2026-08-21 23:13:09 +00:00
58 changed files with 2937 additions and 104 deletions
--- a/dockerfiles/Dockerfile.hermes-agent
+++ b/dockerfiles/Dockerfile.hermes-agent
@ -1526,7 +1526,7 @@ function replaceOnce(source, before, after, label) {
          it to the shared Hermes bot from your Telegram account.
        </p>
        <a
-          href="https://chat.hermes.bstein.dev/telegram"
+          href="https://chat.bstein.dev/telegram"
          className="mt-4 inline-flex rounded border border-current/30 px-4 py-2 text-sm font-medium text-midground hover:bg-midground/10"
        >
          Open Telegram setup
--- a/dockerfiles/Dockerfile.hermes-jetson-tts
+++ b/dockerfiles/Dockerfile.hermes-jetson-tts
@ -24,18 +24,41 @@ ADD --checksum=sha256:f7d01dde371555732c4c314111ac79672b1a5ce2fc19266ab42178fd8d
 ADD --checksum=sha256:45754dfdebb3b8661c3fc564713772deec6e064feeb5b4e9594857dc7305193a --chmod=0444 \
    https://huggingface.co/rhasspy/piper-voices/resolve/ea046e8458f6acd997706d6e6066a022b42f6fb1/en/en_US/lessac/low/en_US-lessac-low.onnx.json?download=true \
    /opt/models/piper/en_US-lessac-low.onnx.json
+
+# Multilingual chat voice policy: English -> amy, Russian -> irina, Spanish ->
+# claude (Mexican Spanish, the only "claude" voice rhasspy/piper-voices
+# publishes; there is no es_ES-claude).
+ADD --checksum=sha256:b3a6e47b57b8c7fbe6a0ce2518161a50f59a9cdd8a50835c02cb02bdd6206c18 --chmod=0444 \
+    https://huggingface.co/rhasspy/piper-voices/resolve/ea046e8458f6acd997706d6e6066a022b42f6fb1/en/en_US/amy/medium/en_US-amy-medium.onnx?download=true \
+    /opt/models/piper/en_US-amy-medium.onnx
+ADD --checksum=sha256:95a23eb4d42909d38df73bb9ac7f45f597dbfcde2d1bf9526fdeaf5466977d77 --chmod=0444 \
+    https://huggingface.co/rhasspy/piper-voices/resolve/ea046e8458f6acd997706d6e6066a022b42f6fb1/en/en_US/amy/medium/en_US-amy-medium.onnx.json?download=true \
+    /opt/models/piper/en_US-amy-medium.onnx.json
+ADD --checksum=sha256:8ff38212d23da300bbe3705c645e6e5b9475f0bfde01558eb17813e22acaaaaa --chmod=0444 \
+    https://huggingface.co/rhasspy/piper-voices/resolve/ea046e8458f6acd997706d6e6066a022b42f6fb1/ru/ru_RU/irina/medium/ru_RU-irina-medium.onnx?download=true \
+    /opt/models/piper/ru_RU-irina-medium.onnx
+ADD --checksum=sha256:c2ec28bb38e2b59e93b959b3e40348c1afebbd272f30fed5d41205d08e98a9d7 --chmod=0444 \
+    https://huggingface.co/rhasspy/piper-voices/resolve/ea046e8458f6acd997706d6e6066a022b42f6fb1/ru/ru_RU/irina/medium/ru_RU-irina-medium.onnx.json?download=true \
+    /opt/models/piper/ru_RU-irina-medium.onnx.json
+ADD --checksum=sha256:3ef40a71ea63852cd8ab7e6fa7d2ecdcfa67a0b47c9c48e3f10e02ee02083ea0 --chmod=0444 \
+    https://huggingface.co/rhasspy/piper-voices/resolve/ea046e8458f6acd997706d6e6066a022b42f6fb1/es/es_MX/claude/high/es_MX-claude-high.onnx?download=true \
+    /opt/models/piper/es_MX-claude-high.onnx
+ADD --checksum=sha256:1afc81f703c0e4cb3b4d7c0dca096b8b54a98806807f0170cf5eb5557723c12d --chmod=0444 \
+    https://huggingface.co/rhasspy/piper-voices/resolve/ea046e8458f6acd997706d6e6066a022b42f6fb1/es/es_MX/claude/high/es_MX-claude-high.onnx.json?download=true \
+    /opt/models/piper/es_MX-claude-high.onnx.json
 RUN chmod 0555 /opt/models /opt/models/piper

 COPY dockerfiles/hermes-jetson-tts-server.py /opt/atlas/hermes-jetson-tts-server.py
 RUN chmod 0555 /opt/atlas/hermes-jetson-tts-server.py

-# Load the actual pinned voice during the ARM64 build. This catches package or
-# model-format drift before the image can reach Flux.
-RUN python -c "import stat; from pathlib import Path; from piper import PiperVoice; p=Path('/opt/models/piper'); models=[p/'en_US-lessac-high.onnx',p/'en_US-lessac-medium.onnx',p/'en_US-lessac-low.onnx']; assert stat.S_IMODE(p.stat().st_mode)==0o555; assert all(stat.S_IMODE(model.stat().st_mode)==0o444 for model in models); voices=[PiperVoice.load(model,Path(str(model)+'.json'),use_cuda=False,download_dir=p) for model in models]; assert all(voice.config.sample_rate>0 for voice in voices)"
+# Load every pinned voice during the ARM64 build, including the three baked
+# for the multilingual chat policy. This catches package or model-format
+# drift before the image can reach Flux.
+RUN python -c "import stat; from pathlib import Path; from piper import PiperVoice; p=Path('/opt/models/piper'); models=[p/'en_US-lessac-high.onnx',p/'en_US-lessac-medium.onnx',p/'en_US-lessac-low.onnx',p/'en_US-amy-medium.onnx',p/'ru_RU-irina-medium.onnx',p/'es_MX-claude-high.onnx']; assert stat.S_IMODE(p.stat().st_mode)==0o555; assert all(stat.S_IMODE(model.stat().st_mode)==0o444 for model in models); voices=[PiperVoice.load(model,Path(str(model)+'.json'),use_cuda=False,download_dir=p) for model in models]; assert all(voice.config.sample_rate>0 for voice in voices)"

 ENV HERMES_TTS_HOST=0.0.0.0 \
    HERMES_TTS_PORT=9001 \
-    HERMES_TTS_VOICE=en_US-lessac-medium \
+    HERMES_TTS_VOICE=en_US-amy-medium \
    HERMES_TTS_CACHE=/opt/models/piper \
    OMP_NUM_THREADS=2 \
    PYTHONDONTWRITEBYTECODE=1 \
--- a/dockerfiles/Dockerfile.hermes-webui
+++ b/dockerfiles/Dockerfile.hermes-webui
@ -90,12 +90,14 @@ PY
 # Add the Atlas voice bridge as a narrow integration layer. It activates only
 # when a tenant's server-side STT capability reports the private Jetson route.
 COPY dockerfiles/hermes-webui-atlas-patch.py /tmp/hermes-webui-atlas-patch.py
+COPY dockerfiles/hermes-webui-stt-patch.py /tmp/hermes-webui-stt-patch.py
 COPY dockerfiles/hermes-webui-telegram-project-patch.py /tmp/hermes-webui-telegram-project-patch.py
 COPY dockerfiles/hermes-webui-atlas-voice.js /opt/hermes-webui/static/atlas-voice.js
 COPY dockerfiles/hermes-webui-atlas-voice.css /opt/hermes-webui/static/atlas-voice.css
 COPY dockerfiles/hermes-webui-router-patch.py /tmp/hermes-webui-router-patch.py
 COPY dockerfiles/hermes-webui-router.js /opt/hermes-webui/static/atlas-router.js
 RUN /opt/hermes/.venv/bin/python /tmp/hermes-webui-atlas-patch.py
+RUN /opt/hermes/.venv/bin/python /tmp/hermes-webui-stt-patch.py
 RUN /opt/hermes/.venv/bin/python /tmp/hermes-webui-telegram-project-patch.py
 RUN /opt/hermes/.venv/bin/python /tmp/hermes-webui-router-patch.py

@ -109,6 +111,7 @@ RUN /opt/hermes/.venv/bin/python -c 'import cryptography, yaml' \
    && grep -Fq "'atlas/auto/maximum': 'Automatic · Maximum'" /opt/hermes-webui/static/panels.js \
    && grep -Fq 'Atlas Jetson (private)' /opt/hermes-webui/static/index.html \
    && grep -Fq 'HERMES_WEBUI_ATLAS_TTS_URL' /opt/hermes-webui/api/routes.py \
+    && grep -Fq 'Audio conversion failed: upload is invalid' /opt/hermes/tools/transcription_tools.py \
    && grep -Fq "capability.provider!=='local_command'" /opt/hermes-webui/static/atlas-voice.js \
    && grep -Fq 'prefers-reduced-motion: reduce' /opt/hermes-webui/static/atlas-voice.css \
    && grep -Fq 'id="voiceInstrumentStyles"' /opt/hermes-webui/static/index.html \
@ -116,9 +119,16 @@ RUN /opt/hermes/.venv/bin/python -c 'import cryptography, yaml' \
    && grep -Fq 'routing_priority:priority' /opt/hermes-webui/static/atlas-router.js \
    && grep -Fq "'atlas/auto/fast':'Automatic · Fast'" /opt/hermes-webui/static/atlas-router.js \
    && grep -Fq 'explicit_reasoning_effort' /opt/hermes-webui/api/gateway_chat.py \
+    && grep -Fq '"language": detected_language' /opt/hermes/tools/transcription_tools.py \
+    && grep -Fq "'language': detected" /opt/hermes-webui/api/upload.py \
+    && grep -Fq 'def _atlas_tts_language(body):' /opt/hermes-webui/api/routes.py \
+    && grep -Fq 'request_payload["language"] = _atlas_language' /opt/hermes-webui/api/routes.py \
+    && grep -Fq 'takeSttLanguage(token)' /opt/hermes-webui/static/atlas-voice.js \
    && /opt/hermes/.venv/bin/python -m py_compile \
        /opt/hermes-webui/api/routes.py \
-        /opt/hermes-webui/api/gateway_chat.py
+        /opt/hermes-webui/api/upload.py \
+        /opt/hermes-webui/api/gateway_chat.py \
+        /opt/hermes/tools/transcription_tools.py

 # Exercise the real server process in the target architecture before publish.
 RUN set -eu; \
--- a/dockerfiles/hermes-jetson-stt-server.py
+++ b/dockerfiles/hermes-jetson-stt-server.py
@ -62,6 +62,34 @@ def _clean_transcript(result: dict) -> str:
    return " ".join(kept).strip()


+def _detected_language(result: object) -> str:
+    """Return the bare ISO-639 code Whisper decoded with, or nothing at all.
+
+    ``whisper.transcribe`` reports the language it auto-detected (or the one it
+    was told to use) as a plain lowercase token such as ``en``/``ru``/``yue``.
+    Anything that is not that exact shape is dropped rather than guessed at, so
+    a surprising model result can never become a downstream voice selector.
+    """
+    if not isinstance(result, dict):
+        return ""
+    value = result.get("language")
+    if not isinstance(value, str):
+        return ""
+    code = value.strip().lower()
+    if not 2 <= len(code) <= 3 or not code.isascii() or not code.isalpha():
+        return ""
+    return code
+
+
+def _transcription_payload(result: dict) -> dict:
+    """Build the transcription contract: text plus the model's own language."""
+    return {
+        "text": _clean_transcript(result),
+        "model": MODEL_NAME,
+        "language": _detected_language(result),
+    }
+
+
 def _json(handler: BaseHTTPRequestHandler, status: int, payload: dict) -> None:
    body = json.dumps(payload).encode("utf-8")
    handler.send_response(status)
@ -148,8 +176,7 @@ class SpeechHandler(BaseHTTPRequestHandler):
                    no_speech_threshold=0.5,
                    verbose=False,
                )
-            transcript = _clean_transcript(result)
-            _json(self, 200, {"text": transcript, "model": MODEL_NAME})
+            _json(self, 200, _transcription_payload(result))
        except Exception as exc:
            print(f"[stt] transcription failed: {exc}", flush=True)
            _json(self, 500, {"error": "transcription failed"})
--- a/dockerfiles/hermes-jetson-tts-server.py
+++ b/dockerfiles/hermes-jetson-tts-server.py
@ -17,12 +17,50 @@ from piper import PiperConfig, PiperVoice, SynthesisConfig

 HOST = os.getenv("HERMES_TTS_HOST", "0.0.0.0")
 PORT = int(os.getenv("HERMES_TTS_PORT", "9001"))
-VOICE_NAME = os.getenv("HERMES_TTS_VOICE", "en_US-lessac-high")
 CACHE_DIR = Path(os.getenv("HERMES_TTS_CACHE", "/cache/piper"))
 MAX_TEXT_CHARS = 5000
 ONNX_THREADS = max(1, int(os.getenv("HERMES_TTS_ONNX_THREADS", "4")))
 VOICE_LOCK = threading.Lock()

+# Fixed, allow-listed language -> baked voice mapping. This is the ONLY path
+# from a client-supplied string to a model name: client input is looked up
+# here and never used to build a filesystem path directly. Both "-" and "_"
+# separators and any case are accepted; anything not present here falls back
+# to DEFAULT_VOICE_NAME (safe English default), never an error and never an
+# unbaked model.
+LANGUAGE_VOICE_MAP = {
+    "en": "en_US-amy-medium",
+    "en-us": "en_US-amy-medium",
+    "ru": "ru_RU-irina-medium",
+    "ru-ru": "ru_RU-irina-medium",
+    "es": "es_MX-claude-high",
+    "es-mx": "es_MX-claude-high",
+    "es-es": "es_MX-claude-high",
+}
+BAKED_VOICE_NAMES = frozenset(LANGUAGE_VOICE_MAP.values())
+DEFAULT_VOICE_NAME = os.getenv("HERMES_TTS_VOICE", "en_US-amy-medium")
+
+
+def normalize_language(value: object) -> str | None:
+    """Lowercase and fold "_"/"-" separators; reject non-string/blank input."""
+    if not isinstance(value, str):
+        return None
+    normalized = value.strip().lower().replace("_", "-")
+    return normalized or None
+
+
+def resolve_voice_name(language: object) -> str:
+    """Map a client-supplied language to one of the baked policy voices.
+
+    Unknown, missing, or malformed language always resolves to the safe
+    default rather than raising, and the result is always a member of
+    BAKED_VOICE_NAMES.
+    """
+    normalized = normalize_language(language)
+    if normalized is None:
+        return DEFAULT_VOICE_NAME
+    return LANGUAGE_VOICE_MAP.get(normalized, DEFAULT_VOICE_NAME)
+

 def _json(handler: BaseHTTPRequestHandler, status: int, payload: dict) -> None:
    body = json.dumps(payload).encode("utf-8")
@ -46,7 +84,16 @@ class SpeechHandler(BaseHTTPRequestHandler):
        if self.path != "/health":
            _json(self, 404, {"error": "not found"})
            return
-        _json(self, 200, {"ok": True, "voice": VOICE_NAME, "device": "cpu"})
+        _json(
+            self,
+            200,
+            {
+                "ok": True,
+                "voices": sorted(self.server.voices),  # type: ignore[attr-defined]
+                "default_voice": self.server.default_voice_name,  # type: ignore[attr-defined]
+                "device": "cpu",
+            },
+        )

    def do_POST(self) -> None:
        if self.path != "/v1/audio/speech":
@ -71,10 +118,16 @@ class SpeechHandler(BaseHTTPRequestHandler):
            return
        speed = min(2.0, max(0.5, speed))

+        # Policy is driven ONLY by "language". A client-supplied "voice"
+        # field is deliberately never read here; it cannot override the
+        # allow-listed mapping.
+        voice_name = resolve_voice_name(payload.get("language"))
+        voice = self.server.voices[voice_name]  # type: ignore[attr-defined]
+
        output = io.BytesIO()
        try:
            with VOICE_LOCK, wave.open(output, "wb") as wav_file:
-                self.server.voice.synthesize_wav(  # type: ignore[attr-defined]
+                voice.synthesize_wav(
                    text,
                    wav_file,
                    SynthesisConfig(length_scale=1.0 / speed),
@ -84,6 +137,7 @@ class SpeechHandler(BaseHTTPRequestHandler):
            self.send_header("Content-Type", "audio/wav")
            self.send_header("Content-Length", str(len(audio)))
            self.send_header("Cache-Control", "no-store")
+            self.send_header("X-TTS-Voice", voice_name)
            self.end_headers()
            self.wfile.write(audio)
        except Exception as exc:
@ -91,30 +145,54 @@ class SpeechHandler(BaseHTTPRequestHandler):
            _json(self, 500, {"error": "speech synthesis failed"})


-def main() -> None:
-    """Load the checksum-pinned voice from the image and serve it on CPU."""
-    CACHE_DIR.mkdir(parents=True, exist_ok=True)
-    model_path = CACHE_DIR / f"{VOICE_NAME}.onnx"
-    config_path = CACHE_DIR / f"{VOICE_NAME}.onnx.json"
+def _load_voice(cache_dir: Path, voice_name: str, threads: int) -> PiperVoice:
+    model_path = cache_dir / f"{voice_name}.onnx"
+    config_path = cache_dir / f"{voice_name}.onnx.json"
    if not model_path.exists() or not config_path.exists():
-        raise RuntimeError(f"baked Piper voice is missing: {VOICE_NAME}")
+        raise RuntimeError(f"baked Piper voice is missing: {voice_name}")
    with config_path.open("r", encoding="utf-8") as config_file:
        config = PiperConfig.from_dict(json.load(config_file))
    session_options = onnxruntime.SessionOptions()
-    session_options.intra_op_num_threads = ONNX_THREADS
+    session_options.intra_op_num_threads = threads
    session_options.inter_op_num_threads = 1
    session = onnxruntime.InferenceSession(
        str(model_path),
        sess_options=session_options,
        providers=["CPUExecutionProvider"],
    )
-    voice = PiperVoice(session=session, config=config, download_dir=CACHE_DIR)
+    return PiperVoice(session=session, config=config, download_dir=cache_dir)
+
+
+def load_voices(cache_dir: Path, threads: int) -> dict[str, PiperVoice]:
+    """Eagerly load all three policy voices.
+
+    Preload (not lazy-load-on-first-use) was chosen deliberately: measured
+    RSS on this model set is ~88MB for one voice and ~243MB for all three
+    (~+155MB versus the previous single-voice baseline), which comfortably
+    fits the pod's memory budget on the CPU-only voice node. Preloading
+    avoids a slow, request-serializing first synthesis per language and
+    keeps the fail-closed missing-model check (below) at process start
+    rather than deferring a possible crash to a live user request.
+    """
+    return {name: _load_voice(cache_dir, name, threads) for name in sorted(BAKED_VOICE_NAMES)}
+
+
+def main() -> None:
+    """Load the checksum-pinned policy voices from the image and serve them on CPU."""
+    CACHE_DIR.mkdir(parents=True, exist_ok=True)
+    if DEFAULT_VOICE_NAME not in BAKED_VOICE_NAMES:
+        raise RuntimeError(
+            f"HERMES_TTS_VOICE must name one of the baked policy voices: {sorted(BAKED_VOICE_NAMES)}"
+        )
+    voices = load_voices(CACHE_DIR, ONNX_THREADS)
    print(
-        f"[tts] loaded Piper voice {VOICE_NAME} on CPU with {ONNX_THREADS} ONNX threads",
+        f"[tts] loaded {len(voices)} Piper voices on CPU with {ONNX_THREADS} ONNX threads each: "
+        + ", ".join(sorted(voices)),
        flush=True,
    )
    server = ThreadingHTTPServer((HOST, PORT), SpeechHandler)
-    server.voice = voice  # type: ignore[attr-defined]
+    server.voices = voices  # type: ignore[attr-defined]
+    server.default_voice_name = DEFAULT_VOICE_NAME  # type: ignore[attr-defined]
    print(f"[tts] ready on {HOST}:{PORT}", flush=True)
    server.serve_forever(poll_interval=0.25)

--- a/dockerfiles/hermes-public-extract/provider.py
+++ b/dockerfiles/hermes-public-extract/provider.py
@ -65,7 +65,7 @@ def _fetch_public(url: str) -> tuple[str, str, str]:
    """Fetch one public URL with redirect, size, MIME, and policy checks."""
    current = url
    headers = {
-        "User-Agent": "HermesPrivateChat/1.0 (+https://chat.hermes.bstein.dev)",
+        "User-Agent": "HermesPrivateChat/1.0 (+https://chat.bstein.dev)",
        "Accept": "text/html, text/plain;q=0.9, application/xhtml+xml;q=0.8",
    }
    with httpx.Client(follow_redirects=False, timeout=15.0, headers=headers) as client:
--- a/dockerfiles/hermes-webui-atlas-patch.py
+++ b/dockerfiles/hermes-webui-atlas-patch.py
@ -6,6 +6,9 @@ from pathlib import Path


 ROOT = Path(os.environ.get("HERMES_WEBUI_PATCH_ROOT", "/opt/hermes-webui"))
+# The WebUI imports the pinned agent's STT tooling from the same image, so the
+# local-command transcription envelope is patched alongside the WebUI itself.
+AGENT_ROOT = Path(os.environ.get("HERMES_AGENT_PATCH_ROOT", "/opt/hermes"))


 def replace_exact(path: Path, before: str, after: str, count: int = 1) -> None:
@ -16,6 +19,43 @@ def replace_exact(path: Path, before: str, after: str, count: int = 1) -> None:
    path.write_text(source.replace(before, after, count), encoding="utf-8")


+def replace_between_exact(
+    path: Path, start: str, end: str, after: str = "", count: int = 1
+) -> None:
+    """Replace one exact, bounded upstream region and fail when the pin drifts."""
+    source = path.read_text(encoding="utf-8")
+    if source.count(start) != count or source.count(end) != count:
+        raise SystemExit(
+            f"Atlas voice patch context changed in {path}: {start[:80]!r}"
+        )
+    start_index = source.index(start)
+    end_index = source.index(end, start_index) + len(end)
+    path.write_text(
+        source[:start_index] + after + source[end_index:], encoding="utf-8"
+    )
+
+
+def assert_absent(path: Path, *needles: str) -> None:
+    """Fail the image build if a removed voice-choice surface remains."""
+    source = path.read_text(encoding="utf-8")
+    remaining = [needle for needle in needles if needle in source]
+    if remaining:
+        raise SystemExit(f"Atlas voice choice remains in {path}: {remaining!r}")
+
+
+def remove_lines_containing(path: Path, *needles: str) -> None:
+    """Remove all pinned translation entries for a retired settings control."""
+    source = path.read_text(encoding="utf-8")
+    for needle in needles:
+        if needle not in source:
+            raise SystemExit(f"Atlas voice patch context changed in {path}: {needle!r}")
+    lines = source.splitlines(keepends=True)
+    path.write_text(
+        "".join(line for line in lines if not any(n in line for n in needles)),
+        encoding="utf-8",
+    )
+
+
 index = ROOT / "static/index.html"
 replace_exact(
    index,
@ -29,6 +69,16 @@ replace_exact(
    '<option value="browser">Browser speech synthesis</option><option value="edge">Edge TTS (server)</option>',
    '<option value="atlas">Atlas Jetson (private)</option><option value="browser">Browser speech synthesis</option><option value="edge">Edge TTS (server)</option>',
 )
+replace_exact(
+    index,
+    '''<div class="settings-field"><label for="settingsTtsVoice" data-i18n="settings_label_tts_voice">Voice</label>
+              <select id="settingsTtsVoice" style="width:100%;padding:8px;background:var(--code-bg);color:var(--text);border:1px solid var(--border2);border-radius:6px">
+                <option value="">Default system voice</option>
+              </select>
+              <div style="font-size:11px;color:var(--muted);margin-top:4px" data-i18n="settings_desc_tts_voice">Preferred voice. Populated from your browser's available voices.</div>
+            </div>''',
+    "",
+)
 replace_exact(
    index,
    '<script src="static/boot.js?v=__WEBUI_VERSION__" defer></script>',
@ -62,11 +112,33 @@ replace_exact(
 )

 ui = ROOT / "static/ui.js"
+replace_exact(
+    ui,
+    '''  const savedVoice=localStorage.getItem('hermes-tts-voice');
+  const voices=speechSynthesis.getVoices();
+  if(savedVoice&&voices.length){
+    const match=voices.find(v=>v.name===savedVoice);
+    if(match) utter.voice=match;
+  }
+''',
+    "",
+)
 replace_exact(ui, "function _playEdgeTtsChunked(text, btn){", "function _playEdgeTtsChunked(text, btn, engineOverride){")
+replace_exact(
+    ui,
+    "    const voice=localStorage.getItem('hermes-tts-voice')||'zh-CN-XiaoxiaoNeural';\n",
+    "",
+)
 replace_exact(
    ui,
    "body:JSON.stringify({text:chunk, voice:voice, rate:rate, pitch:pitch})",
-    "body:JSON.stringify({text:chunk, voice:voice, rate:rate, pitch:pitch, engine:engineOverride||'edge'})",
+    "body:JSON.stringify({text:chunk, rate:rate, pitch:pitch, engine:engineOverride||'edge'})",
+)
+replace_exact(
+    ui,
+    "      voice: localStorage.getItem('hermes-tts-voice')||'',\n",
+    "",
+    count=2,
 )
 replace_exact(
    ui,
@ -79,7 +151,177 @@ replace_exact(
    "if(engine==='edge'||engine==='atlas'){\n    _playEdgeTtsChunked(clean, null, engine);",
 )

+panels = ROOT / "static/panels.js"
+replace_exact(panels, "  tts_voice:'hermes-tts-voice',\n", "")
+replace_exact(
+    panels,
+    '''  const ttsVoiceSel=$('settingsTtsVoice');
+  if(ttsVoiceSel) _setOwnedSpeechPayload(payload,'tts_voice',ttsVoiceSel.value||'');
+''',
+    "",
+)
+replace_exact(
+    panels,
+    '''        localStorage.setItem('hermes-tts-engine',this.value);
+        window._populateTtsVoices();
+        _schedulePreferencesAutosave();''',
+    '''        localStorage.setItem('hermes-tts-engine',this.value);
+        _schedulePreferencesAutosave();''',
+)
+replace_between_exact(
+    panels,
+    "    // Populate voice selector based on engine\n",
+    "    // TTS rate/pitch sliders\n",
+    "    // TTS speaker selection is intentionally server policy only.\n",
+)
+replace_exact(
+    panels,
+    "let _settingsSpeechChangedKeys=new Set();\n",
+    "let _settingsSpeechChangedKeys=new Set();\n"
+    "try{localStorage.removeItem('hermes-tts-voice');}catch(_){}\n",
+)
+
+boot = ROOT / "static/boot.js"
+replace_exact(
+    boot,
+    '''        voice: localStorage.getItem("hermes-tts-voice")||'',
+''',
+    "",
+)
+replace_exact(
+    boot,
+    '''      const voice=localStorage.getItem("hermes-tts-voice")||"zh-CN-XiaoxiaoNeural";
+''',
+    "",
+)
+replace_exact(
+    boot,
+    "        body: JSON.stringify({text: clean, voice, rate, pitch})",
+    "        body: JSON.stringify({text: clean, rate, pitch})",
+)
+replace_exact(
+    boot,
+    '''    const savedVoice=localStorage.getItem('hermes-tts-voice');
+    const voices=speechSynthesis.getVoices();
+    if(savedVoice&&voices.length){
+      const match=voices.find(v=>v.name===savedVoice);
+      if(match) utter.voice=match;
+    }
+''',
+    "",
+)
+replace_exact(boot, "    tts_voice:'',\n", "")
+replace_exact(boot, "    ['tts_voice','hermes-tts-voice'],\n", "")
+
+config = ROOT / "api/config.py"
+replace_exact(config, '    "tts_voice": "",\n', "")
+replace_exact(config, '    "tts_voice",\n', "")
+replace_exact(
+    config,
+    '''            if k == "tts_voice":
+                if not isinstance(v, str) or len(v) > 200 or "\\x00" in v:
+                    continue
+''',
+    "",
+)
+
+assert_absent(index, "settingsTtsVoice", "settings_label_tts_voice")
+assert_absent(ui, "hermes-tts-voice", "voice:voice")
+assert_absent(panels, "settingsTtsVoice", "tts_voice")
+assert_absent(boot, "hermes-tts-voice", "tts_voice", "text: clean, voice")
+assert_absent(config, '"tts_voice"')
+
+i18n = ROOT / "static/i18n.js"
+remove_lines_containing(
+    i18n,
+    "settings_label_tts_voice:",
+    "settings_desc_tts_voice:",
+)
+assert_absent(i18n, "settings_label_tts_voice", "settings_desc_tts_voice")
+
+# The private Whisper service reports the language it decoded with. Carry that
+# through the agent's local-command STT envelope so the WebUI can hand a voice
+# hint to Piper instead of guessing the reply's language from its text.
+transcription = AGENT_ROOT / "tools/transcription_tools.py"
+replace_exact(
+    transcription,
+    '''            transcript_text = txt_files[0].read_text(encoding="utf-8").strip()
+            logger.info(
+                "Transcribed %s via local STT command (%s, %d chars)",
+                Path(file_path).name,
+                normalized_model,
+                len(transcript_text),
+            )
+            return {"success": True, "transcript": transcript_text, "provider": "local_command"}
+''',
+    '''            transcript_text = txt_files[0].read_text(encoding="utf-8").strip()
+            logger.info(
+                "Transcribed %s via local STT command (%s, %d chars)",
+                Path(file_path).name,
+                normalized_model,
+                len(transcript_text),
+            )
+            detected_language = ""
+            language_files = sorted(Path(output_dir).glob("*.language"))
+            if language_files:
+                try:
+                    candidate = language_files[0].read_text(encoding="utf-8").strip().lower()
+                except (OSError, ValueError):
+                    candidate = ""
+                if 2 <= len(candidate) <= 3 and candidate.isascii() and candidate.isalpha():
+                    detected_language = candidate
+            return {
+                "success": True,
+                "transcript": transcript_text,
+                "provider": "local_command",
+                "language": detected_language,
+            }
+''',
+)
+
+upload = ROOT / "api/upload.py"
+replace_exact(
+    upload,
+    """        transcript = str(result.get('transcript') or '').strip()
+        return j(handler, {'ok': True, 'transcript': transcript})
+""",
+    """        transcript = str(result.get('transcript') or '').strip()
+        detected = str(result.get('language') or '').strip().lower()
+        if not (2 <= len(detected) <= 3 and detected.isascii() and detected.isalpha()):
+            detected = ''
+        return j(handler, {'ok': True, 'transcript': transcript, 'language': detected})
+""",
+)
+
 routes = ROOT / "api/routes.py"
+replace_exact(
+    routes,
+    "def _tts_open(req, *, timeout=30, opener_factory=None):",
+    '''ATLAS_TTS_LANGUAGES = ("en", "ru", "es")
+
+
+def _atlas_tts_language(body):
+    """Return a plain, allow-listed en/ru/es code, or "" to send no language.
+
+    This is a trust boundary, not a parser. Only the exact normalized codes the
+    private Piper deployment bakes a voice for are forwarded; a missing field,
+    a wrong type, a region tag, padding, control characters, a traversal or
+    injection string, an oversized value, an object, an array, a number or a
+    client-supplied "voice" all resolve to "" and the language field is then
+    omitted entirely, so the Jetson service applies its own English default.
+    Coercing a malformed value into a supported code would let a browser
+    describe hostile input as a language we support; omission cannot.
+    """
+    if not isinstance(body, dict):
+        return ""
+    value = body.get("language")
+    if not isinstance(value, str):
+        return ""
+    return value if value in ATLAS_TTS_LANGUAGES else ""
+
+
+def _tts_open(req, *, timeout=30, opener_factory=None):''',
+)
 marker = "    # ── ElevenLabs TTS ──────────────────────────────────────────────────\n"
 atlas = '''    # ── Atlas private Jetson TTS ─────────────────────────────────────────
    if engine == "atlas":
@ -94,12 +336,19 @@ atlas = '''    # ── Atlas private Jetson TTS ──────────
                speed = max(0.5, min(2.0, 1.0 + (float(rate_str.rstrip("%")) / 100.0)))
            except ValueError:
                speed = 1.0
-        request_body = json.dumps({
+        request_payload = {
            "model": "piper",
            "input": text,
-            "voice": "en_US-lessac-high",
            "speed": speed,
-        }).encode("utf-8")
+        }
+        # Attach a language ONLY when the browser sent a plain allow-listed
+        # code. Omitting it is the fail-safe: the Jetson service then speaks
+        # its own English default, which is also what every partially rolled
+        # out combination of these components degrades to.
+        _atlas_language = _atlas_tts_language(data)
+        if _atlas_language:
+            request_payload["language"] = _atlas_language
+        request_body = json.dumps(request_payload).encode("utf-8")
        request = Request(atlas_url, data=request_body, headers={
            "Content-Type": "application/json",
            "Accept": "audio/wav",
--- a/dockerfiles/hermes-webui-atlas-voice.js
+++ b/dockerfiles/hermes-webui-atlas-voice.js
@ -1,4 +1,4 @@
-// Natural turn-taking for chat.hermes.bstein.dev using the private Jetsons.
+// Natural turn-taking for chat.bstein.dev using the private Jetsons.
 (function(){
  'use strict';

@ -31,9 +31,37 @@
    error:'Voice unavailable',
    idle:'',
  };
+  // The only language signal this file trusts is the one the private Whisper
+  // service returned for the audio of the turn currently being answered. It is
+  // bound to that turn's generation token and consumed exactly once.
+  let sttLanguage='';
+  let sttLanguageToken=-1;
+  const TTS_LANGUAGES=['en','ru','es'];
  const originalAutoRead=window.autoReadLastAssistant;
  const originalApplyPreference=window._applyVoiceModePref;

+  function normalizeSttLanguage(value){
+    if(typeof value!=='string') return '';
+    const code=value.trim().toLowerCase();
+    return TTS_LANGUAGES.indexOf(code)>=0?code:'';
+  }
+
+  function clearSttLanguage(){
+    sttLanguage='';
+    sttLanguageToken=-1;
+  }
+
+  function rememberSttLanguage(language, token){
+    sttLanguage=language||'';
+    sttLanguageToken=sttLanguage?token:-1;
+  }
+
+  function takeSttLanguage(token){
+    const language=sttLanguageToken===token?sttLanguage:'';
+    clearSttLanguage();
+    return language;
+  }
+
  function toast(message){
    if(typeof window.showToast==='function') window.showToast(message,3000);
  }
@ -107,6 +135,7 @@
    active=false;
    thinkingSession=null;
    clearErrorTimer();
+    clearSttLanguage();
    stopCapture();
    stopPlayback();
    modeBtn.classList.remove('active');
@ -120,28 +149,36 @@
    },delay||500);
  }

-  function sendTranscript(transcript, token){
+  function sendTranscript(transcript, token, language){
    if(!active||token!==generation) return;
    const text=String(transcript||'').trim();
-    if(!text){restartSoon(token,350);return;}
+    if(!text){clearSttLanguage();restartSoon(token,350);return;}
    composer.value=text;
    if(typeof window.autoResize==='function') window.autoResize();
    thinkingSession=(typeof S!=='undefined'&&S.session)?S.session.session_id:null;
+    rememberSttLanguage(language,token);
    setState('thinking');
    if(typeof window.send==='function') window.send();
  }

+  function audioExtension(mimeType){
+    const normalized=String(mimeType||'').toLowerCase();
+    if(normalized.indexOf('ogg')>=0) return 'ogg';
+    if(normalized.indexOf('mp4')>=0) return 'mp4';
+    return 'webm';
+  }
+
  async function transcribe(blob, token){
    if(!active||token!==generation) return;
    setState('transcribing');
-    const ext=(blob.type||'').indexOf('ogg')>=0?'ogg':'webm';
+    const ext=audioExtension(blob.type);
    const form=new FormData();
    form.append('file',new File([blob],'voice-input.'+ext,{type:blob.type||'audio/'+ext}));
    try{
      const response=await fetch('/api/transcribe',{method:'POST',body:form});
      const payload=await response.json().catch(function(){return {};});
      if(!response.ok) throw new Error(payload.error||('Whisper request failed: '+response.status));
-      sendTranscript(payload.transcript,token);
+      sendTranscript(payload.transcript,token,normalizeSttLanguage(payload.language));
    }catch(error){
      if(!active||token!==generation) return;
      const message=errorMessage(error,'Private Whisper is unavailable');
@ -159,6 +196,7 @@
  async function startListening(token){
    if(!active||token!==generation) return;
    stopCapture();
+    clearSttLanguage();
    setState('listening');
    try{
      const capture=await navigator.mediaDevices.getUserMedia({
@ -182,19 +220,26 @@
      audioContext.createMediaStreamSource(stream).connect(highpass);
      highpass.connect(analyser);
      const samples=new Uint8Array(analyser.fftSize);
-      const mimeTypes=['audio/webm;codecs=opus','audio/ogg;codecs=opus','audio/webm'];
+      const mimeTypes=['audio/webm;codecs=opus','audio/ogg;codecs=opus','audio/mp4;codecs=mp4a.40.2','audio/mp4','audio/webm'];
      const mime=mimeTypes.find(function(value){return MediaRecorder.isTypeSupported(value);})||'';
      const chunks=[];
      const preRoll=[];
+      let initialChunk=null;
      let heardSpeech=false;
      let voiceFrames=0;
      let noiseFloor=0.008;
      let lastSpeech=Date.now();
      const started=Date.now();
      recorder=new MediaRecorder(stream,mime?{mimeType:mime}:undefined);
+      let recordedMime=recorder.mimeType||mime||'';
      recorder.ondataavailable=function(event){
        if(!event.data||!event.data.size) return;
+        if(event.data.type) recordedMime=event.data.type;
        if(heardSpeech){chunks.push(event.data);return;}
+        // MediaRecorder's first timeslice owns the container initialization
+        // (EBML/Opus headers for WebM, and equivalent headers for Ogg/MP4).
+        // Keep it separately while bounding the actual audio pre-roll.
+        if(!initialChunk){initialChunk=event.data;return;}
        preRoll.push(event.data);
        while(preRoll.length>3) preRoll.shift();
      };
@ -207,7 +252,7 @@
        recorder=null;
        if(!active||token!==generation) return;
        if(!heardSpeech||!chunks.length){restartSoon(token,300);return;}
-        transcribe(new Blob(chunks,{type:mime||'audio/webm'}),token);
+        transcribe(new Blob(chunks,{type:recordedMime||'audio/webm'}),token);
      };
      recorder.start(250);
      const silenceMs=Math.max(900,parseInt(localStorage.getItem('hermes-voice-silence-ms')||'1600',10)||1600);
@ -229,6 +274,7 @@
        if(!heardSpeech&&voiceFrames>=3){
          heardSpeech=true;
          lastSpeech=now;
+          if(initialChunk){chunks.push(initialChunk);initialChunk=null;}
          while(preRoll.length) chunks.push(preRoll.shift());
        }else if(heardSpeech&&voiceNow){
          lastSpeech=now;
@ -273,11 +319,15 @@
    });
  }

-  async function fetchSpeech(chunk){
+  async function fetchSpeech(chunk, language){
+    // `language` is only ever the private STT result for this turn. When it is
+    // absent the field is omitted entirely and the server picks English.
+    const request={text:chunk,engine:'atlas'};
+    if(language) request.language=language;
    const response=await fetch('/api/tts',{
      method:'POST',
      headers:{'Content-Type':'application/json'},
-      body:JSON.stringify({text:chunk,engine:'atlas'}),
+      body:JSON.stringify(request),
    });
    if(!response.ok){
      const payload=await response.json().catch(function(){return {};});
@ -291,10 +341,12 @@
    const currentSession=(typeof S!=='undefined'&&S.session)?S.session.session_id:null;
    if(thinkingSession&&currentSession&&thinkingSession!==currentSession){
      thinkingSession=null;
+      clearSttLanguage();
      restartSoon(token,250);
      return;
    }
    thinkingSession=null;
+    const language=takeSttLanguage(token);
    const rows=document.querySelectorAll('.msg-row[data-role="assistant"], .assistant-segment[data-raw-text]');
    if(!rows.length){restartSoon(token,250);return;}
    const text=cleanForSpeech(rows[rows.length-1].dataset.rawText||'');
@ -302,11 +354,11 @@
    setState('speaking');
    const chunks=typeof window._splitForTTS==='function'?window._splitForTTS(text,280):[text];
    try{
-      let pending=fetchSpeech(chunks[0]);
+      let pending=fetchSpeech(chunks[0],language);
      for(let index=0;index<chunks.length;index+=1){
        if(!active||token!==generation) return;
        const blob=await pending;
-        if(index+1<chunks.length) pending=fetchSpeech(chunks[index+1]);
+        if(index+1<chunks.length) pending=fetchSpeech(chunks[index+1],language);
        await playBlob(blob,token);
      }
    }catch(error){
@ -324,6 +376,7 @@
    const token=generation;
    active=true;
    clearErrorTimer();
+    clearSttLanguage();
    modeBtn.classList.add('active');
    toast('Hands-free private voice mode on');
    if(typeof window.stopTTS==='function') window.stopTTS();
--- a/dockerfiles/hermes-webui-stt-patch.py
+++ b/dockerfiles/hermes-webui-stt-patch.py
@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+"""Bound local-STT conversion errors in the pinned Hermes Agent source."""
+
+import os
+from pathlib import Path
+
+
+ROOT = Path(os.environ.get("HERMES_AGENT_PATCH_ROOT", "/opt/hermes"))
+
+
+def replace_exact(path: Path, before: str, after: str) -> None:
+    """Replace one exact upstream fragment, failing closed on image drift."""
+    source = path.read_text(encoding="utf-8")
+    if source.count(before) != 1:
+        raise SystemExit(f"Hermes STT patch context changed in {path}: {before[:80]!r}")
+    path.write_text(source.replace(before, after, 1), encoding="utf-8")
+
+
+transcription = ROOT / "tools/transcription_tools.py"
+replace_exact(
+    transcription,
+    """    except subprocess.CalledProcessError as e:
+        details = e.stderr.strip() or e.stdout.strip() or str(e)
+        logger.error("ffmpeg conversion failed for %s: %s", file_path, details)
+        return None, f"Failed to convert audio for local STT: {details}"
+""",
+    """    except subprocess.CalledProcessError as e:
+        details = e.stderr.strip() or e.stdout.strip() or str(e)
+        logger.error(
+            "ffmpeg conversion failed for %s: %s", file_path, details[-2000:]
+        )
+        return None, (
+            "Audio conversion failed: upload is invalid, incomplete, or uses an "
+            "unsupported codec"
+        )
+""",
+)
--- a/infrastructure/core/coredns-custom.yaml
+++ b/infrastructure/core/coredns-custom.yaml
@ -18,6 +18,7 @@ data:
        192.168.22.9 call.live.bstein.dev
        192.168.22.9 cd.bstein.dev
        192.168.22.9 chat.ai.bstein.dev
+        192.168.22.9 chat.bstein.dev
        192.168.22.9 chat.hermes.bstein.dev
        192.168.22.9 ci.bstein.dev
        192.168.22.9 cloud.bstein.dev
@ -45,6 +46,7 @@ data:
        192.168.22.9 stream.bstein.dev
        192.168.22.9 wolf.bstein.dev
        192.168.22.9 tasks.bstein.dev
+        192.168.22.9 triage.bstein.dev
        192.168.22.9 triage.hermes.bstein.dev
        192.168.22.9 vault.bstein.dev
        fallthrough
--- a/knowledge/catalog/atlas.json
+++ b/knowledge/catalog/atlas.json
@ -4404,7 +4404,7 @@
      }
    },
    {
-      "host": "chat.hermes.bstein.dev",
+      "host": "chat.bstein.dev",
      "path": "/",
      "backend": {
        "namespace": "hermes",
@ -5164,7 +5164,7 @@
      }
    },
    {
-      "host": "triage.hermes.bstein.dev",
+      "host": "triage.bstein.dev",
      "path": "/",
      "backend": {
        "namespace": "hermes",
--- a/knowledge/catalog/atlas.yaml
+++ b/knowledge/catalog/atlas.yaml
@ -2888,7 +2888,7 @@ http_endpoints:
    kind: Ingress
    name: bstein-dev-home
    source: bstein-dev-home
- host: chat.hermes.bstein.dev
+- host: chat.bstein.dev
  path: /
  backend:
    namespace: hermes
@ -3361,7 +3361,7 @@ http_endpoints:
    kind: Ingress
    name: planka
    source: planka
- host: triage.hermes.bstein.dev
+- host: triage.bstein.dev
  path: /
  backend:
    namespace: hermes
--- a/knowledge/diagrams/atlas-http.mmd
+++ b/knowledge/diagrams/atlas-http.mmd
@ -51,9 +51,9 @@ flowchart LR
  host_chat_ai_bstein_dev --> svc_bstein_dev_home_chat_ai_gateway
  wl_bstein_dev_home_chat_ai_gateway["bstein-dev-home/chat-ai-gateway (Deployment)"]
  svc_bstein_dev_home_chat_ai_gateway --> wl_bstein_dev_home_chat_ai_gateway
-  host_chat_hermes_bstein_dev["chat.hermes.bstein.dev"]
+  host_chat_bstein_dev["chat.bstein.dev"]
  svc_hermes_oauth2_proxy_hermes_chat["hermes/oauth2-proxy-hermes-chat (Service)"]
-  host_chat_hermes_bstein_dev --> svc_hermes_oauth2_proxy_hermes_chat
+  host_chat_bstein_dev --> svc_hermes_oauth2_proxy_hermes_chat
  wl_hermes_oauth2_proxy_hermes_chat["hermes/oauth2-proxy-hermes-chat (Deployment)"]
  svc_hermes_oauth2_proxy_hermes_chat --> wl_hermes_oauth2_proxy_hermes_chat
  host_ci_bstein_dev["ci.bstein.dev"]
@ -170,9 +170,9 @@ flowchart LR
  host_tasks_bstein_dev --> svc_planka_planka
  wl_planka_planka["planka/planka (Deployment)"]
  svc_planka_planka --> wl_planka_planka
-  host_triage_hermes_bstein_dev["triage.hermes.bstein.dev"]
+  host_triage_bstein_dev["triage.bstein.dev"]
  svc_hermes_oauth2_proxy_hermes_triage["hermes/oauth2-proxy-hermes-triage (Service)"]
-  host_triage_hermes_bstein_dev --> svc_hermes_oauth2_proxy_hermes_triage
+  host_triage_bstein_dev --> svc_hermes_oauth2_proxy_hermes_triage
  wl_hermes_oauth2_proxy_hermes_triage["hermes/oauth2-proxy-hermes-triage (Deployment)"]
  svc_hermes_oauth2_proxy_hermes_triage --> wl_hermes_oauth2_proxy_hermes_triage
  host_vault_bstein_dev["vault.bstein.dev"]
--- a/services/bstein-dev-home/kustomization.yaml
+++ b/services/bstein-dev-home/kustomization.yaml
@ -20,9 +20,9 @@ resources:
  - ingress.yaml
 images:
  - name: registry.bstein.dev/bstein/bstein-dev-home-frontend
-    newTag: 0.1.1-478 # {"$imagepolicy": "bstein-dev-home:bstein-dev-home-frontend:tag"}
+    newTag: 0.1.1-479 # {"$imagepolicy": "bstein-dev-home:bstein-dev-home-frontend:tag"}
  - name: registry.bstein.dev/bstein/bstein-dev-home-backend
-    newTag: 0.1.1-478 # {"$imagepolicy": "bstein-dev-home:bstein-dev-home-backend:tag"}
+    newTag: 0.1.1-479 # {"$imagepolicy": "bstein-dev-home:bstein-dev-home-backend:tag"}
 configMapGenerator:
  - name: chat-ai-gateway
    namespace: bstein-dev-home
--- a/services/comms/knowledge/catalog/atlas.json
+++ b/services/comms/knowledge/catalog/atlas.json
@ -4404,7 +4404,7 @@
      }
    },
    {
-      "host": "chat.hermes.bstein.dev",
+      "host": "chat.bstein.dev",
      "path": "/",
      "backend": {
        "namespace": "hermes",
@ -5164,7 +5164,7 @@
      }
    },
    {
-      "host": "triage.hermes.bstein.dev",
+      "host": "triage.bstein.dev",
      "path": "/",
      "backend": {
        "namespace": "hermes",
--- a/services/comms/knowledge/catalog/atlas.yaml
+++ b/services/comms/knowledge/catalog/atlas.yaml
@ -2888,7 +2888,7 @@ http_endpoints:
    kind: Ingress
    name: bstein-dev-home
    source: bstein-dev-home
- host: chat.hermes.bstein.dev
+- host: chat.bstein.dev
  path: /
  backend:
    namespace: hermes
@ -3361,7 +3361,7 @@ http_endpoints:
    kind: Ingress
    name: planka
    source: planka
- host: triage.hermes.bstein.dev
+- host: triage.bstein.dev
  path: /
  backend:
    namespace: hermes
--- a/services/comms/knowledge/diagrams/atlas-http.mmd
+++ b/services/comms/knowledge/diagrams/atlas-http.mmd
@ -51,9 +51,9 @@ flowchart LR
  host_chat_ai_bstein_dev --> svc_bstein_dev_home_chat_ai_gateway
  wl_bstein_dev_home_chat_ai_gateway["bstein-dev-home/chat-ai-gateway (Deployment)"]
  svc_bstein_dev_home_chat_ai_gateway --> wl_bstein_dev_home_chat_ai_gateway
-  host_chat_hermes_bstein_dev["chat.hermes.bstein.dev"]
+  host_chat_bstein_dev["chat.bstein.dev"]
  svc_hermes_oauth2_proxy_hermes_chat["hermes/oauth2-proxy-hermes-chat (Service)"]
-  host_chat_hermes_bstein_dev --> svc_hermes_oauth2_proxy_hermes_chat
+  host_chat_bstein_dev --> svc_hermes_oauth2_proxy_hermes_chat
  wl_hermes_oauth2_proxy_hermes_chat["hermes/oauth2-proxy-hermes-chat (Deployment)"]
  svc_hermes_oauth2_proxy_hermes_chat --> wl_hermes_oauth2_proxy_hermes_chat
  host_ci_bstein_dev["ci.bstein.dev"]
@ -170,9 +170,9 @@ flowchart LR
  host_tasks_bstein_dev --> svc_planka_planka
  wl_planka_planka["planka/planka (Deployment)"]
  svc_planka_planka --> wl_planka_planka
-  host_triage_hermes_bstein_dev["triage.hermes.bstein.dev"]
+  host_triage_bstein_dev["triage.bstein.dev"]
  svc_hermes_oauth2_proxy_hermes_triage["hermes/oauth2-proxy-hermes-triage (Service)"]
-  host_triage_hermes_bstein_dev --> svc_hermes_oauth2_proxy_hermes_triage
+  host_triage_bstein_dev --> svc_hermes_oauth2_proxy_hermes_triage
  wl_hermes_oauth2_proxy_hermes_triage["hermes/oauth2-proxy-hermes-triage (Deployment)"]
  svc_hermes_oauth2_proxy_hermes_triage --> wl_hermes_oauth2_proxy_hermes_triage
  host_vault_bstein_dev["vault.bstein.dev"]
--- a/services/hermes/NOTES.md
+++ b/services/hermes/NOTES.md
@ -1,8 +1,8 @@
 # Hermes on Atlas: operator guide

 This is the mental model and demonstration script for the operator instance at
-`triage.hermes.bstein.dev`. Read it once, then prove each section in the live UI. The
-consumer instance at `chat.hermes.bstein.dev` is intentionally separate and is not the
+`triage.bstein.dev`. Read it once, then prove each section in the live UI. The
+consumer instance at `chat.bstein.dev` is intentionally separate and is not the
 place to perform infrastructure triage.

 `agent.hermes.bstein.dev` is the owner-only engineering control plane. Its root
@ -14,7 +14,7 @@ its conversation-first layout is a better fit.

 ## Consumer chat and Telegram

-`chat.hermes.bstein.dev` uses the pinned Hermes WebUI rather than the operator
+`chat.bstein.dev` uses the pinned Hermes WebUI rather than the operator
 dashboard. Keycloak still authenticates every browser request, and the tenant
 router permanently assigns each Keycloak subject to one Hermes process and one
 PVC. The four slots are an isolation pool, not a provider round robin: every
@ -40,6 +40,40 @@ or the WebUI. Browser chat remains available when `bot_token` is empty.
 The bot token and relay key must never be added to Git or a Kubernetes Secret.
 The router does not log prompt bodies, raw Telegram IDs, link codes, or tokens.

+## Private Jetson voice: multilingual TTS policy
+
+`hermes-tts` on `titan-21` bakes three checksum-pinned Piper voices and
+selects one per request from a fixed, allow-listed `language` field: `en`/
+`en-US` → `en_US-amy-medium`, `ru`/`ru-RU` → `ru_RU-irina-medium`, `es`/
+`es-MX`/`es-ES` → `es_MX-claude-high` (Piper's `claude` voice is Mexican
+Spanish; there is no Castilian `es_ES-claude`). Matching is case-insensitive
+and accepts both `_` and `-` separators. Any language that is missing,
+unrecognized, or malformed falls back to English amy rather than erroring.
+The mapping is a fixed dict from `language` to one of the three baked model
+names only — a client-supplied `voice` field is never read, so no client
+input can select or construct a model path. All three voices are preloaded
+at process start (see `dockerfiles/hermes-jetson-tts-server.py`).
+
+Hermes Chat deliberately exposes no TTS speaker/model choice. The deterministic
+WebUI image patch removes the pinned upstream voice selector, its label and
+translations, its browser/server preference persistence, and every outbound
+client `voice` field while preserving the TTS engine, speech rate/pitch,
+dictation, hands-free Voice Mode, and the conversation instrument. Legacy
+`hermes-tts-voice` browser state is deleted. Voice choice is therefore policy,
+not a client preference: validated English maps to amy, Russian to irina,
+Spanish to claude, and every unsupported or absent language falls back to amy.
+
+The private WebUI voice bridge (`dockerfiles/hermes-webui-atlas-voice.js`,
+patched into `api/routes.py` by `hermes-webui-atlas-patch.py`) has no signal
+for the language of the assistant reply it is about to speak — it sends only
+`text` and `engine`. Until the WebUI or gateway attaches an explicit
+`language` field to that request, every reply speaks in the safe English
+default regardless of its actual language. Closing that gap needs a language
+signal upstream of the TTS call (e.g. tagging the assistant turn with a
+detected/declared reply language and threading it through
+`hermes-webui-atlas-voice.js` → `api/routes.py` → the `language` field), not
+client- or server-side guessing bolted onto the TTS service itself.
+
 ## The one-sentence explanation

 Hermes is the persistent agent runtime and control surface; Codex or the local
@ -347,6 +381,40 @@ Use this short explanation:
 - `Use $tune-atlas-alerts. Trace one currently firing alert to its generated source and raw PromQL, but do not edit it.`
 - `Use $master-hermes-on-atlas. Assess me on the request path and permission boundary. One question at a time.`

+## Private voice: choosing the Piper voice from the STT-detected language
+
+Hands-free voice mode in `chat.hermes.bstein.dev` selects the private Piper
+voice from the language the private Jetson Whisper service reports for the
+user's own speech. The signal travels one way only, and every hop narrows it:
+
+1. `hermes-stt` returns `{text, model, language}`. `language` is whatever
+   Whisper decoded with, accepted only as a bare ISO-639 token (`en`, `ru`,
+   `es`, `yue`, …); anything else is reported as empty.
+2. `hermes_stt_client.py` writes the usual `<stem>.txt` transcript plus a
+   `<stem>.language` sidecar. The transcript stays the only `.txt` in the
+   output directory, so the stock Hermes local-command contract is unchanged.
+3. The patched local-command STT envelope reads that sidecar and adds
+   `language` to its result; `/api/transcribe` re-validates it and returns it
+   next to `transcript`.
+4. `atlas-voice.js` keeps that value only for the turn it belongs to. It is
+   bound to the voice-mode generation token and the chat session id, consumed
+   exactly once by the reply that turn produced, and cleared on cancellation,
+   restart, session change, an empty transcript, or a transcription error.
+5. `/api/tts` accepts `language` only from the fixed allow-list and otherwise
+   sends English. The Jetson TTS service applies the same allow-list again as
+   the final authority.
+
+**What this does not claim.** The language is the language the *user spoke*,
+not the language of the reply. A model asked a Russian question may answer in
+English and will then be read aloud by the Russian voice, and vice versa; this
+is a deliberate policy choice for hands-free mode, not a detection failure.
+Nothing here detects the language of assistant text.
+
+**Everything else stays English.** Typed messages, the manual read-aloud
+button, and any assistant reply that was not produced by a hands-free spoken
+turn carry no trusted STT signal, so they synthesize with `en_US-amy-medium`.
+A `voice` field from a browser is never honoured at any hop.
+
 ## Honest limits

 - Hermes does not currently apply production or cluster changes autonomously.
--- a/services/hermes/agent-certificate.yaml
+++ b/services/hermes/agent-certificate.yaml
@ -11,5 +11,9 @@ spec:
    name: letsencrypt
  dnsNames:
    - agent.hermes.bstein.dev
+    - chat.bstein.dev
+    - triage.bstein.dev
+    # Legacy hosts stay on the certificate until they are retired on purpose;
+    # the rename in #34 must not break links or sessions already in flight.
    - chat.hermes.bstein.dev
    - triage.hermes.bstein.dev
--- a/services/hermes/agent-configmap.yaml
+++ b/services/hermes/agent-configmap.yaml
@ -84,7 +84,9 @@ data:
      failure_limit: 2
      orchestrator_profile: default
      default_assignee: cli-auto
-      max_in_progress_per_profile: 1
+      # Allow a release review and independent evidence task to run together;
+      # gateway-wide and provider quota/cooldown limits remain in force.
+      max_in_progress_per_profile: 2
      auto_decompose: true
      auto_decompose_per_tick: 2
      # In-pod autonomous supervisor (kanban_supervisor.py). Default false so it
@ -320,7 +322,7 @@ data:
    cannot read Secrets, exec or attach to pods, create service-account tokens,
    mutate workloads or RBAC, or reconcile Flux. Put every durable cluster
    change on a reviewed titan-iac branch. Never expose credentials in chat or
-    logs. Triage belongs at triage.hermes.bstein.dev.
+    logs. Triage belongs at triage.bstein.dev.

    ## Atlas engineering access

--- a/services/hermes/agent-ingress.yaml
+++ b/services/hermes/agent-ingress.yaml
@ -88,10 +88,35 @@ spec:
  tls:
    - hosts:
        - agent.hermes.bstein.dev
+        - chat.bstein.dev
+        - triage.bstein.dev
        - chat.hermes.bstein.dev
        - triage.hermes.bstein.dev
      secretName: hermes-sites-tls
  rules:
+    - host: chat.bstein.dev
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: oauth2-proxy-hermes-chat
+                port:
+                  name: http
+    - host: triage.bstein.dev
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: oauth2-proxy-hermes-triage
+                port:
+                  name: http
+    # Legacy hosts serve the same backends so the rename is additive. They are
+    # kept until an explicit retirement change, not redirected: oauth2-proxy
+    # cookies are host-bound, so a redirect would silently drop the session.
    - host: chat.hermes.bstein.dev
      http:
        paths:
--- a/services/hermes/chat-configmap.yaml
+++ b/services/hermes/chat-configmap.yaml
@ -68,7 +68,7 @@ data:
            atlas/manual/claude/opus: {provider: atlas-switchyard, model: atlas/manual/claude/opus}
            atlas/manual/local/qwen-14b: {provider: atlas-switchyard, model: atlas/manual/local/qwen-14b}
    dashboard:
-      public_url: https://chat.hermes.bstein.dev
+      public_url: https://chat.bstein.dev
    display:
      compact: true
      tool_progress: all
--- a/services/hermes/chat-statefulset.yaml
+++ b/services/hermes/chat-statefulset.yaml
@ -277,7 +277,7 @@ spec:
            - {name: API_SERVER_ENABLED, value: "true"}
            - {name: API_SERVER_HOST, value: 0.0.0.0}
            - {name: API_SERVER_PORT, value: "8642"}
-            - {name: API_SERVER_CORS_ORIGINS, value: https://chat.hermes.bstein.dev}
+            - {name: API_SERVER_CORS_ORIGINS, value: https://chat.bstein.dev}
            - {name: HERMES_IMAGE_BROKER_URL, value: http://hermes-image-broker.hermes.svc.cluster.local:9002}
            - {name: HERMES_IMAGE_BROKER_KEY_FILE, value: /runtime-access/chat-relay-key}
            - {name: HERMES_AUTO_ROUTER_PROFILE, value: chat}
@ -345,7 +345,7 @@ spec:
            # NetworkPolicy admits this port only from hermes-chat-router; the
            # CIDR lets the WebUI validate that router's changing pod address.
            - {name: HERMES_WEBUI_TRUSTED_PROXY_CIDRS, value: 10.42.0.0/16}
-            - {name: HERMES_WEBUI_ALLOWED_ORIGINS, value: https://chat.hermes.bstein.dev}
+            - {name: HERMES_WEBUI_ALLOWED_ORIGINS, value: https://chat.bstein.dev}
            - {name: HERMES_WEBUI_TRUST_FORWARDED_HOST, value: "1"}
            - {name: HERMES_WEBUI_TRUST_FORWARDED_PROTO, value: "1"}
            - {name: HERMES_ROUTER_PROFILE, value: chat}
--- a/services/hermes/configmap.yaml
+++ b/services/hermes/configmap.yaml
@ -83,7 +83,7 @@ data:
        - "*kubectl describe secret*"

    dashboard:
-      public_url: https://triage.hermes.bstein.dev
+      public_url: https://triage.bstein.dev

    display:
      compact: true
@ -111,10 +111,10 @@ data:
    You are Hermes running inside the Titan Kubernetes cluster as a supervised
    testing and operations triage assistant.

-    This is the dedicated triage appliance at triage.hermes.bstein.dev. Keep
+    This is the dedicated triage appliance at triage.bstein.dev. Keep
    automated Ariadne intake and testing conversations here. Project delivery
    and coding orchestration belong to agent.hermes.bstein.dev; general user
-    chat belongs to chat.hermes.bstein.dev.
+    chat belongs to chat.bstein.dev.

    Start in AUTO routing with a careful, intelligence-biased posture. Every
    new request is classified locally before a hosted model is selected. The
--- a/services/hermes/deployment.yaml
+++ b/services/hermes/deployment.yaml
@ -284,7 +284,7 @@ spec:
            - name: HERMES_DASHBOARD
              value: "0"
            - name: HERMES_DASHBOARD_PUBLIC_URL
-              value: https://triage.hermes.bstein.dev
+              value: https://triage.bstein.dev
            - name: API_SERVER_ENABLED
              value: "true"
            - name: API_SERVER_HOST
@ -292,7 +292,7 @@ spec:
            - name: API_SERVER_PORT
              value: "8642"
            - name: API_SERVER_CORS_ORIGINS
-              value: https://triage.hermes.bstein.dev
+              value: https://triage.bstein.dev
            - name: VICTORIA_METRICS_URL
              value: http://victoria-metrics-single-server.monitoring.svc.cluster.local:8428
            - name: ARIADNE_BASE_URL
@ -405,7 +405,7 @@ spec:
            - {name: HERMES_WEBUI_GATEWAY_USE_RUNS_API, value: "true"}
            - {name: HERMES_WEBUI_SKIP_ONBOARDING, value: "1"}
            - {name: HERMES_WEBUI_SECURE, value: "1"}
-            - {name: HERMES_WEBUI_ALLOWED_ORIGINS, value: https://triage.hermes.bstein.dev}
+            - {name: HERMES_WEBUI_ALLOWED_ORIGINS, value: https://triage.bstein.dev}
            - {name: HERMES_WEBUI_TRUST_FORWARDED_HOST, value: "1"}
            - {name: HERMES_WEBUI_TRUST_FORWARDED_PROTO, value: "1"}
            - {name: HERMES_ROUTER_PROFILE, value: triage}
--- a/services/hermes/execution-coordinator-patch.yaml
+++ b/services/hermes/execution-coordinator-patch.yaml
@ -18,7 +18,9 @@ spec:
        - name: cli-lane-runner
          env:
            - {name: HERMES_CLI_LANE_OWNED_WORKSPACES_ONLY, value: "true"}
-            - {name: HERMES_CLI_LANE_CONCURRENCY, value: "1"}
+            # Cap simultaneous direct cli-* Codex/Claude runner slots separately
+            # from the normal Hermes profile cap in agent-configmap.yaml.
+            - {name: HERMES_CLI_LANE_CONCURRENCY, value: "2"}
        - name: execution-pool-coordinator
          image: registry.bstein.dev/bstein/hermes-agent@sha256:81970563e542f0720773e72297810b3a844b83e381e278f25c0916c78d930107
          imagePullPolicy: IfNotPresent
--- a/services/hermes/oauth2-proxy.yaml
+++ b/services/hermes/oauth2-proxy.yaml
@ -82,7 +82,7 @@ spec:
          args:
            - --provider=oidc
            - --config=/vault/secrets/oidc-config
-            - --redirect-url=https://triage.hermes.bstein.dev/oauth2/callback
+            - --redirect-url=https://triage.bstein.dev/oauth2/callback
            - --oidc-issuer-url=https://sso.bstein.dev/realms/atlas
            - --user-id-claim=sub
            - --code-challenge-method=S256
@ -181,7 +181,7 @@ spec:
          args:
            - --provider=oidc
            - --config=/vault/secrets/oidc-config
-            - --redirect-url=https://chat.hermes.bstein.dev/oauth2/callback
+            - --redirect-url=https://chat.bstein.dev/oauth2/callback
            - --oidc-issuer-url=https://sso.bstein.dev/realms/atlas
            - --user-id-claim=sub
            - --code-challenge-method=S256
--- a/services/hermes/router/telegram.go
+++ b/services/hermes/router/telegram.go
@ -249,7 +249,7 @@ func (bot *telegramBot) handleUpdate(update telegramUpdate) {
 	command, args := commandParts(message.Text)
 	if command == "start" || command == "link" {
 		if len(args) == 0 {
-			_ = bot.sendText(message.Chat.ID, "Sign in to chat.hermes.bstein.dev, open Telegram, and create a one-time link code.")
+			_ = bot.sendText(message.Chat.ID, "Sign in to chat.bstein.dev, open Telegram, and create a one-time link code.")
 			return
 		}
 		if _, err := bot.router.consumeLink(userID, args[0]); err != nil {
@ -273,7 +273,7 @@ func (bot *telegramBot) handleUpdate(update telegramUpdate) {
 	}
 	slot, linked := bot.router.telegramSlot(userID)
 	if !linked {
-		_ = bot.sendText(message.Chat.ID, "This Telegram account is not linked. Sign in to chat.hermes.bstein.dev and open Telegram to connect it.")
+		_ = bot.sendText(message.Chat.ID, "This Telegram account is not linked. Sign in to chat.bstein.dev and open Telegram to connect it.")
 		return
 	}
 	if command == "topic" {
--- a/services/hermes/scripts/hermes_stt_client.py
+++ b/services/hermes/scripts/hermes_stt_client.py
@ -12,6 +12,34 @@ from pathlib import Path
 from urllib.request import Request, urlopen


+LANGUAGE_SUFFIX = ".language"
+
+
+def _normalize_language(value: object) -> str:
+    """Accept only a bare ISO-639 code from the private Whisper response."""
+    if not isinstance(value, str):
+        return ""
+    code = value.strip().lower()
+    if not 2 <= len(code) <= 3 or not code.isascii() or not code.isalpha():
+        return ""
+    return code
+
+
+def _write_result(output_dir: Path, stem: str, transcript: str, language: str) -> Path:
+    """Write the .txt Hermes reads, plus the language sidecar when we have one.
+
+    Hermes' local-command contract is "leave a .txt in --output-dir"; it globs
+    ``*.txt`` and reads the first match. The sidecar deliberately uses another
+    suffix so the transcript stays the only ``.txt`` in the directory.
+    """
+    output_dir.mkdir(parents=True, exist_ok=True)
+    transcript_path = output_dir / f"{stem}.txt"
+    transcript_path.write_text(transcript, encoding="utf-8")
+    if language:
+        (output_dir / f"{stem}{LANGUAGE_SUFFIX}").write_text(language, encoding="utf-8")
+    return transcript_path
+
+
 def _multipart(audio: Path, language: str, model: str) -> tuple[bytes, str]:
    boundary = f"atlas-hermes-{secrets.token_hex(12)}"
    mime = mimetypes.guess_type(audio.name)[0] or "application/octet-stream"
@ -67,9 +95,12 @@ def main() -> None:
    with urlopen(request, timeout=120) as response:
        result = json.loads(response.read().decode("utf-8"))
    transcript = str(result.get("text") or "").strip()
-    args.output_dir.mkdir(parents=True, exist_ok=True)
-    output = args.output_dir / f"{args.input_path.stem}.txt"
-    output.write_text(transcript, encoding="utf-8")
+    _write_result(
+        args.output_dir,
+        args.input_path.stem,
+        transcript,
+        _normalize_language(result.get("language")),
+    )


 if __name__ == "__main__":
--- a/services/hermes/skills/master-hermes-on-atlas/references/architecture.md
+++ b/services/hermes/skills/master-hermes-on-atlas/references/architecture.md
@ -7,9 +7,9 @@ asserting health, placement, ownership, or current model availability.

 | Surface | Purpose | Identity boundary | State and permissions |
 | --- | --- | --- | --- |
-| `triage.hermes.bstein.dev` | Brad's automated testing triage | Keycloak plus an outer oauth2-proxy exact-email allow-list for `brad@bstein.dev` | `hermes` namespace, its own PVC and service account; read-only cluster triage plus approved internal evidence endpoints |
+| `triage.bstein.dev` | Brad's automated testing triage | Keycloak plus an outer oauth2-proxy exact-email allow-list for `brad@bstein.dev` | `hermes` namespace, its own PVC and service account; read-only cluster triage plus approved internal evidence endpoints |
 | `agent.hermes.bstein.dev` | Brad's project coordinator | Keycloak plus an outer oauth2-proxy exact-email allow-list for `brad@bstein.dev` | `hermes` namespace and separate PVC; native Hermes delegates bounded work while Herdr preserves real Codex and Claude Code CLI sessions when needed |
-| `chat.hermes.bstein.dev` | Private consumer chat and research through Hermes WebUI or a linked Telegram DM | Keycloak login plus one-time Telegram account link | One Hermes process and PVC per assigned Keycloak subject; no Kubernetes RBAC, terminal, or private-service access |
+| `chat.bstein.dev` | Private consumer chat and research through Hermes WebUI or a linked Telegram DM | Keycloak login plus one-time Telegram account link | One Hermes process and PVC per assigned Keycloak subject; no Kubernetes RBAC, terminal, or private-service access |

 The instances do not share conversation state, credentials, profiles, skills
 created on their PVCs, or Kubernetes identities. They share only the inference
--- a/services/keycloak/bootstrap-jobs/hermes-access-oidc-client-job.yaml
+++ b/services/keycloak/bootstrap-jobs/hermes-access-oidc-client-job.yaml
@ -3,7 +3,7 @@
 apiVersion: batch/v1
 kind: Job
 metadata:
-  name: hermes-access-oidc-client-ensure-10
+  name: hermes-access-oidc-client-ensure-11
  namespace: sso
 spec:
  backoffLimit: 3
--- a/services/keycloak/scripts/hermes_access_oidc_ensure.sh
+++ b/services/keycloak/scripts/hermes_access_oidc_ensure.sh
@ -84,10 +84,24 @@ ensure_proxy_client() {
  client_id="$1"
  public_url="$2"
  vault_path="$3"
+  # Optional legacy host kept registered alongside the canonical one during a
+  # hostname rename. Keycloak matches redirect_uri exactly, so dropping the old
+  # entry turns every in-flight login into "Invalid parameter: redirect_uri".
+  legacy_url="${4:-}"
+  if [ -n "${legacy_url}" ]; then
+    origins="$(jq -nc --arg a "${public_url}" --arg b "${legacy_url}" '[$a,$b]')"
+  else
+    origins="$(jq -nc --arg a "${public_url}" '[$a]')"
+  fi
+  redirect_uris="$(printf '%s' "${origins}" | jq -c 'map(. + "/oauth2/callback")')"
+  # Keycloak takes post-logout origins as one "##"-delimited string.
+  post_logout="$(printf '%s' "${origins}" | jq -r 'join("##")')"
  payload="$(jq -nc \
    --arg client_id "${client_id}" \
-    --arg redirect_uri "${public_url}/oauth2/callback" \
+    --argjson redirect_uris "${redirect_uris}" \
+    --argjson web_origins "${origins}" \
    --arg web_origin "${public_url}" \
+    --arg post_logout "${post_logout}" \
    '{
      clientId:$client_id,
      name:$client_id,
@ -98,13 +112,13 @@ ensure_proxy_client() {
      implicitFlowEnabled:false,
      directAccessGrantsEnabled:false,
      serviceAccountsEnabled:false,
-      redirectUris:[$redirect_uri],
-      webOrigins:[$web_origin],
+      redirectUris:$redirect_uris,
+      webOrigins:$web_origins,
      rootUrl:$web_origin,
      baseUrl:"/",
      attributes:{
        "pkce.code.challenge.method":"S256",
-        "post.logout.redirect.uris":$web_origin,
+        "post.logout.redirect.uris":$post_logout,
        "access.token.lifespan":"1200"
      }
    }')"
@ -327,8 +341,10 @@ ensure_telegram_config() {
 }

 ensure_hermes_owner
-ensure_proxy_client "hermes-chat-proxy" "https://chat.hermes.bstein.dev" "hermes/chat-oidc"
+ensure_proxy_client "hermes-chat-proxy" "https://chat.bstein.dev" "hermes/chat-oidc" \
+  "https://chat.hermes.bstein.dev"
 ensure_proxy_client "hermes-agent-proxy" "https://agent.hermes.bstein.dev" "hermes/agent-oidc"
-ensure_proxy_client "hermes-triage-proxy" "https://triage.hermes.bstein.dev" "hermes/triage-oidc"
+ensure_proxy_client "hermes-triage-proxy" "https://triage.bstein.dev" "hermes/triage-oidc" \
+  "https://triage.hermes.bstein.dev"
 ensure_service_account_client "hermes-automation" "hermes/developer-keycloak"
 ensure_telegram_config
--- a/services/maintenance/apps/ariadne-deployment.yaml
+++ b/services/maintenance/apps/ariadne-deployment.yaml
@ -555,7 +555,7 @@ spec:
            # open the run that wrote it rather than taking "Proposed by
            # Hermes" on trust.
            - name: ARIADNE_HERMES_UI_URL
-              value: https://triage.hermes.bstein.dev
+              value: https://triage.bstein.dev
            - name: ARIADNE_HERMES_SONAR_ENABLED
              value: "true"
            - name: ARIADNE_HERMES_SONAR_URL
--- a/services/quality/zap-baseline-configmap.yaml
+++ b/services/quality/zap-baseline-configmap.yaml
@ -27,8 +27,8 @@ data:
    https://money.bstein.dev
    https://health.bstein.dev
    https://agent.hermes.bstein.dev
-    https://chat.hermes.bstein.dev
-    https://triage.hermes.bstein.dev
+    https://chat.bstein.dev
+    https://triage.bstein.dev
    https://cassandra.bstein.dev
    https://veles.bstein.dev
    https://matrix.live.bstein.dev
--- a/testing/fixtures/hermes-agent-9de9c25f/SOURCE.md
+++ b/testing/fixtures/hermes-agent-9de9c25f/SOURCE.md
@ -0,0 +1,12 @@
+# Hermes Agent STT fixture provenance
+
+This minimal module contains the exact `_prepare_local_audio` patch context
+extracted from the agent image inherited by `Dockerfile.hermes-webui`:
+
+- Image: `registry.bstein.dev/bstein/hermes-agent@sha256:81970563e542f0720773e72297810b3a844b83e381e278f25c0916c78d930107`
+- OCI platform manifest: `sha256:9b4c00a25fd08f0df3bcb800d755bd48576fb65af5ab0df40058fbb78a147e43`
+- Upstream Hermes revision: `9de9c25f620ff7f1ce0fd5457d596052d5159596`
+- Full upstream `tools/transcription_tools.py` SHA-256: `d7d7df56b98dfadc0a7c08d5addd02db4e3106e6fd3b753e9241c23145eb2951`
+
+Tests execute the production patcher against this source fragment and then run
+its real ffmpeg conversion boundary with browser-produced bytes.
--- a/testing/fixtures/hermes-agent-9de9c25f/tools/transcription_tools.py
+++ b/testing/fixtures/hermes-agent-9de9c25f/tools/transcription_tools.py
@ -0,0 +1,44 @@
+"""Exact pinned local-audio preparation fragment with its direct dependencies."""
+
+import os
+from pathlib import Path
+import shutil
+import subprocess
+from typing import Optional
+
+
+LOCAL_NATIVE_AUDIO_FORMATS = {".wav", ".aiff", ".aif"}
+logger = __import__("logging").getLogger(__name__)
+
+
+def _find_ffmpeg_binary() -> Optional[str]:
+    return shutil.which("ffmpeg")
+
+
+def windows_hide_flags() -> int:
+    return 0
+
+
+def _prepare_local_audio(file_path: str, work_dir: str) -> tuple[Optional[str], Optional[str]]:
+    """Normalize audio for local CLI STT when needed."""
+    audio_path = Path(file_path)
+    if audio_path.suffix.lower() in LOCAL_NATIVE_AUDIO_FORMATS:
+        return file_path, None
+
+    ffmpeg = _find_ffmpeg_binary()
+    if not ffmpeg:
+        return None, "Local STT fallback requires ffmpeg for non-WAV inputs, but ffmpeg was not found"
+
+    converted_path = os.path.join(work_dir, f"{audio_path.stem}.wav")
+    command = [ffmpeg, "-y", "-i", file_path, converted_path]
+
+    try:
+        subprocess.run(command, check=True, capture_output=True, text=True, timeout=300, stdin=subprocess.DEVNULL, creationflags=windows_hide_flags())
+        return converted_path, None
+    except subprocess.TimeoutExpired:
+        logger.error("ffmpeg conversion timed out for %s", file_path)
+        return None, "Audio conversion for local STT timed out"
+    except subprocess.CalledProcessError as e:
+        details = e.stderr.strip() or e.stdout.strip() or str(e)
+        logger.error("ffmpeg conversion failed for %s: %s", file_path, details)
+        return None, f"Failed to convert audio for local STT: {details}"
--- a/testing/fixtures/hermes-agent/tools/transcription_tools.py
+++ b/testing/fixtures/hermes-agent/tools/transcription_tools.py
@ -0,0 +1,28 @@
+"""Pinned local-command STT envelope anchor used by image-patch tests."""
+
+import contextlib
+from pathlib import Path
+
+
+class _Logger:
+    def info(self, *args):
+        return None
+
+
+logger = _Logger()
+
+
+def _transcribe_local_command(file_path, normalized_model, output_dir):
+    try:
+        with contextlib.nullcontext(output_dir):
+            txt_files = sorted(Path(output_dir).glob("*.txt"))
+            transcript_text = txt_files[0].read_text(encoding="utf-8").strip()
+            logger.info(
+                "Transcribed %s via local STT command (%s, %d chars)",
+                Path(file_path).name,
+                normalized_model,
+                len(transcript_text),
+            )
+            return {"success": True, "transcript": transcript_text, "provider": "local_command"}
+    except OSError as error:
+        return {"success": False, "transcript": "", "error": str(error)}
--- a/testing/fixtures/hermes-webui-0.52.181/api/config.py
+++ b/testing/fixtures/hermes-webui-0.52.181/api/config.py
@ -0,0 +1,10 @@
+_SETTINGS_DEFAULTS = {
+    "tts_voice": "",
+}
+_SETTINGS_SPEECH_KEYS = {
+    "tts_voice",
+}
+UPSTREAM_VALIDATION_FRAGMENT = '''            if k == "tts_voice":
+                if not isinstance(v, str) or len(v) > 200 or "\x00" in v:
+                    continue
+'''
--- a/testing/fixtures/hermes-webui-0.52.181/api/routes.py
+++ b/testing/fixtures/hermes-webui-0.52.181/api/routes.py
@ -1,3 +1,41 @@
-def tts(handler, engine):
+"""Pinned Atlas TTS route anchors used by image-patch tests."""
+
+import json
+import os
+from urllib.request import ProxyHandler, Request, build_opener
+
+
+class _NoRedirectTtsHandler:
+    """Placeholder for the upstream no-redirect opener handler."""
+
+
+class _Logger:
+    def exception(self, message):
+        return None
+
+
+logger = _Logger()
+
+
+class _Upstream:
+    def read(self):
+        return b"RIFFsynthetic"
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *exc_info):
+        return False
+
+
+def _buffer_tts_audio_response(response):
+    return response.read()
+
+
+def _tts_open(req, *, timeout=30, opener_factory=None):
+    return _Upstream()
+
+
+def _handle_tts(handler, data, text, rate_str, engine):
    # ── ElevenLabs TTS ──────────────────────────────────────────────────
-    return False
+    return None
--- a/testing/fixtures/hermes-webui-0.52.181/api/upload.py
+++ b/testing/fixtures/hermes-webui-0.52.181/api/upload.py
@ -0,0 +1,13 @@
+"""Pinned upstream /api/transcribe response anchor used by image-patch tests."""
+
+
+def j(handler, payload, status=200):
+    return {"status": status, "payload": payload}
+
+
+def handle_transcribe(handler, result):
+    try:
+        transcript = str(result.get('transcript') or '').strip()
+        return j(handler, {'ok': True, 'transcript': transcript})
+    except ValueError as error:
+        return j(handler, {'error': str(error)}, status=400)
--- a/testing/fixtures/hermes-webui-0.52.181/static/boot.js
+++ b/testing/fixtures/hermes-webui-0.52.181/static/boot.js
@ -0,0 +1,34 @@
+function speakWithRegisteredEngine(){
+      const _opts={
+        voice: localStorage.getItem("hermes-tts-voice")||'',
+        rate: parseFloat(localStorage.getItem("hermes-tts-rate")),
+      };
+      return _opts;
+}
+function speakWithEdge(clean){
+      const voice=localStorage.getItem("hermes-tts-voice")||"zh-CN-XiaoxiaoNeural";
+      const rate='';
+      const pitch='';
+      return fetch('/api/tts', {
+        body: JSON.stringify({text: clean, voice, rate, pitch})
+      });
+}
+function speakWithBrowser(clean){
+    const utter=new SpeechSynthesisUtterance(clean);
+    const savedVoice=localStorage.getItem('hermes-tts-voice');
+    const voices=speechSynthesis.getVoices();
+    if(savedVoice&&voices.length){
+      const match=voices.find(v=>v.name===savedVoice);
+      if(match) utter.voice=match;
+    }
+    return utter;
+}
+function _mirrorSpeechSettingsFromServer(s){
+  const defaults={
+    tts_voice:'',
+  };
+  [
+    ['tts_voice','hermes-tts-voice'],
+  ].forEach(([settingKey,storageKey])=>localStorage.setItem(storageKey,s[settingKey]));
+  return defaults;
+}
--- a/testing/fixtures/hermes-webui-0.52.181/static/i18n.js
+++ b/testing/fixtures/hermes-webui-0.52.181/static/i18n.js
@ -0,0 +1,4 @@
+const EN = {
+    settings_label_tts_voice: 'Voice',
+    settings_desc_tts_voice: "Preferred voice. Populated from your browser's available voices.",
+};
--- a/testing/fixtures/hermes-webui-0.52.181/static/index.html
+++ b/testing/fixtures/hermes-webui-0.52.181/static/index.html
@ -5,6 +5,12 @@
 </head>
 <body>
 <select id="settingsTtsEngine"><option value="browser">Browser speech synthesis</option><option value="edge">Edge TTS (server)</option></select>
+<div class="settings-field"><label for="settingsTtsVoice" data-i18n="settings_label_tts_voice">Voice</label>
+              <select id="settingsTtsVoice" style="width:100%;padding:8px;background:var(--code-bg);color:var(--text);border:1px solid var(--border2);border-radius:6px">
+                <option value="">Default system voice</option>
+              </select>
+              <div style="font-size:11px;color:var(--muted);margin-top:4px" data-i18n="settings_desc_tts_voice">Preferred voice. Populated from your browser's available voices.</div>
+            </div>
      <div class="composer-box" id="composerBox">
        <div class="voice-mode-bar" id="voiceModeBar" style="display:none">
          <span class="voice-mode-indicator" id="voiceModeIndicator"></span>
--- a/testing/fixtures/hermes-webui-0.52.181/static/panels.js
+++ b/testing/fixtures/hermes-webui-0.52.181/static/panels.js
@ -0,0 +1,44 @@
+const _SETTINGS_SPEECH_STORAGE_KEYS={
+  tts_engine:'hermes-tts-engine',
+  tts_voice:'hermes-tts-voice',
+  tts_rate:'hermes-tts-rate',
+};
+let _settingsSpeechChangedKeys=new Set();
+
+function _speechPreferencesPayloadFromUi(){
+  const payload={};
+  const ttsVoiceSel=$('settingsTtsVoice');
+  if(ttsVoiceSel) _setOwnedSpeechPayload(payload,'tts_voice',ttsVoiceSel.value||'');
+  return payload;
+}
+
+function loadSettingsPanel(){
+  const ttsEngineSel=$('settingsTtsEngine');
+  if(ttsEngineSel){
+    ttsEngineSel.onchange=function(){
+        localStorage.setItem('hermes-tts-engine',this.value);
+        window._populateTtsVoices();
+        _schedulePreferencesAutosave();
+    };
+  }
+    // Populate voice selector based on engine
+    const ttsVoiceSel=$('settingsTtsVoice');
+    window._populateTtsVoices=function(){
+      if(!ttsVoiceSel) return;
+      const engine=localStorage.getItem('hermes-tts-engine')||'browser';
+      const current=String(_speechSetting('tts_voice','hermes-tts-voice','')||'');
+      _syncSpeechPreferenceCache('tts_voice',current);
+      if(engine==='edge'){
+        const edgeVoices=[
+          {value:'en-US-AriaNeural',label:'Aria (English, Female)'},
+        ];
+        ttsVoiceSel.innerHTML='<option value="">Default (Xiaoxiao)</option>';
+        edgeVoices.forEach(v=>ttsVoiceSel.appendChild(v));
+      }
+    };
+    if(ttsVoiceSel&&'speechSynthesis' in window){
+      window._populateTtsVoices();
+      ttsVoiceSel.onchange=function(){_markSpeechPreferenceChanged('tts_voice');localStorage.setItem('hermes-tts-voice',this.value);_schedulePreferencesAutosave();};
+    }
+    // TTS rate/pitch sliders
+}
--- a/testing/fixtures/hermes-webui-0.52.181/static/ui.js
+++ b/testing/fixtures/hermes-webui-0.52.181/static/ui.js
@ -1,4 +1,15 @@
+function _buildBrowserUtterance(text, btn){
+  const utter=new SpeechSynthesisUtterance(text);
+  const savedVoice=localStorage.getItem('hermes-tts-voice');
+  const voices=speechSynthesis.getVoices();
+  if(savedVoice&&voices.length){
+    const match=voices.find(v=>v.name===savedVoice);
+    if(match) utter.voice=match;
+  }
+  return utter;
+}
 function _playEdgeTtsChunked(text, btn){
+    const voice=localStorage.getItem('hermes-tts-voice')||'zh-CN-XiaoxiaoNeural';
  return fetch('/api/tts',{body:JSON.stringify({text:chunk, voice:voice, rate:rate, pitch:pitch})});
 }
 function speakSelected(clean, btn, engine){
@ -11,3 +22,14 @@ function speakAutomatically(clean, engine){
    _playEdgeTtsChunked(clean, null);
  }
 }
+function registeredTts(engine, clean){
+  const _opts={
+      voice: localStorage.getItem('hermes-tts-voice')||'',
+      rate: parseFloat(localStorage.getItem('hermes-tts-rate')),
+  };
+  const autoOpts={
+      voice: localStorage.getItem('hermes-tts-voice')||'',
+      pitch: parseFloat(localStorage.getItem('hermes-tts-pitch')),
+  };
+  return [engine, clean, _opts, autoOpts];
+}
--- a/testing/fixtures/mediarecorder/SOURCE.md
+++ b/testing/fixtures/mediarecorder/SOURCE.md
@ -0,0 +1,18 @@
+# Chromium MediaRecorder fixture provenance
+
+`chromium-webm-opus.webm` is the concatenation of ten successive 250 ms-ish
+data blobs emitted by a real Chromium `MediaRecorder` for
+`audio/webm;codecs=opus`; `chromium-webm-opus.json` records their exact byte
+lengths so tests can replay each browser event. The recording has leading
+silence followed by a 440 Hz signal, mirroring speech that begins after the
+hands-free VAD pre-roll is full.
+
+- Browser: Chromium 140.0.7339.16 (Playwright build v1187, arm64)
+- Generator: `testing/probes/generate_mediarecorder_fixture.js`
+- Timeslice request: 250 ms
+- Complete concatenated payload: WebM/Opus, accepted by ffmpeg 7.1.5
+- Complete payload SHA-256: `5585014ecad185511a727ccf47aa8b1ac70ea6f3efd7778309742bf88e6faf51`
+- First five chunks are treated as pre-speech by the test model; the production
+  pre-roll retains only the most recent three.
+
+The fixture is generated data, not recorded speech.
--- a/testing/fixtures/mediarecorder/chromium-webm-opus.json
+++ b/testing/fixtures/mediarecorder/chromium-webm-opus.json
@ -0,0 +1,20 @@
+{
+  "mime_type": "audio/webm;codecs=opus",
+  "timeslice_ms": 250,
+  "pre_speech_chunk_count": 5,
+  "chunk_sizes": [
+    204,
+    70,
+    70,
+    70,
+    70,
+    3864,
+    5796,
+    4830,
+    4830,
+    1945
+  ],
+  "payload_file": "chromium-webm-opus.webm",
+  "browser": "140.0.7339.16",
+  "generator": "testing/probes/generate_mediarecorder_fixture.js"
+}
--- a/testing/fixtures/mediarecorder/chromium-webm-opus.webm
+++ b/testing/fixtures/mediarecorder/chromium-webm-opus.webm
--- a/testing/probes/generate_mediarecorder_fixture.js
+++ b/testing/probes/generate_mediarecorder_fixture.js
@ -0,0 +1,84 @@
+'use strict';
+
+const fs = require('node:fs');
+const path = require('node:path');
+const { chromium } = require('playwright');
+
+async function main() {
+  const outputPath = process.argv[2];
+  if (!outputPath) throw new Error('usage: node generate_mediarecorder_fixture.js OUTPUT.json');
+
+  const browser = await chromium.launch({
+    headless: true,
+    args: ['--autoplay-policy=no-user-gesture-required'],
+  });
+  try {
+    const page = await browser.newPage();
+    const fixture = await page.evaluate(async () => {
+      const mimeType = 'audio/webm;codecs=opus';
+      if (!MediaRecorder.isTypeSupported(mimeType)) {
+        throw new Error(`${mimeType} is not supported by this Chromium build`);
+      }
+
+      const context = new AudioContext({sampleRate: 48000});
+      const destination = context.createMediaStreamDestination();
+      const oscillator = context.createOscillator();
+      const gain = context.createGain();
+      oscillator.frequency.value = 440;
+      gain.gain.value = 0;
+      oscillator.connect(gain).connect(destination);
+      oscillator.start();
+
+      const chunks = [];
+      const recorder = new MediaRecorder(destination.stream, {mimeType});
+      recorder.ondataavailable = event => {
+        if (event.data && event.data.size) chunks.push(event.data);
+      };
+      const stopped = new Promise(resolve => { recorder.onstop = resolve; });
+      const delay = milliseconds => new Promise(resolve => setTimeout(resolve, milliseconds));
+
+      recorder.start(250);
+      await delay(1400);
+      gain.gain.setValueAtTime(0.35, context.currentTime);
+      await delay(900);
+      gain.gain.setValueAtTime(0, context.currentTime);
+      await delay(500);
+      recorder.stop();
+      await stopped;
+
+      oscillator.stop();
+      await context.close();
+      const encoded = [];
+      for (const chunk of chunks) {
+        const bytes = new Uint8Array(await chunk.arrayBuffer());
+        let binary = '';
+        for (let index = 0; index < bytes.length; index += 0x8000) {
+          binary += String.fromCharCode(...bytes.subarray(index, index + 0x8000));
+        }
+        encoded.push(btoa(binary));
+      }
+      return {
+        mime_type: recorder.mimeType,
+        timeslice_ms: 250,
+        pre_speech_chunk_count: 5,
+        chunks_base64: encoded,
+      };
+    });
+    const chunks = fixture.chunks_base64.map(value => Buffer.from(value, 'base64'));
+    const payloadPath = outputPath.replace(/\.json$/i, '.webm');
+    fixture.chunk_sizes = chunks.map(chunk => chunk.length);
+    fixture.payload_file = path.basename(payloadPath);
+    delete fixture.chunks_base64;
+    fixture.browser = await browser.version();
+    fixture.generator = 'testing/probes/generate_mediarecorder_fixture.js';
+    fs.writeFileSync(payloadPath, Buffer.concat(chunks));
+    fs.writeFileSync(outputPath, `${JSON.stringify(fixture, null, 2)}\n`);
+  } finally {
+    await browser.close();
+  }
+}
+
+main().catch(error => {
+  console.error(error.stack || error);
+  process.exitCode = 1;
+});
--- a/testing/probes/hermes_voice_instrument_probe.js
+++ b/testing/probes/hermes_voice_instrument_probe.js
@ -2,6 +2,7 @@

 const assert = require('node:assert/strict');
 const fs = require('node:fs');
+const path = require('node:path');
 const vm = require('node:vm');

 class StyleDeclaration {
@ -92,6 +93,7 @@ async function boot(scriptPath, reduced) {
  const reducedMotion = {matches: reduced, addEventListener() {}, removeEventListener() {}};
  let rejectNextCapture = false;
  let transcriptResolve;
+  let uploadedFile = null;
  let sent = 0;
  let lastAudio = null;

@ -117,9 +119,10 @@ async function boot(scriptPath, reduced) {
  }
  class FakeMediaRecorder {
    static isTypeSupported() { return true; }
-    constructor(stream) {
+    constructor(stream, options) {
      this.stream = stream;
      this.state = 'inactive';
+      this.mimeType = options?.mimeType || 'audio/webm;codecs=opus';
      this.ondataavailable = null;
      this.onstop = null;
      recorders.push(this);
@ -171,11 +174,18 @@ async function boot(scriptPath, reduced) {
      },
    },
  };
-  async function fetch(url) {
+  async function fetch(url, options) {
    if (url === '/api/transcribe/capability') {
      return {ok: true, json: async () => ({available: true, provider: 'local_command'})};
    }
    if (url === '/api/transcribe') {
+      const file = options?.body?.get('file');
+      assert.ok(file, 'transcription request did not carry a file');
+      uploadedFile = {
+        bytes: new Uint8Array(await file.arrayBuffer()),
+        name: file.name,
+        type: file.type,
+      };
      return new Promise(resolve => { transcriptResolve = resolve; });
    }
    if (url === '/api/tts') {
@ -245,6 +255,7 @@ async function boot(scriptPath, reduced) {
    captures, recorders, analysers, assistantRows, toasts, reducedMotion,
    get sent() { return sent; },
    get lastAudio() { return lastAudio; },
+    get uploadedFile() { return uploadedFile; },
    set now(value) { now = value; },
    rejectCapture() { rejectNextCapture = true; },
    resolveTranscript(payload) {
@ -261,7 +272,7 @@ async function boot(scriptPath, reduced) {
  };
 }

-async function normalMotionContract(scriptPath) {
+async function normalMotionContract(scriptPath, mediaFixture) {
  const probe = await boot(scriptPath, false);
  const originalStyleLink = probe.styleLink;

@ -272,17 +283,38 @@ async function normalMotionContract(scriptPath) {
  await flush();
  assert.equal(probe.captures.length, 1);

+  const mediaChunks = mediaFixture.chunks;
+  const preSpeechCount = mediaFixture.pre_speech_chunk_count;
+  for (const chunk of mediaChunks.slice(0, preSpeechCount)) {
+    probe.recorders[0].ondataavailable({
+      data: new Blob([chunk], {type: mediaFixture.mime_type}),
+    });
+  }
+
  probe.analysers[0].level = 0.3;
  probe.runIntervals();
  probe.runIntervals();
  probe.runIntervals();
-  probe.recorders[0].ondataavailable({data: new Blob(['speech'], {type: 'audio/webm'})});
+  for (const chunk of mediaChunks.slice(preSpeechCount)) {
+    probe.recorders[0].ondataavailable({
+      data: new Blob([chunk], {type: mediaFixture.mime_type}),
+    });
+  }
  probe.now = 4000;
  probe.analysers[0].level = 0;
  probe.runIntervals();
  await flush();
+  await flush();
  assert.match(probe.indicator.className, /\btranscribing\b/);
  assert.equal(probe.label.textContent, 'Transcribing…');
+  assert.ok(probe.uploadedFile, 'transcription upload was not captured');
+  assert.equal(probe.uploadedFile.name, 'voice-input.webm');
+  assert.equal(probe.uploadedFile.type, mediaFixture.mime_type);
+  const expectedUpload = Buffer.concat([
+    mediaChunks[0],
+    ...mediaChunks.slice(preSpeechCount - 3),
+  ]);
+  assert.deepEqual(Buffer.from(probe.uploadedFile.bytes), expectedUpload);

  probe.resolveTranscript({transcript: 'Hello Hermes'});
  await flush();
@ -310,8 +342,21 @@ async function normalMotionContract(scriptPath) {

 async function main() {
  const scriptPath = process.argv[2];
-  assert.ok(scriptPath, 'usage: node hermes_voice_instrument_probe.js <atlas-voice.js>');
-  const first = await normalMotionContract(scriptPath);
+  const fixturePath = process.argv[3];
+  assert.ok(
+    scriptPath && fixturePath,
+    'usage: node hermes_voice_instrument_probe.js <atlas-voice.js> <media-fixture.json>',
+  );
+  const mediaFixture = JSON.parse(fs.readFileSync(fixturePath, 'utf8'));
+  const payload = fs.readFileSync(path.join(path.dirname(fixturePath), mediaFixture.payload_file));
+  let offset = 0;
+  mediaFixture.chunks = mediaFixture.chunk_sizes.map(size => {
+    const chunk = payload.subarray(offset, offset + size);
+    offset += size;
+    return chunk;
+  });
+  assert.equal(offset, payload.length, 'fixture chunk sizes do not cover the payload');
+  const first = await normalMotionContract(scriptPath, mediaFixture);
  const {probe, originalStyleLink, capturesBeforeSpeech} = first;

  assert.equal(probe.captures.length, capturesBeforeSpeech);
--- a/testing/tests/data/atlas_voice_language_probe.js
+++ b/testing/tests/data/atlas_voice_language_probe.js
@ -0,0 +1,463 @@
+// Deterministic browser stub that drives dockerfiles/hermes-webui-atlas-voice.js
+// through complete hands-free turns with no microphone, audio device or GPU.
+//
+// The script under test is an IIFE with no exported seams, so the only honest
+// way to assert what reaches POST /api/tts is to run it against a fake DOM and
+// fake clock and record the requests it actually makes. Usage:
+//
+//     node atlas_voice_language_probe.js <path-to-atlas-voice.js>
+//
+// It prints one JSON object describing every scenario to stdout.
+'use strict';
+
+const fs = require('fs');
+const vm = require('vm');
+
+const SCRIPT_PATH = process.argv[2];
+if (!SCRIPT_PATH) {
+  throw new Error('usage: atlas_voice_language_probe.js <atlas-voice.js>');
+}
+const SOURCE = fs.readFileSync(SCRIPT_PATH, 'utf8');
+
+function flush() {
+  // Four macrotask hops drain the promise chains the script builds around
+  // fetch()/json()/blob()/play() without ever waiting on wall-clock time.
+  return new Promise((resolve) => {
+    let hops = 0;
+    (function hop() {
+      hops += 1;
+      if (hops > 12) {
+        resolve();
+        return;
+      }
+      setImmediate(hop);
+    })();
+  });
+}
+
+function makeElement(id) {
+  return {
+    id,
+    style: {
+      values: new Map(),
+      setProperty(name, value) { this.values.set(name, String(value)); },
+      removeProperty(name) { this.values.delete(name); },
+      getPropertyValue(name) { return this.values.get(name) || ''; },
+    },
+    dataset: {},
+    attributes: {},
+    value: '',
+    textContent: '',
+    className: '',
+    classList: {
+      entries: new Set(),
+      add(name) { this.entries.add(name); },
+      remove(name) { this.entries.delete(name); },
+      contains(name) { return this.entries.has(name); },
+    },
+    listeners: [],
+    setAttribute(name, value) { this.attributes[name] = String(value); },
+    getAttribute(name) {
+      return Object.prototype.hasOwnProperty.call(this.attributes, name)
+        ? this.attributes[name] : null;
+    },
+    addEventListener(type, handler) { this.listeners.push({ type, handler }); },
+    removeEventListener(type, handler) {
+      this.listeners = this.listeners.filter((entry) => entry.handler !== handler);
+    },
+    click() {
+      const event = { preventDefault() {}, stopImmediatePropagation() {} };
+      this.listeners
+        .filter((entry) => entry.type === 'click')
+        .forEach((entry) => entry.handler(event));
+    },
+    querySelector() { return null; },
+    insertBefore() {},
+    appendChild() {},
+  };
+}
+
+function makeHarness() {
+  const clock = { now: 1000000 };
+  const timeouts = [];
+  const intervals = new Map();
+  let timerId = 1;
+
+  const ttsRequests = [];
+  const transcribeCalls = [];
+  const toasts = [];
+  const sends = [];
+
+  let capability = { ok: true, available: true, provider: 'local_command' };
+  let transcribeResponse = { ok: true, transcript: 'hello', language: 'en' };
+  let transcribeStatus = 200;
+  let assistantRows = [];
+  let loud = false;
+  let recorder = null;
+
+  const storage = new Map();
+  const elements = {};
+  ['btnVoiceMode', 'voiceModeBar', 'voiceModeIndicator', 'voiceModeLabel', 'msg']
+    .forEach((id) => { elements[id] = makeElement(id); });
+
+  function MediaRecorder() {
+    this.state = 'recording';
+    this.ondataavailable = null;
+    this.onstop = null;
+    recorder = this;
+  }
+  MediaRecorder.prototype.start = function start() { this.state = 'recording'; };
+  MediaRecorder.prototype.stop = function stop() {
+    if (this.state === 'inactive') return;
+    this.state = 'inactive';
+    if (this.onstop) this.onstop();
+  };
+  MediaRecorder.isTypeSupported = function isTypeSupported() { return true; };
+
+  function AudioContext() {
+    this.createAnalyser = () => ({
+      fftSize: 2048,
+      getByteTimeDomainData(samples) {
+        for (let i = 0; i < samples.length; i += 1) {
+          samples[i] = loud ? (i % 2 ? 200 : 56) : 128;
+        }
+      },
+    });
+    this.createBiquadFilter = () => ({
+      type: '', frequency: { value: 0 }, Q: { value: 0 }, connect() {},
+    });
+    this.createMediaStreamSource = () => ({ connect() {} });
+    this.close = () => {};
+  }
+
+  function AudioElement() {
+    this.currentTime = 0;
+    this.onended = null;
+    this.onerror = null;
+    this.pause = () => {};
+    this.play = () => {
+      setImmediate(() => { if (this.onended) this.onended(); });
+      return Promise.resolve();
+    };
+  }
+
+  async function fetchStub(url, init) {
+    if (url === '/api/transcribe/capability') {
+      return { ok: true, status: 200, json: async () => capability };
+    }
+    if (url === '/api/transcribe') {
+      transcribeCalls.push({ body: init && init.body });
+      return {
+        ok: transcribeStatus < 400,
+        status: transcribeStatus,
+        json: async () => transcribeResponse,
+      };
+    }
+    if (url === '/api/tts') {
+      ttsRequests.push(JSON.parse(init.body));
+      return {
+        ok: true,
+        status: 200,
+        blob: async () => ({ synthetic: true }),
+        json: async () => ({}),
+      };
+    }
+    throw new Error(`unexpected fetch: ${url}`);
+  }
+
+  const context = {
+    console,
+    Uint8Array,
+    Promise,
+    Math,
+    JSON,
+    String,
+    Number,
+    Error,
+    parseInt,
+    isNaN,
+    Set,
+    Map,
+    Array,
+    Object,
+    Date: { now: () => clock.now },
+    Blob: function Blob(parts, options) { this.parts = parts; this.type = (options || {}).type || ''; },
+    File: function File(parts, name, options) {
+      this.parts = parts; this.name = name; this.type = (options || {}).type || '';
+    },
+    FormData: function FormData() { this.entries = []; this.append = (k, v) => this.entries.push([k, v]); },
+    URL: { createObjectURL: () => 'blob:atlas-test', revokeObjectURL() {} },
+    Audio: AudioElement,
+    MediaRecorder,
+    AudioContext,
+    fetch: fetchStub,
+    localStorage: {
+      getItem: (key) => (storage.has(key) ? storage.get(key) : null),
+      setItem: (key, value) => { storage.set(key, String(value)); },
+      removeItem: (key) => { storage.delete(key); },
+    },
+    navigator: {
+      mediaDevices: {
+        getUserMedia: async () => ({ getTracks: () => [{ stop() {} }] }),
+        getSupportedConstraints: () => ({}),
+      },
+    },
+    document: {
+      getElementById: (id) => elements[id] || null,
+      querySelectorAll: () => assistantRows,
+      createElement: () => ({ value: '', textContent: '' }),
+    },
+    S: { session: { session_id: 'session-1' }, busy: false },
+    setTimeout: (fn, delay) => {
+      const id = timerId; timerId += 1;
+      timeouts.push({ id, fn, at: clock.now + (delay || 0) });
+      return id;
+    },
+    clearTimeout: (id) => {
+      const index = timeouts.findIndex((entry) => entry.id === id);
+      if (index >= 0) timeouts.splice(index, 1);
+    },
+    setInterval: (fn, delay) => {
+      const id = timerId; timerId += 1;
+      intervals.set(id, { fn, delay: delay || 0 });
+      return id;
+    },
+    clearInterval: (id) => { intervals.delete(id); },
+  };
+  context.window = context;
+  context.showToast = (message) => { toasts.push(message); };
+  context.send = () => { sends.push(elements.msg.value); };
+  context.autoResize = () => {};
+
+  vm.createContext(context);
+  vm.runInContext(SOURCE, context, { filename: 'atlas-voice.js' });
+
+  function runDueTimeouts() {
+    const due = timeouts.filter((entry) => entry.at <= clock.now);
+    due.forEach((entry) => {
+      const index = timeouts.indexOf(entry);
+      if (index >= 0) timeouts.splice(index, 1);
+      entry.fn();
+    });
+  }
+
+  function tick(ms) {
+    clock.now += ms;
+    Array.from(intervals.values()).forEach((entry) => entry.fn());
+    runDueTimeouts();
+  }
+
+  return {
+    context,
+    elements,
+    ttsRequests,
+    transcribeCalls,
+    toasts,
+    sends,
+    clock,
+    recorder: () => recorder,
+    setLoud: (value) => { loud = value; },
+    setCapability: (value) => { capability = value; },
+    setTranscribeResponse: (value, status) => {
+      transcribeResponse = value;
+      transcribeStatus = status === undefined ? 200 : status;
+    },
+    setAssistantReply: (text) => { assistantRows = [{ dataset: { rawText: text } }]; },
+    setSession: (id) => { context.S.session = { session_id: id }; },
+    advance: (ms) => { clock.now += ms; },
+    tick,
+    runDueTimeouts,
+    flush,
+  };
+}
+
+// Walk one capture window: pre-roll audio, three loud frames so the VAD latches
+// speech, then silence past the hangover so MediaRecorder.stop() fires.
+async function captureSpeech(harness) {
+  const active = harness.recorder();
+  if (!active) throw new Error('voice mode never created a recorder');
+  active.ondataavailable({ data: { size: 512 } });
+  harness.setLoud(true);
+  for (let i = 0; i < 4; i += 1) harness.tick(100);
+  active.ondataavailable({ data: { size: 512 } });
+  harness.setLoud(false);
+  harness.advance(2500);
+  harness.tick(100);
+  await harness.flush();
+}
+
+async function startVoiceMode(harness) {
+  await harness.flush();
+  harness.elements.btnVoiceMode.click();
+  await harness.flush();
+}
+
+// One complete turn: speak, transcribe, let the app "answer", read it back.
+async function runTurn(harness, { transcript, language, reply }) {
+  const payload = { ok: true, transcript };
+  if (language !== undefined) payload.language = language;
+  harness.setTranscribeResponse(payload);
+  await captureSpeech(harness);
+  harness.setAssistantReply(reply || 'An answer.');
+  harness.context.autoReadLastAssistant();
+  await harness.flush();
+}
+
+async function restartListening(harness) {
+  harness.advance(1000);
+  harness.runDueTimeouts();
+  await harness.flush();
+}
+
+const scenarios = {};
+
+scenarios.english_turn_speaks_english = async () => {
+  const harness = makeHarness();
+  await startVoiceMode(harness);
+  await runTurn(harness, { transcript: 'What is the weather?', language: 'en' });
+  return { tts: harness.ttsRequests };
+};
+
+scenarios.russian_turn_speaks_russian = async () => {
+  const harness = makeHarness();
+  await startVoiceMode(harness);
+  await runTurn(harness, { transcript: 'Как дела?', language: 'ru', reply: 'Всё хорошо.' });
+  return { tts: harness.ttsRequests };
+};
+
+scenarios.spanish_turn_speaks_spanish = async () => {
+  const harness = makeHarness();
+  await startVoiceMode(harness);
+  await runTurn(harness, { transcript: '¿Qué tal?', language: 'es', reply: 'Muy bien.' });
+  return { tts: harness.ttsRequests };
+};
+
+scenarios.missing_language_falls_back = async () => {
+  const harness = makeHarness();
+  await startVoiceMode(harness);
+  await runTurn(harness, { transcript: 'Hello there.' });
+  return { tts: harness.ttsRequests };
+};
+
+scenarios.unsupported_language_falls_back = async () => {
+  const harness = makeHarness();
+  await startVoiceMode(harness);
+  await runTurn(harness, { transcript: 'Bonjour tout le monde.', language: 'fr' });
+  return { tts: harness.ttsRequests };
+};
+
+scenarios.hostile_language_values_are_dropped = async () => {
+  const results = [];
+  const hostile = [
+    'ru; rm -rf /',
+    '../../ru_RU-irina-medium',
+    'ru\\u0000',
+    'RUSSIAN',
+    { language: 'ru' },
+    ['ru'],
+    42,
+    null,
+    'r',
+    'ru ru',
+    'x'.repeat(4096),
+  ];
+  for (const language of hostile) {
+    const harness = makeHarness();
+    // eslint-disable-next-line no-await-in-loop
+    await startVoiceMode(harness);
+    // eslint-disable-next-line no-await-in-loop
+    await runTurn(harness, { transcript: 'Say something.', language });
+    results.push({ sent: String(language), tts: harness.ttsRequests });
+  }
+  return { results };
+};
+
+scenarios.voice_field_is_never_sent = async () => {
+  const harness = makeHarness();
+  await startVoiceMode(harness);
+  await runTurn(harness, { transcript: 'Как дела?', language: 'ru' });
+  return { tts: harness.ttsRequests };
+};
+
+scenarios.language_does_not_leak_into_later_turn = async () => {
+  const harness = makeHarness();
+  await startVoiceMode(harness);
+  await runTurn(harness, { transcript: 'Как дела?', language: 'ru', reply: 'Всё хорошо.' });
+  await restartListening(harness);
+  await runTurn(harness, { transcript: 'And in English?', language: undefined });
+  await restartListening(harness);
+  await runTurn(harness, { transcript: '¿Y ahora?', language: 'es' });
+  return { tts: harness.ttsRequests };
+};
+
+scenarios.empty_transcript_does_not_arm_a_language = async () => {
+  const harness = makeHarness();
+  await startVoiceMode(harness);
+  harness.setTranscribeResponse({ ok: true, transcript: '   ', language: 'ru' });
+  await captureSpeech(harness);
+  const sendsAfterBlank = harness.sends.slice();
+  // A reply landing while the blank turn winds down must not inherit a
+  // language that transcript never earned.
+  harness.setAssistantReply('A stray answer.');
+  harness.context.autoReadLastAssistant();
+  await harness.flush();
+  await restartListening(harness);
+  await runTurn(harness, { transcript: 'Hello.', language: undefined });
+  return { sendsAfterBlank, tts: harness.ttsRequests, sends: harness.sends };
+};
+
+scenarios.session_change_discards_language = async () => {
+  const harness = makeHarness();
+  await startVoiceMode(harness);
+  harness.setTranscribeResponse({ ok: true, transcript: 'Как дела?', language: 'ru' });
+  await captureSpeech(harness);
+  harness.setSession('session-2');
+  harness.setAssistantReply('Reply that belongs to another chat.');
+  harness.context.autoReadLastAssistant();
+  await harness.flush();
+  const afterSwitch = harness.ttsRequests.slice();
+  await restartListening(harness);
+  await runTurn(harness, { transcript: 'Hello again.', language: undefined });
+  return { afterSwitch, tts: harness.ttsRequests };
+};
+
+scenarios.deactivation_discards_language = async () => {
+  const harness = makeHarness();
+  await startVoiceMode(harness);
+  harness.setTranscribeResponse({ ok: true, transcript: 'Как дела?', language: 'ru' });
+  await captureSpeech(harness);
+  harness.elements.btnVoiceMode.click();
+  await harness.flush();
+  harness.setAssistantReply('Late reply after the user left voice mode.');
+  harness.context.autoReadLastAssistant();
+  await harness.flush();
+  const afterDeactivate = harness.ttsRequests.slice();
+  harness.elements.btnVoiceMode.click();
+  await harness.flush();
+  await runTurn(harness, { transcript: 'Fresh start.', language: undefined });
+  return { afterDeactivate, tts: harness.ttsRequests };
+};
+
+scenarios.transcribe_error_speaks_nothing = async () => {
+  const harness = makeHarness();
+  await startVoiceMode(harness);
+  harness.setTranscribeResponse({ error: 'Whisper is down' }, 503);
+  await captureSpeech(harness);
+  harness.setAssistantReply('Some earlier answer.');
+  harness.context.autoReadLastAssistant();
+  await harness.flush();
+  return { tts: harness.ttsRequests, toasts: harness.toasts };
+};
+
+(async () => {
+  const output = {};
+  const names = Object.keys(scenarios);
+  for (const name of names) {
+    // eslint-disable-next-line no-await-in-loop
+    output[name] = await scenarios[name]();
+  }
+  process.stdout.write(JSON.stringify(output, null, 1));
+})().catch((error) => {
+  process.stderr.write(String((error && error.stack) || error));
+  process.exit(1);
+});
--- a/testing/tests/test_hermes_chat_quality.py
+++ b/testing/tests/test_hermes_chat_quality.py
@ -343,7 +343,7 @@ def test_chat_voice_uses_private_jetson_services_and_shared_auto_route():
    assert "/api/tts" in voice_script
    assert "speakResponse(generation)" in voice_script
    assert "window._splitForTTS(text,280)" in voice_script
-    assert "pending=fetchSpeech(chunks[index+1])" in voice_script
+    assert "pending=fetchSpeech(chunks[index+1],language)" in voice_script
    assert "restartSoon(token,450)" in voice_script
    assert "constraints.voiceIsolation=true" in voice_script
    assert "highpass.frequency.value=140" in voice_script
@ -398,13 +398,27 @@ def test_voice_models_are_baked_and_runtime_has_no_public_egress():
    assert "HERMES_STT_CACHE=/opt/models/whisper" in stt_dockerfile
    assert "ADD --checksum=sha256:4cabf7c3" in tts_dockerfile
    assert "ADD --checksum=sha256:db42b97d" in tts_dockerfile
-    assert tts_dockerfile.count("--chmod=0444") == 6
+    assert "ADD --checksum=sha256:b3a6e47b57b8c7fbe6a0ce2518161a50f59a9cdd8a50835c02cb02bdd6206c18" in tts_dockerfile
+    assert "ADD --checksum=sha256:95a23eb4d42909d38df73bb9ac7f45f597dbfcde2d1bf9526fdeaf5466977d77" in tts_dockerfile
+    assert "ADD --checksum=sha256:8ff38212d23da300bbe3705c645e6e5b9475f0bfde01558eb17813e22acaaaaa" in tts_dockerfile
+    assert "ADD --checksum=sha256:c2ec28bb38e2b59e93b959b3e40348c1afebbd272f30fed5d41205d08e98a9d7" in tts_dockerfile
+    assert "ADD --checksum=sha256:3ef40a71ea63852cd8ab7e6fa7d2ecdcfa67a0b47c9c48e3f10e02ee02083ea0" in tts_dockerfile
+    assert "ADD --checksum=sha256:1afc81f703c0e4cb3b4d7c0dca096b8b54a98806807f0170cf5eb5557723c12d" in tts_dockerfile
+    assert tts_dockerfile.count("--chmod=0444") == 12
+    assert "/opt/models/piper/en_US-amy-medium.onnx" in tts_dockerfile
+    assert "/opt/models/piper/ru_RU-irina-medium.onnx" in tts_dockerfile
+    assert "/opt/models/piper/es_MX-claude-high.onnx" in tts_dockerfile
    assert "chmod 0555 /opt/models /opt/models/piper" in tts_dockerfile
    assert "HERMES_TTS_CACHE=/opt/models/piper" in tts_dockerfile
+    assert "HERMES_TTS_VOICE=en_US-amy-medium" in tts_dockerfile
    tts_server = (ROOT / "dockerfiles" / "hermes-jetson-tts-server.py").read_text()
    assert "download_voice" not in tts_server
    assert "baked Piper voice is missing" in tts_server
-    assert "session_options.intra_op_num_threads = ONNX_THREADS" in tts_server
+    assert "session_options.intra_op_num_threads = threads" in tts_server
+    assert 'LANGUAGE_VOICE_MAP = {' in tts_server
+    assert '"en": "en_US-amy-medium"' in tts_server
+    assert '"ru": "ru_RU-irina-medium"' in tts_server
+    assert '"es": "es_MX-claude-high"' in tts_server

    policies = _documents(HERMES / "networkpolicy.yaml")
    voice_policy = next(
--- a/testing/tests/test_hermes_execution_pool_assignment.py
+++ b/testing/tests/test_hermes_execution_pool_assignment.py
@ -124,7 +124,7 @@ def test_additive_patch_replaces_local_lane_without_touching_base_deployment():
    environment = {item["name"]: item["value"] for item in local["env"]}
    assert environment == {
        "HERMES_CLI_LANE_OWNED_WORKSPACES_ONLY": "true",
-        "HERMES_CLI_LANE_CONCURRENCY": "1",
+        "HERMES_CLI_LANE_CONCURRENCY": "2",
    }
    assert pool["resources"]["requests"] == {"cpu": "50m", "memory": "128Mi"}
    access = next(item for item in pool["volumeMounts"] if item["name"] == "runtime-access")
--- a/testing/tests/test_hermes_handsfree_stt.py
+++ b/testing/tests/test_hermes_handsfree_stt.py
@ -0,0 +1,203 @@
+"""Browser-to-ffmpeg contracts for Hermes hands-free transcription uploads."""
+
+from __future__ import annotations
+
+import importlib.util
+import json
+import os
+from pathlib import Path
+import shutil
+import subprocess
+import sys
+
+
+ROOT = Path(__file__).resolve().parents[2]
+VOICE_JS = ROOT / "dockerfiles/hermes-webui-atlas-voice.js"
+STT_PATCHER = ROOT / "dockerfiles/hermes-webui-stt-patch.py"
+AGENT_FIXTURE = ROOT / "testing/fixtures/hermes-agent-9de9c25f"
+MEDIA_FIXTURE = ROOT / "testing/fixtures/mediarecorder/chromium-webm-opus.json"
+SAFE_CONVERSION_ERROR = (
+    "Audio conversion failed: upload is invalid, incomplete, or uses an "
+    "unsupported codec"
+)
+
+
+def _media_chunks() -> tuple[dict[str, object], list[bytes]]:
+    fixture = json.loads(MEDIA_FIXTURE.read_text(encoding="utf-8"))
+    payload = MEDIA_FIXTURE.with_name(str(fixture["payload_file"])).read_bytes()
+    chunks = []
+    offset = 0
+    for size in fixture["chunk_sizes"]:
+        end = offset + int(size)
+        chunks.append(payload[offset:end])
+        offset = end
+    assert offset == len(payload)
+    return fixture, chunks
+
+
+def _late_speech_upload(*, preserve_header: bool) -> bytes:
+    fixture, chunks = _media_chunks()
+    count = int(fixture["pre_speech_chunk_count"])
+    retained = chunks[count - 3 :]
+    if preserve_header:
+        retained.insert(0, chunks[0])
+    return b"".join(retained)
+
+
+def _patched_transcription_module(tmp_path: Path):
+    target = tmp_path / "hermes-agent"
+    shutil.copytree(AGENT_FIXTURE, target)
+    env = os.environ.copy()
+    env["HERMES_AGENT_PATCH_ROOT"] = str(target)
+    subprocess.run(
+        [sys.executable, str(STT_PATCHER)],
+        cwd=ROOT,
+        env=env,
+        check=True,
+        capture_output=True,
+        text=True,
+    )
+    module_path = target / "tools/transcription_tools.py"
+    spec = importlib.util.spec_from_file_location(
+        "pinned_transcription_tools", module_path
+    )
+    assert spec and spec.loader
+    module = importlib.util.module_from_spec(spec)
+    spec.loader.exec_module(module)
+    return module
+
+
+def _convert(module, tmp_path: Path, payload: bytes, suffix: str):
+    source = tmp_path / f"voice-input{suffix}"
+    output_dir = tmp_path / f"converted-{suffix.removeprefix('.')}"
+    output_dir.mkdir()
+    source.write_bytes(payload)
+    return module._prepare_local_audio(str(source), str(output_dir))
+
+
+def test_fixture_reproduces_the_current_ebml_header_failure(tmp_path: Path):
+    """The red control is browser data after the old sliding pre-roll dropped chunk 0."""
+    broken = tmp_path / "current-late-speech.webm"
+    broken.write_bytes(_late_speech_upload(preserve_header=False))
+
+    result = subprocess.run(
+        ["ffmpeg", "-v", "error", "-y", "-i", str(broken), str(tmp_path / "bad.wav")],
+        check=False,
+        capture_output=True,
+        text=True,
+        timeout=15,
+    )
+
+    assert result.returncode != 0
+    assert "EBML header" in result.stderr
+
+
+def test_header_preserved_browser_webm_reaches_real_conversion_boundary(
+    tmp_path: Path,
+):
+    module = _patched_transcription_module(tmp_path)
+    prepared, error = _convert(
+        module,
+        tmp_path,
+        _late_speech_upload(preserve_header=True),
+        ".webm",
+    )
+
+    assert error is None
+    assert prepared is not None
+    output = Path(prepared)
+    assert output.is_file()
+    assert output.read_bytes().startswith(b"RIFF")
+
+
+def test_invalid_browser_upload_returns_bounded_error_without_ffmpeg_spam(
+    tmp_path: Path,
+):
+    module = _patched_transcription_module(tmp_path)
+    prepared, error = _convert(
+        module,
+        tmp_path,
+        _late_speech_upload(preserve_header=False),
+        ".webm",
+    )
+
+    assert prepared is None
+    assert error == SAFE_CONVERSION_ERROR
+    assert len(error) < 128
+    lowered = error.lower()
+    assert "ffmpeg version" not in lowered
+    assert "configuration:" not in lowered
+    assert "/tmp/" not in lowered
+
+
+def test_local_conversion_accepts_browser_fallback_containers(tmp_path: Path):
+    module = _patched_transcription_module(tmp_path)
+    formats = ((".ogg", "libopus"), (".mp4", "aac"))
+
+    for suffix, codec in formats:
+        source = tmp_path / f"source{suffix}"
+        subprocess.run(
+            [
+                "ffmpeg",
+                "-v",
+                "error",
+                "-y",
+                "-f",
+                "lavfi",
+                "-i",
+                "sine=frequency=440:duration=0.4",
+                "-c:a",
+                codec,
+                str(source),
+            ],
+            check=True,
+            capture_output=True,
+            text=True,
+            timeout=15,
+        )
+        prepared, error = _convert(module, tmp_path, source.read_bytes(), suffix)
+        assert error is None
+        assert prepared is not None
+        assert Path(prepared).read_bytes().startswith(b"RIFF")
+
+
+def test_browser_uses_actual_recorder_mime_and_supported_extensions():
+    source = VOICE_JS.read_text(encoding="utf-8")
+
+    assert "let initialChunk=null" in source
+    assert "if(initialChunk){chunks.push(initialChunk);initialChunk=null;}" in source
+    assert "let recordedMime=recorder.mimeType||mime||''" in source
+    assert "if(event.data.type) recordedMime=event.data.type" in source
+    assert "audio/mp4;codecs=mp4a.40.2" in source
+    assert "if(normalized.indexOf('ogg')>=0) return 'ogg'" in source
+    assert "if(normalized.indexOf('mp4')>=0) return 'mp4'" in source
+
+
+def test_stt_patch_is_built_fail_closed_into_the_webui_image(tmp_path: Path):
+    dockerfile = (ROOT / "dockerfiles/Dockerfile.hermes-webui").read_text(
+        encoding="utf-8"
+    )
+    assert "COPY dockerfiles/hermes-webui-stt-patch.py" in dockerfile
+    assert "python /tmp/hermes-webui-stt-patch.py" in dockerfile
+    assert "/opt/hermes/tools/transcription_tools.py" in dockerfile
+
+    drifted = tmp_path / "drifted-agent"
+    shutil.copytree(AGENT_FIXTURE, drifted)
+    transcription = drifted / "tools/transcription_tools.py"
+    source = transcription.read_text(encoding="utf-8")
+    transcription.write_text(
+        source.replace("Failed to convert audio for local STT", "upstream drift", 1),
+        encoding="utf-8",
+    )
+    env = os.environ.copy()
+    env["HERMES_AGENT_PATCH_ROOT"] = str(drifted)
+    result = subprocess.run(
+        [sys.executable, str(STT_PATCHER)],
+        cwd=ROOT,
+        env=env,
+        check=False,
+        capture_output=True,
+        text=True,
+    )
+    assert result.returncode != 0
+    assert "patch context changed" in result.stderr
--- a/testing/tests/test_hermes_public_host_continuity.py
+++ b/testing/tests/test_hermes_public_host_continuity.py
@ -0,0 +1,153 @@
+"""Public chat/triage hostnames stay served on every layer during a rename.
+
+PR #34 renamed the chat and triage public hosts in place: the legacy names left
+the certificate SANs, the Ingress rules, the CoreDNS overrides and the Keycloak
+ensure script in one change. The legacy hosts began answering 404 with Traefik's
+default certificate while the renamed hosts could not finish a login, because
+Keycloak matches ``redirect_uri`` exactly and still held the old callback. Chat
+and triage were unreachable on every hostname at once.
+
+These tests pin the contract that makes that outage impossible to reintroduce
+silently: a public host is either served by all four layers or by none of them.
+"""
+
+from __future__ import annotations
+
+import re
+from pathlib import Path
+
+import pytest
+import yaml
+
+REPO = Path(__file__).parents[2]
+HERMES = REPO / "services/hermes"
+KEYCLOAK = REPO / "services/keycloak"
+COREDNS = REPO / "infrastructure/core/coredns-custom.yaml"
+ENSURE_SCRIPT = KEYCLOAK / "scripts/hermes_access_oidc_ensure.sh"
+
+# Every hostname the chat/triage surfaces must answer on, with the oauth2-proxy
+# backend that serves it. Both the renamed and the legacy names belong here
+# until a deliberate retirement change removes a row from this table.
+PUBLIC_HOSTS = {
+    "chat.bstein.dev": "oauth2-proxy-hermes-chat",
+    "chat.hermes.bstein.dev": "oauth2-proxy-hermes-chat",
+    "triage.bstein.dev": "oauth2-proxy-hermes-triage",
+    "triage.hermes.bstein.dev": "oauth2-proxy-hermes-triage",
+}
+
+# The agent surface was deliberately untouched by the rename.
+AGENT_HOST = "agent.hermes.bstein.dev"
+
+
+def _docs(path: Path) -> list[dict]:
+    return [doc for doc in yaml.safe_load_all(path.read_text()) if doc]
+
+
+def _named(path: Path, kind: str, name: str) -> dict:
+    for doc in _docs(path):
+        if doc.get("kind") == kind and doc["metadata"]["name"] == name:
+            return doc
+    raise AssertionError(f"{kind}/{name} missing from {path}")
+
+
+@pytest.fixture(scope="module")
+def certificate() -> dict:
+    return _named(HERMES / "agent-certificate.yaml", "Certificate", "hermes-sites-tls")
+
+
+@pytest.fixture(scope="module")
+def sites_ingress() -> dict:
+    return _named(HERMES / "agent-ingress.yaml", "Ingress", "hermes-sites")
+
+
+@pytest.fixture(scope="module")
+def coredns_hosts() -> set[str]:
+    block = yaml.safe_load(COREDNS.read_text())["data"]["bstein-dev.server"]
+    return {
+        line.split()[1]
+        for line in block.splitlines()
+        if len(line.split()) == 2 and re.fullmatch(r"[\d.]+", line.split()[0])
+    }
+
+
+@pytest.fixture(scope="module")
+def ensure_script() -> str:
+    return ENSURE_SCRIPT.read_text()
+
+
+@pytest.mark.parametrize("host", sorted(PUBLIC_HOSTS))
+def test_host_is_on_the_shared_certificate(host: str, certificate: dict):
+    """A host without a SAN serves Traefik's default self-signed certificate."""
+    assert host in certificate["spec"]["dnsNames"]
+
+
+@pytest.mark.parametrize("host", sorted(PUBLIC_HOSTS))
+def test_host_resolves_inside_the_cluster(host: str, coredns_hosts: set[str]):
+    assert host in coredns_hosts
+
+
+@pytest.mark.parametrize("host", sorted(PUBLIC_HOSTS))
+def test_host_has_an_ingress_rule_and_tls_entry(host: str, sites_ingress: dict):
+    """A host without a rule answers 404 even though DNS and TLS look healthy."""
+    spec = sites_ingress["spec"]
+    assert host in {name for entry in spec["tls"] for name in entry["hosts"]}
+
+    rule = next((item for item in spec["rules"] if item["host"] == host), None)
+    assert rule is not None, f"no hermes-sites rule serves {host}"
+
+    backends = {
+        path["backend"]["service"]["name"] for path in rule["http"]["paths"]
+    }
+    assert backends == {PUBLIC_HOSTS[host]}
+
+
+@pytest.mark.parametrize("host", sorted(PUBLIC_HOSTS))
+def test_host_is_registered_with_keycloak(host: str, ensure_script: str):
+    """Keycloak matches redirect_uri exactly, so every served host needs one."""
+    assert f"https://{host}" in ensure_script
+
+
+def test_agent_surface_was_not_touched_by_the_rename(
+    certificate: dict, coredns_hosts: set[str], ensure_script: str
+):
+    assert AGENT_HOST in certificate["spec"]["dnsNames"]
+    assert AGENT_HOST in coredns_hosts
+    assert f"https://{AGENT_HOST}" in ensure_script
+
+
+def test_ensure_script_registers_legacy_and_renamed_origins_together(
+    ensure_script: str,
+):
+    """The renamed proxies must carry both origins; the agent proxy only one."""
+    for client, canonical, legacy in (
+        ("hermes-chat-proxy", "chat.bstein.dev", "chat.hermes.bstein.dev"),
+        ("hermes-triage-proxy", "triage.bstein.dev", "triage.hermes.bstein.dev"),
+    ):
+        call = re.search(
+            rf'ensure_proxy_client "{client}".*?(?=\nensure_)',
+            ensure_script,
+            re.DOTALL,
+        )
+        assert call, f"{client} is never ensured"
+        assert f"https://{canonical}" in call.group(0)
+        assert f"https://{legacy}" in call.group(0)
+
+
+def test_ensure_job_is_rerun_whenever_the_script_changes():
+    """The Job is immutable, so a stale name silently skips the rerun."""
+    job = _named(
+        KEYCLOAK / "bootstrap-jobs/hermes-access-oidc-client-job.yaml",
+        "Job",
+        # The suffix moves with every rerun; resolve it from the manifest.
+        _job_name(),
+    )
+    assert job["spec"]["template"]["spec"]["containers"][0]["command"] == [
+        "/scripts/hermes_access_oidc_ensure.sh"
+    ]
+
+
+def _job_name() -> str:
+    path = KEYCLOAK / "bootstrap-jobs/hermes-access-oidc-client-job.yaml"
+    name = yaml.safe_load(path.read_text())["metadata"]["name"]
+    assert re.fullmatch(r"hermes-access-oidc-client-ensure-\d+", name), name
+    return name
--- a/testing/tests/test_hermes_tts_language_routing.py
+++ b/testing/tests/test_hermes_tts_language_routing.py
@ -0,0 +1,220 @@
+"""Language allow-list contracts for the private Hermes chat TTS voice policy."""
+
+from __future__ import annotations
+
+import importlib.util
+import io
+import json
+import sys
+from types import SimpleNamespace
+
+import pytest
+
+from testing.tests.test_hermes_chat_support import ROOT
+
+AMY = "en_US-amy-medium"
+IRINA = "ru_RU-irina-medium"
+CLAUDE = "es_MX-claude-high"
+
+
+def _load_tts_server(monkeypatch):
+    server_path = ROOT / "dockerfiles" / "hermes-jetson-tts-server.py"
+    spec = importlib.util.spec_from_file_location("hermes_jetson_tts_server", server_path)
+    assert spec and spec.loader
+    module = importlib.util.module_from_spec(spec)
+
+    class _FakeSessionOptions:
+        def __init__(self) -> None:
+            self.intra_op_num_threads = None
+            self.inter_op_num_threads = None
+
+    fake_onnxruntime = SimpleNamespace(
+        SessionOptions=_FakeSessionOptions,
+        InferenceSession=lambda *a, **k: SimpleNamespace(),
+    )
+    fake_piper = SimpleNamespace(
+        PiperConfig=SimpleNamespace(from_dict=lambda d: d),
+        PiperVoice=lambda **kwargs: SimpleNamespace(**kwargs),
+        SynthesisConfig=lambda **kwargs: SimpleNamespace(**kwargs),
+    )
+    monkeypatch.setitem(sys.modules, "onnxruntime", fake_onnxruntime)
+    monkeypatch.setitem(sys.modules, "piper", fake_piper)
+    spec.loader.exec_module(module)
+    return module
+
+
+@pytest.fixture
+def tts(monkeypatch):
+    return _load_tts_server(monkeypatch)
+
+
+@pytest.mark.parametrize(
+    "language,expected",
+    [
+        ("en", AMY),
+        ("en-US", AMY),
+        ("en_US", AMY),
+        ("EN", AMY),
+        ("En-Us", AMY),
+        ("ru", IRINA),
+        ("ru-RU", IRINA),
+        ("ru_RU", IRINA),
+        ("RU", IRINA),
+        ("es", CLAUDE),
+        ("es-MX", CLAUDE),
+        ("es_MX", CLAUDE),
+        ("es-ES", CLAUDE),
+        ("es_ES", CLAUDE),
+        ("ES", CLAUDE),
+    ],
+)
+def test_allow_listed_languages_resolve_to_the_approved_voice(tts, language, expected):
+    assert tts.resolve_voice_name(language) == expected
+
+
+@pytest.mark.parametrize(
+    "language",
+    [
+        None,
+        "",
+        "  ",
+        "fr",
+        "fr-FR",
+        "de-DE",
+        "xx",
+        "en-GB",
+        "es-AR",
+        "english",
+        123,
+        1.5,
+        True,
+        [],
+        {},
+        {"lang": "ru"},
+        "../../etc/passwd",
+        "en_US-amy-medium/../../ru_RU-irina-medium",
+        "\x00ru",
+        "ru\x00",
+    ],
+)
+def test_unknown_missing_or_malformed_language_falls_back_to_amy(tts, language):
+    assert tts.resolve_voice_name(language) == AMY
+
+
+def test_default_voice_name_matches_the_dockerfile_env_default(tts):
+    assert tts.DEFAULT_VOICE_NAME == AMY
+
+
+def test_resolved_voice_is_always_one_of_the_three_baked_names(tts):
+    assert frozenset({AMY, IRINA, CLAUDE}) == tts.BAKED_VOICE_NAMES
+    fuzz_inputs = [
+        "en", "ru", "es", "unknown", "", None, 42, "../../../etc/shadow",
+        "en_US-amy-medium\x00; rm -rf /", "RU-ru", "Es-Es", "en-us-extra",
+    ]
+    for value in fuzz_inputs:
+        assert tts.resolve_voice_name(value) in tts.BAKED_VOICE_NAMES
+
+
+def test_client_voice_field_cannot_override_the_language_policy(tts):
+    """The POST handler must select the voice from "language" only.
+
+    A malicious or stale "voice" field in a hostile/legacy request must never
+    change which baked model answers the request.
+    """
+    calls: list[str] = []
+
+    class _RecordingVoice:
+        def __init__(self, name: str) -> None:
+            self.name = name
+
+        def synthesize_wav(self, text, wav_file, syn_config) -> None:
+            calls.append(self.name)
+            wav_file.setnchannels(1)
+            wav_file.setsampwidth(2)
+            wav_file.setframerate(16_000)
+            wav_file.writeframes(b"\x00\x00")
+
+    class _RecordingHandler(tts.SpeechHandler):
+        def __init__(self, payload):
+            request = json.dumps(payload).encode("utf-8")
+            self.path = "/v1/audio/speech"
+            self.headers = {"Content-Length": str(len(request))}
+            self.rfile = io.BytesIO(request)
+            self.wfile = io.BytesIO()
+            self.status = None
+            self.response_headers = {}
+            self.server = SimpleNamespace(
+                voices={
+                    AMY: _RecordingVoice(AMY),
+                    IRINA: _RecordingVoice(IRINA),
+                    CLAUDE: _RecordingVoice(CLAUDE),
+                },
+                default_voice_name=AMY,
+            )
+
+        def send_response(self, status, message=None):
+            self.status = status
+
+        def send_header(self, name, value):
+            self.response_headers[name] = value
+
+        def end_headers(self):
+            return None
+
+    # A payload that supplies an attacker/legacy "voice" value but no
+    # language must resolve to the safe default, never the "voice" value.
+    handler = _RecordingHandler({"input": "hi", "voice": IRINA})
+    handler.do_POST()
+    assert handler.status == 200
+    assert handler.response_headers["X-TTS-Voice"] == AMY
+
+    # A payload supplying both must still be governed by "language" alone.
+    handler = _RecordingHandler({"input": "hi", "voice": CLAUDE, "language": "ru"})
+    handler.do_POST()
+    assert handler.status == 200
+    assert handler.response_headers["X-TTS-Voice"] == IRINA
+
+    assert calls == [AMY, IRINA]
+
+
+def test_no_client_string_reaches_a_filesystem_path(tts):
+    """resolve_voice_name must only ever return a fixed, baked literal.
+
+    This is the property that keeps a client from ever causing the server to
+    build a Path out of attacker-controlled text: the return value is always
+    a member of the fixed allow-list, regardless of input shape.
+    """
+    hostile_inputs = [
+        "../../../../etc/passwd",
+        "/etc/passwd",
+        "en_US-amy-medium/../../../etc/passwd",
+        "ru_RU-irina-medium\x00.onnx",
+        "es_MX-claude-high; cat /etc/shadow",
+        "\n\ren",
+        "en" + "/" * 200,
+        " ",
+    ]
+    for value in hostile_inputs:
+        result = tts.resolve_voice_name(value)
+        assert result in tts.BAKED_VOICE_NAMES
+        assert "/" not in result
+        assert ".." not in result
+        assert "\x00" not in result
+
+
+def test_normalize_language_rejects_non_string_input(tts):
+    assert tts.normalize_language(None) is None
+    assert tts.normalize_language(123) is None
+    assert tts.normalize_language([]) is None
+    assert tts.normalize_language("") is None
+    assert tts.normalize_language("   ") is None
+    assert tts.normalize_language("En_US") == "en-us"
+
+
+def test_default_voice_name_is_one_of_the_baked_voices(tts):
+    assert tts.DEFAULT_VOICE_NAME in tts.BAKED_VOICE_NAMES
+
+
+def test_load_voices_fails_closed_when_a_baked_model_is_missing(tts, tmp_path):
+    with pytest.raises(RuntimeError, match="baked Piper voice is missing"):
+        tts.load_voices(tmp_path, threads=1)
--- a/testing/tests/test_hermes_voice_instrument.py
+++ b/testing/tests/test_hermes_voice_instrument.py
@ -12,17 +12,24 @@ import sys

 ROOT = Path(__file__).resolve().parents[2]
 FIXTURE = ROOT / "testing/fixtures/hermes-webui-0.52.181"
+AGENT_FIXTURE = ROOT / "testing/fixtures/hermes-agent"
 PATCHER = ROOT / "dockerfiles/hermes-webui-atlas-patch.py"
 VOICE_JS = ROOT / "dockerfiles/hermes-webui-atlas-voice.js"
 VOICE_CSS = ROOT / "dockerfiles/hermes-webui-atlas-voice.css"
 DOM_PROBE = ROOT / "testing/probes/hermes_voice_instrument_probe.js"
+MEDIARECORDER_FIXTURE = (
+    ROOT / "testing/fixtures/mediarecorder/chromium-webm-opus.json"
+)


 def _patched_fixture(tmp_path: Path) -> Path:
    target = tmp_path / "hermes-webui"
+    agent_target = tmp_path / "hermes-agent"
    shutil.copytree(FIXTURE, target)
+    shutil.copytree(AGENT_FIXTURE, agent_target)
    env = os.environ.copy()
    env["HERMES_WEBUI_PATCH_ROOT"] = str(target)
+    env["HERMES_AGENT_PATCH_ROOT"] = str(agent_target)
    subprocess.run(
        [sys.executable, str(PATCHER)],
        cwd=ROOT,
@ -57,6 +64,52 @@ def test_real_upstream_fixture_receives_visual_instrument_contract(tmp_path: Pat
    assert '<button' not in index[index.index('id="voiceModeBar"') : index.index('<textarea')]


+def test_patched_webui_has_no_user_voice_choice_or_client_voice_field(
+    tmp_path: Path,
+):
+    """The pinned settings DOM and every TTS path leave speakers to policy."""
+    target = _patched_fixture(tmp_path)
+    index = (target / "static/index.html").read_text(encoding="utf-8")
+    ui = (target / "static/ui.js").read_text(encoding="utf-8")
+    panels = (target / "static/panels.js").read_text(encoding="utf-8")
+    boot = (target / "static/boot.js").read_text(encoding="utf-8")
+    i18n = (target / "static/i18n.js").read_text(encoding="utf-8")
+    config = (target / "api/config.py").read_text(encoding="utf-8")
+    routes = (target / "api/routes.py").read_text(encoding="utf-8")
+
+    assert "settingsTtsVoice" not in index
+    assert "settings_label_tts_voice" not in index
+    assert "settings_desc_tts_voice" not in index
+    assert "Default system voice" not in index
+    assert 'id="settingsTtsEngine"' in index
+    assert 'id="btnVoiceMode"' in index
+    assert 'id="voiceModeBar"' in index
+
+    assert "hermes-tts-voice" not in ui
+    assert "voice:voice" not in ui
+    assert (
+        "body:JSON.stringify({text:chunk, rate:rate, pitch:pitch, "
+        "engine:engineOverride||'edge'})"
+    ) in ui
+    assert "settingsTtsVoice" not in panels
+    assert "tts_voice" not in panels
+    assert "localStorage.removeItem('hermes-tts-voice')" in panels
+    assert panels.count("hermes-tts-voice") == 1
+    assert "hermes-tts-voice" not in boot
+    assert "tts_voice" not in boot
+    assert "text: clean, voice" not in boot
+    assert '"tts_voice"' not in config
+    assert "settings_label_tts_voice" not in i18n
+    assert "settings_desc_tts_voice" not in i18n
+
+    atlas_route = routes.split('if engine == "atlas":', 1)[1].split(
+        "# ── ElevenLabs TTS", 1
+    )[0]
+    assert '"input": text' in atlas_route
+    assert '"voice"' not in atlas_route
+    assert 'request_payload["language"] = _atlas_language' in atlas_route
+
+
 def test_visual_states_have_distinct_layers_finite_error_and_reduced_motion():
    css = VOICE_CSS.read_text(encoding="utf-8")

@ -86,7 +139,7 @@ def test_visual_states_have_distinct_layers_finite_error_and_reduced_motion():

 def test_dom_probe_exercises_actual_injected_voice_script():
    result = subprocess.run(
-        ["node", str(DOM_PROBE), str(VOICE_JS)],
+        ["node", str(DOM_PROBE), str(VOICE_JS), str(MEDIARECORDER_FIXTURE)],
        cwd=ROOT,
        check=True,
        capture_output=True,
@ -101,8 +154,9 @@ def test_visual_slice_preserves_private_voice_request_and_capture_contract():
    assert script.count("navigator.mediaDevices.getUserMedia(") == 1
    assert "form.append('file',new File([blob],'voice-input.'+ext" in script
    assert "fetch('/api/transcribe',{method:'POST',body:form})" in script
-    assert "body:JSON.stringify({text:chunk,engine:'atlas'})" in script
+    assert "const request={text:chunk,engine:'atlas'}" in script
+    assert "if(language) request.language=language" in script
    assert "speakResponse(generation)" in script
    assert "window._voiceModeImmediateSend" in script
    assert "mute" not in script.lower()
-    assert "language" not in script.lower()
+    assert "const TTS_LANGUAGES=['en','ru','es']" in script
--- a/testing/tests/test_hermes_voice_language_routing.py
+++ b/testing/tests/test_hermes_voice_language_routing.py
@ -0,0 +1,677 @@
+"""Voice-mode language routing: private Whisper STT decides the Piper voice.
+
+Every assertion here runs without a GPU, a microphone or a cluster. The browser
+contract is exercised by driving the real ``atlas-voice.js`` inside a stub DOM
+(``testing/tests/data/atlas_voice_language_probe.js``), and the two server-side
+trust boundaries are exercised by applying the real image patch to fixtures that
+carry the exact upstream anchors and then importing the patched result.
+"""
+
+from __future__ import annotations
+
+import importlib.util
+import json
+import os
+import shutil
+import subprocess
+import sys
+from pathlib import Path
+from types import SimpleNamespace
+
+import pytest
+
+from testing.tests.test_hermes_chat_support import HERMES, ROOT
+
+DOCKERFILES = ROOT / "dockerfiles"
+ATLAS_PATCH = DOCKERFILES / "hermes-webui-atlas-patch.py"
+VOICE_SCRIPT = DOCKERFILES / "hermes-webui-atlas-voice.js"
+VOICE_PROBE = ROOT / "testing" / "tests" / "data" / "atlas_voice_language_probe.js"
+WEBUI_FIXTURE = ROOT / "testing" / "fixtures" / "hermes-webui-0.52.181"
+ATLAS_TTS_URL = "http://hermes-tts.hermes.svc.cluster.local:9001/v1/audio/speech"
+
+# Voices baked by the multilingual Piper work (PR #26): en=amy, ru=irina,
+# es=claude. Anything outside this set must resolve to English.
+SUPPORTED = ("en", "ru", "es")
+
+
+# ---------------------------------------------------------------------------
+# Module loaders
+# ---------------------------------------------------------------------------
+
+
+def _load_stt_server(monkeypatch):
+    """Import the Jetson Whisper service without CUDA, torch or whisper."""
+    path = DOCKERFILES / "hermes-jetson-stt-server.py"
+    spec = importlib.util.spec_from_file_location("hermes_jetson_stt_server", path)
+    assert spec and spec.loader
+    module = importlib.util.module_from_spec(spec)
+    monkeypatch.setitem(sys.modules, "cgi", SimpleNamespace())
+    monkeypatch.setitem(
+        sys.modules,
+        "torch",
+        SimpleNamespace(cuda=SimpleNamespace(is_available=lambda: False)),
+    )
+    monkeypatch.setitem(sys.modules, "whisper", SimpleNamespace())
+    spec.loader.exec_module(module)
+    return module
+
+
+def _load_stt_client():
+    """Import the local-command STT client that Hermes shells out to."""
+    path = HERMES / "scripts" / "hermes_stt_client.py"
+    spec = importlib.util.spec_from_file_location("hermes_stt_client", path)
+    assert spec and spec.loader
+    module = importlib.util.module_from_spec(spec)
+    spec.loader.exec_module(module)
+    return module
+
+
+# ---------------------------------------------------------------------------
+# Patch fixtures — each file carries the exact upstream fragment the image
+# patch pins, so importing the patched result exercises the inserted code.
+# ---------------------------------------------------------------------------
+
+
+INDEX_FIXTURE = (
+    '<select id="settingsTtsEngine">'
+    '<option value="browser">Browser speech synthesis</option>'
+    '<option value="edge">Edge TTS (server)</option></select>\n'
+    '<script src="static/boot.js?v=__WEBUI_VERSION__" defer></script>\n'
+)
+
+UI_FIXTURE = """function _playEdgeTtsChunked(text, btn){
+  fetch('/api/tts',{method:'POST',body:JSON.stringify({text:chunk, voice:voice, rate:rate, pitch:pitch})});
+}
+function readAloud(clean, btn, engine){
+  if(engine==='edge'){
+    _playEdgeTtsChunked(clean, btn);
+  }
+}
+function autoRead(clean, engine){
+  if(engine==='edge'){
+    _playEdgeTtsChunked(clean, null);
+  }
+}
+"""
+
+HELPERS_FIXTURE = '''"""Stand-in for the WebUI helper module the patched code imports."""
+
+
+def bad(handler, message, status=400):
+    return {"status": status, "error": message}
+'''
+
+ROUTES_FIXTURE = '''"""Stand-in carrying the exact upstream anchors the Atlas TTS patch pins."""
+
+import json
+import os
+from urllib.request import ProxyHandler, Request, build_opener
+
+
+class _NoRedirectTtsHandler:
+    """Placeholder for the upstream no-redirect opener handler."""
+
+
+class _Logger:
+    def __init__(self):
+        self.failures = []
+
+    def exception(self, message):
+        self.failures.append(message)
+
+
+logger = _Logger()
+UPSTREAM_REQUESTS = []
+
+
+class _Upstream:
+    def __init__(self, payload):
+        self._payload = payload
+
+    def read(self):
+        return self._payload
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *exc_info):
+        return False
+
+
+def _buffer_tts_audio_response(response):
+    return response.read()
+
+
+def _tts_open(req, *, timeout=30, opener_factory=None):
+    """Thin network seam for the TTS upstream fetch so tests can intercept it."""
+    UPSTREAM_REQUESTS.append(json.loads(req.data.decode("utf-8")))
+    return _Upstream(b"RIFFsynthetic")
+
+
+def _handle_tts(handler, data, text, rate_str, engine):
+    # ── ElevenLabs TTS ──────────────────────────────────────────────────
+    return None
+'''
+
+UPLOAD_FIXTURE = '''"""Stand-in carrying the exact upstream /api/transcribe response anchor."""
+
+
+def j(handler, payload, status=200):
+    return {"status": status, "payload": payload}
+
+
+def handle_transcribe(handler, result):
+    try:
+        transcript = str(result.get('transcript') or '').strip()
+        return j(handler, {'ok': True, 'transcript': transcript})
+    except ValueError as error:
+        return j(handler, {'error': str(error)}, status=400)
+'''
+
+TRANSCRIPTION_FIXTURE = '''"""Stand-in carrying the exact upstream local-command STT envelope anchor."""
+
+import contextlib
+from pathlib import Path
+
+
+class _Logger:
+    def info(self, *args):
+        return None
+
+
+logger = _Logger()
+
+
+def _transcribe_local_command(file_path, normalized_model, output_dir):
+    try:
+        with contextlib.nullcontext(output_dir):
+            txt_files = sorted(Path(output_dir).glob("*.txt"))
+            transcript_text = txt_files[0].read_text(encoding="utf-8").strip()
+            logger.info(
+                "Transcribed %s via local STT command (%s, %d chars)",
+                Path(file_path).name,
+                normalized_model,
+                len(transcript_text),
+            )
+            return {"success": True, "transcript": transcript_text, "provider": "local_command"}
+    except OSError as error:
+        return {"success": False, "transcript": "", "error": str(error)}
+'''
+
+
+def _write(path: Path, text: str) -> None:
+    path.parent.mkdir(parents=True, exist_ok=True)
+    path.write_text(text, encoding="utf-8")
+
+
+@pytest.fixture
+def patched_webui(tmp_path, monkeypatch):
+    """Apply the real Atlas image patch to fixture trees and import the result."""
+    webui = tmp_path / "hermes-webui"
+    agent = tmp_path / "hermes"
+    # Start with the pinned full-surface fixture introduced by PR #39 so this
+    # test proves the language pipeline composes with its voice-selector removal
+    # and conversation instrument, not merely with the older #27 anchors.
+    shutil.copytree(WEBUI_FIXTURE, webui)
+    _write(webui / "api" / "__init__.py", "")
+    _write(webui / "api" / "helpers.py", HELPERS_FIXTURE)
+    _write(webui / "api" / "routes.py", ROUTES_FIXTURE)
+    _write(webui / "api" / "upload.py", UPLOAD_FIXTURE)
+    _write(agent / "tools" / "__init__.py", "")
+    _write(agent / "tools" / "transcription_tools.py", TRANSCRIPTION_FIXTURE)
+
+    environment = dict(os.environ)
+    environment["HERMES_WEBUI_PATCH_ROOT"] = str(webui)
+    environment["HERMES_AGENT_PATCH_ROOT"] = str(agent)
+    completed = subprocess.run(
+        [sys.executable, str(ATLAS_PATCH)],
+        env=environment,
+        capture_output=True,
+        text=True,
+    )
+    assert completed.returncode == 0, completed.stderr or completed.stdout
+
+    for name in ("api", "api.helpers", "api.routes", "api.upload", "tools",
+                 "tools.transcription_tools"):
+        sys.modules.pop(name, None)
+    monkeypatch.syspath_prepend(str(agent))
+    monkeypatch.syspath_prepend(str(webui))
+    import api.routes as routes  # noqa: PLC0415
+    import api.upload as upload  # noqa: PLC0415
+    import tools.transcription_tools as transcription  # noqa: PLC0415
+
+    yield SimpleNamespace(
+        webui=webui,
+        agent=agent,
+        routes=routes,
+        upload=upload,
+        transcription=transcription,
+    )
+
+    for name in ("api", "api.helpers", "api.routes", "api.upload", "tools",
+                 "tools.transcription_tools"):
+        sys.modules.pop(name, None)
+
+
+class _Handler:
+    """Just enough BaseHTTPRequestHandler surface for the Atlas TTS branch."""
+
+    def __init__(self):
+        self.status = None
+        self.headers_sent = {}
+        self.wfile = SimpleNamespace(write=self._write)
+        self.body = b""
+
+    def send_response(self, status):
+        self.status = status
+
+    def send_header(self, name, value):
+        self.headers_sent[name] = value
+
+    def end_headers(self):
+        return None
+
+    def _write(self, payload):
+        self.body += payload
+
+
+def _atlas_tts(patched, monkeypatch, data):
+    """Run the patched Atlas branch and return the JSON it sent to hermes-tts."""
+    monkeypatch.setenv("HERMES_WEBUI_ATLAS_TTS_URL", ATLAS_TTS_URL)
+    patched.routes.UPSTREAM_REQUESTS.clear()
+    handler = _Handler()
+    result = patched.routes._handle_tts(handler, data, "Some reply.", "", "atlas")
+    assert result is True, "the Atlas branch must own the response"
+    assert handler.status == 200
+    assert len(patched.routes.UPSTREAM_REQUESTS) == 1
+    return patched.routes.UPSTREAM_REQUESTS[0]
+
+
+# ---------------------------------------------------------------------------
+# 1. Whisper service reports the language it actually decoded with
+# ---------------------------------------------------------------------------
+
+
+def test_stt_response_carries_whisper_detected_language(monkeypatch):
+    module = _load_stt_server(monkeypatch)
+    payload = module._transcription_payload(
+        {
+            "language": "ru",
+            "segments": [
+                {"text": " Как дела?", "no_speech_prob": 0.1, "avg_logprob": -0.2}
+            ],
+        }
+    )
+    assert payload["text"] == "Как дела?"
+    assert payload["language"] == "ru"
+    assert payload["model"] == module.MODEL_NAME
+
+
+@pytest.mark.parametrize(
+    ("raw", "expected"),
+    [
+        ("en", "en"),
+        ("RU", "ru"),
+        ("  es  ", "es"),
+        ("yue", "yue"),
+        ("fr", "fr"),
+        ("en-US", ""),
+        ("en_US", ""),
+        ("e", ""),
+        ("english", ""),
+        ("", ""),
+        ("../en", ""),
+        ("en\x00", ""),
+        ("ru; rm -rf /", ""),
+        ("рус", ""),
+        (None, ""),
+        (7, ""),
+        (["ru"], ""),
+        ({"language": "ru"}, ""),
+    ],
+)
+def test_stt_language_field_is_shape_validated(monkeypatch, raw, expected):
+    module = _load_stt_server(monkeypatch)
+    assert module._detected_language({"language": raw}) == expected
+
+
+def test_stt_language_absent_when_whisper_omits_it(monkeypatch):
+    module = _load_stt_server(monkeypatch)
+    assert module._detected_language({}) == ""
+    assert module._detected_language("not a result") == ""
+    assert module._transcription_payload({"text": "hi"})["language"] == ""
+
+
+# ---------------------------------------------------------------------------
+# 2. The local-command client carries the language without breaking the
+#    .txt contract Hermes reads the transcript from
+# ---------------------------------------------------------------------------
+
+
+def test_stt_client_writes_language_sidecar_beside_the_txt_contract(tmp_path):
+    module = _load_stt_client()
+    module._write_result(tmp_path, "voice-input", "Как дела?", "ru")
+    assert (tmp_path / "voice-input.txt").read_text(encoding="utf-8") == "Как дела?"
+    assert (tmp_path / "voice-input.language").read_text(encoding="utf-8") == "ru"
+    # Hermes globs *.txt and reads the first match: the sidecar must not join it.
+    assert sorted(p.name for p in tmp_path.glob("*.txt")) == ["voice-input.txt"]
+
+
+def test_stt_client_omits_the_sidecar_when_no_language_was_detected(tmp_path):
+    module = _load_stt_client()
+    module._write_result(tmp_path, "voice-input", "Hello.", "")
+    assert (tmp_path / "voice-input.txt").exists()
+    assert not (tmp_path / "voice-input.language").exists()
+
+
+@pytest.mark.parametrize(
+    ("raw", "expected"),
+    [
+        ("en", "en"),
+        ("ES", "es"),
+        (" ru ", "ru"),
+        ("en-US", ""),
+        ("", ""),
+        ("../../etc/passwd", ""),
+        ("en\n", "en"),
+        ("e", ""),
+        (None, ""),
+        (12, ""),
+        (["en"], ""),
+    ],
+)
+def test_stt_client_normalises_the_service_language_field(raw, expected):
+    module = _load_stt_client()
+    assert module._normalize_language(raw) == expected
+
+
+# ---------------------------------------------------------------------------
+# 3. The patched agent envelope and /api/transcribe response carry it through
+# ---------------------------------------------------------------------------
+
+
+def test_patched_local_command_envelope_carries_the_sidecar_language(patched_webui, tmp_path):
+    output = tmp_path / "stt-out"
+    output.mkdir()
+    (output / "voice-input.txt").write_text("Как дела?", encoding="utf-8")
+    (output / "voice-input.language").write_text("ru\n", encoding="utf-8")
+    result = patched_webui.transcription._transcribe_local_command(
+        "/tmp/voice-input.wav", "small", output
+    )
+    assert result == {
+        "success": True,
+        "transcript": "Как дела?",
+        "provider": "local_command",
+        "language": "ru",
+    }
+
+
+def test_patched_local_command_envelope_defaults_to_no_language(patched_webui, tmp_path):
+    output = tmp_path / "stt-out"
+    output.mkdir()
+    (output / "voice-input.txt").write_text("Hello.", encoding="utf-8")
+    result = patched_webui.transcription._transcribe_local_command(
+        "/tmp/voice-input.wav", "small", output
+    )
+    assert result["transcript"] == "Hello."
+    assert result["language"] == ""
+
+
+@pytest.mark.parametrize(
+    "hostile",
+    ["en-US", "../../en", "en; rm -rf /", "e", "english", "", "\x00en", "e n"],
+)
+def test_patched_local_command_envelope_rejects_malformed_sidecars(
+    patched_webui, tmp_path, hostile
+):
+    output = tmp_path / "stt-out"
+    output.mkdir()
+    (output / "voice-input.txt").write_text("Hello.", encoding="utf-8")
+    (output / "voice-input.language").write_text(hostile, encoding="utf-8")
+    result = patched_webui.transcription._transcribe_local_command(
+        "/tmp/voice-input.wav", "small", output
+    )
+    assert result["language"] == ""
+
+
+def test_patched_local_command_envelope_survives_an_undecodable_sidecar(
+    patched_webui, tmp_path
+):
+    """A corrupt sidecar must cost the language, never the transcript."""
+    output = tmp_path / "stt-out"
+    output.mkdir()
+    (output / "voice-input.txt").write_text("Hello.", encoding="utf-8")
+    (output / "voice-input.language").write_bytes(b"\xff\xfe\x00ru")
+    result = patched_webui.transcription._transcribe_local_command(
+        "/tmp/voice-input.wav", "small", output
+    )
+    assert result["success"] is True
+    assert result["transcript"] == "Hello."
+    assert result["language"] == ""
+
+
+def test_patched_transcribe_response_reports_the_language(patched_webui):
+    response = patched_webui.upload.handle_transcribe(
+        None, {"success": True, "transcript": " Как дела? ", "language": "ru"}
+    )
+    assert response["payload"] == {"ok": True, "transcript": "Как дела?", "language": "ru"}
+
+
+@pytest.mark.parametrize(
+    "hostile",
+    ["", None, "en-US", "englishhh", "../en", 5, ["ru"], {"a": "b"}, "e"],
+)
+def test_patched_transcribe_response_blanks_untrusted_languages(patched_webui, hostile):
+    response = patched_webui.upload.handle_transcribe(
+        None, {"success": True, "transcript": "Hello.", "language": hostile}
+    )
+    assert response["payload"]["language"] == ""
+    assert response["payload"]["transcript"] == "Hello."
+
+
+# ---------------------------------------------------------------------------
+# 4. The /api/tts trust boundary: allow-list only, and never `voice`
+# ---------------------------------------------------------------------------
+
+
+@pytest.mark.parametrize("language", SUPPORTED)
+def test_atlas_tts_forwards_allow_listed_languages(patched_webui, monkeypatch, language):
+    body = _atlas_tts(patched_webui, monkeypatch, {"engine": "atlas", "language": language})
+    assert body["language"] == language
+    assert body["model"] == "piper"
+
+
+@pytest.mark.parametrize(
+    "hostile",
+    [
+        "fr",
+        "de",
+        "",
+        None,
+        "EN-GB",
+        " RU ",
+        "ru-RU",
+        "es_MX",
+        "../../ru_RU-irina-medium",
+        "ru; rm -rf /",
+        "ru\x00",
+        "ру",
+        5,
+        ["ru"],
+        {"language": "ru"},
+        True,
+        "x" * 8192,
+    ],
+)
+def test_atlas_tts_omits_untrusted_languages(
+    patched_webui, monkeypatch, hostile
+):
+    body = _atlas_tts(patched_webui, monkeypatch, {"engine": "atlas", "language": hostile})
+    assert "language" not in body
+
+
+def test_atlas_tts_language_is_absent_when_the_client_sends_none(patched_webui, monkeypatch):
+    body = _atlas_tts(patched_webui, monkeypatch, {"engine": "atlas"})
+    assert "language" not in body
+
+
+def test_atlas_tts_voice_field_cannot_steer_synthesis(patched_webui, monkeypatch):
+    body = _atlas_tts(
+        patched_webui,
+        monkeypatch,
+        {"engine": "atlas", "voice": "ru_RU-irina-medium", "language": "en"},
+    )
+    assert body["language"] == "en"
+    body = _atlas_tts(
+        patched_webui,
+        monkeypatch,
+        {"engine": "atlas", "voice": "es_MX-claude-high"},
+    )
+    assert "language" not in body
+
+
+def test_atlas_tts_language_helper_only_ever_returns_a_baked_voice_language(patched_webui):
+    resolve = patched_webui.routes._atlas_tts_language
+    hostile = [
+        None, 0, 1, -1, True, False, [], {}, set(), object(), b"ru",
+        "", " ", "\t\n", "en", "EN", "en-US", "en_us", "ru-RU", "es-MX",
+        "e", "eng", "english", "ru ru", "ru;es", "../ru", "ru\x00", "ру",
+        "x" * 65536, "en" * 4096,
+    ]
+    for value in hostile:
+        expected = value if value in SUPPORTED else ""
+        assert resolve({"language": value}) == expected
+    for value in hostile:
+        assert resolve(value) == ""
+    assert resolve({"voice": "ru_RU-irina-medium"}) == ""
+
+
+def test_manual_tts_button_body_still_carries_no_language(patched_webui):
+    """The read-aloud button has no trusted STT signal, so it must stay Amy."""
+    ui = (patched_webui.webui / "static" / "ui.js").read_text(encoding="utf-8")
+    assert "engine:engineOverride||'edge'" in ui
+    assert "language" not in ui
+
+
+# ---------------------------------------------------------------------------
+# 5. Browser contract, driven through the real atlas-voice.js
+# ---------------------------------------------------------------------------
+
+
+@pytest.fixture(scope="module")
+def voice_probe():
+    node = shutil.which("node")
+    if not node:
+        pytest.skip("node is required to drive the browser voice-mode contract")
+    completed = subprocess.run(
+        [node, str(VOICE_PROBE), str(VOICE_SCRIPT)],
+        capture_output=True,
+        text=True,
+        timeout=180,
+    )
+    assert completed.returncode == 0, completed.stderr
+    return json.loads(completed.stdout)
+
+
+@pytest.mark.parametrize(
+    ("scenario", "expected"),
+    [
+        ("english_turn_speaks_english", "en"),
+        ("russian_turn_speaks_russian", "ru"),
+        ("spanish_turn_speaks_spanish", "es"),
+    ],
+)
+def test_voice_mode_speaks_the_language_whisper_detected(voice_probe, scenario, expected):
+    requests = voice_probe[scenario]["tts"]
+    assert requests, "voice mode never reached /api/tts"
+    for request in requests:
+        assert request["engine"] == "atlas"
+        assert request["language"] == expected
+
+
+@pytest.mark.parametrize(
+    "scenario", ["missing_language_falls_back", "unsupported_language_falls_back"]
+)
+def test_voice_mode_omits_language_without_a_trusted_signal(voice_probe, scenario):
+    requests = voice_probe[scenario]["tts"]
+    assert requests, "voice mode never reached /api/tts"
+    for request in requests:
+        assert "language" not in request
+
+
+def test_voice_mode_drops_hostile_language_values(voice_probe):
+    for case in voice_probe["hostile_language_values_are_dropped"]["results"]:
+        for request in case["tts"]:
+            assert "language" not in request, case["sent"]
+
+
+def test_voice_mode_never_sends_a_voice_field(voice_probe):
+    for request in voice_probe["voice_field_is_never_sent"]["tts"]:
+        assert set(request) <= {"text", "engine", "language"}
+        assert "voice" not in request
+
+
+def test_voice_mode_does_not_reuse_a_previous_turn_language(voice_probe):
+    requests = voice_probe["language_does_not_leak_into_later_turn"]["tts"]
+    assert len(requests) == 3
+    assert requests[0]["language"] == "ru"
+    assert "language" not in requests[1]
+    assert requests[2]["language"] == "es"
+
+
+def test_voice_mode_ignores_language_from_an_empty_transcript(voice_probe):
+    result = voice_probe["empty_transcript_does_not_arm_a_language"]
+    assert result["sendsAfterBlank"] == []
+    assert result["sends"] == ["Hello."]
+    assert result["tts"], "the follow-up turn should still be spoken"
+    for request in result["tts"]:
+        assert "language" not in request
+
+
+def test_voice_mode_discards_language_when_the_session_changes(voice_probe):
+    result = voice_probe["session_change_discards_language"]
+    assert result["afterSwitch"] == []
+    for request in result["tts"]:
+        assert "language" not in request
+
+
+def test_voice_mode_discards_language_when_voice_mode_is_turned_off(voice_probe):
+    result = voice_probe["deactivation_discards_language"]
+    assert result["afterDeactivate"] == []
+    for request in result["tts"]:
+        assert "language" not in request
+
+
+def test_voice_mode_speaks_nothing_when_transcription_fails(voice_probe):
+    result = voice_probe["transcribe_error_speaks_nothing"]
+    assert result["tts"] == []
+    assert any("Whisper is down" in toast for toast in result["toasts"])
+
+
+# ---------------------------------------------------------------------------
+# 6. Build-time enforcement and documented semantics
+# ---------------------------------------------------------------------------
+
+
+def test_image_build_verifies_every_language_routing_patch():
+    dockerfile = (DOCKERFILES / "Dockerfile.hermes-webui").read_text(encoding="utf-8")
+    assert "'language': detected" in dockerfile
+    assert "def _atlas_tts_language(body):" in dockerfile
+    assert 'request_payload["language"] = _atlas_language' in dockerfile
+    assert '"language": detected_language' in dockerfile
+    assert "takeSttLanguage(token)" in dockerfile
+    assert "/opt/hermes-webui/api/upload.py" in dockerfile
+    assert "/opt/hermes/tools/transcription_tools.py" in dockerfile
+
+
+def test_atlas_patch_roots_are_overridable_for_offline_verification():
+    patch = ATLAS_PATCH.read_text(encoding="utf-8")
+    assert 'os.environ.get("HERMES_WEBUI_PATCH_ROOT", "/opt/hermes-webui")' in patch
+    assert 'os.environ.get("HERMES_AGENT_PATCH_ROOT", "/opt/hermes")' in patch
+
+
+def test_notes_document_the_stt_driven_voice_selection_and_its_limits():
+    notes = (HERMES / "NOTES.md").read_text(encoding="utf-8")
+    assert "STT-detected language" in notes
+    for marker in ("hands-free", "Typed messages", "en_US-amy-medium"):
+        assert marker in notes