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The mic button previously needed a Deepgram API key, or fell back to the browser's Web Speech engine. It can now transcribe through the same speech-to-text service Claude Code's own /voice mode uses, so anyone signed in to Claude Code on the server gets dictation with no third-party account. Claude Code's voice mode cannot be driven directly: it opens the HOST's microphone (sox/arecord), and the CLI runs in a headless tmux pane while the human is in a browser somewhere else. So capture stays in the browser and only the transcription backend is borrowed. Audio goes browser -> Codeman -> Anthropic. The OAuth token never reaches the page: the browser sends PCM16 (16 kHz mono, produced by an AudioWorklet since MediaRecorder cannot emit raw PCM) and receives text. - GET /api/voice/status reports readiness and never the token - GET /ws/voice/stream relays one dictation, with the same Host/Origin upgrade guard as the terminal socket, plus caps on concurrency, stream length and frame size - credentials are read-only: Codeman never refreshes them, since a refresh rotates the refresh token and could sign the user out of their own CLI - claudeVoiceEnabled (synced, default OFF) gates the whole server side - voiceSettings.provider picks auto/claude/deepgram/webspeech; auto prefers Claude, then a configured Deepgram key, then the browser Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>