Fix: Send waveform as Uint8Array instead of number[] to match Baileys type definition

Author: ffigueroa

src/api/integrations/channel/whatsapp/whatsapp.baileys.service.ts

@@ -3123,12 +3123,10 @@ export class BaileysStartupService extends ChannelStartupService {
 
       if (Buffer.isBuffer(convert)) {
         const seconds = await this.getAudioDuration(convert);
-        const waveformU8 = await this.getAudioWaveform(convert);
-        // Convert Uint8Array to regular array as required by Baileys
-        const waveform = Array.from(waveformU8);
+        const waveform = await this.getAudioWaveform(convert);
 
-        this.logger.info(`Sending audio with waveform - seconds: ${seconds}, waveform length: ${waveform.length}, waveform type: ${typeof waveform}, isArray: ${Array.isArray(waveform)}`);
-        this.logger.info(`First 10 waveform values: [${waveform.slice(0, 10).join(', ')}]`);
+        this.logger.info(`Sending audio with waveform - seconds: ${seconds}, waveform length: ${waveform.length}, waveform type: ${waveform.constructor.name}, isUint8Array: ${waveform instanceof Uint8Array}`);
+        this.logger.info(`First 10 waveform values: [${Array.from(waveform.slice(0, 10)).join(', ')}]`);
 
         const messageContent = { audio: convert, ptt: true, mimetype: 'audio/ogg; codecs=opus', seconds, waveform };
 
@@ -3147,13 +3145,12 @@ export class BaileysStartupService extends ChannelStartupService {
 
     const audioBuffer = isURL(data.audio) ? { url: data.audio } : Buffer.from(data.audio, 'base64');
     let seconds: number | undefined;
-    let waveform: number[] | undefined;
+    let waveform: Uint8Array | undefined;
 
     // Only generate waveform for buffers, not URLs
     if (Buffer.isBuffer(audioBuffer)) {
       seconds = await this.getAudioDuration(audioBuffer);
-      const waveformU8 = await this.getAudioWaveform(audioBuffer);
-      waveform = Array.from(waveformU8);
+      waveform = await this.getAudioWaveform(audioBuffer);
     }
 
     return await this.sendMessageWithTyping<AnyMessageContent>(