feat: /friend aliveness system, motion controller fix, VAD tuning, high-pass filter

feat: /friend cosplay

feat: Friend 消息 → 仅使用人设提示词

fix: tts not read tool message

feat: VAD Noise Suppression

fix: tools call or think voice play will stop receive audio

fix: TTS voice play will stop receive audio

fix: echo in VAD STT TTS

feat: VAD

feat: polling voice create stt 5s

feat: VAD but just case choose

feat: grop free stt

feat: friend text tts ok but websearch tts not ok

fix: Microphone access denied

feat: inter-process