Add multi_value technical inputs and FA AI prompts.

Support duplicatable list fields in form builder and value UIs, and guide fill prompts to put leftover specs in سایر ویژگی‌ها.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/business/src/components/ProductDetailsTabs.tsx

@@ -34,6 +34,12 @@ function formatTechnicalValue(item: ProductTechnicalValue): string {
     const labels = item.optionLabels ?? (Array.isArray(item.value) ? item.value : [])
     return labels.length ? labels.join(', ') : '—'
   }
+  if (item.type === 'multi_value') {
+    const items = Array.isArray(item.value)
+      ? item.value.map((entry) => String(entry).trim()).filter(Boolean)
+      : []
+    return items.length ? items.join('، ') : '—'
+  }
   if (item.type === 'select') {
     return item.optionLabel ?? (item.value ? String(item.value) : '—')
   }