Outbound: preserve routed audioAsVoice delivery

src/channels/plugins/types.adapters.ts

@@ -130,6 +130,7 @@ export type ChannelOutboundContext = {
   to: string;
   text: string;
   mediaUrl?: string;
+  audioAsVoice?: boolean;
   mediaLocalRoots?: readonly string[];
   gifPlayback?: boolean;
   /** Send image as document to avoid Telegram compression. */