feat: 刷新时禁止添加

app/components/ScanImportConfirmModal.jsx

@@ -8,7 +8,8 @@ export default function ScanImportConfirmModal({
   selectedScannedCodes,
   onClose,
   onToggle,
-  onConfirm
+  onConfirm,
+  refreshing
 }) {
   return (
     <motion.div
@@ -78,7 +79,7 @@ export default function ScanImportConfirmModal({
         )}
         <div style={{ display: 'flex', gap: 8, justifyContent: 'flex-end', marginTop: 12 }}>
           <button className="button secondary" onClick={onClose}>取消</button>
-          <button className="button" onClick={onConfirm} disabled={selectedScannedCodes.size === 0}>确认导入</button>
+          <button className="button" onClick={onConfirm} disabled={selectedScannedCodes.size === 0 || refreshing}>确认导入</button>
         </div>
       </motion.div>
     </motion.div>

app/page.jsx

@@ -3820,6 +3820,7 @@ export default function HomePage() {
             onClose={() => setScanConfirmModalOpen(false)}
             onToggle={toggleScannedCode}
             onConfirm={confirmScanImport}
+            refreshing={refreshing}
           />
         )}
       </AnimatePresence>