tam 2

management/src/utils/notifySound.ts

@@ -35,3 +35,29 @@ export function playChatSound() {
   playTone(880, t, 0.12);
   playTone(1174, t + 0.14, 0.14);
 }
+
+/** Louder alert for student violations (quit / kill app) */
+export function playAlertSound() {
+  const ctx = getAudioCtx();
+  if (!ctx) return;
+  if (ctx.state === 'suspended') {
+    void ctx.resume();
+  }
+  const playTone = (freq: number, start: number, duration: number) => {
+    const osc = ctx.createOscillator();
+    const gain = ctx.createGain();
+    osc.type = 'square';
+    osc.frequency.value = freq;
+    gain.gain.setValueAtTime(0.0001, start);
+    gain.gain.exponentialRampToValueAtTime(0.1, start + 0.02);
+    gain.gain.exponentialRampToValueAtTime(0.0001, start + duration);
+    osc.connect(gain);
+    gain.connect(ctx.destination);
+    osc.start(start);
+    osc.stop(start + duration + 0.02);
+  };
+  const t = ctx.currentTime;
+  playTone(520, t, 0.16);
+  playTone(390, t + 0.18, 0.2);
+  playTone(520, t + 0.4, 0.18);
+}