Picks up element-call#64 (DeepFilterNet no longer silently passes raw
audio through if its model is served Content-Encoding: gzip) and #65
(attenuation limit 60 -> 25 dB, fixing choppy word endings).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017PCb59uY3UKqDqt7B6hzd5