Update 2025-04-24_11:44:19

static/sound.js

@@ -0,0 +1,17 @@
+// sound.js — reusable Web Audio beep
+
+export function playBeep(frequency = 432, duration = 0.2, type = 'sine') {
+  const ctx = new (window.AudioContext || window.webkitAudioContext)();
+  const osc = ctx.createOscillator();
+  const gain = ctx.createGain();
+
+  osc.type = type;
+  osc.frequency.value = frequency;
+
+  osc.connect(gain);
+  gain.connect(ctx.destination);
+
+  gain.gain.setValueAtTime(0.1, ctx.currentTime); // subtle volume
+  osc.start();
+  osc.stop(ctx.currentTime + duration);
+}