feat: browse creator-filtered results without a query

Selecting a creator with an empty query now lists their pages (or
attachments in attachment mode) newest-first, with the same space and
page permission filtering as typed search.

apps/client/src/features/search/components/search-spotlight.tsx

@@ -106,7 +106,8 @@ export function SearchSpotlight({ spaceId }: SearchSpotlightProps) {
     }
   }, [aiSearchError, t]);
 
-  const isLabelBrowse = (filters.labelIds?.length ?? 0) > 0;
+  const isFilterBrowse =
+    (filters.labelIds?.length ?? 0) > 0 || !!filters.creatorId;
   // while the debounce is pending the empty list is not a settled "no results"
   const isQuerySettled = query === debouncedSearchQuery;
 
@@ -231,11 +232,11 @@ export function SearchSpotlight({ spaceId }: SearchSpotlightProps) {
             </>
           ) : (
             <>
-              {query.length === 0 && !isLabelBrowse && resultItems.length === 0 && (
+              {query.length === 0 && !isFilterBrowse && resultItems.length === 0 && (
                 <Spotlight.Empty>{t("Start typing to search...")}</Spotlight.Empty>
               )}
 
-              {(query.length > 0 || isLabelBrowse) &&
+              {(query.length > 0 || isFilterBrowse) &&
                 !isFetching &&
                 isQuerySettled &&
                 resultItems.length === 0 && (
@@ -244,7 +245,7 @@ export function SearchSpotlight({ spaceId }: SearchSpotlightProps) {
 
               {resultItems.length > 0 && <>{resultItems}</>}
 
-              {(query.length > 0 || isLabelBrowse) && isFetching && (
+              {(query.length > 0 || isFilterBrowse) && isFetching && (
                 <Spotlight.Empty>
                   <Text size="sm" style={{ marginTop: 10 }}>
                     {t("Searching...")}

apps/client/src/features/search/hooks/use-unified-search.ts

@@ -39,11 +39,16 @@ export function useUnifiedSearch(
         return await searchPage(backendParams);
       }
     },
-    enabled: (!!params.query || (params.labelIds?.length ?? 0) > 0) && enabled,
+    enabled:
+      (!!params.query ||
+        (params.labelIds?.length ?? 0) > 0 ||
+        !!params.creatorId) &&
+      enabled,
     // keep previous results only within the same search type; page results
     // rendered as attachments (or vice versa) crash on missing fields
     placeholderData: (previousData, previousQuery) => {
-      if (!params.query && !params.labelIds?.length) return undefined;
+      if (!params.query && !params.labelIds?.length && !params.creatorId)
+        return undefined;
       if (previousQuery && previousQuery.queryKey[1] !== searchType) {
         return undefined;
       }