PRD-local-recording.md: Dual-path architecture for podcast-quality
interviews — local lossless WAV recording alongside live call, with
sync markers for post-session alignment, resumable upload to a
self-hosted mixer service that produces normalized multi-track output.
PRD-studio-quality.md: Documents the Opus 32k/48k/64k studio tiers,
when to use them, cross-codec interop, and backward compatibility.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
