feat(toma-progresiva): alarma más fuerte 3 ciclos con sawtooth+compressor y vibración 5x900ms

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

ver_formulario_enviado.php

@@ -2086,16 +2086,28 @@ function _guardarFirmaMP(widget, svg, msgEl, entry, campoId) {
 
 function _mpPlayBeep() {
     try {
-        var ctx = new (window.AudioContext || window.webkitAudioContext)();
+        var ctx  = new (window.AudioContext || window.webkitAudioContext)();
-        [880, 1100, 880, 1100].forEach(function(freq, i) {
+        var comp = ctx.createDynamicsCompressor();
-            var osc = ctx.createOscillator(), gain = ctx.createGain();
+        comp.threshold.value = -6; comp.ratio.value = 12; comp.attack.value = 0;
-            osc.connect(gain); gain.connect(ctx.destination);
+        comp.connect(ctx.destination);
-            osc.frequency.value = freq;
+        // 3 ciclos de alarma, cada ciclo 3 notas; 2 osciladores por nota para más volumen
-            var t0 = ctx.currentTime + i * 0.22;
+        var notes = [1200, 880, 1200];
-            gain.gain.setValueAtTime(0.7, t0);
+        for (var cycle = 0; cycle < 3; cycle++) {
-            gain.gain.exponentialRampToValueAtTime(0.001, t0 + 0.18);
+            notes.forEach(function(freq, i) {
-            osc.start(t0); osc.stop(t0 + 0.18);
+                var t0 = ctx.currentTime + cycle * 1.0 + i * 0.28;
-        });
+                [0, 6].forEach(function(detune) {           // dos osciladores ligeramente desafinados
+                    var osc = ctx.createOscillator();
+                    var g   = ctx.createGain();
+                    osc.type = 'sawtooth';
+                    osc.frequency.value = freq;
+                    osc.detune.value    = detune;
+                    osc.connect(g); g.connect(comp);
+                    g.gain.setValueAtTime(1.0, t0);
+                    g.gain.exponentialRampToValueAtTime(0.001, t0 + 0.24);
+                    osc.start(t0); osc.stop(t0 + 0.24);
+                });
+            });
+        }
     } catch(e) {}
 }
 
@@ -2128,7 +2140,7 @@ function _mpIniciarCountdown(targetMsOrMins, nextLabel, nextFirmaId) {
             box.style.animation = 'mp-pulse 1s ease-in-out infinite';
             box.innerHTML = '<div style="font-size:1.1rem;font-weight:700"><i class="fas fa-bell me-2"></i>¡Hora de la siguiente muestra!</div>'
                 + (nextLabel ? '<div style="font-size:.85rem;opacity:.9;margin-top:4px">' + nextLabel + '</div>' : '');
-            if (navigator.vibrate) navigator.vibrate([500,150,500,150,500]);
+            if (navigator.vibrate) navigator.vibrate([900,150,900,150,900,150,900,150,900]);
             _mpPlayBeep();
             // Desbloquear y mostrar siguiente canvas
             var nw = nextFirmaId ? document.getElementById('fpw-' + nextFirmaId) : null;