新增音量保护

client/src/lib/luxsinApi.ts

@@ -95,6 +95,10 @@ export interface DeviceState {
   dacGain: number;
   dacArc: number;
   dacImpedance: number;
+  /** 耳机最大音量：0 = 0dB，1 = -5dB … 10 = -50dB；旧固件可能不返回。 */
+  hpMaxVolume?: number;
+  /** 耳机启动音量：0 = 默认，1 = -20dB … 7 = -50dB；旧固件可能不返回。 */
+  hpStartupVolume?: number;
   dacVolumeDirect: number;
   analogGain: number;
   effect_enable: number;
@@ -590,6 +594,8 @@ export const MOCK_DEVICE_STATE: DeviceState = {
   dacGain: 0,
   dacArc: 0,
   dacImpedance: 0,
+  hpMaxVolume: 0,
+  hpStartupVolume: 0,
   dacVolumeDirect: 0,
   analogGain: 0,
   effect_enable: 0,