新增屏幕亮度

client/src/config/firmwareFeatures.ts

@@ -17,6 +17,10 @@ export const FIRMWARE_FEATURE_MIN_VERSION = {
   hpVolumeSettings: 2011,
   /** EQ 单个滤波器的 Bypass 开关（旁通时下发 type=10）。 */
   peqBandBypass: 2012,
+  /** 设备语言扩展到 LangType 全枚举（12 种）；低于此版本仅前 3 种（0/1/2）可下发设备。 */
+  extendedDeviceLanguages: 2012,
+  /** System 页屏幕亮度改为 10 档拖动条（screenLight 下发 0–9）；低于此版本保持三档选择列表。 */
+  screenBrightnessSlider: 2012,
 } as const;
 
 export type FirmwareFeatureKey = keyof typeof FIRMWARE_FEATURE_MIN_VERSION;
@@ -44,3 +48,13 @@ export function supportsHpVolumeSettings(firmwareVersion: number): boolean {
 export function supportsPeqBandBypass(firmwareVersion: number): boolean {
   return isFirmwareFeatureAvailable("peqBandBypass", firmwareVersion);
 }
+
+/** 固件是否支持把扩展设备语言（索引 3..11）下发到设备。 */
+export function supportsExtendedDeviceLanguages(firmwareVersion: number): boolean {
+  return isFirmwareFeatureAvailable("extendedDeviceLanguages", firmwareVersion);
+}
+
+/** 固件是否支持屏幕亮度 10 档拖动条（screenLight 0–9，数值越大越亮）。 */
+export function supportsScreenBrightnessSlider(firmwareVersion: number): boolean {
+  return isFirmwareFeatureAvailable("screenBrightnessSlider", firmwareVersion);
+}