Function defineAudioChannels

defineAudioChannels<const T extends Record<string, AudioChannelConfig>>(
channels: T,
): Readonly<T>
Define audio channels with type-safe names and initial volumes. Mirrors defineCollisionLayers pattern.
Type Parameters
- const T extends Record<string, AudioChannelConfig>
Parameters
- channels: T
  Object mapping channel names to their configuration
Returns Readonly<T>
Frozen channel configuration with inferred channel name union
Example
```
const channels = defineAudioChannels({
  sfx: { volume: 1 },
  music: { volume: 0.7 },
  ui: { volume: 0.8 },
});
type Ch = ChannelsOf<typeof channels>; // 'sfx' | 'music' | 'ui'
```
- Defined in plugins/audio.ts:40