fix: carry source-backed bid validity into preparation drafts

src/services/bidSource.js

@@ -32,6 +32,7 @@ export function bidSourceSnapshot(tender, results, rows = sourceRows(tender, res
     announcement: tender?.aciklama || '',
     deadline: [tender?.tarih || '', tender?.saat || ''],
     documentVersion: results?.documentVersion ?? tender?.documentVersion ?? null,
+    procurementTerms: results?.procurementTerms || null,
     analyzedItems: results?.itemsAndSpecs || [],
     rows: rows.map(r => r.priceKey).sort(),
     documents: results?.documentChecklist || [],

src/services/bidTerms.js

@@ -0,0 +1,19 @@
+// Extract only explicitly labelled bid validity clauses; delivery/warranty days are unrelated.
+export function extractBidValidity(text) {
+  const source=String(text || '');
+  const pattern=/teklif(?:lerin|in)?\s+geçerlilik\s+süresi[^\n.\d]{0,100}(\d{1,4})(?:\s*\([^)]{0,80}\))?\s*(?:takvim\s*)?gün/giu;
+  const evidence=[];
+  for(const match of source.toLocaleLowerCase('tr-TR').matchAll(pattern)) {
+    const days=Number(match[1]);
+    if(days>0) evidence.push({days,quote:source.slice(match.index,match.index+match[0].length),start:match.index,end:match.index+match[0].length});
+  }
+  const values=[...new Set(evidence.map(e=>e.days))];
+  return {status:values.length>1?'conflict':values.length?'found':'not_found',days:values.length===1?values[0]:null,evidence};
+}
+
+export function bidValidityForForm(announcement, analyzed) {
+  const local=extractBidValidity(announcement);
+  const evidence=[...local.evidence,...(Array.isArray(analyzed?.evidence)?analyzed.evidence:[])];
+  const values=[...new Set(evidence.map(e=>e.days).filter(d=>Number.isInteger(d)&&d>0))];
+  return {status:values.length>1?'conflict':values.length?'found':'not_found',days:values.length===1?values[0]:null,evidence};
+}