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feat(social): multi-language support - Whisper LID + per-lang Piper TTS (Issue #167) #187

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sl-jetson merged 1 commits from sl-jetson/issue-167-multilang into main 2026-03-02 10:58:17 -05:00
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sl-jetson
90c8b427fc feat(social): multi-language support — Whisper LID + per-lang Piper TTS (Issue #167)
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- Add SpeechTranscript.language (BCP-47), ConversationResponse.language fields
- speech_pipeline_node: whisper_language param (""=auto-detect via Whisper LID);
  detected language published in every transcript
- conversation_node: track per-speaker language; inject "[Please respond in X.]"
  hint for non-English speakers; propagate language to ConversationResponse.
  _LANG_NAMES: 24 BCP-47 codes -> English names. Also adds Issue #161 emotion
  context plumbing (co-located in same branch for clean merge)
- tts_node: voice_map_json param (JSON BCP-47->ONNX path); lazy voice loading
  per language; playback queue now carries (text, lang) tuples for voice routing
- speech_params.yaml, tts_params.yaml: new language params with docs
- 47/47 tests pass (test_multilang.py)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-03-02 10:57:34 -05:00