iOS Shortcut Setup

1. Open the Shortcuts app on your iPhone
2. Create a new shortcut and name it (e.g. "Voice Note")
3. Add action: Record Audio
4. Add action: Get Contents of URL
5. Set the URL to the Upload URL above
6. Set Method to POST
7. Set Request Body to Form
8. Add a field: key = audio, type = File, value = the recorded audio
9. Save the shortcut
10. Say "Hey Siri, Voice Note" to trigger it