feat: voix mains-libres + wake-word CHLOVA, fin Phase 6 v1 (v0.29.0)
Mode mains-libres : écoute en boucle déclenchée par le wake-word « CHLOVA … » (extractCommand), micro en pause pendant le TTS pour éviter l'auto-écoute ; réponses lues d'office. Bouton Libre + indicateur. 100% navigateur. Build OK. Palier de risque : reversible (front). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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@@ -6,6 +6,13 @@ incompatibles. Chaque ligne renvoie à un commit dédié (un artefact = un commi
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## [Unreleased]
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## [0.29.0] — 2026-06-23 — fin Phase 6 (voix v1)
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### Added
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- `useSpeech` : mode **mains-libres** + wake-word « CHLOVA » (`extractCommand`),
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écoute en boucle, micro en pause pendant le TTS (anti auto-écoute).
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- Chat : bouton "Libre" (mains-libres) ; en mains-libres les réponses sont lues
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d'office. Indicateur d'écoute. Build OK. (README web : section voix.)
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## [0.28.0] — 2026-06-23 — début Phase 6 (voix)
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### Added
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- `web/src/useSpeech.ts` : hook voix 100 % navigateur (Web Speech API), STT
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+11
-2
@@ -23,5 +23,14 @@ Le backend doit tourner avec l'auth configurée (`CHLOVA_ADMIN_*`, voir
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| `src/pages/Chat.tsx` | Conversation agent (v0.23.0). |
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| `src/pages/Review.tsx` | Need-review : approuver/refuser (v0.24.0). |
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## Périmètre v1
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Login → Chat → Review. Voix + app RN : phases ultérieures (API commune réutilisée).
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## Voix (Phase 6)
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100 % navigateur (Web Speech API), zéro backend/GPU :
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- **Parler** : dictée push-to-talk (fr-FR) → envoyée à l'agent.
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- **Voix ON/OFF** : lecture vocale des réponses (TTS), réglage persistant.
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- **Libre** : mains-libres, déclenché par le wake-word « CHLOVA … » ; le micro se
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met en pause pendant la synthèse pour éviter l'auto-écoute.
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STT = Chrome/Edge (webkit) ; TTS = large support. Dégrade proprement sinon.
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## Périmètre
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Login → Chat (+ voix) → Review. App RN : phase ultérieure (API commune réutilisée).
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+22
-3
@@ -42,7 +42,7 @@ export function Chat() {
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try {
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const { reply } = await api.chat(token, t);
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setMessages((m) => [...m, { role: "assistant", text: reply }]);
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if (speakReplies) speech.speak(reply);
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if (speakReplies || speech.handsFree) speech.speak(reply);
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} catch (err) {
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if (err instanceof ApiError && err.status === 401) {
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logout();
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@@ -62,13 +62,18 @@ export function Chat() {
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};
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const mic = (): void => {
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if (speech.listening) {
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if (speech.listening && !speech.handsFree) {
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speech.stopListening();
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return;
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}
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speech.listen((text) => void sendText(text)); // dicter → envoyer
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};
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const toggleHandsFree = (): void => {
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if (speech.handsFree) speech.stopHandsFree();
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else speech.startHandsFree((text) => void sendText(text)); // « CHLOVA … » → envoyer
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};
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return (
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<div className="flex h-full flex-col">
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<div className="flex-1 overflow-y-auto px-4 py-4 space-y-3">
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@@ -86,6 +91,9 @@ export function Chat() {
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</div>
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))}
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{busy && <p className="text-muted text-sm animate-pulse">CHLOVA réfléchit…</p>}
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{speech.handsFree && !busy && !speech.speaking && (
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<p className="text-accent text-sm">Mains libres — dis « CHLOVA … »</p>
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)}
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{speech.speaking && <p className="text-accent text-sm">Lecture vocale…</p>}
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{error && <p role="alert" className="text-danger text-sm">{error}</p>}
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<div ref={bottom} />
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@@ -110,7 +118,7 @@ export function Chat() {
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onChange={(e) => setInput(e.target.value)}
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disabled={busy}
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/>
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{speech.sttSupported && (
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{speech.sttSupported && !speech.handsFree && (
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<button
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type="button"
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onClick={mic}
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@@ -120,6 +128,17 @@ export function Chat() {
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{speech.listening ? "Stop" : "Parler"}
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</button>
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)}
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{speech.sttSupported && (
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<button
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type="button"
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onClick={toggleHandsFree}
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aria-label={speech.handsFree ? "Couper les mains libres" : "Activer les mains libres"}
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title="Mains libres (wake-word CHLOVA)"
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className={`rounded-md border px-3 py-2 text-sm cursor-pointer ring-accent ${speech.handsFree ? "border-accent text-accent" : "border-border text-muted"}`}
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>
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{speech.handsFree ? "Libre ON" : "Libre"}
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</button>
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)}
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<button
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type="submit"
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disabled={busy || !input.trim()}
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+87
-9
@@ -4,9 +4,10 @@ import { useCallback, useEffect, useRef, useState } from "react";
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* Voix (Phase 6) — 100 % navigateur (Web Speech API), aucun backend ni GPU.
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* - STT : SpeechRecognition (webkit) — Chrome/Edge. Dégrade proprement ailleurs.
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* - TTS : speechSynthesis — large support.
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* - Mains-libres : écoute en boucle, déclenchée par le wake-word « CHLOVA ».
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* Met le micro en pause pendant la synthèse vocale (évite l'auto-écoute).
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*/
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// Typages minimaux (Web Speech API non standardisée dans lib.dom).
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interface SREvent {
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results: ArrayLike<ArrayLike<{ transcript: string }>>;
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}
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@@ -40,23 +41,41 @@ function makeRecognition(): SR | null {
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return r;
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}
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const WAKE = /\b(chlova|clova|klova)\b[\s,:.]*/i;
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/** Renvoie la commande après le wake-word, ou null si absent. */
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export function extractCommand(transcript: string): string | null {
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const m = WAKE.exec(transcript);
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if (!m) return null;
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const cmd = transcript.slice(m.index + m[0].length).trim();
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return cmd.length > 0 ? cmd : null;
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}
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export interface UseSpeech {
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sttSupported: boolean;
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ttsSupported: boolean;
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listening: boolean;
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speaking: boolean;
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handsFree: boolean;
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listen: (onText: (text: string) => void) => void;
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stopListening: () => void;
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speak: (text: string) => void;
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cancelSpeak: () => void;
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startHandsFree: (onCommand: (text: string) => void) => void;
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stopHandsFree: () => void;
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}
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export function useSpeech(): UseSpeech {
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const recRef = useRef<SR | null>(null);
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const handsFreeRef = useRef(false);
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const onCommandRef = useRef<(t: string) => void>(() => {});
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const armRef = useRef<() => void>(() => {});
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const [listening, setListening] = useState(false);
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const [speaking, setSpeaking] = useState(false);
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const [handsFree, setHandsFree] = useState(false);
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const sttSupported = typeof window !== "undefined" && !!(window.SpeechRecognition ?? window.webkitSpeechRecognition);
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const sttSupported =
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typeof window !== "undefined" && !!(window.SpeechRecognition ?? window.webkitSpeechRecognition);
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const ttsSupported = typeof window !== "undefined" && "speechSynthesis" in window;
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const stopListening = useCallback((): void => {
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@@ -89,18 +108,77 @@ export function useSpeech(): UseSpeech {
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window.speechSynthesis.cancel();
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const u = new SpeechSynthesisUtterance(text);
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u.lang = "fr-FR";
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u.onend = (): void => setSpeaking(false);
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u.onerror = (): void => setSpeaking(false);
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const done = (): void => {
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setSpeaking(false);
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// En mains-libres, on réarme l'écoute APRÈS avoir parlé (anti auto-écoute).
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if (handsFreeRef.current) armRef.current();
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};
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u.onend = done;
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u.onerror = done;
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setSpeaking(true);
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window.speechSynthesis.speak(u);
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},
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[ttsSupported],
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);
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useEffect(() => () => {
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recRef.current?.abort();
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if (ttsSupported) window.speechSynthesis.cancel();
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}, [ttsSupported]);
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// Boucle mains-libres : une écoute → détecte le wake-word → commande → réarme.
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armRef.current = (): void => {
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if (!handsFreeRef.current) return;
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if (ttsSupported && window.speechSynthesis.speaking) return; // attend la fin du TTS
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const r = makeRecognition();
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if (!r) return;
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recRef.current = r;
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r.onresult = (e): void => {
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const text = e.results?.[0]?.[0]?.transcript ?? "";
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const cmd = extractCommand(text);
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if (cmd) onCommandRef.current(cmd);
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};
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const rearm = (): void => {
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setListening(false);
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if (handsFreeRef.current && !(ttsSupported && window.speechSynthesis.speaking)) {
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setTimeout(() => armRef.current(), 400);
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}
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};
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r.onend = rearm;
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r.onerror = rearm;
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setListening(true);
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r.start();
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};
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return { sttSupported, ttsSupported, listening, speaking, listen, stopListening, speak, cancelSpeak };
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const startHandsFree = useCallback((onCommand: (text: string) => void): void => {
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onCommandRef.current = onCommand;
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handsFreeRef.current = true;
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setHandsFree(true);
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armRef.current();
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}, []);
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const stopHandsFree = useCallback((): void => {
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handsFreeRef.current = false;
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setHandsFree(false);
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recRef.current?.abort();
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setListening(false);
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}, []);
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useEffect(
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() => () => {
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handsFreeRef.current = false;
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recRef.current?.abort();
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if (ttsSupported) window.speechSynthesis.cancel();
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},
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[ttsSupported],
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);
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return {
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sttSupported,
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ttsSupported,
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listening,
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speaking,
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handsFree,
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listen,
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stopListening,
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speak,
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cancelSpeak,
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startHandsFree,
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stopHandsFree,
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};
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}
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