Feat: Sprechen-Tab — mit Hermes per Sprache reden (Browser-Voice + 3D-Avatar)
Voll-Duplex Sprach-Interaktion vom lokalen PC mit dem vollen Hermes-Agenten (api_server :8642, OpenAI-kompatibel → gleiche Tools + geteiltes Mem0 wie CLI/Telegram). - Voice-Sidecar (voice_service/, eigenes Py3.12-venv ~/.voice, :8650): STT faster-whisper (medium, de) + gestuftes TTS — Piper (schnell, Default) + Chatterbox (premium, Voice-Cloning, lazy-load, CPU-Start). Analog mem0_service. - Backend: routers/voice.py (Proxy /api/voice/stt|tts|voices + /chat-SSE an Hermes mit Bearer API_SERVER_KEY + X-Hermes-Session-Id für server-seitigen Verlauf). config.py: VOICE_SERVICE_URL + HERMES_API_KEY (Fallback aus ~/.hermes/.env). System-Dienstliste + Wartung (Restart/Logs) um voice-service ergänzt. - Frontend: Sprechen-Tab mit 3D-Avatar (VRM via three-vrm) — Lippensync (Web-Audio-Pegel), Blinzeln, Sentiment-Mimik, Ruhepose. Avatar-Picker (CORS-freie Galerie + .vrm-Upload + URL + VRoid-Hub-Link) + Stimm-Auswahl. Push-to-talk (Knopf/Leertaste). Deps: three, r3f, drei. - Deploy: deploy/voice-service.service + deploy.sh (idempotenter Sidecar-Install, enable, restart). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Hitonabi
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"""
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Voice-Endpoints für „Mit Hermes reden" (Browser-Voice + 3D-Avatar).
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Dünner Layer: STT/TTS werden zum Voice-Sidecar (:8650) geproxyt; der Chat geht an den
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Hermes-`api_server` (:8642, OpenAI-kompatibel) — denselben vollen Agenten mit Tools +
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geteiltem Mem0 wie CLI/Telegram. Mit stabilem `X-Hermes-Session-Id` hält die Plattform den
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Transcript server-seitig, daher schickt der Client je Turn nur die neue User-Nachricht.
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LAN-only (kein Token in der 2.0-Phase), wie die übrigen MC2-Endpoints.
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"""
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import logging
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import httpx
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from fastapi import APIRouter, File, Form, HTTPException, UploadFile
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from fastapi.responses import Response, StreamingResponse
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from pydantic import BaseModel
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from config import HERMES_API_KEY, HERMES_API_MODEL, HERMES_API_URL, VOICE_SERVICE_URL
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log = logging.getLogger(__name__)
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router = APIRouter(prefix="/api")
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_TIMEOUT = httpx.Timeout(120.0, connect=5.0) # Chatterbox-TTS auf CPU darf dauern
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class TTSIn(BaseModel):
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text: str
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engine: str = "piper"
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voice: str = ""
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language: str = ""
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ref_path: str = ""
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class ChatIn(BaseModel):
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text: str # die neue User-Äußerung (STT-Ergebnis)
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session_id: str # stabiler Voice-Faden → server-seitiger Transcript
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session_key: str = "" # optional: Langzeit-Memory-Scope
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system: str = "" # optionaler ephemerer System-Prompt (z.B. „antworte knapp/gesprochen")
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model: str = ""
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@router.get("/voice/health")
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def voice_health() -> dict:
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"""Erreichbarkeit des Voice-Sidecars + ob der Hermes-API-Key gesetzt ist."""
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out: dict = {"sidecar": False, "hermes_key": bool(HERMES_API_KEY)}
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try:
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r = httpx.get(f"{VOICE_SERVICE_URL}/health", timeout=httpx.Timeout(5.0))
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out["sidecar"] = r.status_code == 200
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out["detail"] = r.json() if r.status_code == 200 else None
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except Exception as exc: # noqa: BLE001
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out["error"] = str(exc)
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return out
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@router.get("/voice/voices")
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def voice_voices() -> dict:
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try:
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r = httpx.get(f"{VOICE_SERVICE_URL}/voices", timeout=httpx.Timeout(10.0))
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r.raise_for_status()
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return r.json()
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except Exception as exc: # noqa: BLE001
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raise HTTPException(502, f"Voice-Sidecar nicht erreichbar: {exc}")
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@router.post("/voice/stt")
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async def voice_stt(audio: UploadFile = File(...), language: str = Form(default="")) -> dict:
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"""Mikro-Audio → Text (Proxy auf Sidecar /stt)."""
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data = await audio.read()
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if not data:
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raise HTTPException(400, "Leeres Audio.")
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files = {"audio": (audio.filename or "rec.webm", data, audio.content_type or "audio/webm")}
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try:
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async with httpx.AsyncClient(timeout=_TIMEOUT) as client:
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r = await client.post(f"{VOICE_SERVICE_URL}/stt", files=files, data={"language": language})
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r.raise_for_status()
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return r.json()
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except httpx.HTTPError as exc:
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raise HTTPException(502, f"STT fehlgeschlagen: {exc}")
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@router.post("/voice/tts")
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async def voice_tts(body: TTSIn) -> Response:
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"""Text → Sprache (Proxy auf Sidecar /tts), liefert WAV-Bytes."""
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try:
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async with httpx.AsyncClient(timeout=_TIMEOUT) as client:
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r = await client.post(f"{VOICE_SERVICE_URL}/tts", json=body.model_dump())
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r.raise_for_status()
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return Response(content=r.content, media_type=r.headers.get("content-type", "audio/wav"))
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except httpx.HTTPError as exc:
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raise HTTPException(502, f"TTS fehlgeschlagen: {exc}")
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@router.post("/voice/chat")
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async def voice_chat(body: ChatIn) -> StreamingResponse:
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"""Neue User-Äußerung → Hermes-Agent (api_server, streamend). SSE wird 1:1 durchgereicht.
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Mit `X-Hermes-Session-Id` hält die Plattform den Verlauf — wir senden nur die neue Nachricht.
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Auth per Bearer (API_SERVER_KEY); ohne Key liefert :8642 ein 401."""
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if not HERMES_API_KEY:
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raise HTTPException(503, "HERMES_API_KEY/API_SERVER_KEY nicht gesetzt — Agent-Auth fehlt.")
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messages = []
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if body.system:
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messages.append({"role": "system", "content": body.system})
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messages.append({"role": "user", "content": body.text})
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payload = {"model": body.model or HERMES_API_MODEL, "messages": messages, "stream": True}
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headers = {
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"Authorization": f"Bearer {HERMES_API_KEY}",
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"X-Hermes-Session-Id": body.session_id,
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}
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if body.session_key:
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headers["X-Hermes-Session-Key"] = body.session_key
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async def gen():
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try:
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async with httpx.AsyncClient(timeout=httpx.Timeout(None, connect=5.0)) as client:
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async with client.stream(
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"POST", f"{HERMES_API_URL}/v1/chat/completions", json=payload, headers=headers,
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) as r:
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if r.status_code != 200:
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detail = (await r.aread()).decode("utf-8", "replace")[:500]
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yield f"data: {{\"error\": \"Hermes {r.status_code}: {detail}\"}}\n\n".encode()
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return
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async for chunk in r.aiter_raw():
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yield chunk
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except httpx.HTTPError as exc:
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yield f"data: {{\"error\": \"Verbindung zu Hermes fehlgeschlagen: {exc}\"}}\n\n".encode()
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return StreamingResponse(gen(), media_type="text/event-stream")
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