Sync from GitHub 1b86c3a

app.py

@@ -367,6 +367,36 @@ def serve_media(filename: str):
     return FileResponse(path)
 
 
+# Self-hosted browser assets for the voice mode: Silero VAD (the always-on
+# listener) + onnxruntime-web's wasm runtime, vendored under frontend/vendor/ so
+# nothing on the listening path depends on a CDN. Pinned + immutable → long
+# cache. Only known extensions are served, and the resolved path is confined to
+# the vendor dir (no traversal).
+_VENDOR_DIR = os.path.join(_FRONTEND_DIR, "vendor")
+_VENDOR_MEDIA_TYPES = {
+    ".js": "text/javascript",
+    ".mjs": "text/javascript",
+    ".wasm": "application/wasm",
+    ".onnx": "application/octet-stream",
+}
+
+
+@app.get("/vendor/{path:path}")
+def serve_vendor(path: str):
+    """Vendored voice-mode assets (vad worklet/model + ort wasm runtime)."""
+    full = os.path.normpath(os.path.join(_VENDOR_DIR, path))
+    if not full.startswith(_VENDOR_DIR + os.sep) or not os.path.isfile(full):
+        return Response(status_code=404)
+    media_type = _VENDOR_MEDIA_TYPES.get(os.path.splitext(full)[1].lower())
+    if media_type is None:
+        return Response(status_code=404)
+    return FileResponse(
+        full,
+        media_type=media_type,
+        headers={"Cache-Control": "public, max-age=86400"},
+    )
+
+
 @app.get("/pdf/{doc_id}")
 def serve_pdf(doc_id: str):
     """A manual's source PDF (kept for direct download/open-in-tab; the viewer

frontend/index.html

@@ -213,17 +213,35 @@
           Try <em>“go to brake bleeding”</em>, <em>“next page”</em>, <em>“circle the brake hoses”</em>.
         </div>
 
-        <!-- input (text now; mic + live transcript later) -->
+        <!-- input — type, or tap the mic to talk (transcript flows into the
+             SAME send() path as typing) -->
         <div class="flex items-end gap-2 rounded-2xl border border-brand-200 bg-white focus-within:border-brand-400 focus-within:ring-2 focus-within:ring-brand-100 transition px-2.5 py-1.5">
           <textarea x-model="input" @keydown.enter.prevent="send()" rows="1"
             :disabled="!ready"
             placeholder="Type a request…"
             class="flex-1 resize-none bg-transparent px-1.5 py-1.5 text-sm text-navy outline-none placeholder:text-brand-400/70 max-h-24"></textarea>
+          <!-- mic: arms always-on listening (Silero VAD → Moonshine, fully
+               in-browser). The tap also satisfies the mobile mic-permission
+               gesture; the voice stack is lazy-loaded on first use so it never
+               touches initial page load. -->
+          <button @click="toggleVoice()" :disabled="!ready || voice==='loading'"
+            :aria-pressed="listening" aria-label="Voice input"
+            :title="voice==='on' ? 'Listening — tap to stop' : (voice==='loading' ? 'Loading voice…' : (voiceErr || 'Tap to talk'))"
+            class="shrink-0 grid place-items-center w-9 h-9 rounded-xl transition disabled:cursor-not-allowed"
+            :class="voice==='on' ? 'bg-accent-500 text-white animate-pulse'
+                  : voice==='loading' ? 'bg-brand-100 text-brand-500 animate-pulse'
+                  : voice==='error' ? 'bg-red-100 text-red-600 hover:bg-red-200'
+                  : 'text-brand-500 hover:text-navy hover:bg-brand-100'">
+            <i data-lucide="audio-lines" class="w-5 h-5"></i>
+          </button>
           <button @click="send()" :disabled="loading || !ready || !input.trim()" aria-label="Send"
             class="shrink-0 grid place-items-center w-9 h-9 rounded-xl bg-brand-600 text-white hover:bg-brand-700 disabled:opacity-40 disabled:cursor-not-allowed transition">
             <i data-lucide="arrow-up" class="w-5 h-5"></i>
           </button>
         </div>
+        <p x-show="voice==='on'" class="text-[11px] text-accent-600 px-1">Listening — just speak. Tap the mic to stop.</p>
+        <p x-show="voice==='loading'" class="text-[11px] text-brand-400 px-1">Loading voice (first time downloads the model)…</p>
+        <p x-show="voice==='error' && voiceErr" class="text-[11px] text-red-500 px-1" x-text="'Voice unavailable: ' + voiceErr"></p>
       </div>
     </section>
 
@@ -364,6 +382,11 @@ function repairGuy() {
     // compact memory of past turns ([{request, action}]) sent with each turn so
     // the agent can resolve references ("circle the other one", "go back").
     lastRequest:'', activity:null, history:[],
+    // voice mode: always-on, fully in-browser (Silero VAD segments speech →
+    // Moonshine transcribes → the transcript is fed into send() like typed
+    // text). Lazy-loaded on first mic tap; `voice` is the state machine
+    // (idle | loading | on | error). vad/asr are the one-time-built singletons.
+    voice:'idle', voiceErr:'', vad:null, asr:null, wakeLock:null,
     // left-rail tabs: 'toc' (the manual's contents) | 'trace' (the agent's full
     // diagnostic trace for the session). `trace` accumulates structured entries;
     // `traceSeen` drives the unseen-activity dot on the Diagnostics tab.
@@ -677,6 +700,20 @@ function repairGuy() {
               console.log('[circle-diag]', {page:ev.page, bbox:ev.bbox,
                 dimsFromBackend:ev.dims, natLoaded:this.nat[ev.page],
                 boxDimsUsed:this.boxDims(ev.page), usingBackendDims:!!ev.dims});
+              // DIAGNOSTIC 2: after Alpine renders, measure the ACTUAL drawn rect.
+              // Tells us if the box is (a) absent from the DOM, (b) zero-size,
+              // (c) rendered but off-screen/clipped, or (d) visible on-screen.
+              this.$nextTick(()=>{ setTimeout(()=>{
+                const rects=[...document.querySelectorAll('svg[viewBox] rect')];
+                const vis=rects.map(rc=>{ const svg=rc.ownerSVGElement;
+                  const shown=svg.checkVisibility ? svg.checkVisibility() : (svg.getClientRects().length>0);
+                  const r=rc.getBoundingClientRect();
+                  const img=svg.parentElement.querySelector('img'); const ir=img&&img.getBoundingClientRect();
+                  return {svgShown:shown, rect:{x:Math.round(r.x),y:Math.round(r.y),w:Math.round(r.width),h:Math.round(r.height)},
+                    img: ir&&{x:Math.round(ir.x),y:Math.round(ir.y),w:Math.round(ir.width),h:Math.round(ir.height)},
+                    onScreen: r.width>1 && r.height>1 && r.bottom>0 && r.top<innerHeight && r.right>0 && r.left<innerWidth}; });
+                console.log('[circle-render]', {viewPage:this.viewPage, spread:this.spreadPages, rectsFound:rects.length, detail:vis});
+              },50); });
               find.icon='target'; find.label=`Circled “${ev.target}”`; this.recordHistory(`circled “${ev.target}” on p.${ev.page}`); }
             else { find.icon='file-text'; find.label=`Showed “${ev.target}”`; this.recordHistory(`showed “${ev.target}” on p.${ev.page}`); }  // page found, not pinpointed
             find.detail=`p.${ev.page}${meta}`;
@@ -690,6 +727,91 @@ function repairGuy() {
       }
       return false;
     },
+
+    // --- voice mode: always-on listening, fully in-browser ------------
+    // Tap the mic to arm; Silero VAD (vendored, runs on onnxruntime-web's
+    // wasm) listens continuously and fires onSpeechEnd when an utterance
+    // finishes — that's the "send". The clip is transcribed by Moonshine
+    // (transformers.js) and dropped into send() exactly like typed text, so
+    // the find/nav pipeline downstream is untouched. Nothing leaves the
+    // browser. The whole stack is lazy-loaded on first tap, so it never
+    // affects initial page load or the type-only flow.
+    get listening(){ return this.voice==='on'; },
+
+    async toggleVoice(){
+      if(this.voice==='loading') return;
+      if(this.voice==='on'){ await this.voiceStop(); return; }
+      await this.voiceStart();
+    },
+
+    async voiceStart(){
+      this.voice='loading'; this.voiceErr='';
+      try{
+        if(!this.vad) await this.voiceInit();  // one-time: libs + models + mic
+        await this.vad.start();
+        this.acquireWakeLock();                // keep the screen awake while listening (mobile)
+        this.voice='on';
+      }catch(e){
+        console.error('voice start failed', e);
+        this.voiceErr=(e && e.message) || String(e); this.voice='error';
+      }
+    },
+
+    async voiceStop(){
+      try{ this.vad?.pause(); }catch(_){}      // keep the instance warm; re-arm is instant
+      this.releaseWakeLock();
+      this.voice='idle';
+    },
+
+    // one-time heavy setup, run on the first mic tap
+    async voiceInit(){
+      // 1) self-hosted onnxruntime-web (global `ort`) + Silero VAD (global `vad`),
+      //    loaded as injected <script>s so they stay out of initial page load.
+      //    Single-threaded → no SharedArrayBuffer, so no cross-origin isolation
+      //    is needed inside the HF Spaces iframe.
+      await this.loadScript('/vendor/onnx/ort.wasm.min.js');
+      window.ort.env.wasm.numThreads = 1;
+      window.ort.env.wasm.wasmPaths = '/vendor/onnx/';
+      await this.loadScript('/vendor/vad/bundle.min.js');
+
+      // 2) Moonshine ASR (transformers.js from CDN; the tiny model is fetched
+      //    from the HF hub once, then cached in the browser).
+      const { pipeline } = await import('https://cdn.jsdelivr.net/npm/@huggingface/transformers');
+      this.asr = await pipeline('automatic-speech-recognition', 'onnx-community/moonshine-tiny-ONNX');
+
+      // 3) the mic: Silero VAD segments speech; onSpeechEnd is our send trigger
+      this.vad = await window.vad.MicVAD.new({
+        baseAssetPath: '/vendor/vad/',
+        onnxWASMBasePath: '/vendor/onnx/',
+        model: 'v5',
+        onSpeechEnd: (audio)=> this.onUtterance(audio),
+      });
+    },
+
+    // a finished utterance (Float32Array @16kHz) → transcribe → normal send()
+    async onUtterance(audio){
+      if(this.loading) return;  // a turn is already running; drop this clip (v1)
+      let text='';
+      try{ const out = await this.asr(audio); text=(out?.text||'').trim(); }
+      catch(e){ console.error('transcribe failed', e); return; }
+      if(!text) return;
+      this.input = text;
+      this.send();              // routes locally ("next page") or runs a find turn
+    },
+
+    // inject a <script> once and resolve when it has loaded
+    loadScript(src){
+      return new Promise((resolve, reject)=>{
+        if(document.querySelector(`script[data-src="${src}"]`)) return resolve();
+        const s=document.createElement('script');
+        s.src=src; s.async=true; s.dataset.src=src;
+        s.onload=()=>resolve(); s.onerror=()=>reject(new Error('failed to load '+src));
+        document.head.appendChild(s);
+      });
+    },
+
+    async acquireWakeLock(){ try{ this.wakeLock = await navigator.wakeLock?.request('screen'); }catch(_){} },
+    releaseWakeLock(){ try{ this.wakeLock?.release(); }catch(_){} this.wakeLock=null; },
   }
 }
 </script>

frontend/vendor/onnx/ort-wasm-simd-threaded.mjs

@@ -0,0 +1,80 @@
+
+var ortWasmThreaded = (() => {
+  var _scriptName = import.meta.url;
+  
+  return (
+async function(moduleArg = {}) {
+  var moduleRtn;
+
+function aa(){g.buffer!=l.buffer&&m();return l}function n(){g.buffer!=l.buffer&&m();return ba}function r(){g.buffer!=l.buffer&&m();return ca}function u(){g.buffer!=l.buffer&&m();return da}function ea(){g.buffer!=l.buffer&&m();return fa}var w=Object.assign({},moduleArg),ha,x,ia=new Promise((a,b)=>{ha=a;x=b}),ja="object"==typeof window,A="function"==typeof importScripts,B="object"==typeof process&&"object"==typeof process.versions&&"string"==typeof process.versions.node,C=A&&"em-pthread"==self.name;
+if(B){const {createRequire:a}=await import("module");var require=a(import.meta.url),D=require("worker_threads");global.Worker=D.Worker;C=(A=!D.lb)&&"em-pthread"==D.workerData}"use strict";w.mountExternalData=(a,b)=>{(w.Ua||(w.Ua=new Map)).set(a,b)};w.unmountExternalData=()=>{delete w.Ua};
+var SharedArrayBuffer=globalThis.SharedArrayBuffer??(new WebAssembly.Memory({initial:0,maximum:0,shared:!0})).buffer.constructor,ka=Object.assign({},w),la="./this.program",E=(a,b)=>{throw b;},F="",ma,G,H;
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+var xc=[Ob,dc,qc,Wa,Xa,Ya,Za,$a,ab,bb,cb,db,eb,fb,gb,hb,sb,tb,Hb,Ib,Kb,Lb,Mb,Nb],Sa,Z=function(){function a(c,d){Z=c.exports;Z=Lc();ec.push(Z.Ea);mc=Z.Fa;Ha.unshift(Z.$);Ea=d;Ka();return Z}var b=va();O++;if(w.instantiateWasm)try{return w.instantiateWasm(b,a)}catch(c){I(`Module.instantiateWasm callback failed with error: ${c}`),x(c)}Na||=w.locateFile?Ma("ort-wasm-simd-threaded.wasm")?"ort-wasm-simd-threaded.wasm":w.locateFile?w.locateFile("ort-wasm-simd-threaded.wasm",F):F+"ort-wasm-simd-threaded.wasm":
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+w._OrtAddSessionConfigEntry=(a,b,c)=>(w._OrtAddSessionConfigEntry=Z.fa)(a,b,c);w._OrtReleaseSessionOptions=a=>(w._OrtReleaseSessionOptions=Z.ga)(a);w._OrtCreateSession=(a,b,c)=>(w._OrtCreateSession=Z.ha)(a,b,c);w._OrtReleaseSession=a=>(w._OrtReleaseSession=Z.ia)(a);w._OrtGetInputOutputCount=(a,b,c)=>(w._OrtGetInputOutputCount=Z.ja)(a,b,c);w._OrtGetInputName=(a,b)=>(w._OrtGetInputName=Z.ka)(a,b);w._OrtGetOutputName=(a,b)=>(w._OrtGetOutputName=Z.la)(a,b);w._OrtFree=a=>(w._OrtFree=Z.ma)(a);
+w._OrtCreateTensor=(a,b,c,d,f,h)=>(w._OrtCreateTensor=Z.na)(a,b,c,d,f,h);w._OrtGetTensorData=(a,b,c,d,f)=>(w._OrtGetTensorData=Z.oa)(a,b,c,d,f);w._OrtReleaseTensor=a=>(w._OrtReleaseTensor=Z.pa)(a);w._OrtCreateRunOptions=(a,b,c,d)=>(w._OrtCreateRunOptions=Z.qa)(a,b,c,d);w._OrtAddRunConfigEntry=(a,b,c)=>(w._OrtAddRunConfigEntry=Z.ra)(a,b,c);w._OrtReleaseRunOptions=a=>(w._OrtReleaseRunOptions=Z.sa)(a);w._OrtCreateBinding=a=>(w._OrtCreateBinding=Z.ta)(a);
+w._OrtBindInput=(a,b,c)=>(w._OrtBindInput=Z.ua)(a,b,c);w._OrtBindOutput=(a,b,c,d)=>(w._OrtBindOutput=Z.va)(a,b,c,d);w._OrtClearBoundOutputs=a=>(w._OrtClearBoundOutputs=Z.wa)(a);w._OrtReleaseBinding=a=>(w._OrtReleaseBinding=Z.xa)(a);w._OrtRunWithBinding=(a,b,c,d,f)=>(w._OrtRunWithBinding=Z.ya)(a,b,c,d,f);w._OrtRun=(a,b,c,d,f,h,k,q)=>(w._OrtRun=Z.za)(a,b,c,d,f,h,k,q);w._OrtEndProfiling=a=>(w._OrtEndProfiling=Z.Aa)(a);var K=()=>(K=Z.Ba)();w._malloc=a=>(w._malloc=Z.Ca)(a);w._free=a=>(w._free=Z.Da)(a);
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+function Lc(){var a=Z;a=Object.assign({},a);var b=d=>()=>d()>>>0,c=d=>f=>d(f)>>>0;a.Ba=b(a.Ba);a.Ca=c(a.Ca);a.emscripten_main_runtime_thread_id=b(a.emscripten_main_runtime_thread_id);a.Oa=c(a.Oa);a.Pa=b(a.Pa);return a}w.stackSave=()=>$b();w.stackRestore=a=>cc(a);w.stackAlloc=a=>ac(a);w.UTF8ToString=Q;w.stringToUTF8=W;w.lengthBytesUTF8=tc;var Mc;P=function Nc(){Mc||Oc();Mc||(P=Nc)};
+function Oc(){0<O||(C?(ha(w),C||jc(Ha),startWorker(w)):(jc(Ga),0<O||Mc||(Mc=!0,w.calledRun=!0,Fa||(C||jc(Ha),ha(w),C||jc(Ia)))))}Oc();moduleRtn=ia;
+
+
+  return moduleRtn;
+}
+);
+})();
+export default ortWasmThreaded;
+var isPthread = globalThis.self?.name === 'em-pthread';
+var isNode = typeof globalThis.process?.versions?.node == 'string';
+if (isNode) isPthread = (await import('worker_threads')).workerData === 'em-pthread';
+
+// When running as a pthread, construct a new instance on startup
+isPthread && ortWasmThreaded();

frontend/vendor/onnx/ort-wasm-simd-threaded.wasm

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+version https://git-lfs.github.com/spec/v1
+oid sha256:1bf0b9ed7ad025cf9ca88ce6da29e54df3f128a169f8241d71823e81f078d578
+size 11018731

frontend/vendor/onnx/ort.wasm.min.js

@@ -0,0 +1,8 @@
+/*!
+ * ONNX Runtime Web v1.19.2
+ * Copyright (c) Microsoft Corporation. All rights reserved.
+ * Licensed under the MIT License.
+ */
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frontend/vendor/vad/bundle.min.js

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f{constructor(e,t,r,o,n=!1,s=null,a=null,i=null,l=null,c=null,f=null,h="uninitialized",m=!1){this.options=e,this.frameProcessor=t,this.model=r,this.frameSamples=o,this.listening=n,this.errored=s,this._stream=a,this._audioContext=i,this._vadNode=l,this._mediaStreamAudioSourceNode=c,this._audioProcessorAdapterType=f,this.initializationState=h,this.ownsAudioContext=m,this.getAudioInstances=()=>{if(null===this._stream||null===this._audioContext||null==this._vadNode||null==this._mediaStreamAudioSourceNode)throw new Error("MicVAD has null stream, audio context, or processor adapter");return{stream:this._stream,audioContext:this._audioContext,vadNode:this._vadNode,mediaStreamAudioSourceNode:this._mediaStreamAudioSourceNode}},this.setErrored=e=>{this.initializationState="errored",this.errored=e},this.start=async()=>{switch(this.initializationState){case"uninitialized":u.log.debug("initializing micVAD"),this.initializationState="initializing",this.frameProcessor.resume();try{this._stream=await this.options.getStream()}catch(e){throw e instanceof Error?this.setErrored(e.message):this.setErrored(String(e)),e}if(this.options.audioContext?(console.log("using custom audio context"),this._audioContext=this.options.audioContext):(console.log("using default audio context"),this._audioContext=new AudioContext,this.ownsAudioContext=!0),!this._audioContext)throw this.setErrored("Audio context is null"),Error("Audio context is null");switch(this._audioProcessorAdapterType="auto"==this.options.processorType?"audioWorklet"in this._audioContext&&"function"==typeof AudioWorkletNode?"AudioWorklet":"ScriptProcessor":this.options.processorType,this._audioProcessorAdapterType){case"AudioWorklet":this._vadNode=await async function(e,t,r,o,n){await r.audioWorklet.addModule(e),t.processorOptions={...t.processorOptions??{},frameSamples:o};const s=new AudioWorkletNode(r,"vad-helper-worklet",t);return s.port.onmessage=async e=>{const t=e.data;if("object"==typeof t&&t&&"message"in t)switch(t.message){case d.Message.AudioFrame:{if(!("data"in t&&t.data instanceof ArrayBuffer))return void console.log("Audio frame message has no data");const e=new Float32Array(t.data);await n(e);break}}else console.error("Invalid message event",t)},s}(this.options.baseAssetPath+"vad.worklet.bundle.min.js",this.options.workletOptions,this._audioContext,this.frameSamples,this.processFrame);break;case"ScriptProcessor":this._vadNode=await async function(e,t,r){const o=new p.Resampler({nativeSampleRate:e.sampleRate,targetSampleRate:16e3,targetFrameSize:t});u.log.debug("using script processor");const n=e.createScriptProcessor(4096,1,1);let s=!1;return n.onaudioprocess=async e=>{if(!s){s=!0;try{const t=e.inputBuffer.getChannelData(0);e.outputBuffer.getChannelData(0).fill(0);const n=o.process(t);for(const e of n)await r(e)}catch(e){console.error("Error processing audio:",e)}finally{s=!1}}},n.connect(e.destination),n}(this._audioContext,this.frameSamples,this.processFrame);break;default:throw new Error(`Unsupported audio processor adapter type: ${this._audioProcessorAdapterType}`)}this._mediaStreamAudioSourceNode=new MediaStreamAudioSourceNode(this._audioContext,{mediaStream:this._stream}),this._mediaStreamAudioSourceNode.connect(this._vadNode),u.log.debug("started micVAD"),this.listening=!0,this.initializationState="initialized";break;case"initializing":u.log.warn("start called while initializing");break;case"initialized":{if(this.listening)return;this.listening=!0,this.frameProcessor.resume();const{stream:e,audioContext:t,vadNode:r}=this.getAudioInstances();this._stream=await this.options.resumeStream(e);const o=new MediaStreamAudioSourceNode(t,{mediaStream:this._stream});this._mediaStreamAudioSourceNode=o,o.connect(r);break}case"destroyed":u.log.warn("start called after destroyed");break;case"errored":u.log.error("start called after errored");break;default:u.log.warn("weird initialization state")}},this.pause=async()=>{if(!this.listening)return;this.listening=!1;const{stream:e,mediaStreamAudioSourceNode:t}=this.getAudioInstances();await this.options.pauseStream(e),t.disconnect(),this.frameProcessor.pause(this.handleFrameProcessorEvent)},this.destroy=async()=>{u.log.debug("destroy called"),this.initializationState="destroyed";const{vadNode:e}=this.getAudioInstances();e instanceof AudioWorkletNode&&e.port.postMessage(d.Message.SpeechStop),this.listening&&await this.pause(),await this.model.release(),this.ownsAudioContext&&await(this._audioContext?.close())},this.setOptions=e=>{this.frameProcessor.setOptions(e)},this.processFrame=async e=>{await this.frameProcessor.process(e,this.handleFrameProcessorEvent)},this.handleFrameProcessorEvent=e=>{switch(e.msg){case d.Message.FrameProcessed:this.options.onFrameProcessed(e.probs,e.frame);break;case d.Message.SpeechStart:this.options.onSpeechStart();break;case d.Message.SpeechRealStart:this.options.onSpeechRealStart();break;case d.Message.VADMisfire:this.options.onVADMisfire();break;case d.Message.SpeechEnd:this.options.onSpeechEnd(e.audio)}}}static async new(e={}){const r={...(0,t.getDefaultRealTimeVADOptions)(e.model??t.DEFAULT_MODEL),...e};(0,l.validateOptions)(r),t.ort.env.wasm.wasmPaths=r.onnxWASMBasePath,void 0!==r.ortConfig&&r.ortConfig(t.ort);const o="v5"===r.model?"silero_vad_v5.onnx":"silero_vad_legacy.onnx",n=r.baseAssetPath+o,s="v5"===r.model?c.SileroV5.new:c.SileroLegacy.new;let a;try{a=await s(t.ort,(()=>(0,i.defaultModelFetcher)(n)))}catch(e){throw console.error(`Encountered an error while loading model file ${n}`),e}const u="v5"===r.model?512:1536,d=u/16,p=new l.FrameProcessor(a.process,a.reset_state,{positiveSpeechThreshold:r.positiveSpeechThreshold,negativeSpeechThreshold:r.negativeSpeechThreshold,redemptionMs:r.redemptionMs,preSpeechPadMs:r.preSpeechPadMs,minSpeechMs:r.minSpeechMs,submitUserSpeechOnPause:r.submitUserSpeechOnPause},d),h=new f(r,p,a,u);if(r.startOnLoad)try{await h.start()}catch(e){throw console.error("Error starting micVad",e),e}return h}}t.MicVAD=f},825:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.Resampler=void 0;const o=r(710);t.Resampler=class{constructor(e){this.options=e,this.process=e=>{const t=[];for(const r of e)for(this.inputBuffer.push(r);this.hasEnoughDataForFrame();){const e=this.generateOutputFrame();t.push(e)}return t},e.nativeSampleRate<16e3&&o.log.error("nativeSampleRate is too low. Should have 16000 = targetSampleRate <= nativeSampleRate"),this.inputBuffer=[]}async*stream(e){for(const t of e)for(this.inputBuffer.push(t);this.hasEnoughDataForFrame();){const e=this.generateOutputFrame();yield e}}hasEnoughDataForFrame(){return this.inputBuffer.length*this.options.targetSampleRate/this.options.nativeSampleRate>=this.options.targetFrameSize}generateOutputFrame(){const e=new Float32Array(this.options.targetFrameSize);let t=0,r=0;for(;t<this.options.targetFrameSize;){let o=0,n=0;for(;r<Math.min(this.inputBuffer.length,(t+1)*this.options.nativeSampleRate/this.options.targetSampleRate);){const e=this.inputBuffer[r];void 0!==e&&(o+=e,n++),r++}e[t]=o/n,t++}return this.inputBuffer=this.inputBuffer.slice(r),e}}},787:(e,t)=>{"use strict";function r(e,t,r){for(let o=0;o<r.length;o++)e.setUint8(t+o,r.charCodeAt(o))}Object.defineProperty(t,"__esModule",{value:!0}),t.audioFileToArray=t.encodeWAV=t.arrayBufferToBase64=t.minFramesForTargetMS=void 0,t.minFramesForTargetMS=function(e,t,r=16e3){return Math.ceil(e*r/1e3/t)},t.arrayBufferToBase64=function(e){const t=new Uint8Array(e),r=t.byteLength,o=new Array(r);for(let e=0;e<r;e++){const r=t[e];if(void 0===r)break;o[e]=String.fromCharCode(r)}return btoa(o.join(""))},t.encodeWAV=function(e,t=3,o=16e3,n=1,s=32){const a=s/8,i=n*a,l=new ArrayBuffer(44+e.length*a),u=new DataView(l);return r(u,0,"RIFF"),u.setUint32(4,36+e.length*a,!0),r(u,8,"WAVE"),r(u,12,"fmt "),u.setUint32(16,16,!0),u.setUint16(20,t,!0),u.setUint16(22,n,!0),u.setUint32(24,o,!0),u.setUint32(28,o*i,!0),u.setUint16(32,i,!0),u.setUint16(34,s,!0),r(u,36,"data"),u.setUint32(40,e.length*a,!0),1===t?function(e,t,r){for(let o=0;o<r.length;o++,t+=2){const n=Math.max(-1,Math.min(1,r[o]));e.setInt16(t,n<0?32768*n:32767*n,!0)}}(u,44,e):function(e,t,r){for(let o=0;o<r.length;o++,t+=4)e.setFloat32(t,r[o],!0)}(u,44,e),l},t.audioFileToArray=async function(e){const t=new OfflineAudioContext(1,1,44100),r=new FileReader;let o=null;if(await new Promise((n=>{r.addEventListener("loadend",(()=>{const e=r.result;t.decodeAudioData(e,(e=>{o=e,t.startRendering().then((()=>{console.log("Rendering completed successfully"),n()})).catch((e=>{console.error("Rendering failed: ",e)}))}),(e=>{console.log("Error with decoding audio data: ",e)}))})),r.readAsArrayBuffer(e)})),null===o)throw Error("some shit");const n=o,s=new Float32Array(n.length);for(let e=0;e<n.length;e++)for(let t=0;t<n.numberOfChannels;t++){const r=n.getChannelData(t)[e],o=s[e];if(void 0===r||void 0===o)throw new Error("sample or out[i] is undefined");s[e]=o+r}return{audio:s,sampleRate:n.sampleRate}}},656:t=>{"use strict";t.exports=e}},r={};function o(e){var n=r[e];if(void 0!==n)return n.exports;var s=r[e]={exports:{}};return t[e].call(s.exports,s,s.exports,o),s.exports}o.o=(e,t)=>Object.prototype.hasOwnProperty.call(e,t);var n={};return(()=>{"use strict";var e=n;Object.defineProperty(e,"__esModule",{value:!0}),e.getDefaultRealTimeVADOptions=e.MicVAD=e.DEFAULT_MODEL=e.utils=e.NonRealTimeVAD=e.Message=e.FrameProcessor=e.defaultModelFetcher=e.baseAssetPath=void 0;var t=o(485);Object.defineProperty(e,"baseAssetPath",{enumerable:!0,get:function(){return t.baseAssetPath}});var r=o(973);Object.defineProperty(e,"defaultModelFetcher",{enumerable:!0,get:function(){return r.defaultModelFetcher}});var s=o(362);Object.defineProperty(e,"FrameProcessor",{enumerable:!0,get:function(){return s.FrameProcessor}});var a=o(954);Object.defineProperty(e,"Message",{enumerable:!0,get:function(){return a.Message}});var i=o(202);Object.defineProperty(e,"NonRealTimeVAD",{enumerable:!0,get:function(){return i.NonRealTimeVAD}});const l=o(787);e.utils={audioFileToArray:l.audioFileToArray,minFramesForTargetMS:l.minFramesForTargetMS,arrayBufferToBase64:l.arrayBufferToBase64,encodeWAV:l.encodeWAV};var u=o(746);Object.defineProperty(e,"DEFAULT_MODEL",{enumerable:!0,get:function(){return u.DEFAULT_MODEL}}),Object.defineProperty(e,"MicVAD",{enumerable:!0,get:function(){return u.MicVAD}}),Object.defineProperty(e,"getDefaultRealTimeVADOptions",{enumerable:!0,get:function(){return u.getDefaultRealTimeVADOptions}})})(),n})()));

frontend/vendor/vad/silero_vad_v5.onnx

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+oid sha256:2623a2953f6ff3d2c1e61740c6cdb7168133479b267dfef114a4a3cc5bdd788f
+size 2327524

frontend/vendor/vad/vad.worklet.bundle.min.js

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+(()=>{"use strict";var e={710:(e,t)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.log=void 0;const s=e=>t=>{console.log(`VAD | ${e} >`,t)};t.log={error:s("error"),debug:s("debug"),warn:s("warn")}},954:(e,t)=>{var s;Object.defineProperty(t,"__esModule",{value:!0}),t.Message=void 0,function(e){e.AudioFrame="AUDIO_FRAME",e.SpeechStart="SPEECH_START",e.VADMisfire="VAD_MISFIRE",e.SpeechEnd="SPEECH_END",e.SpeechStop="SPEECH_STOP",e.SpeechRealStart="SPEECH_REAL_START",e.FrameProcessed="FRAME_PROCESSED"}(s||(t.Message=s={}))},825:(e,t,s)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.Resampler=void 0;const r=s(710);t.Resampler=class{constructor(e){this.options=e,this.process=e=>{const t=[];for(const s of e)for(this.inputBuffer.push(s);this.hasEnoughDataForFrame();){const e=this.generateOutputFrame();t.push(e)}return t},e.nativeSampleRate<16e3&&r.log.error("nativeSampleRate is too low. Should have 16000 = targetSampleRate <= nativeSampleRate"),this.inputBuffer=[]}async*stream(e){for(const t of e)for(this.inputBuffer.push(t);this.hasEnoughDataForFrame();){const e=this.generateOutputFrame();yield e}}hasEnoughDataForFrame(){return this.inputBuffer.length*this.options.targetSampleRate/this.options.nativeSampleRate>=this.options.targetFrameSize}generateOutputFrame(){const e=new Float32Array(this.options.targetFrameSize);let t=0,s=0;for(;t<this.options.targetFrameSize;){let r=0,o=0;for(;s<Math.min(this.inputBuffer.length,(t+1)*this.options.nativeSampleRate/this.options.targetSampleRate);){const e=this.inputBuffer[s];void 0!==e&&(r+=e,o++),s++}e[t]=r/o,t++}return this.inputBuffer=this.inputBuffer.slice(s),e}}}},t={};function s(r){var o=t[r];if(void 0!==o)return o.exports;var a=t[r]={exports:{}};return e[r](a,a.exports,s),a.exports}(()=>{const e=s(710),t=s(954),r=s(825);class o extends AudioWorkletProcessor{constructor(s){super(),this._stopProcessing=!1,this.options=s.processorOptions,this.port.onmessage=s=>{s.data===t.Message.SpeechStop&&(e.log.debug("Worklet received speech stop message"),this._stopProcessing=!0)},this.resampler=new r.Resampler({nativeSampleRate:sampleRate,targetSampleRate:16e3,targetFrameSize:this.options.frameSamples})}process(e){if(this._stopProcessing)return!1;const s=e[0];if(void 0===s)return!0;const r=s[0];if(void 0===r)return!0;const o=this.resampler.process(r);for(const e of o)this.port.postMessage({message:t.Message.AudioFrame,data:e.buffer},[e.buffer]);return!0}}registerProcessor("vad-helper-worklet",o)})()})();