feat: Voice Capture System — Shure MV6 + Whisper + Groq

[frankxai]

Built April 2-3, 2026

Completed

• Shure MV6 recording via ffmpeg (working)
• Whisper v20250625 installed (local transcription)
• Groq API configured (8hrs/day free)
• Basic capture scripts working

Next

• Build Voice OS with F20 leader key modes
• 7 recording modes (Note/Strategy/Agent/Reading/Newsletter/Voiceover/Arcanea)
• Audio quality analysis (ffmpeg)
• Transcript coaching

Spec: .arcanea/projects/specs/voice-production-system.md