Add used-product flag for store listings.

Merchants can mark items as used on create/edit, see a used badge on cards, and filter the store list for used products.

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

apps/business/src/components/EditStoreItemsModal.tsx

@@ -72,6 +72,7 @@ export function EditStoreItemsModal({
   const [variations, setVariations] = useState<ProductVariationSelection[]>([])
   const [rows, setRows] = useState<StoreItemDraftRow[]>([])
   const [removedIds, setRemovedIds] = useState<string[]>([])
+  const [isUsed, setIsUsed] = useState(false)
   const [isLoading, setIsLoading] = useState(false)
   const [isSubmitting, setIsSubmitting] = useState(false)
   const [error, setError] = useState('')
@@ -123,6 +124,7 @@ export function EditStoreItemsModal({
       setClosing(false)
       setRemovedIds([])
       setRows(itemsToRows(items))
+      setIsUsed(items.some((item) => item.isUsed))
       setError('')
       const controller = new AbortController()
       void loadVariations(productId, controller.signal)
@@ -223,6 +225,7 @@ export function EditStoreItemsModal({
     try {
       const data = await syncProductStoreItems({
         productId,
+        isUsed,
         items: rows.map((row) => ({
           id: row.storeItemId,
           selections: formVariations.flatMap((variation) => {
@@ -294,6 +297,17 @@ export function EditStoreItemsModal({
             <p className={modalStyles.emptyText}>{t('storeItems.create.loadingVariations')}</p>
           ) : (
             <>
+              <label className={rowStyles.usedCheckLabel}>
+                <input
+                  type="checkbox"
+                  className={rowStyles.usedCheck}
+                  checked={isUsed}
+                  onChange={(e) => setIsUsed(e.target.checked)}
+                  disabled={isSubmitting}
+                />
+                <span>{t('storeItems.create.isUsed')}</span>
+              </label>
+
               <div
                 className={rowStyles.itemRowHeader}
                 style={{ gridTemplateColumns: gridTemplate }}