fix: audio handling

src/app/fear/scene-components/ambient-sound.tsx

@@ -11,31 +11,41 @@ export function AmbientSound({ url, volume = 0.5 }: AmbientSoundProps) {
     useEffect(() => {
         const audio = new Audio(url)
         audio.loop = true
-        audio.volume = volume
         audioRef.current = audio
 
-        const startAudio = () => {
-            audio.play().catch((err) => {
-                console.warn('Autoplay blocked. Waiting for user interaction.', err)
-            })
-        }
-
-        startAudio()
-
-        window.addEventListener('click', startAudio, { once: true })
-        window.addEventListener('keydown', startAudio, { once: true })
-
         return () => {
-            window.removeEventListener('click', startAudio)
-            window.removeEventListener('keydown', startAudio)
             audio.pause()
+            audio.src = ''
             audioRef.current = null
         }
     }, [url])
 
     useEffect(() => {
-        if (audioRef.current) {
-            audioRef.current.volume = volume
+        const audio = audioRef.current
+        if (!audio) return
+
+        audio.volume = volume
+
+        const startAudio = () => {
+            if (audio.volume > 0) {
+                audio.play().catch((err) => {
+                    console.warn('Autoplay blocked. Waiting for user interaction.', err)
+                })
+            }
+        }
+
+        if (volume === 0) {
+            audio.pause()
+        } else {
+            startAudio()
+
+            window.addEventListener('click', startAudio, { once: true })
+            window.addEventListener('keydown', startAudio, { once: true })
+        }
+
+        return () => {
+            window.removeEventListener('click', startAudio)
+            window.removeEventListener('keydown', startAudio)
         }
     }, [volume])