chore(orbit): guard bulk queue operations

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/components/GlobalConfirmModal.tsx

@@ -0,0 +1,25 @@
+import { useConfirmModalStore } from '../store/confirmModalStore';
+import ConfirmModal from './ConfirmModal';
+
+/**
+ * App-level singleton renderer for the global confirm modal. Mount once
+ * in App.tsx; any code path can then call
+ * `useConfirmModalStore.getState().request(...)` and await the user's decision.
+ */
+export default function GlobalConfirmModal() {
+  const { isOpen, title, message, confirmLabel, cancelLabel, danger, confirm, cancel } =
+    useConfirmModalStore();
+
+  return (
+    <ConfirmModal
+      open={isOpen}
+      title={title}
+      message={message}
+      confirmLabel={confirmLabel}
+      cancelLabel={cancelLabel}
+      danger={danger}
+      onConfirm={confirm}
+      onCancel={cancelLabel ? cancel : undefined}
+    />
+  );
+}