feat(ui): implement global ConfirmationModal to replace native window.confirm

src/components/common/ConfirmationModal.tsx

@@ -0,0 +1,58 @@
+import { useTranslation } from 'react-i18next';
+import { Modal } from '@/components/ui/Modal';
+import { Button } from '@/components/ui/Button';
+import { useNotificationStore } from '@/stores';
+
+export function ConfirmationModal() {
+  const { t } = useTranslation();
+  const confirmation = useNotificationStore((state) => state.confirmation);
+  const hideConfirmation = useNotificationStore((state) => state.hideConfirmation);
+  const setConfirmationLoading = useNotificationStore((state) => state.setConfirmationLoading);
+
+  const { isOpen, isLoading, options } = confirmation;
+
+  if (!isOpen || !options) {
+    return null;
+  }
+
+  const { title, message, onConfirm, onCancel, confirmText, cancelText, variant = 'primary' } = options;
+
+  const handleConfirm = async () => {
+    try {
+      setConfirmationLoading(true);
+      await onConfirm();
+      hideConfirmation();
+    } catch (error) {
+      console.error('Confirmation action failed:', error);
+      // Optional: show error notification here if needed, 
+      // but usually the calling component handles specific errors.
+    } finally {
+      setConfirmationLoading(false);
+    }
+  };
+
+  const handleCancel = () => {
+    if (onCancel) {
+      onCancel();
+    }
+    hideConfirmation();
+  };
+
+  return (
+    <Modal open={isOpen} onClose={handleCancel} title={title}>
+      <p style={{ margin: '1rem 0' }}>{message}</p>
+      <div style={{ display: 'flex', justifyContent: 'flex-end', gap: '1rem', marginTop: '2rem' }}>
+        <Button variant="ghost" onClick={handleCancel} disabled={isLoading}>
+          {cancelText || t('common.cancel')}
+        </Button>
+        <Button 
+          variant={variant} 
+          onClick={handleConfirm} 
+          loading={isLoading}
+        >
+          {confirmText || t('common.confirm')}
+        </Button>
+      </div>
+    </Modal>
+  );
+}