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/customer/src/services/userProductsService.ts

@@ -4,7 +4,12 @@ import type { UserProductListItem } from '../types/userProduct'
 
 export type UserProductCondition = 'new' | 'stock' | 'needs_repair' | 'scrap'
 export type UserProductPriceCurrency = 'IRT' | 'USD' | 'EUR' | 'AED'
-export type TechnicalFieldType = 'text' | 'textarea' | 'select' | 'multi_select'
+export type TechnicalFieldType =
+  | 'text'
+  | 'textarea'
+  | 'select'
+  | 'multi_select'
+  | 'multi_value'
 
 export interface UserProductCategoryOption {
   id: string
@@ -97,6 +102,44 @@ function businessPath(suffix = '') {
   return `/businesses/${businessId}/my-user-products${suffix}`
 }
 
+/** Decode free-text list values stored as JSON in text_value. */
+export function decodeMultiValueText(raw: string | null | undefined): string[] {
+  if (raw == null) return []
+  const trimmed = raw.trim()
+  if (!trimmed) return []
+
+  if (trimmed.startsWith('[')) {
+    try {
+      const parsed = JSON.parse(trimmed) as unknown
+      if (Array.isArray(parsed)) {
+        return parsed.map((item) => String(item).trim()).filter(Boolean)
+      }
+    } catch {
+      // fall through
+    }
+  }
+
+  return [trimmed]
+}
+
+export function hydrateTechnicalFormValues(
+  fields: TechnicalFormField[],
+  values: TechnicalFormValues,
+): TechnicalFormValues {
+  const next: TechnicalFormValues = { ...values }
+  for (const field of fields) {
+    if (field.type !== 'multi_value') continue
+    const current = next[field.id]
+    if (Array.isArray(current)) continue
+    if (typeof current === 'string') {
+      next[field.id] = decodeMultiValueText(current)
+    } else {
+      next[field.id] = []
+    }
+  }
+  return next
+}
+
 export function buildTechnicalValuesPayload(
   fields: TechnicalFormField[],
   values: TechnicalFormValues,
@@ -113,6 +156,15 @@ export function buildTechnicalValuesPayload(
       continue
     }
 
+    if (field.type === 'multi_value') {
+      const items = Array.isArray(value)
+        ? value.map((item) => String(item).trim()).filter(Boolean)
+        : []
+      if (!items.length) continue
+      payload.push({ fieldId: field.id, textValue: JSON.stringify(items) })
+      continue
+    }
+
     if (field.type === 'select') {
       const optionId = typeof value === 'string' ? value.trim() : ''
       if (!optionId) continue