fix: 修复贺彩声重复播放

frontend-large/src/commons/music.ts

@@ -11,6 +11,7 @@ const applause = assetUrl('applause.mp3')
 let backgroundMusic: HTMLAudioElement | null = null
 let countdownTemplate: HTMLAudioElement | null = null
 let pendingCountdownRetry: (() => void) | null = null
+let applausePlayed = false
 const countdownAudios = new Set<HTMLAudioElement>()
 
 
@@ -62,19 +63,27 @@ function getBackgroundMusic(music: string, force: boolean = false, loop: boolean
 
 //播放庆祝音乐
 export async function playApplauseMusic() {
+    if (applausePlayed) return
+
     const audio = getBackgroundMusic(applause, false, false)
+    audio.loop = false
 
     try {
+        applausePlayed = true
         await audio.play()
         window.removeEventListener('pointerdown', playApplauseMusic)
         window.removeEventListener('keydown', playApplauseMusic)
     } catch {
+        applausePlayed = false
+        window.removeEventListener('pointerdown', playApplauseMusic)
+        window.removeEventListener('keydown', playApplauseMusic)
         window.addEventListener('pointerdown', playApplauseMusic, { once: true })
         window.addEventListener('keydown', playApplauseMusic, { once: true })
     }
 }
 
 export function stopApplauseMusic() {
+    applausePlayed = false
     window.removeEventListener('pointerdown', playApplauseMusic)
     window.removeEventListener('keydown', playApplauseMusic)
     // 只有当当前播放的是喝彩音乐时才暂停，避免误伤背景音乐