refactor(client): type comparePairAtom initializer so setters infer as writable

apps/client/src/features/page-history/atoms/history-atoms.ts

@@ -11,4 +11,6 @@ export const diffCountsAtom = atom<DiffCounts | null>(null);
 export type ComparePair = { newerId: string; olderId: string };
 export const compareModeAtom = atom<boolean>(false);
 export const compareSelectionAtom = atom<string[]>([]);
-export const comparePairAtom = atom<ComparePair | null>(null);
+export const comparePairAtom = atom<ComparePair | null>(
+  null as ComparePair | null,
+);

apps/client/src/features/page-history/components/history-list.tsx

@@ -38,7 +38,6 @@ function HistoryList({ pageId }: Props) {
   const setHistoryModalOpen = useSetAtom(historyAtoms);
   const [compareMode, setCompareMode] = useAtom(compareModeAtom);
   const [compareSelection, setCompareSelection] = useAtom(compareSelectionAtom);
-  // @ts-ignore
   const setComparePair = useSetAtom(comparePairAtom);
 
   const {
@@ -87,7 +86,6 @@ function HistoryList({ pageId }: Props) {
 
   const handleSelect = useCallback(
     (id: string, index: number) => {
-      // @ts-ignore
       setComparePair(null);
       setActiveHistoryId(id);
       setActiveHistoryPrevId(historyItems[index + 1]?.id ?? "");
@@ -108,7 +106,6 @@ function HistoryList({ pageId }: Props) {
 
   const handleStartCompare = useCallback(
     (id: string) => {
-      // @ts-ignore
       setComparePair(null);
       setCompareMode(true);
       setCompareSelection([id]);

apps/client/src/features/page-history/hooks/use-history-reset.ts

@@ -26,7 +26,6 @@ export function useHistoryReset(pageId: string) {
     const resetCompare = () => {
       setCompareMode(false);
       setCompareSelection([]);
-      // @ts-ignore
       setComparePair(null);
     };