1. generate_audio_simple
Generate audio from plain text using default voice settings.
2. generate_audio_script
Generate audio from a structured script with multiple voices and actors.
3. delete_job
Delete a job by its ID.
4. get_audio_file
Get the audio file by its ID.
5. list_voices
List all available voices.
6. get_voiceover_history
Get voiceover job history, optionally specifying a job ID for a specific job.