fix: improve error message for invalid input in lookup functionality

Updated the error response for invalid input in the handleLookup function to provide a clearer message indicating that the query must be an IP address or FQDN, enhancing user understanding of the input requirements.

apps/web/src/components/app-switcher.tsx

@@ -0,0 +1,97 @@
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuShortcut,
+  DropdownMenuTrigger,
+} from '@evobgp/ui/components/dropdown-menu'
+import {
+  SidebarMenu,
+  SidebarMenuButton,
+  SidebarMenuItem,
+  useSidebar,
+} from '@evobgp/ui/components/sidebar'
+import { CheckIcon, ChevronsUpDownIcon } from 'lucide-react'
+
+import {
+  APP_SWITCHER_ICONS,
+  CURRENT_APP_ID,
+  getCurrentApp,
+} from '@/lib/app-switcher-config'
+import { useAppSwitcherConfig } from '@/hooks/use-app-switcher'
+
+/** Sidebar app switcher — shared chrome etalon EvoBGP. @see https://reui.io/preview/base/app-shell-12 */
+export function AppSwitcher() {
+  const { isMobile } = useSidebar()
+  const { config, isLoading } = useAppSwitcherConfig()
+  const current = getCurrentApp(config)
+  const CurrentIcon = APP_SWITCHER_ICONS[current.icon]
+
+  return (
+    <SidebarMenu>
+      <SidebarMenuItem>
+        <DropdownMenu>
+          <DropdownMenuTrigger
+            render={
+              <SidebarMenuButton size="lg" className="aria-expanded:bg-muted" />
+            }
+          >
+            <div
+              className="flex aspect-square size-8 items-center justify-center rounded-md bg-primary text-primary-foreground"
+              aria-hidden
+            >
+              <CurrentIcon className="size-4" />
+            </div>
+            <div className="grid flex-1 text-left text-sm leading-tight">
+              <span className="truncate font-semibold">{current.name}</span>
+              {current.subtitle ? (
+                <span className="truncate text-xs text-muted-foreground">
+                  {current.subtitle}
+                </span>
+              ) : null}
+            </div>
+            <ChevronsUpDownIcon className="ml-auto size-4" />
+          </DropdownMenuTrigger>
+          <DropdownMenuContent
+            className="min-w-56 rounded-lg"
+            side={isMobile ? 'bottom' : 'right'}
+            align="start"
+            sideOffset={4}
+          >
+            <div className="px-2 py-1.5 text-xs text-muted-foreground">
+              {isLoading ? 'Загрузка…' : config.menuLabel}
+            </div>
+            {config.apps.map((app) => {
+              const Icon = APP_SWITCHER_ICONS[app.icon]
+              const isCurrent = app.id === CURRENT_APP_ID
+
+              if (isCurrent) {
+                return (
+                  <DropdownMenuItem key={app.id} disabled>
+                    <Icon />
+                    {app.name}
+                    <CheckIcon className="ml-auto size-4" />
+                  </DropdownMenuItem>
+                )
+              }
+
+              return (
+                <DropdownMenuItem
+                  key={app.id}
+                  nativeButton={false}
+                  render={<a href={app.url} />}
+                >
+                  <Icon />
+                  {app.name}
+                  {app.shortcut ? (
+                    <DropdownMenuShortcut>{app.shortcut}</DropdownMenuShortcut>
+                  ) : null}
+                </DropdownMenuItem>
+              )
+            })}
+          </DropdownMenuContent>
+        </DropdownMenu>
+      </SidebarMenuItem>
+    </SidebarMenu>
+  )
+}

apps/web/src/components/dashboard/dashboard-kpi-grid.tsx

@@ -122,6 +122,7 @@ function buildKpis({
       iconClassName: 'text-destructive',
       value: loading ? '—' : String(riskCount),
       label: 'Риски',
+      variant: riskCount > 0 ? 'destructive' : 'default',
       footer: (
         <Badge variant={riskCount > 0 ? 'destructive-light' : 'success-light'} size="sm">
           {loading

apps/web/src/components/dashboard/dashboard-quick-link-card.tsx

@@ -1,69 +0,0 @@
-import { Link } from '@tanstack/react-router'
-import { ChevronRight } from 'lucide-react'
-import type { ReactNode } from 'react'
-
-import { CardDotField } from '@/components/dashboard/card-dot-field'
-import { Card, CardContent } from '@evobgp/ui/components/card'
-import { cn } from '@evobgp/ui/lib/utils'
-import { Item, ItemMedia } from '@evobgp/ui/components/item'
-
-export type QuickLinkCardProps = {
-  icon: ReactNode
-  label: string
-  description: string
-  to: string
-  search?: Record<string, string>
-  iconClass: string
-}
-
-export function DashboardQuickLinkCard({
-  icon,
-  label,
-  description,
-  to,
-  search,
-  iconClass,
-}: QuickLinkCardProps) {
-  return (
-    <Link
-      to={to}
-      search={search}
-      className="group block h-full rounded-[inherit] focus-visible:outline-none"
-      aria-label={`${label}: ${description}`}
-    >
-      <Card
-        size="sm"
-        className={cn(
-          'relative isolate h-full overflow-hidden transition-colors',
-          'hover:border-foreground/20',
-          'group-focus-visible:ring-2 group-focus-visible:ring-ring group-focus-visible:ring-offset-2 group-focus-visible:ring-offset-background',
-        )}
-      >
-        <CardDotField className="text-muted-foreground [mask-image:linear-gradient(to_bottom_left,black,transparent_60%)]" />
-        <CardContent className="relative z-10 flex h-full flex-col gap-7.5 p-5">
-          <Item
-            className={cn(
-              'border-background flex size-11 shrink-0 items-center justify-center border-2 p-0 shadow-[0_1px_3px_0_rgba(0,0,0,0.14)] dark:border [&_svg]:size-5',
-              iconClass,
-            )}
-          >
-            <ItemMedia variant="icon" className="size-auto">
-              {icon}
-            </ItemMedia>
-          </Item>
-          <div className="mt-auto flex flex-col gap-3">
-            <span className="text-foreground block text-sm leading-tight font-medium">{label}</span>
-            <p className="text-muted-foreground text-xs leading-relaxed">{description}</p>
-            <span className="text-primary inline-flex items-center gap-1 text-xs font-medium underline-offset-2 group-hover:underline">
-              Перейти
-              <ChevronRight
-                aria-hidden
-                className="size-2.5 shrink-0 transition-transform group-hover:translate-x-0.5"
-              />
-            </span>
-          </div>
-        </CardContent>
-      </Card>
-    </Link>
-  )
-}

apps/web/src/components/dashboard/dashboard-quick-links.tsx

@@ -1,78 +1,76 @@
-import { Gauge, Network, Play, Plus, Share2, Tags } from 'lucide-react'
-import type { ReactNode } from 'react'
+import { Gauge, Network, Play, Plus, Search, Share2, Tags } from 'lucide-react'
 
-import { DashboardQuickLinkCard } from '@/components/dashboard/dashboard-quick-link-card'
-import { PanelCard } from '@/components/panel-card'
+import { QuickActionGrid, type QuickActionItem } from '@/components/reui-kit'
 
-type QuickLink = {
-  icon: ReactNode
-  label: string
-  description: string
-  to: string
-  search?: Record<string, string>
-  iconClass: string
-}
-
-const LINKS: QuickLink[] = [
+/** iconClassName: semantic text only (shared chrome with CFDM). @see https://reui.io/preview/base/stats-12 */
+const ACTIONS: QuickActionItem[] = [
   {
-    icon: <Plus aria-hidden />,
-    label: 'Создать модуль',
+    id: 'lookup',
+    title: 'Проверка IP/домена',
+    description: 'Membership в списках и community (entry + snapshot).',
+    to: '/lookup',
+    icon: <Search aria-hidden />,
+    iconClassName: 'text-primary',
+  },
+  {
+    id: 'new-module',
+    title: 'Создать модуль',
     description: 'Новый модуль маршрутизации и источники префиксов.',
     to: '/modules/new',
-    iconClass: 'bg-primary text-primary-foreground [&_svg]:text-primary-foreground',
+    icon: <Plus aria-hidden />,
+    iconClassName: 'text-primary',
   },
   {
-    icon: <Tags aria-hidden />,
-    label: 'BGP-сообщества',
+    id: 'communities',
+    title: 'BGP-сообщества',
     description: 'Справочник communities для политик экспорта.',
     to: '/directories',
-    iconClass: 'bg-info text-info-foreground [&_svg]:text-info-foreground',
+    icon: <Tags aria-hidden />,
+    iconClassName: 'text-info',
   },
   {
-    icon: <Network aria-hidden />,
-    label: 'Сеть',
+    id: 'network',
+    title: 'Сеть',
     description: 'Обзор пиров, спикеров и live-сессий BGP.',
     to: '/network',
     search: { tab: 'overview' },
-    iconClass: 'bg-success text-success-foreground [&_svg]:text-success-foreground',
+    icon: <Network aria-hidden />,
+    iconClassName: 'text-success',
   },
   {
-    icon: <Share2 aria-hidden />,
-    label: 'Добавить пира',
+    id: 'add-peer',
+    title: 'Добавить пира',
     description: 'Настройка BGP-соседа и шаблонов сессии.',
     to: '/network',
     search: { tab: 'peers' },
-    iconClass: 'bg-warning text-warning-foreground [&_svg]:text-warning-foreground',
+    icon: <Share2 aria-hidden />,
+    iconClassName: 'text-warning',
   },
   {
-    icon: <Play aria-hidden />,
-    label: 'Деплой',
+    id: 'deploy',
+    title: 'Деплой',
     description: 'Ревизии конфигурации и применение на нодах.',
     to: '/operations',
     search: { tab: 'revisions' },
-    iconClass: 'bg-focus text-focus-foreground [&_svg]:text-focus-foreground',
+    icon: <Play aria-hidden />,
+    iconClassName: 'text-muted-foreground',
   },
   {
-    icon: <Gauge aria-hidden />,
-    label: 'Мониторинг',
+    id: 'monitoring',
+    title: 'Мониторинг',
     description: 'Состояние системы, BIRD и PostgreSQL.',
     to: '/monitoring',
     search: { tab: 'system' },
-    iconClass: 'bg-destructive text-destructive-foreground [&_svg]:text-destructive-foreground',
+    icon: <Gauge aria-hidden />,
+    iconClassName: 'text-destructive',
   },
 ]
 
 export function DashboardQuickLinks() {
   return (
-    <PanelCard
-      title="Быстрые действия"
+    <QuickActionGrid
+      actions={ACTIONS}
       description="Частые переходы к настройке и деплою"
-      className="@container w-full"
-      contentClassName="grid gap-3 p-4 sm:grid-cols-2 xl:grid-cols-3"
-    >
-      {LINKS.map((link) => (
-        <DashboardQuickLinkCard key={link.label} {...link} />
-      ))}
-    </PanelCard>
+    />
   )
 }

apps/web/src/components/kpi-stat-grid.tsx

@@ -9,5 +9,6 @@ export {
   kpiStatItemKey,
   type KpiStatItem,
   type KpiStatCardData,
+  type KpiStatVariant,
   type OpsKpiCard,
 } from '@/components/reui-kit/kpi-stat-grid'

apps/web/src/components/layout/app-shell.tsx

@@ -10,6 +10,7 @@ import {
   KeyRound,
   ServerCog,
   Shield,
+  Search,
 } from 'lucide-react'
 
 import {
@@ -41,6 +42,8 @@ import { TooltipProvider } from '@evobgp/ui/components/tooltip'
 import { Link, useRouterState } from '@tanstack/react-router'
 import type { ComponentType, CSSProperties, ReactNode } from 'react'
 
+import { AppSwitcher } from '@/components/app-switcher'
+import { AppsMenu } from '@/components/layout/apps-menu'
 import { CommandPalette, type CommandPaletteItem } from '@/components/layout/command-palette'
 import { SystemMonitorPopover } from '@/components/layout/system-monitor-popover'
 import { ModeToggle } from '@/components/mode-toggle'
@@ -74,6 +77,7 @@ const NAV_GROUPS: NavGroup[] = [
     label: 'Маршрутизация',
     items: [
       { to: '/modules', label: 'Модули', icon: Boxes, description: 'Списки префиксов и AS' },
+      { to: '/lookup', label: 'Проверка', icon: Search, description: 'IP/домен в списках и community' },
       { to: '/network', label: 'Сеть', icon: Network, description: 'BGP-пиры и спикеры', search: { tab: 'overview' } },
       { to: '/directories', label: 'Справочники', icon: BookText, description: 'Communities и DoH' },
     ],
@@ -116,6 +120,11 @@ const COMMAND_ITEMS: CommandPaletteItem[] = ALL_NAV_ITEMS.map((item) => ({
   keywords: [item.to.replace(/^\//, '')],
 }))
 
+/**
+ * Shared ops chrome etalon for CFDM / vps-tracker.
+ * @see https://reui.io/preview/base/app-shell-12
+ * @see docs/ui-design-contract.md — Shared App Shell chrome
+ */
 export function AppShell({ children }: { children: ReactNode }) {
   const pathname = useRouterState({ select: (s) => s.location.pathname })
   const activeItem =
@@ -134,26 +143,13 @@ export function AppShell({ children }: { children: ReactNode }) {
       <SidebarProvider
         style={
           {
-            '--sidebar-width': '260px',
-            '--sidebar-width-icon': '62px',
-            '--header-height': '56px',
+            '--sidebar-width': '240px',
           } as CSSProperties
         }
       >
         <Sidebar collapsible="icon">
-          <SidebarHeader className="gap-2">
-            <div className="flex items-center gap-2 px-2 py-1.5">
-              <div className="flex size-8 items-center justify-center rounded-md bg-primary text-primary-foreground text-sm font-bold">
-                B
-              </div>
-              <div className="flex flex-col overflow-hidden group-data-[collapsible=icon]:hidden">
-                <span className="truncate text-sm font-semibold">EvoBGP</span>
-                <span className="truncate text-xs text-muted-foreground">Плоскость управления</span>
-              </div>
-            </div>
-            <div className="px-2 group-data-[collapsible=icon]:px-0">
-              <CommandPalette items={COMMAND_ITEMS} />
-            </div>
+          <SidebarHeader>
+            <AppSwitcher />
           </SidebarHeader>
           <SidebarContent>
             {NAV_GROUPS.map((group) => (
@@ -185,8 +181,8 @@ export function AppShell({ children }: { children: ReactNode }) {
           <SidebarFooter />
         </Sidebar>
         <SidebarInset>
-          <header className="sticky top-0 z-10 flex h-(--header-height) shrink-0 items-center gap-2 border-b bg-background/95 px-4 backdrop-blur supports-[backdrop-filter]:bg-background/80">
-            <SidebarTrigger />
+          <header className="bg-background sticky top-0 z-10 flex h-12 shrink-0 items-center gap-2 border-b px-4 md:px-6">
+            <SidebarTrigger className="-ml-1" />
             <Separator orientation="vertical" className="mr-2 data-[orientation=vertical]:h-4" />
             <Breadcrumb>
               <BreadcrumbList>
@@ -204,12 +200,16 @@ export function AppShell({ children }: { children: ReactNode }) {
               </BreadcrumbList>
             </Breadcrumb>
             <div className="ml-auto flex items-center gap-2">
+              <AppsMenu />
               <SystemMonitorPopover />
               <ModeToggle />
             </div>
           </header>
-          <main className="flex flex-1 flex-col gap-4 p-4 md:gap-6 md:p-6">{children}</main>
+          <main className="flex flex-1 flex-col gap-4 px-4 py-4 md:gap-6 md:px-6 md:py-5">
+            {children}
+          </main>
         </SidebarInset>
+        <CommandPalette items={COMMAND_ITEMS} hotkeyOnly />
       </SidebarProvider>
     </TooltipProvider>
   )

apps/web/src/components/layout/apps-menu.tsx

@@ -0,0 +1,93 @@
+import { Link } from '@tanstack/react-router'
+import { LayoutGridIcon } from 'lucide-react'
+import { Button } from '@evobgp/ui/components/button'
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuGroup,
+  DropdownMenuItem,
+  DropdownMenuLabel,
+  DropdownMenuSeparator,
+  DropdownMenuTrigger,
+} from '@evobgp/ui/components/dropdown-menu'
+import {
+  APP_SWITCHER_ICONS,
+  CURRENT_APP_ID,
+} from '@/lib/app-switcher-config'
+import { useAppSwitcherConfig } from '@/hooks/use-app-switcher'
+
+/** Header apps grid — app-shell-12 AppsMenu. @see https://reui.io/preview/base/app-shell-12 */
+export function AppsMenu() {
+  const { config, isLoading } = useAppSwitcherConfig()
+
+  return (
+    <DropdownMenu>
+      <DropdownMenuTrigger
+        render={
+          <Button variant="ghost" size="icon" aria-label="Приложения" />
+        }
+      >
+        <LayoutGridIcon
+          className="size-4.5 transition-colors"
+          aria-hidden="true"
+        />
+      </DropdownMenuTrigger>
+
+      <DropdownMenuContent
+        side="bottom"
+        align="end"
+        sideOffset={8}
+        className="w-72"
+      >
+        <DropdownMenuGroup>
+          <DropdownMenuLabel>
+            {isLoading ? 'Загрузка…' : config.menuLabel}
+          </DropdownMenuLabel>
+          <div className="grid grid-cols-3 gap-1 p-1">
+            {config.apps.map((app) => {
+              const Icon = APP_SWITCHER_ICONS[app.icon]
+              const isCurrent = app.id === CURRENT_APP_ID
+
+              if (isCurrent) {
+                return (
+                  <DropdownMenuItem
+                    key={app.id}
+                    disabled
+                    className="h-auto flex-col gap-1.5 py-3 text-center [&_svg]:size-5"
+                  >
+                    <span className="text-muted-foreground">
+                      <Icon aria-hidden="true" />
+                    </span>
+                    <span className="text-xs font-medium">{app.name}</span>
+                  </DropdownMenuItem>
+                )
+              }
+
+              return (
+                <DropdownMenuItem
+                  key={app.id}
+                  nativeButton={false}
+                  render={<a href={app.url} />}
+                  className="h-auto flex-col gap-1.5 py-3 text-center [&_svg]:size-5"
+                >
+                  <span className="text-muted-foreground">
+                    <Icon aria-hidden="true" />
+                  </span>
+                  <span className="text-xs font-medium">{app.name}</span>
+                </DropdownMenuItem>
+              )
+            })}
+          </div>
+          <DropdownMenuSeparator />
+          <DropdownMenuItem
+            nativeButton={false}
+            render={<Link to="/settings" search={{ tab: 'connection' }} />}
+            className="justify-center text-sm font-medium"
+          >
+            Настройки
+          </DropdownMenuItem>
+        </DropdownMenuGroup>
+      </DropdownMenuContent>
+    </DropdownMenu>
+  )
+}

apps/web/src/components/layout/command-palette.tsx

@@ -29,9 +29,11 @@ export type CommandPaletteItem = {
 interface CommandPaletteProps {
   items: CommandPaletteItem[]
   className?: string
+  /** Hotkey-only: no sidebar search trigger (chrome parity with CFDM). */
+  hotkeyOnly?: boolean
 }
 
-export function CommandPalette({ items }: CommandPaletteProps) {
+export function CommandPalette({ items, hotkeyOnly = false }: CommandPaletteProps) {
   const [open, setOpen] = useState(false)
   const [query, setQuery] = useState('')
   const searchInputId = useId()
@@ -68,25 +70,27 @@ export function CommandPalette({ items }: CommandPaletteProps) {
 
   return (
     <>
-      <SidebarGroup className="p-0">
-        <SidebarGroupContent className="relative">
-          <Button
-            type="button"
-            variant="outline"
-            className="hover:bg-background h-8 w-full justify-start pl-7 font-normal transition-[width] duration-200 ease-linear in-data-[state=collapsed]:w-8! in-data-[state=collapsed]:pl-4! in-data-[state=collapsed]:text-transparent"
-            onClick={() => setOpen(true)}
-          >
-            Поиск…
-          </Button>
-          <Search
-            aria-hidden
-            className="pointer-events-none absolute top-1/2 left-2 size-3.5 -translate-y-1/2 opacity-50 select-none"
-          />
-          <Kbd className="absolute top-1/2 right-2 -translate-y-1/2 in-data-[state=collapsed]:hidden">
-            ⌘K
-          </Kbd>
-        </SidebarGroupContent>
-      </SidebarGroup>
+      {!hotkeyOnly ? (
+        <SidebarGroup className="p-0">
+          <SidebarGroupContent className="relative">
+            <Button
+              type="button"
+              variant="outline"
+              className="hover:bg-background h-8 w-full justify-start pl-7 font-normal transition-[width] duration-200 ease-linear in-data-[state=collapsed]:w-8! in-data-[state=collapsed]:pl-4! in-data-[state=collapsed]:text-transparent"
+              onClick={() => setOpen(true)}
+            >
+              Поиск…
+            </Button>
+            <Search
+              aria-hidden
+              className="pointer-events-none absolute top-1/2 left-2 size-3.5 -translate-y-1/2 opacity-50 select-none"
+            />
+            <Kbd className="absolute top-1/2 right-2 -translate-y-1/2 in-data-[state=collapsed]:hidden">
+              ⌘K
+            </Kbd>
+          </SidebarGroupContent>
+        </SidebarGroup>
+      ) : null}
 
       <Dialog
         open={open}

apps/web/src/components/layout/system-monitor-popover.tsx

@@ -181,7 +181,7 @@ export function SystemMonitorPopover() {
         </Badge>
       </PopoverTrigger>
 
-      <PopoverContent align="end" sideOffset={8} className="w-80 gap-0! space-y-0! p-0!">
+      <PopoverContent align="end" sideOffset={8} className="flex w-80 flex-col gap-0! p-0!">
         <div className="border-border flex items-center justify-between border-b px-3 py-2.5">
           <span className="text-foreground text-xs font-medium">Монитор EvoBGP</span>
           <span className="text-muted-foreground text-[11px] tabular-nums">

apps/web/src/components/lookup/lookup-matches-grid.tsx

@@ -0,0 +1,129 @@
+import { ColumnDef } from '@tanstack/react-table'
+import { useMemo } from 'react'
+import { useNavigate } from '@tanstack/react-router'
+
+import { CategoryBadge } from '@/components/category-badge'
+import { DataGridPrimaryCell } from '@/components/data-grid-cell'
+import { DataGridCard, DataGridSection } from '@/components/data-grid-shell'
+import { Badge } from '@/components/reui/badge'
+import { DataGridColumnHeader } from '@/components/reui/data-grid/data-grid-column-header'
+import { useClientDataGrid } from '@/hooks/use-client-data-grid'
+import type { LookupMatch } from '@/types/api'
+
+/**
+ * Lookup matches grid — data-grid-filtering-2 pattern.
+ * @see https://reui.io/preview/base/data-grid-filtering-2
+ * @see https://reui.io/docs/components/base/badge
+ */
+export function LookupMatchesGrid({
+  items,
+  isLoading = false,
+}: {
+  items: LookupMatch[]
+  isLoading?: boolean
+}) {
+  const navigate = useNavigate()
+
+  const columns = useMemo<ColumnDef<LookupMatch>[]>(
+    () => [
+      {
+        accessorKey: 'layer',
+        header: ({ column }) => <DataGridColumnHeader column={column} title="Слой" />,
+        cell: ({ row }) => (
+          <Badge
+            variant={row.original.layer === 'entry' ? 'info-light' : 'primary-light'}
+            size="sm"
+          >
+            {row.original.layer}
+          </Badge>
+        ),
+        meta: { headerTitle: 'Слой' },
+      },
+      {
+        accessorKey: 'module_name',
+        header: ({ column }) => <DataGridColumnHeader column={column} title="Модуль" />,
+        cell: ({ row }) => (
+          <DataGridPrimaryCell
+            title={row.original.module_name}
+            subtitle={row.original.module_type}
+            accent="primary"
+          />
+        ),
+        meta: { headerTitle: 'Модуль' },
+      },
+      {
+        accessorKey: 'matched_value',
+        header: ({ column }) => <DataGridColumnHeader column={column} title="Совпадение" />,
+        cell: ({ row }) => (
+          <DataGridPrimaryCell
+            title={row.original.matched_value}
+            subtitle={row.original.match_kind}
+            accent="mono"
+          />
+        ),
+        meta: { headerTitle: 'Совпадение' },
+      },
+      {
+        id: 'community',
+        accessorFn: (row) => row.community_title || row.community || '',
+        header: ({ column }) => <DataGridColumnHeader column={column} title="Community" />,
+        cell: ({ row }) => {
+          const title = row.original.community_title?.trim()
+          const value = row.original.community?.trim()
+          if (!title && !value) {
+            return <span className="text-muted-foreground text-sm">—</span>
+          }
+          return (
+            <DataGridPrimaryCell
+              title={title || value || '—'}
+              subtitle={title && value && title !== value ? value : undefined}
+            />
+          )
+        },
+        meta: { headerTitle: 'Community' },
+      },
+      {
+        id: 'source',
+        enableSorting: false,
+        header: 'Источник',
+        cell: ({ row }) =>
+          row.original.source ? (
+            <CategoryBadge>{row.original.source}</CategoryBadge>
+          ) : (
+            <span className="text-muted-foreground text-sm">—</span>
+          ),
+        meta: { headerTitle: 'Источник' },
+      },
+    ],
+    [],
+  )
+
+  const { table, globalFilter, setGlobalFilter, filteredCount } = useClientDataGrid({
+    data: items,
+    columns,
+    getSearchText: (row) =>
+      `${row.layer} ${row.module_name} ${row.module_type} ${row.matched_value} ${row.community ?? ''} ${row.community_title ?? ''} ${row.source ?? ''}`,
+    getRowId: (row) =>
+      `${row.layer}|${row.module_id}|${row.match_kind}|${row.matched_value}|${row.entry_id ?? ''}|${row.source ?? ''}|${row.community_id ?? ''}`,
+  })
+
+  return (
+    <DataGridCard
+      title="Совпадения"
+      description="Entries и snapshots · клик по строке открывает модуль"
+    >
+      <DataGridSection
+        table={table}
+        recordCount={filteredCount}
+        isLoading={isLoading}
+        emptyMessage="Нет совпадений"
+        searchValue={globalFilter}
+        onSearchChange={setGlobalFilter}
+        searchPlaceholder="Фильтр совпадений…"
+        onRowClick={(row) =>
+          void navigate({ to: '/modules/$moduleId', params: { moduleId: row.module_id } })
+        }
+      />
+    </DataGridCard>
+  )
+}

apps/web/src/components/lookup/lookup-search-form.tsx

@@ -0,0 +1,76 @@
+import { useState, type FormEvent } from 'react'
+import { Search } from 'lucide-react'
+
+import { Button } from '@evobgp/ui/components/button'
+import { Field, FieldLabel } from '@evobgp/ui/components/field'
+import {
+  InputGroup,
+  InputGroupAddon,
+  InputGroupInput,
+} from '@evobgp/ui/components/input-group'
+import {
+  Frame,
+  FrameDescription,
+  FrameHeader,
+  FramePanel,
+  FrameTitle,
+} from '@/components/reui/frame'
+
+/**
+ * Lookup search form — Frame + InputGroup (form-7 pattern).
+ * @see https://reui.io/preview/base/form-7
+ * @see https://reui.io/docs/components/base/frame
+ */
+export function LookupSearchForm({
+  initialQuery = '',
+  isPending = false,
+  onSubmit,
+}: {
+  initialQuery?: string
+  isPending?: boolean
+  onSubmit: (q: string) => void
+}) {
+  const [value, setValue] = useState(initialQuery)
+
+  function handleSubmit(e: FormEvent) {
+    e.preventDefault()
+    const q = value.trim()
+    if (!q) return
+    onSubmit(q)
+  }
+
+  return (
+    <Frame spacing="sm" className="w-full">
+      <FrameHeader>
+        <FrameTitle>Проверка списка</FrameTitle>
+        <FrameDescription>
+          IP или FQDN — поиск в entries и материализованных snapshots с community.
+        </FrameDescription>
+      </FrameHeader>
+      <FramePanel>
+        <form onSubmit={handleSubmit} className="flex flex-col gap-4 sm:flex-row sm:items-end">
+          <Field className="min-w-0 flex-1">
+            <FieldLabel htmlFor="lookup-q">IP или домен</FieldLabel>
+            <InputGroup>
+              <InputGroupAddon align="inline-start">
+                <Search aria-hidden />
+              </InputGroupAddon>
+              <InputGroupInput
+                id="lookup-q"
+                name="q"
+                value={value}
+                onChange={(e) => setValue(e.target.value)}
+                placeholder="8.8.8.8 или example.com"
+                autoComplete="off"
+                autoFocus
+              />
+            </InputGroup>
+          </Field>
+          <Button type="submit" disabled={isPending || !value.trim()}>
+            Проверить
+          </Button>
+        </form>
+      </FramePanel>
+    </Frame>
+  )
+}

apps/web/src/components/lookup/lookup-summary-kpi.tsx

@@ -0,0 +1,50 @@
+import { Layers, ListChecks, Radar } from 'lucide-react'
+
+import { KpiStatGrid, type KpiStatItem } from '@/components/reui-kit'
+import type { LookupResponse } from '@/types/api'
+
+/**
+ * Lookup summary KPI — stats-12 via KpiStatGrid.
+ * @see https://reui.io/preview/base/stats-12
+ */
+export function LookupSummaryKpi({ data }: { data: LookupResponse }) {
+  const entryCount = data.matches.filter((m) => m.layer === 'entry').length
+  const snapshotCount = data.matches.filter((m) => m.layer === 'snapshot').length
+
+  const items: KpiStatItem[] = [
+    {
+      id: 'matched',
+      label: 'Результат',
+      value: data.matched ? 'Найдено' : 'Не найдено',
+      hint: data.normalized,
+      icon: <Radar aria-hidden />,
+      iconClassName: data.matched
+        ? 'bg-success text-success-foreground [&_svg]:text-success-foreground'
+        : 'bg-muted text-muted-foreground [&_svg]:text-muted-foreground',
+      variant: data.matched ? 'default' : 'warning',
+    },
+    {
+      id: 'entry',
+      label: 'Слой entry',
+      value: entryCount,
+      hint: 'сырые списки',
+      icon: <ListChecks aria-hidden />,
+      iconClassName: 'bg-info text-info-foreground [&_svg]:text-info-foreground',
+    },
+    {
+      id: 'snapshot',
+      label: 'Слой snapshot',
+      value: snapshotCount,
+      hint: 'материализация',
+      icon: <Layers aria-hidden />,
+      iconClassName: 'bg-focus text-focus-foreground [&_svg]:text-focus-foreground',
+    },
+  ]
+
+  return (
+    <KpiStatGrid
+      items={items}
+      aria-label={`Запрос: ${data.query_kind} · ${data.query}`}
+    />
+  )
+}

apps/web/src/components/reui-kit/index.ts

@@ -17,8 +17,10 @@ export {
   type KpiStatItem,
   type KpiStatCardData,
   type KpiStatCard as KpiStatCardType,
+  type KpiStatVariant,
   type OpsKpiCard,
 } from './kpi-stat-grid'
+export { QuickActionGrid, type QuickActionItem } from './quick-action-grid'
 export { OpsDashboard } from './ops-dashboard'
 export { DetailPanel, type DetailMetricCard } from './detail-panel'
 export { SettingsShell, type SettingsTabConfig } from './settings-shell'

apps/web/src/components/reui-kit/kpi-stat-grid.tsx

@@ -2,15 +2,15 @@ import type { KeyboardEvent, ReactNode } from 'react'
 import { Link } from '@tanstack/react-router'
 
 import { Frame, FramePanel } from '@/components/reui/frame'
+import { Badge } from '@/components/reui/badge'
 import { cn } from '@evobgp/ui/lib/utils'
 import { Item, ItemMedia } from '@evobgp/ui/components/item'
 import { Skeleton } from '@evobgp/ui/components/skeleton'
 
+export type KpiStatVariant = 'default' | 'warning' | 'destructive'
+
 /**
- * KPI tile data — stats-12 visual (icon tile + value + label + footer).
- * CFDM-compatible: id, label, value, hint?, to?, search?, onSelect?, selected?
- * EvoBGP: icon?, iconClassName?, footer?, active?, onClick?
- *
+ * KPI tile data — horizontal compact hybrid (icon left + label/Badge + value).
  * @see https://reui.io/preview/base/stats-12
  */
 export type KpiStatItem = {
@@ -26,6 +26,7 @@ export type KpiStatItem = {
   active?: boolean
   icon?: ReactNode
   iconClassName?: string
+  variant?: KpiStatVariant
   footer?: ReactNode
 }
 
@@ -40,7 +41,13 @@ export type KpiStatCard = KpiStatCardData
 
 const DEFAULT_ICON_CLASS = 'text-muted-foreground [&_svg]:text-current'
 
-function kpiStatGridClassName(count: number): string {
+const VALUE_VARIANT_CLASS: Record<KpiStatVariant, string> = {
+  default: 'text-foreground',
+  warning: 'text-warning',
+  destructive: 'text-destructive',
+}
+
+function kpiCols(count: number): string {
   if (count <= 1) return 'grid-cols-1'
   if (count === 2) return 'grid-cols-1 @xl:grid-cols-2'
   if (count === 3) return 'grid-cols-1 @3xl:grid-cols-3'
@@ -65,19 +72,29 @@ function isSelected(item: KpiStatItem): boolean {
   return Boolean(item.selected ?? item.active)
 }
 
+function resolveFooter(item: KpiStatItem): ReactNode {
+  if (item.footer) return item.footer
+  if (typeof item.hint === 'string') {
+    return (
+      <Badge variant="outline" size="sm">
+        {item.hint}
+      </Badge>
+    )
+  }
+  if (item.hint) return item.hint
+  return null
+}
+
 function KpiStatCardBody({ item }: { item: KpiStatItem }) {
-  const footer =
-    item.footer ??
-    (item.hint ? (
-      <span className="text-muted-foreground text-xs leading-snug">{item.hint}</span>
-    ) : null)
+  const footer = resolveFooter(item)
+  const valueVariant = item.variant ?? 'default'
 
   return (
-    <>
+    <div className="relative z-10 flex h-full items-start gap-3">
       {item.icon ? (
         <Item
           className={cn(
-            'border-background bg-muted flex size-10.5 items-center justify-center border-2 p-0 shadow-[0_1px_3px_0_rgba(0,0,0,0.14)] dark:border [&_svg]:size-4',
+            'border-background bg-muted flex size-10.5 shrink-0 items-center justify-center border-2 p-0 shadow-[0_1px_3px_0_rgba(0,0,0,0.14)] dark:border [&_svg]:size-4',
             item.iconClassName ?? DEFAULT_ICON_CLASS,
           )}
         >
@@ -87,19 +104,39 @@ function KpiStatCardBody({ item }: { item: KpiStatItem }) {
         </Item>
       ) : null}
 
-      <div className="space-y-0.5">
-        <div className="text-foreground text-2xl leading-none font-bold tabular-nums">
+      <div className="flex min-w-0 flex-1 flex-col gap-0.5">
+        <div className="flex items-start justify-between gap-2">
+          <div className="text-muted-foreground text-sm font-medium">{item.label}</div>
+          {footer ? <div className="shrink-0">{footer}</div> : null}
+        </div>
+        <div
+          className={cn(
+            'text-2xl leading-none font-bold tabular-nums',
+            VALUE_VARIANT_CLASS[valueVariant],
+          )}
+        >
           {item.value}
         </div>
-        <div className="text-muted-foreground text-sm font-medium">{item.label}</div>
       </div>
-
-      {footer ? <div className="mt-auto w-full">{footer}</div> : null}
-    </>
+    </div>
   )
 }
 
-/** Single KPI tile (ReUI stats-12 / dashboard PRO pattern). */
+function panelClassName(item: KpiStatItem, className?: string) {
+  const onActivate = resolveActivate(item)
+  const clickable = Boolean(item.to || onActivate)
+  const selected = isSelected(item)
+
+  return cn(
+    'relative isolate flex h-full flex-col',
+    clickable &&
+      'hover:bg-muted/40 focus-within:ring-ring cursor-pointer transition-colors focus-within:ring-2',
+    selected && 'ring-primary/30 bg-muted/30 ring-1',
+    className,
+  )
+}
+
+/** Single KPI tile — used for embedded / standalone contexts. */
 export function KpiStatCardTile({
   item,
   embedded = false,
@@ -110,26 +147,14 @@ export function KpiStatCardTile({
   className?: string
 }) {
   const onActivate = resolveActivate(item)
-  const clickable = Boolean(item.to || onActivate)
-  const selected = isSelected(item)
-
-  const panelClass = cn(
-    'flex h-full flex-col items-start gap-6',
-    clickable && 'cursor-pointer transition-colors hover:bg-muted/30',
-    selected && 'ring-1 ring-primary/30',
-    className,
-  )
+  const panelClass = panelClassName(item, className)
 
   let panel: ReactNode
 
   if (item.to) {
     panel = (
       <FramePanel className={panelClass}>
-        <Link
-          to={item.to}
-          search={item.search}
-          className="flex h-full w-full flex-col items-start gap-6 focus-visible:outline-none"
-        >
+        <Link to={item.to} search={item.search} className="focus-visible:outline-none">
           <KpiStatCardBody item={item} />
         </Link>
       </FramePanel>
@@ -176,22 +201,22 @@ export function KpiStatCard({
 
 function KpiStatGridSkeleton({ count }: { count: number }) {
   return (
-    <section className="@container w-full" aria-label="Загрузка показателей">
-      <div className={cn('grid gap-5', kpiStatGridClassName(count))}>
+    <Frame className="@container w-full">
+      <div className={cn('grid gap-2', kpiCols(count))}>
         {Array.from({ length: count }).map((_, index) => (
-          <Frame key={index} className="h-full">
-            <FramePanel className="flex h-full flex-col items-start gap-6">
-              <Skeleton className="size-10.5 rounded-md" />
-              <div className="flex flex-col gap-1">
-                <Skeleton className="h-8 w-16" />
-                <Skeleton className="h-4 w-28" />
+          <FramePanel key={index} className="flex items-start gap-3">
+            <Skeleton className="size-10.5 shrink-0 rounded-lg" />
+            <div className="flex min-w-0 flex-1 flex-col gap-1.5">
+              <div className="flex items-center justify-between gap-2">
+                <Skeleton className="h-4 w-20" />
+                <Skeleton className="h-4.5 w-14 rounded-full" />
               </div>
-              <Skeleton className="mt-auto h-5 w-32 rounded-full" />
-            </FramePanel>
-          </Frame>
+              <Skeleton className="h-7 w-16" />
+            </div>
+          </FramePanel>
         ))}
       </div>
-    </section>
+    </Frame>
   )
 }
 
@@ -205,10 +230,50 @@ interface KpiStatGridProps {
   emptyIcon?: ReactNode
   className?: string
   skeletonCount?: number
+  /** Wrap each tile in its own Frame (analytics panels). */
   embedded?: boolean
   'aria-label'?: string
 }
 
+function KpiStatCardItem({ item }: { item: KpiStatItem }) {
+  const onActivate = resolveActivate(item)
+  const panelClass = panelClassName(item)
+
+  if (item.to) {
+    return (
+      <FramePanel className={panelClass}>
+        <Link to={item.to} search={item.search} className="focus-visible:outline-none">
+          <KpiStatCardBody item={item} />
+        </Link>
+      </FramePanel>
+    )
+  }
+
+  if (onActivate) {
+    return (
+      <FramePanel
+        className={panelClass}
+        onClick={onActivate}
+        role="button"
+        tabIndex={0}
+        onKeyDown={(e) => handleCardKeyDown(onActivate, e)}
+      >
+        <KpiStatCardBody item={item} />
+      </FramePanel>
+    )
+  }
+
+  return (
+    <FramePanel className={panelClass}>
+      <KpiStatCardBody item={item} />
+    </FramePanel>
+  )
+}
+
+/**
+ * Hybrid KPI — EvoBGP visual + horizontal compact layout (icon left).
+ * Preview: https://reui.io/preview/base/stats-12
+ */
 export function KpiStatGrid({
   items,
   cards,
@@ -239,18 +304,26 @@ export function KpiStatGrid({
     )
   }
 
+  if (embedded) {
+    return (
+      <section aria-label={ariaLabel} className={cn('@container w-full', className)}>
+        <div className={cn('grid gap-2', kpiCols(list.length || 1))}>
+          {list.map((item, index) => (
+            <KpiStatCardTile key={kpiStatItemKey(item, index)} item={item} embedded />
+          ))}
+        </div>
+      </section>
+    )
+  }
+
   return (
-    <section aria-label={ariaLabel} className={cn('@container w-full', className)}>
-      <div className={cn('grid gap-5', kpiStatGridClassName(list.length || 1))}>
+    <Frame className={cn('@container w-full', className)} aria-label={ariaLabel}>
+      <div className={cn('grid gap-2', kpiCols(list.length || 1))}>
         {list.map((item, index) => (
-          <KpiStatCardTile
-            key={kpiStatItemKey(item, index)}
-            item={item}
-            embedded={embedded}
-          />
+          <KpiStatCardItem key={kpiStatItemKey(item, index)} item={item} />
         ))}
       </div>
-    </section>
+    </Frame>
   )
 }
 

apps/web/src/components/reui-kit/quick-action-grid.tsx

@@ -0,0 +1,113 @@
+import type { ReactNode } from 'react'
+import { Link } from '@tanstack/react-router'
+import {
+  Frame,
+  FrameDescription,
+  FrameHeader,
+  FramePanel,
+  FrameTitle,
+} from '@/components/reui/frame'
+import { Badge } from '@/components/reui/badge'
+import { Item, ItemMedia } from '@evobgp/ui/components/item'
+import { cn } from '@evobgp/ui/lib/utils'
+
+export interface QuickActionItem {
+  id: string
+  title: string
+  description: string
+  to: string
+  search?: Record<string, unknown>
+  icon?: ReactNode
+  iconClassName?: string
+}
+
+interface QuickActionGridProps {
+  actions: QuickActionItem[]
+  title?: string
+  description?: string
+  className?: string
+}
+
+const DEFAULT_ICON_CLASS = 'text-muted-foreground [&_svg]:text-current'
+
+function kpiCols(count: number): string {
+  if (count <= 1) return 'grid-cols-1'
+  if (count === 2) return 'grid-cols-1 @xl:grid-cols-2'
+  if (count === 3) return 'grid-cols-1 @3xl:grid-cols-3'
+  if (count === 4) return 'grid-cols-1 @3xl:grid-cols-2 @6xl:grid-cols-4'
+  if (count === 5) return 'grid-cols-2 @3xl:grid-cols-3 xl:grid-cols-5'
+  if (count === 6) return 'grid-cols-2 sm:grid-cols-3 xl:grid-cols-6'
+  return 'grid-cols-2 sm:grid-cols-3 lg:grid-cols-4'
+}
+
+function QuickActionBody({ action }: { action: QuickActionItem }) {
+  return (
+    <div className="relative z-10 flex h-full items-start gap-3">
+      {action.icon ? (
+        <Item
+          className={cn(
+            'border-background bg-muted flex size-10.5 shrink-0 items-center justify-center border-2 p-0 shadow-[0_1px_3px_0_rgba(0,0,0,0.14)] dark:border [&_svg]:size-4',
+            action.iconClassName ?? DEFAULT_ICON_CLASS,
+          )}
+        >
+          <ItemMedia variant="icon" className="size-auto">
+            {action.icon}
+          </ItemMedia>
+        </Item>
+      ) : null}
+
+      <div className="flex min-w-0 flex-1 flex-col gap-0.5">
+        <div className="flex items-start justify-between gap-2">
+          <span className="text-foreground text-sm font-medium">{action.title}</span>
+          <Badge variant="outline" size="sm" className="shrink-0">
+            Перейти
+          </Badge>
+        </div>
+        <p className="text-muted-foreground line-clamp-2 text-xs leading-relaxed">
+          {action.description}
+        </p>
+      </div>
+    </div>
+  )
+}
+
+/**
+ * KPI-like quick actions strip (horizontal Frame tiles).
+ * Preview: https://reui.io/preview/base/stats-12
+ */
+export function QuickActionGrid({
+  actions,
+  title = 'Быстрые действия',
+  description,
+  className,
+}: QuickActionGridProps) {
+  if (actions.length === 0) return null
+
+  return (
+    <Frame dense spacing="sm" className={cn('@container w-full', className)}>
+      {(title || description) && (
+        <FrameHeader>
+          {title ? <FrameTitle>{title}</FrameTitle> : null}
+          {description ? <FrameDescription>{description}</FrameDescription> : null}
+        </FrameHeader>
+      )}
+      <div className={cn('grid gap-2', kpiCols(actions.length))}>
+        {actions.map((action) => (
+          <FramePanel
+            key={action.id}
+            className="relative isolate flex h-full flex-col hover:bg-muted/40 focus-within:ring-ring cursor-pointer transition-colors focus-within:ring-2"
+          >
+            <Link
+              to={action.to}
+              search={action.search}
+              className="focus-visible:outline-none"
+              aria-label={`${action.title}: ${action.description}`}
+            >
+              <QuickActionBody action={action} />
+            </Link>
+          </FramePanel>
+        ))}
+      </div>
+    </Frame>
+  )
+}

apps/web/src/components/section-cards.tsx

@@ -32,15 +32,17 @@ function hintToFooter(hint: ReactNode) {
 }
 
 function toKpiStatItem(item: SectionCardItem, index: number): KpiStatItem {
+  const variant = item.variant ?? 'default'
   const footer =
     item.badge ?? (item.hint ? hintToFooter(item.hint) : undefined)
 
   return {
     id: typeof item.label === 'string' ? item.label : `section-${index}`,
     icon: item.icon,
-    iconClassName: VARIANT_ICON_CLASS[item.variant ?? 'default'],
+    iconClassName: VARIANT_ICON_CLASS[variant],
     value: item.value,
     label: item.label,
+    variant,
     footer,
     active: item.active,
     onClick: item.onClick,

apps/web/src/components/settings/appearance-settings-tab.tsx

@@ -1,5 +1,7 @@
 import { Moon, Sun, SunMoon } from 'lucide-react'
 import { useTheme } from 'next-themes'
+import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query'
+import { toast } from 'sonner'
 
 import { SettingRow } from '@/components/blocks/settings-7/components/setting-row'
 import { SettingsCard } from '@/components/blocks/settings-7/components/settings-card'
@@ -9,6 +11,9 @@ import {
   ToggleGroup,
   ToggleGroupItem,
 } from '@evobgp/ui/components/toggle-group'
+import { Switch } from '@evobgp/ui/components/switch'
+import { apiMutate } from '@/lib/api-client'
+import { settingsKeys, settingsQueryOptions } from '@/queries/settings'
 
 const THEME_OPTIONS = [
   { value: 'light', label: 'Светлая', icon: Sun },
@@ -16,8 +21,27 @@ const THEME_OPTIONS = [
   { value: 'system', label: 'Система', icon: SunMoon },
 ] as const
 
+function parseShowQuickActions(value: unknown): boolean {
+  if (value === false || value === 0 || value === 'false' || value === '0') return false
+  return true
+}
+
 export function AppearanceSettingsTab() {
   const { theme, setTheme } = useTheme()
+  const qc = useQueryClient()
+  const settingsQ = useQuery(settingsQueryOptions())
+  const showQuickActions = parseShowQuickActions(settingsQ.data?.ui_show_quick_actions)
+
+  const patchMut = useMutation({
+    mutationFn: (payload: Record<string, boolean>) =>
+      apiMutate('/v1/settings', 'PATCH', payload),
+    onSuccess: () => {
+      toast.success('Настройки интерфейса сохранены')
+      void qc.invalidateQueries({ queryKey: settingsKeys.all })
+    },
+    onError: (e) =>
+      toast.error(e instanceof Error ? e.message : 'Не удалось сохранить'),
+  })
 
   return (
     <div className="space-y-6">
@@ -63,6 +87,31 @@ export function AppearanceSettingsTab() {
           </SettingRow>
         </SettingsFieldGroup>
       </SettingsCard>
+
+      <SettingsCard
+        title="Дашборд"
+        description="Блоки на экране «Обзор»"
+      >
+        <SettingsFieldGroup
+          legend="Быстрые действия"
+          description="Показывать KPI-like плитки быстрых переходов под метриками."
+        >
+          <SettingRow
+            title="Быстрые действия"
+            description="Блок с частыми переходами (модули, сеть, деплой) на дашборде."
+            last
+          >
+            <Switch
+              checked={showQuickActions}
+              disabled={settingsQ.isLoading || patchMut.isPending}
+              onCheckedChange={(checked) =>
+                patchMut.mutate({ ui_show_quick_actions: checked })
+              }
+              aria-label="Показывать быстрые действия"
+            />
+          </SettingRow>
+        </SettingsFieldGroup>
+      </SettingsCard>
     </div>
   )
 }

apps/web/src/hooks/use-app-switcher.ts

@@ -0,0 +1,22 @@
+import {
+  DEFAULT_APP_SWITCHER_CONFIG,
+  getAppSwitcherConfig,
+  getAppUrl as getAppUrlFromConfig,
+  type AppSwitcherConfig,
+} from '@/lib/app-switcher-config'
+
+/** Env-backed app switcher (no DB API in EvoBGP v1). */
+export function useAppSwitcherConfig(): {
+  config: AppSwitcherConfig
+  isLoading: boolean
+} {
+  return {
+    config: getAppSwitcherConfig(),
+    isLoading: false,
+  }
+}
+
+export function useAppUrl(appId: string): string | undefined {
+  const { config } = useAppSwitcherConfig()
+  return getAppUrlFromConfig(appId, config ?? DEFAULT_APP_SWITCHER_CONFIG)
+}

apps/web/src/lib/app-switcher-config.ts

@@ -0,0 +1,102 @@
+import {
+  ChartBarIcon,
+  CloudIcon,
+  GlobeIcon,
+  LayoutDashboardIcon,
+  ServerIcon,
+  type LucideIcon,
+} from 'lucide-react'
+import { z } from 'zod'
+
+export const CURRENT_APP_ID = 'evobgp'
+
+const appSwitcherIconSchema = z.enum(['server', 'cloud', 'globe', 'dashboard', 'chart'])
+
+export type AppSwitcherIconName = z.infer<typeof appSwitcherIconSchema>
+
+export const APP_SWITCHER_ICONS: Record<AppSwitcherIconName, LucideIcon> = {
+  server: ServerIcon,
+  cloud: CloudIcon,
+  globe: GlobeIcon,
+  dashboard: LayoutDashboardIcon,
+  chart: ChartBarIcon,
+}
+
+const appSwitcherEntrySchema = z.object({
+  id: z.string(),
+  name: z.string(),
+  subtitle: z.string().optional(),
+  url: z.string(),
+  icon: appSwitcherIconSchema.default('server'),
+  shortcut: z.string().optional(),
+})
+
+const appSwitcherConfigSchema = z.object({
+  menuLabel: z.string().default('Приложения'),
+  apps: z.array(appSwitcherEntrySchema).min(1),
+})
+
+export type AppSwitcherEntry = z.infer<typeof appSwitcherEntrySchema>
+export type AppSwitcherConfig = z.infer<typeof appSwitcherConfigSchema>
+
+/** Shared defaults across ops apps — chrome app switcher. */
+export const DEFAULT_APP_SWITCHER_CONFIG: AppSwitcherConfig = {
+  menuLabel: 'Приложения',
+  apps: [
+    {
+      id: 'vps-tracker',
+      name: 'VPS Tracker',
+      subtitle: 'Учёт виртуальных серверов',
+      url: 'http://192.168.100.67:3001',
+      icon: 'server',
+      shortcut: '⌘1',
+    },
+    {
+      id: 'cfdm',
+      name: 'CF Domain Manager',
+      subtitle: 'Управление доменами',
+      url: 'http://192.168.100.67:6363',
+      icon: 'cloud',
+      shortcut: '⌘2',
+    },
+    {
+      id: 'evobgp',
+      name: 'EvoBGP',
+      subtitle: 'BGP маршрутизация',
+      url: 'http://192.168.100.67:3000',
+      icon: 'globe',
+      shortcut: '⌘3',
+    },
+  ],
+}
+
+export function parseAppSwitcherConfig(raw?: string): AppSwitcherConfig {
+  if (!raw?.trim()) {
+    return DEFAULT_APP_SWITCHER_CONFIG
+  }
+
+  try {
+    const parsed = JSON.parse(raw) as unknown
+    return appSwitcherConfigSchema.parse(parsed)
+  } catch (error) {
+    console.warn('Invalid VITE_APP_SWITCHER, using defaults:', error)
+    return DEFAULT_APP_SWITCHER_CONFIG
+  }
+}
+
+export function getAppSwitcherConfig(): AppSwitcherConfig {
+  return parseAppSwitcherConfig(import.meta.env.VITE_APP_SWITCHER)
+}
+
+export function getAppUrl(
+  appId: string,
+  config: AppSwitcherConfig = getAppSwitcherConfig(),
+): string | undefined {
+  return config.apps.find((app) => app.id === appId)?.url
+}
+
+export function getCurrentApp(
+  config: AppSwitcherConfig = getAppSwitcherConfig(),
+): AppSwitcherEntry {
+  return config.apps.find((app) => app.id === CURRENT_APP_ID) ?? config.apps[0]!
+}

apps/web/src/queries/lookup.ts

@@ -0,0 +1,21 @@
+import { queryOptions } from '@tanstack/react-query'
+
+import { apiJSON } from '@/lib/api-client'
+import type { LookupResponse } from '@/types/api'
+
+export const lookupKeys = {
+  all: ['lookup'] as const,
+  query: (q: string) => [...lookupKeys.all, q] as const,
+}
+
+/** GET /v1/lookup?q= — dual-layer membership (entry + snapshot). */
+export function lookupQueryOptions(q: string) {
+  const trimmed = q.trim()
+  return queryOptions<LookupResponse>({
+    queryKey: lookupKeys.query(trimmed),
+    queryFn: () =>
+      apiJSON<LookupResponse>(`/v1/lookup?q=${encodeURIComponent(trimmed)}`),
+    enabled: trimmed.length > 0,
+    staleTime: 15_000,
+  })
+}

apps/web/src/routes/_auth/dashboard.tsx

@@ -1,5 +1,5 @@
 import { createFileRoute } from '@tanstack/react-router'
-import { useQueries } from '@tanstack/react-query'
+import { useQueries, useQuery } from '@tanstack/react-query'
 import { RefreshCw } from 'lucide-react'
 import { useState } from 'react'
 
@@ -27,13 +27,21 @@ import {
   overviewRevisionsQueryOptions,
   overviewSpeakersQueryOptions,
 } from '@/queries/overview'
+import { settingsQueryOptions } from '@/queries/settings'
 
 export const Route = createFileRoute('/_auth/dashboard')({
   component: DashboardComponent,
 })
 
+function parseShowQuickActions(value: unknown): boolean {
+  if (value === false || value === 0 || value === 'false' || value === '0') return false
+  return true
+}
+
 function DashboardComponent() {
   const [lastUpdated, setLastUpdated] = useState<Date | null>(null)
+  const settingsQ = useQuery(settingsQueryOptions())
+  const showQuickActions = parseShowQuickActions(settingsQ.data?.ui_show_quick_actions)
 
   const results = useQueries({
     queries: [
@@ -86,8 +94,6 @@ function DashboardComponent() {
         }
       />
 
-      <DashboardQuickLinks />
-
       {initialLoading ? (
         <AnalyticsDashboardSkeleton />
       ) : (
@@ -99,6 +105,8 @@ function DashboardComponent() {
             jobs={jobs}
           />
 
+          {showQuickActions ? <DashboardQuickLinks /> : null}
+
           <div className={dashboardMainSidebarClassName}>
             <div className="xl:col-span-8">
               <DashboardModulesGrid modules={modules} isLoading={refreshing} />

apps/web/src/routes/_auth/lookup.tsx

@@ -0,0 +1,86 @@
+import { createFileRoute, useSearch } from '@tanstack/react-router'
+import { useQuery } from '@tanstack/react-query'
+import { Search } from 'lucide-react'
+
+import { LookupMatchesGrid } from '@/components/lookup/lookup-matches-grid'
+import { LookupSearchForm } from '@/components/lookup/lookup-search-form'
+import { LookupSummaryKpi } from '@/components/lookup/lookup-summary-kpi'
+import { PageHeader } from '@/components/page-header'
+import { EmptyState } from '@/components/empty-state'
+import { QueryState } from '@/components/query-state'
+import { SectionCardsSkeleton, TableSkeleton } from '@/components/skeletons'
+import { lookupQueryOptions } from '@/queries/lookup'
+
+/**
+ * Quick membership lookup page.
+ * Surface: frame · KPI: stats-12 · form: form-7 · grid: data-grid-filtering-2 · empty: empty-state-2
+ * @see https://reui.io/preview/base/stats-12
+ * @see https://reui.io/preview/base/form-7
+ * @see https://reui.io/preview/base/data-grid-filtering-2
+ * @see https://reui.io/preview/base/empty-state-2
+ */
+export const Route = createFileRoute('/_auth/lookup')({
+  component: LookupComponent,
+  validateSearch: (search: Record<string, unknown>) => ({
+    q: typeof search.q === 'string' ? search.q : '',
+  }),
+})
+
+function LookupComponent() {
+  const { q } = useSearch({ from: '/_auth/lookup' })
+  const navigate = Route.useNavigate()
+  const lookupQ = useQuery(lookupQueryOptions(q))
+
+  return (
+    <div className="flex flex-col gap-4 md:gap-6">
+      <PageHeader
+        title="Проверка"
+        description="Быстрая проверка IP или домена в списках и community (entry + snapshot)"
+      />
+
+      <LookupSearchForm
+        key={q}
+        initialQuery={q}
+        isPending={lookupQ.isFetching}
+        onSubmit={(next) => void navigate({ search: { q: next } })}
+      />
+
+      {!q.trim() ? (
+        <EmptyState
+          icon={<Search className="size-8" />}
+          title="Введите IP или домен"
+          description="Например 8.8.8.8 или example.com — проверка по сырым entries и материализованным префиксам."
+        />
+      ) : (
+        <QueryState
+          data={lookupQ.data}
+          isLoading={lookupQ.isLoading}
+          isError={lookupQ.isError}
+          error={lookupQ.error}
+          onRetry={() => void lookupQ.refetch()}
+          skeleton={
+            <div className="flex flex-col gap-4 md:gap-6">
+              <SectionCardsSkeleton />
+              <TableSkeleton rows={5} />
+            </div>
+          }
+        >
+          {(data) => (
+            <div className="flex flex-col gap-4 md:gap-6">
+              <LookupSummaryKpi data={data} />
+              {data.matched ? (
+                <LookupMatchesGrid items={data.matches} isLoading={lookupQ.isFetching} />
+              ) : (
+                <EmptyState
+                  icon={<Search className="size-8" />}
+                  title="Не найдено в списках"
+                  description={`«${data.normalized}» отсутствует в entries и snapshots tenant.`}
+                />
+              )}
+            </div>
+          )}
+        </QueryState>
+      )}
+    </div>
+  )
+}

apps/web/src/types/api.ts

@@ -151,6 +151,35 @@ export type BgpCommunityCreate = {
 export type BgpCommunityPatch = Partial<BgpCommunityCreate>
 export type CommunitiesResponse = Page<BgpCommunity>
 
+// ---- Lookup (GET /v1/lookup) ----
+/** @see https://reui.io/preview/base/stats-12 — KPI summary on /lookup */
+export type LookupQueryKind = 'ip' | 'domain'
+export type LookupLayer = 'entry' | 'snapshot'
+export type LookupMatchKind = 'ip_range' | 'domain' | 'prefix'
+
+export type LookupMatch = {
+  layer: LookupLayer
+  module_id: string
+  module_name: string
+  module_type: ModuleType
+  match_kind: LookupMatchKind
+  matched_value: string
+  entry_id?: string
+  source?: string
+  community_id?: string | null
+  community?: string
+  community_title?: string
+}
+
+export type LookupResponse = {
+  query: string
+  query_kind: LookupQueryKind
+  normalized: string
+  matched: boolean
+  match_count: number
+  matches: LookupMatch[]
+}
+
 // ---- Peers ----
 export type PeerSessionOnSpeaker = {
   speaker_id: string

apps/web/src/vite-env.d.ts

@@ -0,0 +1,9 @@
+/// <reference types="vite/client" />
+
+interface ImportMetaEnv {
+  readonly VITE_APP_SWITCHER?: string
+}
+
+interface ImportMeta {
+  readonly env: ImportMetaEnv
+}

docs/api.md

@@ -33,6 +33,15 @@
 - `POST /v1/modules`, `PATCH /v1/modules/{module_id}`, `DELETE /v1/modules/{module_id}`
 - `GET|POST|PATCH|DELETE` для `.../cdn-sources`, `.../as-entries`, `.../domain-entries`, `.../ip-range-entries`
 - `POST /v1/modules/{module_id}/refresh`
+- `GET /v1/router-lists/catalog` — агрегированный каталог модулей/entries/communities
+
+### Lookup
+
+- `GET /v1/lookup?q=` — быстрая проверка IP или FQDN в списках (viewer+).
+  - Слой `entry`: `IP_RANGES` (`CIDR.Contains`) / `DOMAINS` (нормализованный FQDN).
+  - Слой `snapshot`: материализованные `module_prefix_snapshot` (для IP — Contains по всем модулям; для домена — `source=domain` у matched DOMAINS-модулей).
+  - В каждом матче — community (`community_id` / значение / title).
+  - Live DoH не выполняется. Контракт: OpenAPI `lookupMembership`.
 
 ### DoH profiles
 

docs/openapi.yaml

@@ -27,6 +27,8 @@ tags:
     description: Liveness, readiness и метаданные сборки. Обычно без чувствительных данных; доступ может быть шире.
   - name: Modules
     description: Экземпляры модулей префиксов (AS, CDN, домены, статические IP-диапазоны) и вложенные записи. Чтение - viewer+; изменение - editor+.
+  - name: Lookup
+    description: Быстрая проверка membership IP/FQDN в списках (entries + module prefix snapshots) и community. Чтение - viewer+.
   - name: DoH profiles
     description: Профили DNS-over-HTTPS для модулей типа домены. Секрет в ответах не возвращается.
   - name: Communities
@@ -221,6 +223,12 @@ components:
         application/problem+json:
           schema:
             $ref: "#/components/schemas/Problem"
+    BadRequest:
+      description: Некорректный запрос (пустой или невалидный параметр).
+      content:
+        application/problem+json:
+          schema:
+            $ref: "#/components/schemas/Problem"
     Forbidden:
       description: Недостаточно прав для операции.
       content:
@@ -751,6 +759,90 @@ components:
           description: Человекочитаемое название для UI и фильтров.
       additionalProperties: true
 
+    LookupQueryKind:
+      type: string
+      enum: [ip, domain]
+      description: Определённый тип запроса после нормализации.
+
+    LookupLayer:
+      type: string
+      enum: [entry, snapshot]
+      description: |
+        `entry` — сырые IP_RANGES / DOMAINS entries;
+        `snapshot` — материализованные префиксы `module_prefix_snapshot`.
+
+    LookupMatchKind:
+      type: string
+      enum: [ip_range, domain, prefix]
+      description: Вид совпадения (entry CIDR, entry FQDN или snapshot prefix).
+
+    LookupMatch:
+      type: object
+      required:
+        - layer
+        - module_id
+        - module_name
+        - module_type
+        - match_kind
+        - matched_value
+      properties:
+        layer:
+          $ref: "#/components/schemas/LookupLayer"
+        module_id:
+          $ref: "#/components/schemas/ResourceId"
+        module_name:
+          type: string
+        module_type:
+          $ref: "#/components/schemas/ModuleType"
+        match_kind:
+          $ref: "#/components/schemas/LookupMatchKind"
+        matched_value:
+          type: string
+          description: CIDR, FQDN или prefix, с которым совпал запрос.
+        entry_id:
+          type: string
+          description: ID entry (только для layer=entry).
+        source:
+          type: string
+          description: Источник строки snapshot (ip_range, domain, as, cdn, …).
+        community_id:
+          type: ["string", "null"]
+        community:
+          type: string
+          description: Техническое значение BGP community.
+        community_title:
+          type: string
+          description: Человекочитаемое название community.
+
+    LookupResponse:
+      type: object
+      required:
+        - query
+        - query_kind
+        - normalized
+        - matched
+        - match_count
+        - matches
+      properties:
+        query:
+          type: string
+          description: Исходная строка запроса.
+        query_kind:
+          $ref: "#/components/schemas/LookupQueryKind"
+        normalized:
+          type: string
+          description: Нормализованный IP или FQDN.
+        matched:
+          type: boolean
+          description: true, если есть хотя бы одно совпадение.
+        match_count:
+          type: integer
+          minimum: 0
+        matches:
+          type: array
+          items:
+            $ref: "#/components/schemas/LookupMatch"
+
     BgpPeer:
       type: object
       required:
@@ -1455,6 +1547,10 @@ components:
           description: UTC cron для автоочистки (по умолчанию `0 */6 * * *`).
         runtime_logs_auto_mode:
           $ref: "#/components/schemas/RuntimeLogCleanupMode"
+        ui_show_quick_actions:
+          type: boolean
+          description: Показывать блок «Быстрые действия» на дашборде (UI preference).
+          default: true
       additionalProperties: true
 
     RevisionDiff:
@@ -1776,6 +1872,47 @@ paths:
         default:
           $ref: "#/components/responses/DefaultProblem"
 
+  /v1/lookup:
+    get:
+      tags: [Lookup]
+      summary: Проверка IP или домена в списках
+      description: |
+        Быстрая membership-проверка по tenant:
+
+        - **IP** — слой `entry` (`IP_RANGES`, `CIDR.Contains`) и слой `snapshot`
+          (все module prefix snapshots, `Prefix.Contains`);
+        - **Domain** — слой `entry` (нормализованный FQDN в `DOMAINS`) и слой `snapshot`
+          (префиксы `source=domain` у matched DOMAINS-модулей, если snapshot есть).
+
+        Community на матче: `entry.community_id || module.default_community_id` (entry)
+        или `PrefixRow.community_id` (snapshot), с join к справочнику communities.
+
+        Live DoH resolve не выполняется — только уже материализованный snapshot.
+      operationId: lookupMembership
+      parameters:
+        - $ref: "#/components/parameters/TenantId"
+        - name: q
+          in: query
+          required: true
+          schema:
+            type: string
+            minLength: 1
+            maxLength: 253
+          description: IP-адрес или FQDN для проверки.
+      responses:
+        "200":
+          description: Результат проверки (в т.ч. matched=false при отсутствии совпадений).
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/LookupResponse"
+        "400":
+          $ref: "#/components/responses/BadRequest"
+        "401":
+          $ref: "#/components/responses/Unauthorized"
+        default:
+          $ref: "#/components/responses/DefaultProblem"
+
   /v1/router-lists/catalog:
     get:
       tags: [Modules]

docs/ui-design-contract.md

@@ -18,25 +18,63 @@ Ops / list / dashboard / detail / settings — только **Frame**, не shad
 | Зона | Block | Preview |
 |------|-------|---------|
 | Shell | `app-shell-12` (+ cmdk/monitor где нужно) | https://reui.io/preview/base/app-shell-12 · https://reui.io/preview/base/app-shell-7 |
-| KPI | `stats-12` (primary); `card-35` compact strip | https://reui.io/preview/base/stats-12 · https://reui.io/preview/base/card-35 |
+| KPI | horizontal compact hybrid (icon left + label/Badge + value ± variant; EvoBGP visual) | https://reui.io/preview/base/stats-12 |
 | Dashboard | `dashboard-1` | https://reui.io/preview/base/dashboard-1 |
 | Lists | `data-grid-filtering-2` | https://reui.io/preview/base/data-grid-filtering-2 |
 | Settings | `settings-16` + SettingRow (`settings-7`) | https://reui.io/preview/base/settings-16 · https://reui.io/preview/base/settings-7 |
 | Auth | `auth-13` | https://reui.io/preview/base/auth-13 |
 | Empty | `empty-state-12` | https://reui.io/preview/base/empty-state-12 |
 | Forms | `form-7` → Sheet/Drawer | https://reui.io/preview/base/form-7 |
+| Lookup | `/lookup` — Frame form + `KpiStatGrid` + DataGrid | https://reui.io/preview/base/form-7 · https://reui.io/preview/base/stats-12 · https://reui.io/preview/base/data-grid-filtering-2 · https://reui.io/preview/base/empty-state-2 |
 
 ## Kit API (`reui-kit/`)
 
 | Component | Role |
 |-----------|------|
 | `ResourcePage` | Frame + line tabs + Filters + DataGrid |
-| `KpiStatGrid` | stats-12 KPI tiles |
+| `KpiStatGrid` | horizontal compact hybrid KPI tiles (`variant`, Badge) |
+| `QuickActionGrid` | KPI-like quick action tiles under KPI (gated by `ui_show_quick_actions`) |
 | `OpsDashboard` | KPI + charts + attention queue |
 | `SettingsShell` | settings nav + Outlet |
 | `DetailPanel` | detail Frame sections |
 | `filter-utils` | apply/clear ReUI Filters |
 
+## Dashboard layout
+
+| App | Section order |
+|-----|---------------|
+| EvoBGP / CFDM | KPI → **QuickActionGrid** → charts / rest |
+| vps-tracker | banner → KPI → charts → attention → **QuickActionGrid** → CSV |
+
+Gating: KV `ui_show_quick_actions` in `global_settings` via `PATCH /v1/settings` (default `true`).
+
+## Shared App Shell chrome
+
+Эталон: **EvoBGP** production [`apps/web/src/components/layout/app-shell.tsx`](../apps/web/src/components/layout/app-shell.tsx) + ReUI [app-shell-12](https://reui.io/preview/base/app-shell-12).
+
+При переключении между vps-tracker / CFDM / EvoBGP меняются **только** sidebar nav labels/hrefs и `main` content. Разметка, ширина, фон и hover chrome идентичны.
+
+| Токен / зона | Значение |
+|--------------|----------|
+| `SIDEBAR_WIDTH` / `--sidebar-width` | `240px` (в `packages/ui` sidebar + Provider style) |
+| Sidebar / hover colors | theme `--sidebar` / `--sidebar-accent` из `globals.css` — **без** AppShell `color-mix` override |
+| Header | `h-12`, `sticky`, `border-b`, `px-4 md:px-6` |
+| Header left | `SidebarTrigger` + `Separator` + Breadcrumb |
+| Header right | **AppsMenu** → **SystemMonitorPopover** → **ModeToggle** (без Search в chrome) |
+| Sidebar | AppSwitcher → groups (`SidebarGroupContent`) → icons `size-4` → **пустой** `SidebarFooter` |
+| `main` | `gap-4 md:gap-6`, `px-4 py-4 md:px-6 md:py-5` |
+| Search | hotkey ⌘K / Ctrl+K only (не кнопка в header) |
+
+Запрещено в chrome: `SidebarRail`, `NavUser` footer, sync-row footer, Search/Ctrl+K pill в header, issues Badge в header, muted/hover cascade на right-cluster, Provider `color-mix` для `--sidebar*`.
+
+App Switcher ids: `vps-tracker` · `cfdm` · `evobgp`. Override: `VITE_APP_SWITCHER` JSON.
+
+QuickActionGrid icons: только semantic **text** (`text-info` / `text-primary` / …) на kit `bg-muted` — без solid `bg-primary` fills. Preview: [stats-12](https://reui.io/preview/base/stats-12).
+
+## System monitor
+
+`SystemMonitorPopover` in app-shell header next to `ModeToggle` (после AppsMenu). Preview: https://reui.io/preview/base/app-shell-12 · https://reui.io/preview/base/app-shell-7
+
 ## MCP workflow
 
 1. MCP `user-reui` — `search` / `get_block` / `get_component` with `surface: "frame"`
@@ -49,7 +87,7 @@ Primitives: MCP `plugin-shadcn-shadcn` + `@evobgp/ui`.
 
 ## Spacing
 
-- Main: `gap-4 md:gap-6`, `px-4 md:px-6`
+- AppShell main: `gap-4 md:gap-6`, `px-4 py-4 md:px-6 md:py-5` (shared chrome)
 - No `space-y-*` / `space-x-*` — use `flex` + `gap-*`
 - Max 1 primary CTA per screen
 - Semantic tokens only (`variant="success"|"info"|"warning"`) — no raw `bg-emerald-*`

internal/httpapi/routes.go

@@ -54,6 +54,7 @@ func (s *Server) registerRoutes() {
 
 func (s *Server) registerV1(m *http.ServeMux) {
 	m.HandleFunc("GET /modules", s.handleListModules)
+	m.HandleFunc("GET /lookup", s.handleLookup)
 	m.HandleFunc("GET /router-lists/catalog", s.handleRouterListsCatalog)
 	m.HandleFunc("GET /modules/{module_id}", s.handleGetModule)
 	m.HandleFunc("GET /peers", s.handleListPeers)

internal/httpapi/routes_lookup.go

@@ -0,0 +1,37 @@
+package httpapi
+
+import (
+	"errors"
+	"net/http"
+	"strings"
+
+	"evobgp/internal/lookup"
+	"evobgp/internal/store"
+)
+
+// handleLookup implements GET /v1/lookup?q= (operationId: lookupMembership).
+func (s *Server) handleLookup(w http.ResponseWriter, r *http.Request) {
+	a, ok := authFromContext(r.Context())
+	if !ok {
+		writeProblem(w, http.StatusUnauthorized, "Unauthorized", "missing auth")
+		return
+	}
+	if !s.requireAtLeast(w, a, "viewer") {
+		return
+	}
+	q := strings.TrimSpace(r.URL.Query().Get("q"))
+	if q == "" {
+		writeProblem(w, http.StatusBadRequest, "Bad Request", "query parameter q is required")
+		return
+	}
+	res, err := lookup.Lookup(s.store, a.TenantID, q)
+	if err != nil {
+		if errors.Is(err, store.ErrInvalidInput) {
+			writeProblem(w, http.StatusBadRequest, "Bad Request", "query must be an IP address or FQDN")
+			return
+		}
+		writeStoreErr(w, err)
+		return
+	}
+	writeJSON(w, http.StatusOK, res)
+}

internal/httpapi/routes_lookup_test.go

@@ -0,0 +1,79 @@
+package httpapi
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"testing"
+
+	"evobgp/internal/store"
+)
+
+func TestLookupMembershipHTTP(t *testing.T) {
+	srv, err := New(Options{InsecureDev: true, SeedDemo: true, BundleSeedHex: testBundleSeed})
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer srv.Close()
+	tenant, _, modIP, _, _ := srv.Store().DemoIDs()
+	mustSetTestAPIKeys(t, srv, "edkey|"+tenant+"|editor")
+
+	comms, err := srv.Store().ListCommunities(tenant)
+	if err != nil || len(comms) == 0 {
+		t.Fatal("demo community")
+	}
+	cid := comms[0].ID
+	if _, err := srv.Store().CreateIPRangeEntry(tenant, modIP, &store.IPRangeEntry{
+		Prefix:      "198.51.100.0/24",
+		CommunityID: &cid,
+	}); err != nil {
+		t.Fatal(err)
+	}
+	if err := srv.Store().SetModulePrefixSnapshot(tenant, modIP, "t", []store.PrefixRow{
+		{Prefix: "198.51.100.0/24", CommunityID: &cid, Source: "ip_range"},
+	}); err != nil {
+		t.Fatal(err)
+	}
+
+	ts := httptest.NewServer(srv.Handler())
+	defer ts.Close()
+
+	req, _ := http.NewRequest(http.MethodGet, ts.URL+"/v1/lookup?q="+url.QueryEscape("198.51.100.7"), nil)
+	req.Header.Set("Authorization", "Bearer edkey")
+	resp, err := ts.Client().Do(req)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() { _ = resp.Body.Close() }()
+	if resp.StatusCode != http.StatusOK {
+		b, _ := io.ReadAll(resp.Body)
+		t.Fatalf("status %d: %s", resp.StatusCode, b)
+	}
+	var body struct {
+		Matched    bool   `json:"matched"`
+		MatchCount int    `json:"match_count"`
+		QueryKind  string `json:"query_kind"`
+		Matches    []struct {
+			Layer string `json:"layer"`
+		} `json:"matches"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&body); err != nil {
+		t.Fatal(err)
+	}
+	if !body.Matched || body.QueryKind != "ip" || body.MatchCount < 2 {
+		t.Fatalf("unexpected body: %+v", body)
+	}
+
+	reqBad, _ := http.NewRequest(http.MethodGet, ts.URL+"/v1/lookup?q=", nil)
+	reqBad.Header.Set("Authorization", "Bearer edkey")
+	respBad, err := ts.Client().Do(reqBad)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() { _ = respBad.Body.Close() }()
+	if respBad.StatusCode != http.StatusBadRequest {
+		t.Fatalf("empty q: status %d", respBad.StatusCode)
+	}
+}

internal/lookup/lookup.go

@@ -0,0 +1,290 @@
+// Package lookup implements dual-layer membership checks for IP addresses and FQDNs
+// against module entries and materialized prefix snapshots.
+package lookup
+
+import (
+	"fmt"
+	"net/netip"
+	"strings"
+	"unicode"
+
+	"evobgp/internal/store"
+)
+
+// QueryKind is the normalized kind of a lookup query.
+type QueryKind string
+
+const (
+	KindIP     QueryKind = "ip"
+	KindDomain QueryKind = "domain"
+)
+
+// Layer identifies which data source produced a match.
+type Layer string
+
+const (
+	LayerEntry    Layer = "entry"
+	LayerSnapshot Layer = "snapshot"
+)
+
+// MatchKind is the concrete match type within a layer.
+type MatchKind string
+
+const (
+	MatchIPRange MatchKind = "ip_range"
+	MatchDomain  MatchKind = "domain"
+	MatchPrefix  MatchKind = "prefix"
+)
+
+// Match is one membership hit (entry or snapshot) with resolved community fields.
+type Match struct {
+	Layer          Layer     `json:"layer"`
+	ModuleID       string    `json:"module_id"`
+	ModuleName     string    `json:"module_name"`
+	ModuleType     string    `json:"module_type"`
+	MatchKind      MatchKind `json:"match_kind"`
+	MatchedValue   string    `json:"matched_value"`
+	EntryID        string    `json:"entry_id,omitempty"`
+	Source         string    `json:"source,omitempty"`
+	CommunityID    *string   `json:"community_id,omitempty"`
+	Community      string    `json:"community,omitempty"`
+	CommunityTitle string    `json:"community_title,omitempty"`
+}
+
+// Result is the full lookup response payload.
+type Result struct {
+	Query      string    `json:"query"`
+	QueryKind  QueryKind `json:"query_kind"`
+	Normalized string    `json:"normalized"`
+	Matched    bool      `json:"matched"`
+	MatchCount int       `json:"match_count"`
+	Matches    []Match   `json:"matches"`
+}
+
+// Lookup checks whether q (IP or FQDN) is present in tenant lists (entries + snapshots).
+func Lookup(st store.Backend, tenantID, q string) (*Result, error) {
+	raw := strings.TrimSpace(q)
+	if raw == "" {
+		return nil, fmt.Errorf("%w: empty query", store.ErrInvalidInput)
+	}
+
+	comms, err := st.ListCommunities(tenantID)
+	if err != nil {
+		return nil, err
+	}
+	commByID := make(map[string]*store.Community, len(comms))
+	for _, c := range comms {
+		if c != nil {
+			commByID[c.ID] = c
+		}
+	}
+
+	out := &Result{
+		Query:   raw,
+		Matches: make([]Match, 0),
+	}
+
+	if addr, err := netip.ParseAddr(raw); err == nil {
+		out.QueryKind = KindIP
+		out.Normalized = addr.String()
+		if err := lookupIP(st, tenantID, addr, out, commByID); err != nil {
+			return nil, err
+		}
+	} else {
+		fqdn, ok := normalizeFQDN(raw)
+		if !ok {
+			return nil, fmt.Errorf("%w: query must be an IP address or FQDN", store.ErrInvalidInput)
+		}
+		out.QueryKind = KindDomain
+		out.Normalized = fqdn
+		if err := lookupDomain(st, tenantID, fqdn, out, commByID); err != nil {
+			return nil, err
+		}
+	}
+
+	out.MatchCount = len(out.Matches)
+	out.Matched = out.MatchCount > 0
+	return out, nil
+}
+
+func lookupIP(st store.Backend, tenantID string, addr netip.Addr, out *Result, commByID map[string]*store.Community) error {
+	for _, mod := range st.ListModules(tenantID) {
+		if mod == nil {
+			continue
+		}
+		if mod.Type == "IP_RANGES" {
+			entries, err := st.ListIPRangeEntries(tenantID, mod.ID)
+			if err != nil {
+				return err
+			}
+			for _, e := range entries {
+				if e == nil {
+					continue
+				}
+				pfx, err := netip.ParsePrefix(strings.TrimSpace(e.Prefix))
+				if err != nil {
+					continue
+				}
+				if !pfx.Contains(addr) {
+					continue
+				}
+				out.Matches = append(out.Matches, decorateMatch(Match{
+					Layer:        LayerEntry,
+					ModuleID:     mod.ID,
+					ModuleName:   mod.Name,
+					ModuleType:   mod.Type,
+					MatchKind:    MatchIPRange,
+					MatchedValue: e.Prefix,
+					EntryID:      e.ID,
+					CommunityID:  resolveCommunityID(e.CommunityID, mod.DefaultCommunityID),
+				}, commByID))
+			}
+		}
+
+		snap, ok, err := st.GetModulePrefixSnapshot(tenantID, mod.ID)
+		if err != nil {
+			return err
+		}
+		if !ok || snap == nil {
+			continue
+		}
+		for _, row := range snap.Prefixes {
+			pfx, err := netip.ParsePrefix(strings.TrimSpace(row.Prefix))
+			if err != nil {
+				continue
+			}
+			if !pfx.Contains(addr) {
+				continue
+			}
+			out.Matches = append(out.Matches, decorateMatch(Match{
+				Layer:        LayerSnapshot,
+				ModuleID:     mod.ID,
+				ModuleName:   mod.Name,
+				ModuleType:   mod.Type,
+				MatchKind:    MatchPrefix,
+				MatchedValue: row.Prefix,
+				Source:       row.Source,
+				CommunityID:  row.CommunityID,
+			}, commByID))
+		}
+	}
+	return nil
+}
+
+func lookupDomain(st store.Backend, tenantID, fqdn string, out *Result, commByID map[string]*store.Community) error {
+	matchedModuleIDs := make(map[string]*store.Module)
+
+	for _, mod := range st.ListModules(tenantID) {
+		if mod == nil || mod.Type != "DOMAINS" {
+			continue
+		}
+		entries, err := st.ListDomainEntries(tenantID, mod.ID)
+		if err != nil {
+			return err
+		}
+		for _, e := range entries {
+			if e == nil {
+				continue
+			}
+			norm, ok := normalizeFQDN(e.FQDN)
+			if !ok || norm != fqdn {
+				continue
+			}
+			matchedModuleIDs[mod.ID] = mod
+			out.Matches = append(out.Matches, decorateMatch(Match{
+				Layer:        LayerEntry,
+				ModuleID:     mod.ID,
+				ModuleName:   mod.Name,
+				ModuleType:   mod.Type,
+				MatchKind:    MatchDomain,
+				MatchedValue: e.FQDN,
+				EntryID:      e.ID,
+				CommunityID:  resolveCommunityID(e.CommunityID, mod.DefaultCommunityID),
+			}, commByID))
+		}
+	}
+
+	for mid, mod := range matchedModuleIDs {
+		snap, ok, err := st.GetModulePrefixSnapshot(tenantID, mid)
+		if err != nil {
+			return err
+		}
+		if !ok || snap == nil {
+			continue
+		}
+		for _, row := range snap.Prefixes {
+			if !strings.EqualFold(strings.TrimSpace(row.Source), "domain") {
+				continue
+			}
+			out.Matches = append(out.Matches, decorateMatch(Match{
+				Layer:        LayerSnapshot,
+				ModuleID:     mod.ID,
+				ModuleName:   mod.Name,
+				ModuleType:   mod.Type,
+				MatchKind:    MatchPrefix,
+				MatchedValue: row.Prefix,
+				Source:       row.Source,
+				CommunityID:  row.CommunityID,
+			}, commByID))
+		}
+	}
+	return nil
+}
+
+func resolveCommunityID(entryID, defaultID *string) *string {
+	if entryID != nil && strings.TrimSpace(*entryID) != "" {
+		return entryID
+	}
+	if defaultID != nil && strings.TrimSpace(*defaultID) != "" {
+		return defaultID
+	}
+	return nil
+}
+
+func decorateMatch(m Match, commByID map[string]*store.Community) Match {
+	if m.CommunityID == nil {
+		return m
+	}
+	c, ok := commByID[*m.CommunityID]
+	if !ok || c == nil {
+		return m
+	}
+	m.Community = c.Community
+	m.CommunityTitle = c.Title
+	return m
+}
+
+// normalizeFQDN lowercases, trims trailing dots, and validates a simple hostname shape.
+func normalizeFQDN(s string) (string, bool) {
+	s = strings.TrimSpace(s)
+	s = strings.TrimSuffix(s, ".")
+	s = strings.ToLower(s)
+	if s == "" || len(s) > 253 {
+		return "", false
+	}
+	if strings.ContainsAny(s, " /\\\t\n") {
+		return "", false
+	}
+	if _, err := netip.ParseAddr(s); err == nil {
+		return "", false
+	}
+	labels := strings.Split(s, ".")
+	if len(labels) < 2 {
+		return "", false
+	}
+	for _, label := range labels {
+		if label == "" || len(label) > 63 {
+			return "", false
+		}
+		if label[0] == '-' || label[len(label)-1] == '-' {
+			return "", false
+		}
+		for _, r := range label {
+			if unicode.IsLetter(r) || unicode.IsDigit(r) || r == '-' {
+				continue
+			}
+			return "", false
+		}
+	}
+	return s, true
+}

internal/lookup/lookup_test.go

@@ -0,0 +1,206 @@
+package lookup
+
+import (
+	"errors"
+	"testing"
+
+	"evobgp/internal/store"
+)
+
+func TestLookupIPEntryAndSnapshot(t *testing.T) {
+	m := store.NewMemory()
+	m.SeedDemo()
+	tenant, _, modIP, _, _ := m.DemoIDs()
+
+	cid := ""
+	comms, err := m.ListCommunities(tenant)
+	if err != nil || len(comms) == 0 {
+		t.Fatal("expected demo community")
+	}
+	cid = comms[0].ID
+
+	def := cid
+	if _, err := m.UpdateModule(tenant, modIP, &store.ModulePatch{DefaultCommunityID: &def}); err != nil {
+		t.Fatal(err)
+	}
+
+	entryComm := cid
+	e, err := m.CreateIPRangeEntry(tenant, modIP, &store.IPRangeEntry{
+		Prefix:      "203.0.113.0/24",
+		CommunityID: &entryComm,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if err := m.SetModulePrefixSnapshot(tenant, modIP, "hash1", []store.PrefixRow{
+		{Prefix: "203.0.113.0/24", CommunityID: &cid, Source: "ip_range"},
+	}); err != nil {
+		t.Fatal(err)
+	}
+
+	res, err := Lookup(m, tenant, "203.0.113.10")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if res.QueryKind != KindIP || res.Normalized != "203.0.113.10" {
+		t.Fatalf("kind/normalized: %+v", res)
+	}
+	if !res.Matched || res.MatchCount < 2 {
+		t.Fatalf("expected entry+snapshot matches, got %+v", res)
+	}
+
+	var entryHit, snapHit bool
+	for _, hit := range res.Matches {
+		if hit.Layer == LayerEntry && hit.EntryID == e.ID {
+			entryHit = true
+			if hit.Community != "demo-comm" || hit.CommunityTitle != "Demo" {
+				t.Fatalf("entry community: %+v", hit)
+			}
+		}
+		if hit.Layer == LayerSnapshot && hit.MatchedValue == "203.0.113.0/24" {
+			snapHit = true
+		}
+	}
+	if !entryHit || !snapHit {
+		t.Fatalf("missing layers entry=%v snap=%v matches=%+v", entryHit, snapHit, res.Matches)
+	}
+}
+
+func TestLookupIPCommunityFallback(t *testing.T) {
+	m := store.NewMemory()
+	m.SeedDemo()
+	tenant, _, modIP, _, _ := m.DemoIDs()
+	comms, _ := m.ListCommunities(tenant)
+	cid := comms[0].ID
+	if _, err := m.UpdateModule(tenant, modIP, &store.ModulePatch{DefaultCommunityID: &cid}); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := m.CreateIPRangeEntry(tenant, modIP, &store.IPRangeEntry{Prefix: "10.0.0.0/8"}); err != nil {
+		t.Fatal(err)
+	}
+
+	res, err := Lookup(m, tenant, "10.1.2.3")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !res.Matched {
+		t.Fatal("expected match")
+	}
+	found := false
+	for _, hit := range res.Matches {
+		if hit.Layer == LayerEntry {
+			found = true
+			if hit.CommunityID == nil || *hit.CommunityID != cid {
+				t.Fatalf("expected default community, got %+v", hit)
+			}
+			if hit.Community != "demo-comm" {
+				t.Fatalf("community value: %+v", hit)
+			}
+		}
+	}
+	if !found {
+		t.Fatal("no entry match")
+	}
+}
+
+func TestLookupDomainEntryAndSnapshot(t *testing.T) {
+	m := store.NewMemory()
+	m.SeedDemo()
+	tenant, _, _, _, _ := m.DemoIDs()
+
+	mod, err := m.CreateModule(tenant, &store.Module{
+		Type:    "DOMAINS",
+		Name:    "demo-domains",
+		Enabled: true,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	comms, _ := m.ListCommunities(tenant)
+	cid := comms[0].ID
+
+	e, err := m.CreateDomainEntry(tenant, mod.ID, &store.DomainEntry{
+		FQDN:        "Example.COM.",
+		CommunityID: &cid,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := m.SetModulePrefixSnapshot(tenant, mod.ID, "hash-d", []store.PrefixRow{
+		{Prefix: "198.51.100.1/32", CommunityID: &cid, Source: "domain"},
+		{Prefix: "203.0.113.9/32", CommunityID: &cid, Source: "other"},
+	}); err != nil {
+		t.Fatal(err)
+	}
+
+	res, err := Lookup(m, tenant, "example.com")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if res.QueryKind != KindDomain || res.Normalized != "example.com" {
+		t.Fatalf("kind/normalized: %+v", res)
+	}
+	if !res.Matched {
+		t.Fatal("expected match")
+	}
+
+	var entryHit, snapHit, otherSnap bool
+	for _, hit := range res.Matches {
+		if hit.Layer == LayerEntry && hit.EntryID == e.ID {
+			entryHit = true
+		}
+		if hit.Layer == LayerSnapshot && hit.MatchedValue == "198.51.100.1/32" {
+			snapHit = true
+		}
+		if hit.MatchedValue == "203.0.113.9/32" {
+			otherSnap = true
+		}
+	}
+	if !entryHit || !snapHit {
+		t.Fatalf("entry=%v snap=%v matches=%+v", entryHit, snapHit, res.Matches)
+	}
+	if otherSnap {
+		t.Fatal("non-domain snapshot source should be excluded")
+	}
+}
+
+func TestLookupNoMatch(t *testing.T) {
+	m := store.NewMemory()
+	m.SeedDemo()
+	tenant, _, _, _, _ := m.DemoIDs()
+
+	res, err := Lookup(m, tenant, "192.0.2.1")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if res.Matched || res.MatchCount != 0 || len(res.Matches) != 0 {
+		t.Fatalf("expected empty: %+v", res)
+	}
+}
+
+func TestLookupInvalid(t *testing.T) {
+	m := store.NewMemory()
+	m.SeedDemo()
+	tenant, _, _, _, _ := m.DemoIDs()
+
+	_, err := Lookup(m, tenant, "")
+	if !errors.Is(err, store.ErrInvalidInput) {
+		t.Fatalf("empty: %v", err)
+	}
+	_, err = Lookup(m, tenant, "not a host")
+	if !errors.Is(err, store.ErrInvalidInput) {
+		t.Fatalf("spaces: %v", err)
+	}
+	_, err = Lookup(m, tenant, "localhost")
+	if !errors.Is(err, store.ErrInvalidInput) {
+		t.Fatalf("single label: %v", err)
+	}
+}
+
+func TestNormalizeFQDN(t *testing.T) {
+	got, ok := normalizeFQDN(" Example.COM. ")
+	if !ok || got != "example.com" {
+		t.Fatalf("got %q ok=%v", got, ok)
+	}
+}

packages/ui/src/components/sidebar.tsx

@@ -25,7 +25,7 @@ import { PanelLeftIcon } from "lucide-react"
 
 const SIDEBAR_COOKIE_NAME = "sidebar_state"
 const SIDEBAR_COOKIE_MAX_AGE = 60 * 60 * 24 * 7
-const SIDEBAR_WIDTH = "16rem"
+const SIDEBAR_WIDTH = "240px"
 const SIDEBAR_WIDTH_MOBILE = "18rem"
 const SIDEBAR_WIDTH_ICON = "3rem"
 const SIDEBAR_KEYBOARD_SHORTCUT = "b"