Add Micro auto

frontend/src/App.jsx

@@ -110,6 +110,7 @@ export default function App() {
   const isRecordingRef = useRef(false)
   const isAutoListeningRef = useRef(false)
   const isTranscribingRef = useRef(false)
+  const speakingRef = useRef(false)
   const levelFrameCountRef = useRef(0)
 
   const availableVoices = useMemo(() => {
@@ -143,6 +144,10 @@ export default function App() {
     isTranscribingRef.current = isTranscribing
   }, [isTranscribing])
 
+  useEffect(() => {
+    speakingRef.current = speaking
+  }, [speaking])
+
   useEffect(() => {
     if (selectedStudentId) {
       loadProgress(selectedStudentId)
@@ -278,8 +283,20 @@ export default function App() {
       utterance.voice = selectedVoice
     }
     utterance.onstart = () => setSpeaking(true)
-    utterance.onend = () => setSpeaking(false)
-    utterance.onerror = () => setSpeaking(false)
+    utterance.onend = async () => {
+      setSpeaking(false)
+      if (isAutoListeningRef.current && !isRecordingRef.current && !isTranscribingRef.current) {
+        pushAudioDebug('Fin de voix prof, réarmement du segment micro')
+        await startSegmentRecording()
+      }
+    }
+    utterance.onerror = async () => {
+      setSpeaking(false)
+      if (isAutoListeningRef.current && !isRecordingRef.current && !isTranscribingRef.current) {
+        pushAudioDebug('Erreur voix prof, réarmement du segment micro')
+        await startSegmentRecording()
+      }
+    }
     window.speechSynthesis.speak(utterance)
   }
 
@@ -417,6 +434,10 @@ export default function App() {
       }
 
       hasSpeechInSegmentRef.current = false
+      if (isAutoListeningRef.current && !isTranscribingRef.current && !speakingRef.current) {
+        pushAudioDebug('Segment terminé, relance écoute micro')
+        await startSegmentRecording()
+      }
     }
 
     recorder.onerror = () => {