Align controller backend and data with new presets

Update palettes, profiles, tabs, preset sending, and ESPNow message format to match the new preset defaults and driver short-field schema.

src/static/presets.js

@@ -1176,6 +1176,9 @@ const sendPresetViaEspNow = (presetId, preset, deviceNames) => {
 // Expose for other scripts (tabs.js) so they can reuse the shared WebSocket.
 try {
   window.sendPresetViaEspNow = sendPresetViaEspNow;
+  // Expose a generic ESPNow sender so other scripts (tabs.js) can send
+  // non-preset messages such as global brightness.
+  window.sendEspnowRaw = sendEspnowMessage;
 } catch (e) {
   // window may not exist in some environments; ignore.
 }