/** Only extraction provenance crosses the AI boundary, never a client approval flag. */
export function extractionReview(input) {
  const sources=(Array.isArray(input) ? input : input ? [input] : []).map(source=>({
    fileName:typeof source.fileName === 'string' ? source.fileName.slice(0,200) : '',
    ocr:source.ocr === true,
    pageCount:Number.isInteger(source.pageCount) && source.pageCount>0 ? source.pageCount : null,
    usedPages:Number.isInteger(source.usedPages) && source.usedPages>=0 ? source.usedPages : null,
    complete:source.complete !== false,
  }));
  const issues=[];
  for(const source of sources) {
    const name=source.fileName || 'Belge';
    if(source.ocr) issues.push(`${name}: OCR metni resmi belgeyle karşılaştırılmalı; karakter ve miktar hataları olabilir.`);
    if(!source.complete || (source.pageCount != null && source.usedPages != null && source.usedPages<source.pageCount))
      issues.push(`${name}: belgenin bütün sayfaları okunmadı.`);
  }
  return {sources,issues};
}