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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Book → Training Data v3</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.11.174/pdf.min.js"></script>
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</head>
<body>
<div class="app">
<header><h1>Book → Training Data v3</h1><p>Multi-pair extraction · Quality gate · Dedup · Auto-download per file</p></header>
<div id="status-bar"><div class="dot" id="status-dot"></div><span id="status-text">Checking Ollama...</span></div>
<div class="settings">
<div class="setting-card"><label>Ollama Model</label><select id="model-select"><option value="">Loading...</option></select></div>
<div class="setting-card"><label>Chunk Size (chars)</label><input type="number" id="chunk-size" value="600" min="200" max="2000" step="100"></div>
<div class="setting-card wide"><label>🧹 Smart Content Filter</label>
<div class="filter-grid">
<label><input type="checkbox" id="f-dedication" checked> Dedications</label>
<label><input type="checkbox" id="f-copyright" checked> Copyright pages</label>
<label><input type="checkbox" id="f-toc" checked> Table of Contents</label>
<label><input type="checkbox" id="f-listfig" checked> List of Figures/Tables</label>
<label><input type="checkbox" id="f-preface" checked> Preface / About Author</label>
<label><input type="checkbox" id="f-references" checked> References / Bibliography</label>
<label><input type="checkbox" id="f-index" checked> Index pages</label>
<label><input type="checkbox" id="f-endnotes" checked> Endnotes / Footnotes</label>
<label><input type="checkbox" id="f-blanks" checked> Blank / near-empty</label>
<label><input type="checkbox" id="f-pagenum" checked> Page-number-heavy</label>
</div></div>
<div class="setting-card"><label>Pairs Per Chunk</label><select id="pairs-per-chunk"><option value="1">1 (fast)</option><option value="2" selected>2 (balanced)</option><option value="3">3 (thorough)</option></select></div>
<div class="setting-card"><label>Parallel Requests</label><select id="concurrency"><option value="1">1 (safe)</option><option value="2" selected>2 (faster)</option><option value="3">3 (GPU)</option><option value="4">4 (max)</option></select></div>
<div class="setting-card"><label>Figure Handling</label><select id="figure-mode"><option value="bind">Bind caption + context</option><option value="skip">Skip figure-only</option><option value="keep">Keep as-is</option></select></div>
<div class="setting-card"><label>PDF Equations</label><select id="equation-mode"><option value="render-ocr">Render → OCR</option><option value="describe">Ollama describe</option><option value="off" selected>Off</option></select></div>
<div class="setting-card"><label>Min Output Length</label><select id="min-output"><option value="30">30 chars (lenient)</option><option value="60" selected>60 chars (balanced)</option><option value="100">100 chars (strict)</option></select></div>
<div class="setting-card"><label>Auto-Download</label><select id="auto-download"><option value="both" selected>JSON + JSONL</option><option value="jsonl">JSONL only</option><option value="json">JSON only</option><option value="off">Off</option></select></div>
<div class="setting-card wide"><label>System Prompt</label>
<textarea id="system-prompt">You are a training data generator. Given text from a book, create {N} distinct instruction-output training pairs.
Rules:
- Each INSTRUCTION must be a different TYPE. Vary between: factual question, explanation request, definition, comparison, process/steps, application scenario, summary
- Each OUTPUT must be comprehensive (4+ sentences), accurate, and self-contained
- Do NOT repeat or rephrase the same question
- If text contains equations/formulas, preserve them accurately
- If text describes a process, create step-by-step instructions
Format EXACTLY (repeat for each pair):
INSTRUCTION: [question or task]
OUTPUT: [complete answer]</textarea></div>
</div>
<div id="drop-zone"><div class="icon">📚</div><h3>Drop books here (multiple files)</h3><p>PDF · EPUB · DOCX · TXT — auto-downloads when each finishes</p><input type="file" id="file-input" accept=".pdf,.epub,.docx,.txt,.text" multiple></div>
<div id="file-queue"></div>
<div id="filter-stats"></div>
<div class="btn-row">
<button class="btn btn-primary" id="btn-start" disabled>▶ Process All Files</button>
<button class="btn btn-stop" id="btn-stop" disabled style="display:none">■ Stop</button>
<button class="btn btn-secondary" id="btn-clear-queue" style="display:none">✕ Clear Queue</button>
</div>
<div id="progress-area"><div class="progress-header"><span id="progress-label">Processing...</span><span id="progress-pct">0%</span></div><div class="progress-bar"><div class="progress-fill" id="progress-fill"></div></div><div id="progress-log"></div></div>
<div id="results"><h2>Generated Pairs</h2><div id="results-count"></div><div id="results-list"></div></div>
<div id="setup-guide"><div class="setting-card wide" style="border-color:var(--warn)"><label style="color:var(--warn)">⚠ Setup Required</label><div style="font-size:.88rem;line-height:1.7;color:var(--text2)"><strong style="color:var(--text)">1:</strong> <a href="https://ollama.com/download" target="_blank" style="color:var(--accent)">Install Ollama</a><br><strong style="color:var(--text)">2:</strong> <code style="background:var(--surface2);padding:2px 6px;border-radius:4px;font-family:var(--mono)">ollama pull llama3.2:3b</code><br><strong style="color:var(--text)">3:</strong> Set CORS env var <code style="background:var(--surface2);padding:2px 6px;border-radius:4px">OLLAMA_ORIGINS=*</code> then restart<br><strong style="color:var(--text)">4:</strong> Refresh this page</div></div></div>
</div>
<script type="module">
// ============================================================================
// LIB INIT
// ============================================================================
let pdfjsLib = null;
try {
pdfjsLib = window['pdfjs-dist/build/pdf'] || window.pdfjsLib;
if (pdfjsLib) pdfjsLib.GlobalWorkerOptions.workerSrc = 'https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.11.174/pdf.worker.min.js';
} catch(e) { console.warn('PDF.js init failed', e); }
let tesseractWorker = null;
async function getTesseractWorker() {
if (tesseractWorker) return tesseractWorker;
log('Initializing Tesseract OCR...', 'info');
tesseractWorker = await Tesseract.createWorker('eng');
log('✓ Tesseract ready', 'ok');
return tesseractWorker;
}
// ============================================================================
// STATE
// ============================================================================
const OLLAMA = 'http://localhost:11434';
let running = false, abortCtrl = null, fileQueue = [];
// ============================================================================
// DOM
// ============================================================================
const $ = id => document.getElementById(id);
const statusDot=$('status-dot'),statusText=$('status-text'),modelSelect=$('model-select');
const dropZone=$('drop-zone'),fileInput=$('file-input'),fileQueueDiv=$('file-queue');
const btnStart=$('btn-start'),btnStop=$('btn-stop'),btnClear=$('btn-clear-queue');
const progressArea=$('progress-area'),progressFill=$('progress-fill');
const progressLabel=$('progress-label'),progressPct=$('progress-pct'),progressLog=$('progress-log');
const resultsDiv=$('results'),resultsList=$('results-list'),resultsCount=$('results-count');
const setupGuide=$('setup-guide'),filterStats=$('filter-stats');
// ============================================================================
// OLLAMA
// ============================================================================
async function checkOllama() {
statusDot.className='dot loading'; statusText.textContent='Connecting...';
try {
const r = await fetch(`${OLLAMA}/api/tags`,{signal:AbortSignal.timeout(3000)});
const data = await r.json();
const models = (data.models||[]).map(m=>m.name);
if(!models.length){setStatus('warn','No models');setupGuide.style.display='block';return;}
modelSelect.innerHTML=models.map(m=>`<option value="${m}" ${m.includes('llama3.2')||m.includes('qwen')?'selected':''}>${m}</option>`).join('');
setStatus('ok',`Connected · ${models.length} models`);
setupGuide.style.display='none';
} catch(e) {
setStatus('err','Cannot reach Ollama');setupGuide.style.display='block';
modelSelect.innerHTML='<option value="">Not connected</option>';
}
}
function setStatus(s,t){statusDot.className=`dot ${s==='err'?'':s==='warn'?'loading':'ok'}`;statusText.textContent=t;}
async function ollamaGenerate(prompt, model) {
const r = await fetch(`${OLLAMA}/api/generate`, {
method:'POST', headers:{'Content-Type':'application/json'},
body: JSON.stringify({ model, prompt, stream:false, options:{temperature:0.7,num_predict:800}, keep_alive:'30m' }),
signal: abortCtrl?.signal,
});
if(!r.ok) throw new Error(`Ollama ${r.status}`);
return (await r.json()).response || '';
}
// ============================================================================
// EQUATION HELPERS
// ============================================================================
const UNICODE_MATH={'²':'^2','³':'^3','¹':'^1','⁰':'^0','⁴':'^4','⁵':'^5','⁶':'^6','⁷':'^7','⁸':'^8','⁹':'^9',
'₀':'_0','₁':'_1','₂':'_2','₃':'_3','₄':'_4','₅':'_5','₆':'_6','₇':'_7','₈':'_8','₉':'_9',
'≤':'<=','≥':'>=','≠':'!=','≈':'~=','×':'*','÷':'/','±':'+/-','∞':'infinity',
'∑':'SUM','∏':'PRODUCT','∫':'INTEGRAL','√':'sqrt','∂':'d/d','∇':'nabla',
'π':'pi','α':'alpha','β':'beta','γ':'gamma','δ':'delta','θ':'theta','λ':'lambda',
'μ':'mu','σ':'sigma','φ':'phi','ω':'omega','Δ':'Delta','Σ':'Sigma','Ω':'Omega'};
function normalizeUnicodeMath(t){for(const[u,r]of Object.entries(UNICODE_MATH))t=t.replaceAll(u,r);return t;}
function textHasUnicodeMath(t){return Object.keys(UNICODE_MATH).some(u=>t.includes(u));}
const EQ_SIGNALS=[/[=∑∫∏√∂∇∞±×÷≈≠≤≥∈∉⊂⊃∪∩∀∃]/,/\b[a-z]\s*[=<>]\s*[a-z0-9]/i,
/\b(sin|cos|tan|log|ln|exp|lim|max|min|sum|prod)\s*[(\[]/i,/\^\{?[\d\w]+\}?/,/_\{?[\d\w]+\}?/,
/\\(frac|sqrt|int|sum|alpha|beta|gamma|delta|theta|sigma|pi|phi|omega)/i,/\bd[a-z]\s*\/\s*d[a-z]/i];
function textHasEquations(t){return EQ_SIGNALS.some(re=>re.test(t));}
async function ocrPageForEquations(page,pageText,n){
if(!textHasEquations(pageText))return null;
try{
const vp=page.getViewport({scale:2.0});const c=document.createElement('canvas');c.width=vp.width;c.height=vp.height;
await page.render({canvasContext:c.getContext('2d'),viewport:vp}).promise;
const w=await getTesseractWorker();const r=await w.recognize(c.toDataURL('image/png'));c.remove();
const t=r.data.text.trim();
return(EQ_SIGNALS.filter(re=>re.test(t)).length>EQ_SIGNALS.filter(re=>re.test(pageText)).length+1&&t.length>30)?t:null;
}catch(e){return null;}
}
async function ocrFullPage(page,n){
try{
const vp=page.getViewport({scale:2.0});const c=document.createElement('canvas');c.width=vp.width;c.height=vp.height;
await page.render({canvasContext:c.getContext('2d'),viewport:vp}).promise;
const w=await getTesseractWorker();const r=await w.recognize(c.toDataURL('image/png'));c.remove();
return r.data.text.trim().length>20?r.data.text.trim():null;
}catch(e){return null;}
}
function mergeTextWithOCR(pdfText,ocrText){
if(EQ_SIGNALS.filter(re=>re.test(ocrText)).length>EQ_SIGNALS.filter(re=>re.test(pdfText)).length+2)return ocrText;
const eqLines=ocrText.split('\n').filter(l=>EQ_SIGNALS.some(re=>re.test(l)));
const missing=eqLines.filter(l=>!pdfText.replace(/\s+/g,'').includes(l.replace(/\s+/g,'').substring(0,20)));
return missing.length>0?pdfText+'\n\n[Equations:]\n'+missing.join('\n'):pdfText;
}
async function describeEquationsViaOllama(text,model){
if(!textHasEquations(text))return text;
try{const r=await ollamaGenerate(`Rewrite with equations in readable notation (x^2,sqrt(),x_i). Only return cleaned text:\n\n${text}`,model);
return(r.length>text.length*0.5&&r.length<text.length*3)?r:text;}catch(e){return text;}
}
// ============================================================================
// SMART CONTENT FILTER
// ============================================================================
const FILTER_PATTERNS={
dedication:[/^dedicated\s+to/i,/^to\s+my\s+(wife|husband|family|parents|children)/i,/^in\s+memory\s+of/i,/^this\s+book\s+is\s+dedicated/i],
copyright:[/all\s+rights\s+reserved/i,/isbn[\s:\-]*[\dxX\-]{10,}/i,/library\s+of\s+congress/i,/no\s+part\s+of\s+this\s+(book|publication)/i,/cataloging[\-\s]in[\-\s]publication/i,/©\s*\d{4}/],
toc:[/^table\s+of\s+contents/i,/^contents$/im],
listfig:[/^list\s+of\s+(figures|tables|illustrations|abbreviations|acronyms|symbols)/i],
preface:[/^preface$/im,/^acknowledgment/im,/^about\s+the\s+author/im,/^foreword$/im],
references:[/^references$/im,/^bibliography$/im,/^works\s+cited$/im,/^further\s+reading$/im],
index:[/^(subject\s+)?index$/im,/^author\s+index$/im],
endnotes:[/^endnotes$/im,/^notes$/im,/^footnotes$/im],
};
function hasTocStructure(t){const l=t.trim().split('\n');return l.length>=4&&l.filter(x=>/[\.\s]{3,}\d+\s*$/.test(x.trim())).length/l.length>0.4;}
function hasRefStructure(t){const l=t.trim().split('\n').filter(x=>x.trim());return l.length>=3&&l.filter(x=>[/^\[\d+\]/,/^\d+\.\s+[A-Z]/,/^[A-Z][a-z]+,\s+[A-Z]/].some(r=>r.test(x.trim()))).length/l.length>0.5;}
function hasIndexStructure(t){const l=t.trim().split('\n').filter(x=>x.trim());return l.length>=6&&l.filter(x=>/^.{2,50},?\s+\d[\d,\s\-]*$/.test(x.trim())).length/l.length>0.4;}
function getFilters(){
return{dedication:$('f-dedication').checked,copyright:$('f-copyright').checked,toc:$('f-toc').checked,
listfig:$('f-listfig').checked,preface:$('f-preface').checked,references:$('f-references').checked,
index:$('f-index').checked,endnotes:$('f-endnotes').checked,blanks:$('f-blanks').checked,pagenum:$('f-pagenum').checked};
}
function filterChunk(text){
const f=getFilters();
if(f.blanks&&text.trim().split(/\s+/).length<5)return{keep:false,reason:'blank/tiny'};
if(f.pagenum){const d=(text.match(/\d/g)||[]).length,t=text.replace(/\s/g,'').length;if(t>10&&d/t>0.4)return{keep:false,reason:'number-heavy'};}
for(const[pk,fk]of Object.entries({dedication:'dedication',copyright:'copyright',toc:'toc',listfig:'listfig',preface:'preface',references:'references',index:'index',endnotes:'endnotes'})){
if(f[fk]&&FILTER_PATTERNS[pk]?.some(p=>p.test(text)))return{keep:false,reason:pk};
}
if(f.toc&&hasTocStructure(text))return{keep:false,reason:'toc-structure'};
if(f.references&&hasRefStructure(text))return{keep:false,reason:'ref-structure'};
if(f.index&&hasIndexStructure(text))return{keep:false,reason:'index-structure'};
return{keep:true,reason:''};
}
// ============================================================================
// SECTION DETECTION — adds context metadata
// ============================================================================
const HEADING_RE=/^(?:chapter|section|part|appendix)?\s*(\d+[\.\d]*)\s*[:\.\-–—]\s*(.+)/im;
const CAPS_HEADING=/^[A-Z][A-Z\s\-:]{5,60}$/m;
function detectSection(text){
const m=text.match(HEADING_RE);if(m)return{number:m[1],title:m[2].trim()};
const c=text.match(CAPS_HEADING);if(c&&c[0].trim().split(/\s+/).length<=8)return{number:'',title:c[0].trim()};
return null;
}
// ============================================================================
// FIGURE HANDLING
// ============================================================================
const FIGURE_RE=/(?:^|\n)\s*(fig(?:ure)?|table|diagram|chart|exhibit)[\s.]*(\d+[\d.]*)\s*[:.]\s*(.+)/i;
function processChunksForFigures(chunks){
const mode=$('figure-mode').value;if(mode==='keep')return chunks;
const out=[];
for(let i=0;i<chunks.length;i++){
const fig=chunks[i].match(FIGURE_RE);
if(!fig){out.push(chunks[i]);continue;}
if(mode==='skip'){if(chunks[i].replace(FIGURE_RE,'').trim().split(/\s+/).length<15)continue;out.push(chunks[i]);continue;}
let b='';if(i>0)b+=chunks[i-1].split(/\s+/).slice(-25).join(' ')+'\n\n';
b+=chunks[i];if(i<chunks.length-1)b+='\n\n'+chunks[i+1].split(/\s+/).slice(0,25).join(' ');
out.push(b);
}
return out;
}
// ============================================================================
// FILE PARSERS
// ============================================================================
async function parseFile(file){
const ext=file.name.split('.').pop().toLowerCase();
log(`Parsing ${file.name} (${(file.size/1024).toFixed(0)} KB)...`,'info');
switch(ext){
case 'txt':case 'text':return{text:await file.text()};
case 'pdf':return await parsePDFEnhanced(file);
case 'docx':return{text:await parseDOCX(file)};
case 'epub':return{text:await parseEPUB(file)};
default:throw new Error(`Unsupported: .${ext}`);
}
}
async function parsePDFEnhanced(file){
if(!pdfjsLib)pdfjsLib=window['pdfjs-dist/build/pdf']||window.pdfjsLib;
if(!pdfjsLib)throw new Error('PDF.js not loaded.');
if(!pdfjsLib.GlobalWorkerOptions.workerSrc)
pdfjsLib.GlobalWorkerOptions.workerSrc='https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.11.174/pdf.worker.min.js';
const buf=await file.arrayBuffer();
const pdf=await pdfjsLib.getDocument({data:buf}).promise;
const eqMode=$('equation-mode').value;
let fullText='',ocrPages=0,emptyPages=0,totalChars=0;
// Quick scan for image-heavy detection
let sampleLen=0;const sampleN=Math.min(10,pdf.numPages);
for(let i=1;i<=sampleN;i++){const p=await pdf.getPage(i);const c=await p.getTextContent();sampleLen+=c.items.map(x=>x.str).join(' ').trim().length;}
const avg=sampleLen/sampleN;
if(avg<100)log(` ⚠ Image-heavy PDF (avg ${Math.round(avg)} chars/page) — OCR fallback`,'eq');
for(let i=1;i<=pdf.numPages;i++){
const page=await pdf.getPage(i);const content=await page.getTextContent();
let pageText=content.items.map(x=>x.str).join(' ').trim();
if(pageText.length<50){
try{const ocr=await ocrFullPage(page,i);if(ocr&&ocr.length>pageText.length+20){pageText=ocr;ocrPages++;}
else if(pageText.length<10)emptyPages++;}catch(e){if(pageText.length<10)emptyPages++;}
}else{
if(textHasUnicodeMath(pageText))pageText=normalizeUnicodeMath(pageText);
if(eqMode==='render-ocr'&&textHasEquations(pageText)){const ocr=await ocrPageForEquations(page,pageText,i);if(ocr)pageText=mergeTextWithOCR(pageText,ocr);}
}
totalChars+=pageText.length;
if(pageText.trim().length>10)fullText+=pageText+'\n\n';
if(i%10===0)log(` PDF page ${i}/${pdf.numPages}`,'info');
}
log(` ✓ ${pdf.numPages} pages (${Math.round(totalChars/1024)} KB text)`,'ok');
if(ocrPages>0)log(` 🔍 ${ocrPages} pages OCR-recovered`,'eq');
if(emptyPages>0)log(` 📊 ${emptyPages} empty pages`,'info');
return{text:fullText};
}
async function parseDOCX(file){const r=await mammoth.extractRawText({arrayBuffer:await file.arrayBuffer()});log(' ✓ DOCX','ok');return r.value;}
async function parseEPUB(file){
const zip=await JSZip.loadAsync(await file.arrayBuffer());let text='',count=0;
const files=[];zip.forEach((p,e)=>{if(!e.dir&&/\.(x?html?|htm)$/i.test(p))files.push(p);});files.sort();
for(const p of files){try{const doc=new DOMParser().parseFromString(await zip.file(p).async('string'),'text/html');
const t=doc.body?.textContent?.trim()||'';if(t.length>20){text+=t+'\n\n';count++;}}catch(e){}}
log(` ✓ EPUB: ${count} chapters`,'ok');return text;
}
// ============================================================================
// TEXT CHUNKING
// ============================================================================
function chunkText(text,maxLen){
text=text.replace(/\r\n/g,'\n').replace(/\n{3,}/g,'\n\n').trim();
const paras=text.split(/\n\n+/);const chunks=[];let cur='';
for(const p of paras){
if(cur.length+p.length>maxLen&&cur.length>30){chunks.push(cur.trim());cur=p;}
else cur+=(cur?'\n\n':'')+p;
}
if(cur.trim().length>20)chunks.push(cur.trim());
return chunks.filter(c=>c.length>30);
}
// ============================================================================
// MULTI-PAIR PARSING — extracts 1-3 pairs from one response
// ============================================================================
function parseMultiPairResponse(response){
const pairs=[];
const parts=response.split(/INSTRUCTION:\s*/i).filter(p=>p.trim());
for(const part of parts){
if(!part.includes('OUTPUT:'))continue;
const[instPart,...outParts]=part.split(/OUTPUT:\s*/i);
const instruction=instPart.replace(/^["'\s]+|["'\s]+$/g,'').trim();
const output=outParts.join('OUTPUT:').replace(/^["'\s]+|["'\s]+$/g,'').trim();
if(instruction.length>5&&output.length>5)pairs.push({instruction,output});
}
return pairs;
}
// ============================================================================
// QUALITY GATE — reject weak pairs
// ============================================================================
function qualityCheck(pair){
const minOut=parseInt($('min-output').value)||60;
if(pair.output.length<minOut)return{pass:false,reason:'output too short'};
if(pair.instruction.length<10)return{pass:false,reason:'instruction too short'};
// Reject if output mostly repeats instruction
const iw=new Set(pair.instruction.toLowerCase().split(/\s+/));
const ow=pair.output.toLowerCase().split(/\s+/);
if(ow.filter(w=>iw.has(w)).length/ow.length>0.8)return{pass:false,reason:'repeats instruction'};
if(pair.output.split(/\s+/).length<3)return{pass:false,reason:'too brief'};
return{pass:true,reason:''};
}
// ============================================================================
// DEDUPLICATION — catch near-duplicate instructions
// ============================================================================
function isDuplicate(newPair,existing){
const ni=newPair.instruction.toLowerCase().replace(/[^a-z0-9\s]/g,'');
for(const p of existing){
const ei=p.instruction.toLowerCase().replace(/[^a-z0-9\s]/g,'');
const nw=new Set(ni.split(/\s+/)),ew=new Set(ei.split(/\s+/));
const inter=[...nw].filter(w=>ew.has(w)).length;
const union=new Set([...nw,...ew]).size;
if(union>0&&inter/union>0.75)return true;
}
return false;
}
// ============================================================================
// DOWNLOAD
// ============================================================================
function downloadFile(content,name,type){
const blob=new Blob([content],{type});const url=URL.createObjectURL(blob);
const a=document.createElement('a');a.href=url;a.download=name;
document.body.appendChild(a);a.click();document.body.removeChild(a);URL.revokeObjectURL(url);
}
function autoDownloadPairs(pairs,baseName){
const mode=$('auto-download').value;if(mode==='off')return;
const safe=baseName.replace(/\.[^.]+$/,'');
if(mode==='jsonl'||mode==='both')downloadFile(pairs.map(p=>JSON.stringify(p)).join('\n'),`${safe}_training_data.jsonl`,'application/jsonl');
if(mode==='json'||mode==='both')downloadFile(JSON.stringify(pairs,null,2),`${safe}_training_data.json`,'application/json');
}
// ============================================================================
// FILE QUEUE
// ============================================================================
function addToQueue(files){
for(const file of files){if(fileQueue.some(q=>q.file.name===file.name&&q.file.size===file.size))continue;
fileQueue.push({file,status:'pending',pairs:[],el:null});}
renderQueue();updateStartButton();
}
function removeFromQueue(idx){if(fileQueue[idx]?.status==='active')return;fileQueue.splice(idx,1);renderQueue();updateStartButton();}
function renderQueue(){
fileQueueDiv.innerHTML='';if(!fileQueue.length){btnClear.style.display='none';return;}
btnClear.style.display='';
fileQueue.forEach((item,idx)=>{
const el=document.createElement('div');el.className=`queue-item ${item.status}`;
const icon={pending:'⏳',active:'⚡',done:'✅',error:'❌'}[item.status];
const info=item.status==='done'?`${item.pairs.length} pairs`:item.status==='error'?'failed':`${(item.file.size/1024).toFixed(0)} KB`;
el.innerHTML=`<span class="q-status">${icon}</span><span class="q-name">${item.file.name}</span><span class="q-info">${info}</span>`;
if(item.status==='done'&&item.pairs.length>0){
const dl=document.createElement('button');dl.className='q-download';dl.textContent='⬇';
dl.onclick=(e)=>{e.stopPropagation();autoDownloadPairs(item.pairs,item.file.name);};el.appendChild(dl);
}
if(item.status!=='active'){
const rm=document.createElement('button');rm.className='q-remove';rm.textContent='×';
rm.onclick=(e)=>{e.stopPropagation();removeFromQueue(idx);};el.appendChild(rm);
}
item.el=el;fileQueueDiv.appendChild(el);
});
}
function updateStartButton(){
const pending=fileQueue.filter(q=>q.status==='pending').length;
btnStart.disabled=!pending||running;
btnStart.textContent=pending>1?`▶ Process ${pending} Files`:'▶ Process File';
}
// ============================================================================
// MAIN QUEUE PROCESSOR
// ============================================================================
async function processQueue(){
running=true;abortCtrl=new AbortController();
btnStart.disabled=true;btnStop.disabled=false;btnStop.style.display='';
progressArea.style.display='block';
const model=modelSelect.value;
const chunkSize=parseInt($('chunk-size').value)||600;
const rawPrompt=$('system-prompt').value;
const concurrency=parseInt($('concurrency').value)||2;
const pairsN=parseInt($('pairs-per-chunk').value)||2;
const eqMode=$('equation-mode').value;
const systemPrompt=rawPrompt.replace('{N}',pairsN);
// Warm model
try{log(`Warming up: ${model}...`,'info');await ollamaGenerate('Hi',model);log('✓ Model in VRAM','ok');}
catch(e){log(`⚠ Warm-up: ${e.message}`,'err');}
for(let fi=0;fi<fileQueue.length;fi++){
if(!running)break;
const item=fileQueue[fi];if(item.status!=='pending')continue;
item.status='active';item.pairs=[];renderQueue();
resultsList.innerHTML='';resultsDiv.style.display='none';
log(`\n━━━ FILE ${fi+1}/${fileQueue.length}: ${item.file.name} ━━━`,'file-header');
try{
const parsed=await parseFile(item.file);
const rawText=parsed.text;
let chunks=chunkText(rawText,chunkSize);
const totalBefore=chunks.length;
const rawWords=rawText.split(/\s+/).filter(w=>w.length>0).length;
log(`📊 ${rawText.length} chars, ~${rawWords} words → ${totalBefore} chunks`,'info');
if(totalBefore===0&&rawText.length>0){
log('⚠ No chunks — emergency re-chunk','err');
chunks=chunkText(rawText,100);
if(chunks.length>0)log(` → ${chunks.length} chunks recovered`,'info');
}
// Filter
const stats={skipped:0,reasons:{}};const clean=[];
for(const c of chunks){const r=filterChunk(c);if(r.keep)clean.push(c);else{stats.skipped++;stats.reasons[r.reason]=(stats.reasons[r.reason]||0)+1;}}
chunks=clean;
chunks=processChunksForFigures(chunks);
if(stats.skipped>0){const reasons=Object.entries(stats.reasons).map(([r,c])=>`${r}:${c}`).join(' · ');
log(`🧹 Filtered ${stats.skipped}/${totalBefore} → ${reasons}`,'filter');}
log(`📦 ${chunks.length} chunks × ${pairsN} pairs/chunk → Ollama`,'filter');
// Equation enhancement
if(eqMode==='describe'){let eq=0;for(let i=0;i<chunks.length;i++){if(!running)break;
if(textHasEquations(chunks[i])){chunks[i]=await describeEquationsViaOllama(chunks[i],model);eq++;}}
if(eq>0)log(`🔢 ${eq} chunks enhanced`,'eq');}
// Generate pairs
const t0=Date.now();let completed=0,rejected=0,dupes=0;
for(let i=0;i<chunks.length;i+=concurrency){
if(!running)break;
const batch=chunks.slice(i,Math.min(i+concurrency,chunks.length));
const promises=batch.map(async chunk=>{
try{
const section=detectSection(chunk);
const hint=section?`\n[Section: ${section.number} ${section.title}]\n`:'';
const prompt=`${systemPrompt}${hint}\nText:\n${chunk}`;
const response=await ollamaGenerate(prompt,model);
const newPairs=parseMultiPairResponse(response);
for(const pair of newPairs){
const qc=qualityCheck(pair);if(!qc.pass){rejected++;continue;}
if(isDuplicate(pair,item.pairs)){dupes++;continue;}
item.pairs.push(pair);
addPairToUI(pair,item.pairs.length,item.file.name);
log(`✓ #${item.pairs.length}: "${pair.instruction.substring(0,55)}..."`,'ok');
}
}catch(e){if(e.name==='AbortError')throw e;log(`✗ ${e.message}`,'err');}
});
try{await Promise.all(promises);}catch(e){if(e.name==='AbortError')break;}
completed+=batch.length;
const pct=(completed/chunks.length*100).toFixed(0);
progressFill.style.width=pct+'%';progressPct.textContent=pct+'%';
const elapsed=(Date.now()-t0)/1000;const rate=completed/elapsed;
progressLabel.textContent=`File ${fi+1}/${fileQueue.length} · ${completed}/${chunks.length} · ~${((chunks.length-completed)/rate/60).toFixed(1)}m`;
}
const totalTime=((Date.now()-t0)/1000/60).toFixed(1);
log(`✨ ${item.pairs.length} pairs in ${totalTime}m (rejected:${rejected} deduped:${dupes})`,'ok');
item.status='done';
if(item.pairs.length>0){autoDownloadPairs(item.pairs,item.file.name);log('⬇ Auto-downloaded','ok');}
}catch(e){
if(e.name==='AbortError'){item.status='error';log('Stopped','err');break;}
item.status='error';log(`✗ ${e.message}`,'err');
}
renderQueue();
}
running=false;btnStop.disabled=true;btnStop.style.display='none';updateStartButton();
progressFill.style.width='100%';progressPct.textContent='✓';
const totalPairs=fileQueue.reduce((s,q)=>s+q.pairs.length,0);
const done=fileQueue.filter(q=>q.status==='done').length;
progressLabel.textContent=`Done! ${done} files, ${totalPairs} pairs`;
log(`\n🎉 ${done} files, ${totalPairs} pairs`,'ok');
}
// ============================================================================
// UI HELPERS
// ============================================================================
function log(msg,cls=''){const l=document.createElement('div');l.className=cls;l.textContent=msg;progressLog.appendChild(l);progressLog.scrollTop=progressLog.scrollHeight;}
function addPairToUI(pair,idx,fn){
if(idx>15){if(idx===16){const n=document.createElement('div');n.style.cssText='text-align:center;color:var(--text2);padding:.5rem;font-size:.8rem';n.textContent='... more in downloads ...';resultsList.appendChild(n);}return;}
const el=document.createElement('div');el.className='pair-card';
el.innerHTML=`<div class="pair-label">Instruction #${idx}</div><div class="pair-text instruction">${escHtml(pair.instruction)}</div><div class="pair-divider"></div><div class="pair-label">Output</div><div class="pair-text output">${escHtml(pair.output.substring(0,400))}${pair.output.length>400?'...':''}</div>`;
resultsList.appendChild(el);resultsDiv.style.display='block';resultsCount.textContent=`${idx} pairs (${fn})`;
}
function escHtml(s){return s.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');}
// ============================================================================
// EVENTS
// ============================================================================
dropZone.addEventListener('click',()=>fileInput.click());
fileInput.addEventListener('change',e=>{if(e.target.files.length){addToQueue(Array.from(e.target.files));fileInput.value='';}});
dropZone.addEventListener('dragover',e=>{e.preventDefault();dropZone.classList.add('dragover');});
dropZone.addEventListener('dragleave',()=>dropZone.classList.remove('dragover'));
dropZone.addEventListener('drop',e=>{e.preventDefault();dropZone.classList.remove('dragover');if(e.dataTransfer.files.length)addToQueue(Array.from(e.dataTransfer.files));});
btnStart.addEventListener('click',processQueue);
btnStop.addEventListener('click',()=>{running=false;abortCtrl?.abort();});
btnClear.addEventListener('click',()=>{if(running)return;fileQueue=[];renderQueue();updateStartButton();resultsDiv.style.display='none';progressArea.style.display='none';filterStats.style.display='none';});
// ============================================================================
// INIT
// ============================================================================
checkOllama();
setInterval(()=>{if(!statusDot.classList.contains('ok')&&!running)checkOllama();},10000);
</script>
</body>
</html>