || ''
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};
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const enabled = document.getElementById('setting-tts-enabled')?.checked;
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if (!enabled) {
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if (statusEl) { statusEl.style.display = 'block'; statusEl.className = 'settings-status error'; statusEl.textContent = '⚠️ TTS non attivo — attiva il toggle prima di testare.'; }
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return;
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}
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if (!formSettings.tts_url) {
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if (statusEl) { statusEl.style.display = 'block'; statusEl.className = 'settings-status error'; statusEl.textContent = '⚠️ URL endpoint mancante.'; }
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return;
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