fix: 群详情成员分页并与后端能力对齐

web/src/api/mock.ts

@@ -607,7 +607,7 @@ export const mockApi = {
     let list = groups.map(toGroupSummary);
     if (query) {
       const n = query.toLowerCase();
-      list = list.filter((g) => g.name.toLowerCase().includes(n) || g.id.toLowerCase().includes(n));
+      list = list.filter((g) => g.name.toLowerCase().includes(n));
     }
     return paginate(list, cursor, limit);
   },
@@ -664,6 +664,7 @@ export const mockApi = {
       name: g.name,
       owner_id: g.owner_id,
       created_at_ms: g.created_at_ms,
+      member_total: all.length,
       members: page.items,
       next_cursor: page.next_cursor,
     };