feat(audio): move beat routing server-side and extend presets

Route beat-triggered manual selects from the controller server, add preset background and beat-counter UI support, and bump led-driver to include the matching pattern/runtime fixes.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/static/patterns.js

@@ -33,6 +33,33 @@ document.addEventListener('DOMContentLoaded', () => {
     return Number.isFinite(t) ? t : def;
   };
 
+  const coercePresetAuto = (preset) => {
+    if (!preset || typeof preset !== 'object') {
+      return true;
+    }
+    const v =
+      preset.auto !== undefined && preset.auto !== null ? preset.auto : preset.a;
+    if (typeof v === 'boolean') {
+      return v;
+    }
+    if (v === 0 || v === '0') {
+      return false;
+    }
+    if (v === 1 || v === '1') {
+      return true;
+    }
+    if (typeof v === 'string') {
+      const l = v.trim().toLowerCase();
+      if (['false', '0', 'no', 'off'].includes(l)) {
+        return false;
+      }
+      if (['true', '1', 'yes', 'on'].includes(l)) {
+        return true;
+      }
+    }
+    return true;
+  };
+
   const getCurrentProfileId = async () => {
     try {
       const response = await fetch('/profiles/current', { headers: { Accept: 'application/json' } });
@@ -531,6 +558,7 @@ document.addEventListener('DOMContentLoaded', () => {
           const colors = Array.isArray(preset.colors) && preset.colors.length
             ? preset.colors
             : ['#FFFFFF'];
+          const presetAuto = coercePresetAuto(preset);
           wirePresets[presetId] = {
             pattern: preset.pattern || 'off',
             colors,
@@ -538,7 +566,8 @@ document.addEventListener('DOMContentLoaded', () => {
             brightness: typeof preset.brightness === 'number'
               ? preset.brightness
               : (typeof preset.br === 'number' ? preset.br : 127),
-            auto: typeof preset.auto === 'boolean' ? preset.auto : true,
+            auto: presetAuto,
+            a: presetAuto,
             n1: coercePresetInt(preset.n1),
             n2: coercePresetInt(preset.n2),
             n3: coercePresetInt(preset.n3),