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Waleed
78740c05b6
Removes the voice-first interface and TTS playback from the deployed chat, keeping workspace dictation, which is a separate feature. - Deletes the VoiceInterface UI and its particles canvas, the chat mic input, the TTS audio-streaming hook, the /api/proxy/tts/stream relay and its contract, and the voice-settings query hook. - Unpicks the voice wiring in chat.tsx and use-chat-streaming: the audio stream handler, sentence-splitting for speech, voice-first mode state, and the isVoiceInput plumbing through ChatInput. - Drops the now-dead chatId branch from /api/speech/token. It was the anonymous public-chat path; with no caller left it would have stayed an unauthenticated relay spending the platform key. That leaves resolveDeployedChatCaller unused, so it goes too. - Removes code the above orphaned: MAX_CHAT_SESSION_MS, the noop util, the audio/position refs in use-chat-streaming that were only ever written, and the chatId field on the speech contract. Keeps /api/settings/voice, lib/speech and use-speech-to-text: the workspace home input still uses them. Keeps the voice-output usage source, enum and label — Postgres cannot drop an enum value, and historical usage_log rows still need a label to render.