fix(ui): ограничить каталог пользователей и добавить поиск

app/(main)/users/page.tsx

@@ -1,7 +1,8 @@
 "use client"
 
-import { useCallback, useEffect, useRef, useState } from "react"
+import { useCallback, useEffect, useRef, useState, useMemo } from "react"
 import { PageHeader } from "@/components/page-header"
+import { DataPageToolbar } from "@/components/data-page-toolbar"
 import { DataPageCard } from "@/components/data-page-card"
 import { UsersDataGrid } from "@/components/data-grids/users-data-grid"
 import { KpiStatGrid } from "@/components/reui-kit/kpi-stat-grid"
@@ -76,6 +77,11 @@ function UsersContent() {
   const canReadServers = can("mm:servers:read")
 
   const [users, setUsers] = useState<AppUser[]>(() => isLive ? [] : INIT_USERS)
+  const [userSearch, setUserSearch] = useState("")
+  const visibleUsers = useMemo(() => {
+    const query = userSearch.trim().toLocaleLowerCase("ru-RU")
+    return query ? users.filter(user => [user.name, user.login, user.email].some(value => value.toLocaleLowerCase("ru-RU").includes(query))) : users
+  }, [users, userSearch])
   const [serverOptions, setServerOptions] = useState<UserServerOption[]>(() => isLive ? [] : toServerOptionsFromMock())
   const [loading, setLoading] = useState(isLive && canRead)
   const [usersReadAt, setUsersReadAt] = useState<number | null>(null)
@@ -299,8 +305,11 @@ function UsersContent() {
 
         {/* Preview: https://reui.io/preview/base/data-grid-filtering-2 · https://reui.io/docs/components/base/data-grid · https://reui.io/docs/components/base/frame */}
         {canRead && (usersKnown || loading) && <DataPageCard>
+          <DataPageToolbar search={userSearch} onSearchChange={setUserSearch} searchLabel="Поиск по имени, логину или email" searchPlaceholder="Поиск по имени, логину или email…" countLabel={usersKnown ? `${visibleUsers.length} из ${users.length}` : "Данные пока неизвестны"} />
           <UsersDataGrid
-            users={users}
+            users={visibleUsers}
+            emptyTitle={userSearch.trim() ? "Нет совпадений" : "Нет пользователей"}
+            emptyDescription={userSearch.trim() ? "Измените поиск" : "Добавьте пользователя, чтобы привязать интерфейсы и учитывать трафик"}
             serversCount={serversKnown ? serverOptions.length : null}
             allSectionsCount={ALL_SECTIONS.length}
             isLoading={loading && !usersKnown}