diff --git a/client/src/entities/catalog-slider/api/catalog-slider-api.ts b/client/src/entities/catalog-slider/api/catalog-slider-api.ts
new file mode 100644
index 0000000..1042b69
--- /dev/null
+++ b/client/src/entities/catalog-slider/api/catalog-slider-api.ts
@@ -0,0 +1,28 @@
+import { apiClient } from '@/shared/api/client'
+
+export type CatalogSliderSlide = {
+  id: string
+  url: string
+  caption: string
+}
+
+export type AdminCatalogSliderSlide = CatalogSliderSlide & {
+  galleryImageId: string
+}
+
+export async function fetchCatalogSlider(): Promise<{ slides: CatalogSliderSlide[] }> {
+  const { data } = await apiClient.get<{ slides: CatalogSliderSlide[] }>('catalog-slider')
+  return data
+}
+
+export async function fetchAdminCatalogSlider(): Promise<{ slides: AdminCatalogSliderSlide[] }> {
+  const { data } = await apiClient.get<{ slides: AdminCatalogSliderSlide[] }>('admin/catalog-slider')
+  return data
+}
+
+export async function putAdminCatalogSlider(body: {
+  slides: Array<{ galleryImageId: string; caption: string }>
+}): Promise<{ slides: AdminCatalogSliderSlide[] }> {
+  const { data } = await apiClient.put<{ slides: AdminCatalogSliderSlide[] }>('admin/catalog-slider', body)
+  return data
+}
diff --git a/client/src/entities/product/api/product-api.ts b/client/src/entities/product/api/product-api.ts
index b082713..43ee36a 100644
--- a/client/src/entities/product/api/product-api.ts
+++ b/client/src/entities/product/api/product-api.ts
@@ -62,7 +62,8 @@ export async function createProduct(body: {
   published: boolean
   inStock?: boolean
   leadTimeDays?: number | null
-  categoryId: string
+  /** Пустая строка / отсутствует — категория «Не указано» на сервере */
+  categoryId?: string
 }): Promise<Product> {
   const { data } = await apiClient.post<Product>('admin/products', body)
   return data
@@ -83,7 +84,7 @@ export async function updateProduct(
     published: boolean
     inStock: boolean
     leadTimeDays: number | null
-    categoryId: string
+    categoryId?: string
   }>,
 ): Promise<Product> {
   const { data } = await apiClient.patch<Product>(`admin/products/${id}`, body)
@@ -99,6 +100,23 @@ export async function createCategory(body: { name: string; slug?: string; sort?:
   return data
 }
 
+export async function fetchAdminCategories(): Promise<Category[]> {
+  const { data } = await apiClient.get<{ items: Category[] }>('admin/categories')
+  return data.items
+}
+
+export async function updateAdminCategory(
+  id: string,
+  body: Partial<{ name: string; slug: string; sort: number }>,
+): Promise<Category> {
+  const { data } = await apiClient.patch<Category>(`admin/categories/${id}`, body)
+  return data
+}
+
+export async function deleteAdminCategory(id: string): Promise<void> {
+  await apiClient.delete(`admin/categories/${id}`)
+}
+
 /** FormData: не задавать Content-Type вручную (boundary задаёт браузер). */
 export async function uploadAdminProductImages(files: FileList | readonly File[]): Promise<string[]> {
   const fd = new FormData()
diff --git a/client/src/pages/admin-gallery/ui/AdminGalleryPage.tsx b/client/src/pages/admin-gallery/ui/AdminGalleryPage.tsx
index 08b87fb..93ce407 100644
--- a/client/src/pages/admin-gallery/ui/AdminGalleryPage.tsx
+++ b/client/src/pages/admin-gallery/ui/AdminGalleryPage.tsx
@@ -2,19 +2,27 @@ import { useRef } from 'react'
 import DeleteOutlineOutlinedIcon from '@mui/icons-material/DeleteOutlineOutlined'
 import Box from '@mui/material/Box'
 import Button from '@mui/material/Button'
+import Divider from '@mui/material/Divider'
 import IconButton from '@mui/material/IconButton'
 import Stack from '@mui/material/Stack'
 import Tooltip from '@mui/material/Tooltip'
 import Typography from '@mui/material/Typography'
 import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query'
+import { fetchAdminCatalogSlider } from '@/entities/catalog-slider/api/catalog-slider-api'
 import { deleteGalleryImage, fetchAdminGallery } from '@/entities/gallery/api/gallery-api'
 import { uploadAdminProductImages } from '@/entities/product/api/product-api'
 import { invalidateQueryKeys } from '@/shared/lib/invalidate-query-keys'
+import { GallerySliderSection } from './GallerySliderSection'
 
 export function AdminGalleryPage() {
   const queryClient = useQueryClient()
   const fileInputRef = useRef<HTMLInputElement>(null)
 
+  const sliderQuery = useQuery({
+    queryKey: ['admin', 'catalog-slider'],
+    queryFn: fetchAdminCatalogSlider,
+  })
+
   const galleryQuery = useQuery({
     queryKey: ['admin', 'gallery'],
     queryFn: fetchAdminGallery,
@@ -33,7 +41,7 @@ export function AdminGalleryPage() {
   const deleteMut = useMutation({
     mutationFn: (id: string) => deleteGalleryImage(id),
     onSuccess: () => {
-      void invalidateQueryKeys(queryClient, [['admin', 'gallery']])
+      void invalidateQueryKeys(queryClient, [['admin', 'gallery'], ['admin', 'catalog-slider'], ['catalog-slider']])
     },
   })
 
@@ -49,6 +57,29 @@ export function AdminGalleryPage() {
         галереи». Удаление из списка стирает файл с диска, если оно не используется в товаре.
       </Typography>
 
+      {sliderQuery.isError && (
+        <Typography color="error" sx={{ mb: 2 }}>
+          Не удалось загрузить настройки слайдера.
+        </Typography>
+      )}
+      {sliderQuery.isLoading && (
+        <Typography color="text.secondary" sx={{ mb: 2 }}>
+          Загрузка настроек слайдера…
+        </Typography>
+      )}
+      {sliderQuery.isSuccess && (
+        <GallerySliderSection
+          key={sliderQuery.dataUpdatedAt}
+          initialSlides={sliderQuery.data.slides.map((s) => ({
+            galleryImageId: s.galleryImageId,
+            caption: s.caption,
+          }))}
+          galleryItems={items}
+        />
+      )}
+
+      <Divider sx={{ mb: 3 }} />
+
       <Stack direction="row" spacing={2} sx={{ mb: 3, alignItems: 'center', flexWrap: 'wrap' }}>
         <Button variant="contained" component="label" disabled={uploadMut.isPending}>
           Загрузить файлы
diff --git a/client/src/pages/admin-gallery/ui/GallerySliderSection.tsx b/client/src/pages/admin-gallery/ui/GallerySliderSection.tsx
new file mode 100644
index 0000000..113563b
--- /dev/null
+++ b/client/src/pages/admin-gallery/ui/GallerySliderSection.tsx
@@ -0,0 +1,190 @@
+import { useState } from 'react'
+import ArrowDownwardIcon from '@mui/icons-material/ArrowDownward'
+import ArrowUpwardIcon from '@mui/icons-material/ArrowUpward'
+import DeleteOutlineOutlinedIcon from '@mui/icons-material/DeleteOutlineOutlined'
+import Box from '@mui/material/Box'
+import Button from '@mui/material/Button'
+import Dialog from '@mui/material/Dialog'
+import DialogActions from '@mui/material/DialogActions'
+import DialogContent from '@mui/material/DialogContent'
+import DialogTitle from '@mui/material/DialogTitle'
+import IconButton from '@mui/material/IconButton'
+import Paper from '@mui/material/Paper'
+import Stack from '@mui/material/Stack'
+import TextField from '@mui/material/TextField'
+import Typography from '@mui/material/Typography'
+import { useMutation, useQueryClient } from '@tanstack/react-query'
+import { putAdminCatalogSlider } from '@/entities/catalog-slider/api/catalog-slider-api'
+import type { GalleryImageItem } from '@/entities/gallery/model/types'
+import { invalidateQueryKeys } from '@/shared/lib/invalidate-query-keys'
+
+export type SlideDraft = { galleryImageId: string; caption: string }
+
+type Props = {
+  initialSlides: SlideDraft[]
+  galleryItems: GalleryImageItem[]
+}
+
+export function GallerySliderSection({ initialSlides, galleryItems }: Props) {
+  const queryClient = useQueryClient()
+  const [sliderDraft, setSliderDraft] = useState<SlideDraft[]>(initialSlides)
+  const [pickOpen, setPickOpen] = useState(false)
+
+  const usedIds = new Set(sliderDraft.map((s) => s.galleryImageId))
+  const pickCandidates = galleryItems.filter((i) => !usedIds.has(i.id))
+
+  const saveSliderMut = useMutation({
+    mutationFn: () => putAdminCatalogSlider({ slides: sliderDraft }),
+    onSuccess: async () => {
+      await invalidateQueryKeys(queryClient, [['admin', 'catalog-slider'], ['catalog-slider']])
+    },
+  })
+
+  const moveSlide = (idx: number, dir: -1 | 1) => {
+    const next = idx + dir
+    if (next < 0 || next >= sliderDraft.length) return
+    setSliderDraft((prev) => {
+      const copy = [...prev]
+      const t = copy[idx]!
+      copy[idx] = copy[next]!
+      copy[next] = t
+      return copy
+    })
+  }
+
+  return (
+    <>
+      <Paper variant="outlined" sx={{ p: 2, mb: 3, borderRadius: 2 }}>
+        <Typography variant="h6" gutterBottom>
+          Слайдер главной (каталог)
+        </Typography>
+        <Typography variant="body2" color="text.secondary" sx={{ mb: 2 }}>
+          Сначала загрузите фото в галерею ниже, затем добавьте слайды, укажите подписи и сохраните. Порядок строк =
+          порядок показа на витрине.
+        </Typography>
+
+        <Stack spacing={1.5} sx={{ mb: 2 }}>
+          {sliderDraft.map((row, idx) => {
+            const img = galleryItems.find((g) => g.id === row.galleryImageId)
+            return (
+              <Stack
+                key={`${row.galleryImageId}-${idx}`}
+                direction={{ xs: 'column', sm: 'row' }}
+                spacing={1.5}
+                sx={{ alignItems: { sm: 'flex-start' } }}
+              >
+                <Box
+                  sx={{
+                    width: 100,
+                    height: 100,
+                    flexShrink: 0,
+                    borderRadius: 1,
+                    overflow: 'hidden',
+                    border: 1,
+                    borderColor: 'divider',
+                  }}
+                >
+                  <Box
+                    component="img"
+                    src={img?.url ?? ''}
+                    alt=""
+                    sx={{ width: '100%', height: '100%', objectFit: 'cover', display: 'block' }}
+                  />
+                </Box>
+                <TextField
+                  label="Подпись на слайде"
+                  fullWidth
+                  multiline
+                  minRows={2}
+                  value={row.caption}
+                  onChange={(e) => {
+                    const v = e.target.value
+                    setSliderDraft((prev) => {
+                      const copy = [...prev]
+                      copy[idx] = { ...copy[idx]!, caption: v }
+                      return copy
+                    })
+                  }}
+                />
+                <Stack direction="row" spacing={0.5}>
+                  <IconButton size="small" aria-label="Выше" onClick={() => moveSlide(idx, -1)} disabled={idx === 0}>
+                    <ArrowUpwardIcon fontSize="small" />
+                  </IconButton>
+                  <IconButton
+                    size="small"
+                    aria-label="Ниже"
+                    onClick={() => moveSlide(idx, 1)}
+                    disabled={idx >= sliderDraft.length - 1}
+                  >
+                    <ArrowDownwardIcon fontSize="small" />
+                  </IconButton>
+                  <IconButton
+                    size="small"
+                    color="error"
+                    aria-label="Убрать из слайдера"
+                    onClick={() => setSliderDraft((prev) => prev.filter((_, i) => i !== idx))}
+                  >
+                    <DeleteOutlineOutlinedIcon fontSize="small" />
+                  </IconButton>
+                </Stack>
+              </Stack>
+            )
+          })}
+        </Stack>
+
+        <Stack direction="row" spacing={2} sx={{ flexWrap: 'wrap', alignItems: 'center' }}>
+          <Button variant="outlined" disabled={pickCandidates.length === 0} onClick={() => setPickOpen(true)}>
+            Добавить слайд из галереи
+          </Button>
+          <Button variant="contained" disabled={saveSliderMut.isPending} onClick={() => saveSliderMut.mutate()}>
+            Сохранить слайдер
+          </Button>
+          {saveSliderMut.isError && (
+            <Typography color="error">
+              {saveSliderMut.error instanceof Error ? saveSliderMut.error.message : 'Ошибка сохранения'}
+            </Typography>
+          )}
+        </Stack>
+      </Paper>
+
+      <Dialog open={pickOpen} onClose={() => setPickOpen(false)} fullWidth maxWidth="sm">
+        <DialogTitle>Выберите изображение</DialogTitle>
+        <DialogContent dividers>
+          {pickCandidates.length === 0 ? (
+            <Typography color="text.secondary">Нет доступных файлов (все уже в слайдере или галерея пуста).</Typography>
+          ) : (
+            <Box
+              sx={{
+                display: 'grid',
+                gridTemplateColumns: 'repeat(auto-fill, minmax(120px, 1fr))',
+                gap: 1.5,
+                pt: 1,
+              }}
+            >
+              {pickCandidates.map((item) => (
+                <Button
+                  key={item.id}
+                  sx={{ p: 0, minWidth: 0, display: 'block', borderRadius: 1, overflow: 'hidden' }}
+                  onClick={() => {
+                    setSliderDraft((prev) => [...prev, { galleryImageId: item.id, caption: '' }])
+                    setPickOpen(false)
+                  }}
+                >
+                  <Box
+                    component="img"
+                    src={item.url}
+                    alt=""
+                    sx={{ width: '100%', aspectRatio: '1', objectFit: 'cover', display: 'block' }}
+                  />
+                </Button>
+              ))}
+            </Box>
+          )}
+        </DialogContent>
+        <DialogActions>
+          <Button onClick={() => setPickOpen(false)}>Закрыть</Button>
+        </DialogActions>
+      </Dialog>
+    </>
+  )
+}
diff --git a/client/src/pages/admin-orders/ui/AdminOrdersPage.tsx b/client/src/pages/admin-orders/ui/AdminOrdersPage.tsx
index 748743a..05ed4ae 100644
--- a/client/src/pages/admin-orders/ui/AdminOrdersPage.tsx
+++ b/client/src/pages/admin-orders/ui/AdminOrdersPage.tsx
@@ -59,7 +59,7 @@ function DeliveryFeeAdjustmentForm({ orderId, deliveryFeeCents }: { orderId: str
         type="number"
         value={rub}
         onChange={(e) => setRub(e.target.value)}
-        inputProps={{ min: 0, step: 1 }}
+        slotProps={{ htmlInput: { min: 0, step: 1 } }}
         sx={{ width: { xs: '100%', sm: 200 } }}
       />
       <Button
diff --git a/client/src/pages/admin/ui/AdminPage.tsx b/client/src/pages/admin/ui/AdminPage.tsx
index 374c992..31b6849 100644
--- a/client/src/pages/admin/ui/AdminPage.tsx
+++ b/client/src/pages/admin/ui/AdminPage.tsx
@@ -21,6 +21,8 @@ import TableCell from '@mui/material/TableCell'
 import TableHead from '@mui/material/TableHead'
 import TableRow from '@mui/material/TableRow'
 import TextField from '@mui/material/TextField'
+import ToggleButton from '@mui/material/ToggleButton'
+import ToggleButtonGroup from '@mui/material/ToggleButtonGroup'
 import Typography from '@mui/material/Typography'
 import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query'
 import { Controller, useForm } from 'react-hook-form'
@@ -28,19 +30,24 @@ import { fetchAdminGallery } from '@/entities/gallery/api/gallery-api'
 import {
   createCategory,
   createProduct,
+  deleteAdminCategory,
   deleteProduct,
+  fetchAdminCategories,
   fetchAdminProducts,
   fetchCategories,
+  updateAdminCategory,
   updateProduct,
   uploadAdminProductImages,
 } from '@/entities/product/api/product-api'
-import type { Product } from '@/entities/product/model/types'
+import type { Category, Product } from '@/entities/product/model/types'
 import { formatPriceRub } from '@/shared/lib/format-price'
 import { getErrorMessage } from '@/shared/lib/get-error-message'
 import { invalidateQueryKeys } from '@/shared/lib/invalidate-query-keys'
 import { useEditDialogState } from '@/shared/lib/use-edit-dialog-state'
 import { EntityRowActions } from '@/shared/ui/EntityRowActions'
 
+const UNSPECIFIED_CATEGORY_SLUG = 'ne-ukazano'
+
 type FormState = {
   title: string
   slug: string
@@ -74,7 +81,11 @@ const emptyForm = (): FormState => ({
 export function AdminPage() {
   const queryClient = useQueryClient()
   const { dialogOpen, editing, openCreateDialog, openEditDialog, closeDialog } = useEditDialogState<Product>()
+  const [adminSection, setAdminSection] = useState<'products' | 'categories'>('products')
   const [catOpen, setCatOpen] = useState(false)
+  const [categoryEditOpen, setCategoryEditOpen] = useState(false)
+  const [editingCategory, setEditingCategory] = useState<Category | null>(null)
+  const [categoryDeleteTarget, setCategoryDeleteTarget] = useState<Category | null>(null)
   const [galleryPickOpen, setGalleryPickOpen] = useState(false)
   const [gallerySelectedUrls, setGallerySelectedUrls] = useState<Set<string>>(() => new Set())
 
@@ -89,7 +100,6 @@ export function AdminPage() {
   })
 
   const titleValue = productForm.watch('title')
-  const categoryIdValue = productForm.watch('categoryId')
   const inStockValue = productForm.watch('inStock')
 
   const categoriesQuery = useQuery({
@@ -108,6 +118,17 @@ export function AdminPage() {
     enabled: galleryPickOpen,
   })
 
+  const adminCategoriesQuery = useQuery({
+    queryKey: ['admin', 'categories'],
+    queryFn: fetchAdminCategories,
+    enabled: adminSection === 'categories',
+  })
+
+  const categoryEditForm = useForm<{ name: string; slug: string; sort: string }>({
+    defaultValues: { name: '', slug: '', sort: '0' },
+    mode: 'onChange',
+  })
+
   const openCreate = () => {
     productForm.reset(emptyForm())
     openCreateDialog()
@@ -228,12 +249,41 @@ export function AdminPage() {
       })
     },
     onSuccess: () => {
-      void invalidateQueryKeys(queryClient, [['categories']])
+      void invalidateQueryKeys(queryClient, [['categories'], ['admin', 'categories']])
       setCatOpen(false)
       categoryForm.reset({ name: '', slug: '' })
     },
   })
 
+  const updateCategoryMut = useMutation({
+    mutationFn: async () => {
+      if (!editingCategory) return
+      const v = categoryEditForm.getValues()
+      const payload: { name: string; slug?: string; sort: number } = {
+        name: v.name.trim(),
+        sort: Number(v.sort),
+      }
+      if (!Number.isFinite(payload.sort)) throw new Error('Некорректный порядок sort')
+      if (editingCategory.slug !== UNSPECIFIED_CATEGORY_SLUG) {
+        payload.slug = v.slug.trim()
+      }
+      return updateAdminCategory(editingCategory.id, payload)
+    },
+    onSuccess: () => {
+      void invalidateQueryKeys(queryClient, [['categories'], ['admin', 'categories'], ['admin', 'products']])
+      setCategoryEditOpen(false)
+      setEditingCategory(null)
+    },
+  })
+
+  const deleteCategoryMut = useMutation({
+    mutationFn: (id: string) => deleteAdminCategory(id),
+    onSuccess: () => {
+      void invalidateQueryKeys(queryClient, [['categories'], ['admin', 'categories'], ['admin', 'products']])
+      setCategoryDeleteTarget(null)
+    },
+  })
+
   const handleSubmit = () => {
     if (editing) updateMut.mutate()
     else createMut.mutate()
@@ -253,7 +303,23 @@ export function AdminPage() {
   })
 
   const mutationError =
-    createMut.error ?? updateMut.error ?? deleteMut.error ?? createCategoryMut.error ?? uploadImagesMut.error
+    createMut.error ??
+    updateMut.error ??
+    deleteMut.error ??
+    createCategoryMut.error ??
+    updateCategoryMut.error ??
+    deleteCategoryMut.error ??
+    uploadImagesMut.error
+
+  const openCategoryEdit = (c: Category) => {
+    setEditingCategory(c)
+    categoryEditForm.reset({
+      name: c.name,
+      slug: c.slug,
+      sort: String(c.sort),
+    })
+    setCategoryEditOpen(true)
+  }
 
   const removeImage = (url: string) => {
     const current = productForm.getValues('imageUrls')
@@ -297,16 +363,37 @@ export function AdminPage() {
       <Typography variant="body2" color="text.secondary" sx={{ mb: 2 }}>
         Управление товарами и категориями. Доступно пользователю с правами администратора.
       </Typography>
-      <Stack direction="row" spacing={2} sx={{ mb: 2 }}>
-        <Button variant="contained" onClick={openCreate}>
-          Новый товар
-        </Button>
-        <Button variant="outlined" onClick={() => setCatOpen(true)}>
-          Новая категория
-        </Button>
-      </Stack>
 
-      {productsQuery.isError && (
+      <ToggleButtonGroup
+        exclusive
+        value={adminSection}
+        onChange={(_, v) => {
+          if (v === 'products' || v === 'categories') setAdminSection(v)
+        }}
+        size="small"
+        sx={{ mb: 2 }}
+      >
+        <ToggleButton value="products">Товары</ToggleButton>
+        <ToggleButton value="categories">Категории</ToggleButton>
+      </ToggleButtonGroup>
+
+      {adminSection === 'products' && (
+        <Stack direction="row" spacing={2} sx={{ mb: 2 }}>
+          <Button variant="contained" onClick={openCreate}>
+            Новый товар
+          </Button>
+        </Stack>
+      )}
+
+      {adminSection === 'categories' && (
+        <Stack direction="row" spacing={2} sx={{ mb: 2 }}>
+          <Button variant="contained" onClick={() => setCatOpen(true)}>
+            Новая категория
+          </Button>
+        </Stack>
+      )}
+
+      {adminSection === 'products' && productsQuery.isError && (
         <Alert severity="error" sx={{ mb: 2 }}>
           Ошибка загрузки. Проверьте, что сервер запущен, и у вас есть права администратора.
         </Alert>
@@ -318,30 +405,67 @@ export function AdminPage() {
         </Alert>
       )}
 
-      <Table size="small">
-        <TableHead>
-          <TableRow>
-            <TableCell>Название</TableCell>
-            <TableCell>Категория</TableCell>
-            <TableCell>Цена</TableCell>
-            <TableCell>Витрина</TableCell>
-            <TableCell align="right">Действия</TableCell>
-          </TableRow>
-        </TableHead>
-        <TableBody>
-          {(productsQuery.data ?? []).map((p) => (
-            <TableRow key={p.id} hover>
-              <TableCell>{p.title}</TableCell>
-              <TableCell>{p.category?.name ?? '—'}</TableCell>
-              <TableCell>{formatPriceRub(p.priceCents)}</TableCell>
-              <TableCell>{p.published ? 'да' : 'нет'}</TableCell>
-              <TableCell align="right">
-                <EntityRowActions onEdit={() => openEdit(p)} onDelete={() => deleteMut.mutate(p.id)} />
-              </TableCell>
+      {adminSection === 'products' && (
+        <Table size="small">
+          <TableHead>
+            <TableRow>
+              <TableCell>Название</TableCell>
+              <TableCell>Категория</TableCell>
+              <TableCell>Цена</TableCell>
+              <TableCell>Витрина</TableCell>
+              <TableCell align="right">Действия</TableCell>
             </TableRow>
-          ))}
-        </TableBody>
-      </Table>
+          </TableHead>
+          <TableBody>
+            {(productsQuery.data ?? []).map((p) => (
+              <TableRow key={p.id} hover>
+                <TableCell>{p.title}</TableCell>
+                <TableCell>{p.category?.name ?? '—'}</TableCell>
+                <TableCell>{formatPriceRub(p.priceCents)}</TableCell>
+                <TableCell>{p.published ? 'да' : 'нет'}</TableCell>
+                <TableCell align="right">
+                  <EntityRowActions onEdit={() => openEdit(p)} onDelete={() => deleteMut.mutate(p.id)} />
+                </TableCell>
+              </TableRow>
+            ))}
+          </TableBody>
+        </Table>
+      )}
+
+      {adminSection === 'categories' && (
+        <>
+          {adminCategoriesQuery.isError && (
+            <Alert severity="error" sx={{ mb: 2 }}>
+              Не удалось загрузить категории.
+            </Alert>
+          )}
+          <Table size="small">
+            <TableHead>
+              <TableRow>
+                <TableCell>Название</TableCell>
+                <TableCell>Slug</TableCell>
+                <TableCell>Порядок</TableCell>
+                <TableCell align="right">Действия</TableCell>
+              </TableRow>
+            </TableHead>
+            <TableBody>
+              {(adminCategoriesQuery.data ?? []).map((c) => (
+                <TableRow key={c.id} hover>
+                  <TableCell>{c.name}</TableCell>
+                  <TableCell>{c.slug}</TableCell>
+                  <TableCell>{c.sort}</TableCell>
+                  <TableCell align="right">
+                    <EntityRowActions
+                      onEdit={() => openCategoryEdit(c)}
+                      onDelete={c.slug === UNSPECIFIED_CATEGORY_SLUG ? undefined : () => setCategoryDeleteTarget(c)}
+                    />
+                  </TableCell>
+                </TableRow>
+              ))}
+            </TableBody>
+          </Table>
+        </>
+      )}
 
       <Dialog open={dialogOpen} onClose={closeDialog} fullWidth maxWidth="sm">
         <DialogTitle>{editing ? 'Редактировать товар' : 'Новый товар'}</DialogTitle>
@@ -500,9 +624,12 @@ export function AdminPage() {
               control={productForm.control}
               name="categoryId"
               render={({ field }) => (
-                <FormControl fullWidth required>
+                <FormControl fullWidth>
                   <InputLabel id="cat-label">Категория</InputLabel>
                   <Select labelId="cat-label" label="Категория" {...field}>
+                    <MenuItem value="">
+                      <em>Не указано</em>
+                    </MenuItem>
                     {(categoriesQuery.data ?? []).map((c) => (
                       <MenuItem key={c.id} value={c.id}>
                         {c.name}
@@ -546,7 +673,7 @@ export function AdminPage() {
           <Button
             variant="contained"
             onClick={handleSubmit}
-            disabled={!titleValue.trim() || !categoryIdValue || createMut.isPending || updateMut.isPending}
+            disabled={!titleValue.trim() || createMut.isPending || updateMut.isPending}
           >
             {editing ? 'Сохранить' : 'Создать'}
           </Button>
@@ -658,6 +785,105 @@ export function AdminPage() {
           </Button>
         </DialogActions>
       </Dialog>
+
+      <Dialog
+        open={categoryEditOpen}
+        onClose={() => {
+          setCategoryEditOpen(false)
+          setEditingCategory(null)
+        }}
+        fullWidth
+        maxWidth="xs"
+      >
+        <DialogTitle>Редактировать категорию</DialogTitle>
+        <DialogContent>
+          <Stack spacing={2} sx={{ mt: 1 }}>
+            <Controller
+              control={categoryEditForm.control}
+              name="name"
+              render={({ field }) => <TextField label="Название" fullWidth required {...field} />}
+            />
+            <Controller
+              control={categoryEditForm.control}
+              name="slug"
+              render={({ field }) => (
+                <TextField
+                  label="Slug"
+                  fullWidth
+                  {...field}
+                  disabled={editingCategory?.slug === UNSPECIFIED_CATEGORY_SLUG}
+                  helperText={
+                    editingCategory?.slug === UNSPECIFIED_CATEGORY_SLUG
+                      ? 'Служебный slug нельзя изменить'
+                      : 'Идентификатор в URL'
+                  }
+                />
+              )}
+            />
+            <Controller
+              control={categoryEditForm.control}
+              name="sort"
+              render={({ field }) => (
+                <TextField
+                  label="Порядок сортировки"
+                  fullWidth
+                  type="number"
+                  {...field}
+                  slotProps={{ htmlInput: { step: 1 } }}
+                />
+              )}
+            />
+          </Stack>
+        </DialogContent>
+        <DialogActions>
+          <Button
+            onClick={() => {
+              setCategoryEditOpen(false)
+              setEditingCategory(null)
+            }}
+          >
+            Отмена
+          </Button>
+          <Button
+            variant="contained"
+            disabled={!categoryEditForm.watch('name').trim() || updateCategoryMut.isPending || !editingCategory}
+            onClick={() => updateCategoryMut.mutate()}
+          >
+            Сохранить
+          </Button>
+        </DialogActions>
+      </Dialog>
+
+      <Dialog
+        open={Boolean(categoryDeleteTarget)}
+        onClose={() => setCategoryDeleteTarget(null)}
+        maxWidth="xs"
+        fullWidth
+      >
+        <DialogTitle>Удалить категорию?</DialogTitle>
+        <DialogContent>
+          <Typography variant="body2">
+            {categoryDeleteTarget && (
+              <>
+                Категория «{categoryDeleteTarget.name}» будет удалена. Все товары из неё получат категорию «Не указано».
+              </>
+            )}
+          </Typography>
+        </DialogContent>
+        <DialogActions>
+          <Button onClick={() => setCategoryDeleteTarget(null)}>Отмена</Button>
+          <Button
+            color="error"
+            variant="contained"
+            disabled={deleteCategoryMut.isPending}
+            onClick={() => {
+              if (categoryDeleteTarget) deleteCategoryMut.mutate(categoryDeleteTarget.id)
+            }}
+          >
+            Удалить
+          </Button>
+        </DialogActions>
+      </Dialog>
     </Box>
   )
 }
diff --git a/client/src/pages/home/ui/HomePage.tsx b/client/src/pages/home/ui/HomePage.tsx
index f0abd94..f2701cb 100644
--- a/client/src/pages/home/ui/HomePage.tsx
+++ b/client/src/pages/home/ui/HomePage.tsx
@@ -24,6 +24,7 @@ import { fetchCategories, fetchPublicProducts } from '@/entities/product/api/pro
 import { ProductCard } from '@/entities/product/ui/ProductCard'
 import { ToggleCartIcon } from '@/features/cart/toggle-cart-icon'
 import { $user } from '@/shared/model/auth'
+import { CatalogSlider } from '@/widgets/catalog-slider'
 import { ReviewsBlock } from '@/widgets/reviews-block'
 
 export function HomePage() {
@@ -114,6 +115,15 @@ export function HomePage() {
     [categorySlug, categoriesQuery.data],
   )
 
+  const categoriesForFilter = useMemo(() => {
+    const list = categoriesQuery.data ?? []
+    return [...list].sort((a, b) => {
+      if (a.slug === 'ne-ukazano') return 1
+      if (b.slug === 'ne-ukazano') return -1
+      return a.sort - b.sort || a.name.localeCompare(b.name, 'ru')
+    })
+  }, [categoriesQuery.data])
+
   const products = productsQuery.data?.items ?? []
   const total = productsQuery.data?.total ?? 0
   const totalPages = Math.max(1, Math.ceil(total / pageSize))
@@ -121,6 +131,8 @@ export function HomePage() {
 
   return (
     <Box>
+      <CatalogSlider />
+
       <Typography variant="h4" component="h1" gutterBottom>
         {title}
       </Typography>
@@ -146,7 +158,7 @@ export function HomePage() {
               <MenuItem value="">
                 <em>Все</em>
               </MenuItem>
-              {(categoriesQuery.data ?? []).map((c) => (
+              {categoriesForFilter.map((c) => (
                 <MenuItem key={c.id} value={c.slug}>
                   {c.name}
                 </MenuItem>
diff --git a/client/src/widgets/catalog-slider/index.ts b/client/src/widgets/catalog-slider/index.ts
new file mode 100644
index 0000000..b85129d
--- /dev/null
+++ b/client/src/widgets/catalog-slider/index.ts
@@ -0,0 +1 @@
+export { CatalogSlider } from './ui/CatalogSlider'
diff --git a/client/src/widgets/catalog-slider/ui/CatalogSlider.tsx b/client/src/widgets/catalog-slider/ui/CatalogSlider.tsx
new file mode 100644
index 0000000..1b55638
--- /dev/null
+++ b/client/src/widgets/catalog-slider/ui/CatalogSlider.tsx
@@ -0,0 +1,156 @@
+import { useEffect, useState } from 'react'
+import Box from '@mui/material/Box'
+import Paper from '@mui/material/Paper'
+import Stack from '@mui/material/Stack'
+import Typography from '@mui/material/Typography'
+import { useQuery } from '@tanstack/react-query'
+import type { CatalogSliderSlide } from '@/entities/catalog-slider/api/catalog-slider-api'
+import { fetchCatalogSlider } from '@/entities/catalog-slider/api/catalog-slider-api'
+
+const AUTO_MS = 5500
+
+function CatalogSliderInner({ slides }: { slides: CatalogSliderSlide[] }) {
+  const [index, setIndex] = useState(0)
+  const [paused, setPaused] = useState(false)
+
+  useEffect(() => {
+    if (paused || slides.length <= 1) return undefined
+    const id = window.setInterval(() => {
+      setIndex((i) => (i + 1) % slides.length)
+    }, AUTO_MS)
+    return () => window.clearInterval(id)
+  }, [paused, slides.length])
+
+  return (
+    <Paper
+      elevation={0}
+      variant="outlined"
+      sx={{
+        borderRadius: 2,
+        overflow: 'hidden',
+        position: 'relative',
+      }}
+      onMouseEnter={() => setPaused(true)}
+      onMouseLeave={() => setPaused(false)}
+    >
+      <Box
+        component="section"
+        aria-roledescription="carousel"
+        aria-label="Фотогалерея каталога"
+        aria-live={paused ? 'off' : 'polite'}
+        sx={{
+          position: 'relative',
+          width: '100%',
+          aspectRatio: { xs: '4/3', sm: '21/9' },
+          maxHeight: { xs: 320, sm: 400 },
+          bgcolor: 'action.hover',
+        }}
+      >
+        {slides.map((slide, i) => (
+          <Box
+            key={slide.id}
+            sx={{
+              position: 'absolute',
+              inset: 0,
+              opacity: i === index ? 1 : 0,
+              transition: 'opacity 0.75s ease-in-out',
+              pointerEvents: 'none',
+            }}
+          >
+            <Box
+              component="img"
+              src={slide.url}
+              alt=""
+              loading={i === 0 ? 'eager' : 'lazy'}
+              sx={{
+                width: '100%',
+                height: '100%',
+                objectFit: 'cover',
+                display: 'block',
+              }}
+            />
+            {slide.caption.trim() ? (
+              <Box
+                sx={{
+                  position: 'absolute',
+                  bottom: 0,
+                  left: 0,
+                  right: 0,
+                  px: 2,
+                  pt: 4,
+                  pb: slides.length > 1 ? 5 : 2,
+                  background: 'linear-gradient(to top, rgba(0,0,0,0.78) 0%, rgba(0,0,0,0.35) 55%, transparent 100%)',
+                }}
+              >
+                <Typography
+                  color="common.white"
+                  variant="subtitle1"
+                  sx={{ fontWeight: 700, textShadow: '0 1px 4px rgba(0,0,0,0.6)' }}
+                >
+                  {slide.caption.trim()}
+                </Typography>
+              </Box>
+            ) : null}
+          </Box>
+        ))}
+
+        {slides.length > 1 && (
+          <Stack
+            direction="row"
+            spacing={0.75}
+            sx={{
+              position: 'absolute',
+              bottom: 12,
+              left: '50%',
+              transform: 'translateX(-50%)',
+              zIndex: 2,
+              px: 1,
+              py: 0.5,
+              borderRadius: 2,
+              bgcolor: 'rgba(0,0,0,0.35)',
+            }}
+          >
+            {slides.map((slide, i) => (
+              <Box
+                key={slide.id}
+                component="button"
+                type="button"
+                aria-label={`Слайд ${i + 1} из ${slides.length}`}
+                aria-current={i === index ? 'true' : undefined}
+                onClick={() => setIndex(i)}
+                sx={{
+                  width: i === index ? 22 : 8,
+                  height: 8,
+                  p: 0,
+                  border: 'none',
+                  borderRadius: 99,
+                  bgcolor: i === index ? 'common.white' : 'rgba(255,255,255,0.45)',
+                  cursor: 'pointer',
+                  transition: 'width 0.25s, background-color 0.25s',
+                }}
+              />
+            ))}
+          </Stack>
+        )}
+      </Box>
+    </Paper>
+  )
+}
+
+export function CatalogSlider() {
+  const { data, isSuccess } = useQuery({
+    queryKey: ['catalog-slider'],
+    queryFn: fetchCatalogSlider,
+  })
+
+  const slides = data?.slides ?? []
+  const slideKey = slides.map((s) => s.id).join('|')
+
+  if (!isSuccess || slides.length === 0) return null
+
+  return (
+    <Box sx={{ width: '100%', mb: 3 }}>
+      <CatalogSliderInner key={slideKey} slides={slides} />
+    </Box>
+  )
+}
diff --git a/server/prisma/migrations/20260511150413_unspecified_category_restrict_and_slider/migration.sql b/server/prisma/migrations/20260511150413_unspecified_category_restrict_and_slider/migration.sql
new file mode 100644
index 0000000..daad59a
--- /dev/null
+++ b/server/prisma/migrations/20260511150413_unspecified_category_restrict_and_slider/migration.sql
@@ -0,0 +1,39 @@
+-- CreateTable
+CREATE TABLE "CatalogSliderSlide" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "sortOrder" INTEGER NOT NULL,
+    "caption" TEXT NOT NULL DEFAULT '',
+    "galleryImageId" TEXT NOT NULL,
+    CONSTRAINT "CatalogSliderSlide_galleryImageId_fkey" FOREIGN KEY ("galleryImageId") REFERENCES "GalleryImage" ("id") ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+-- RedefineTables
+PRAGMA defer_foreign_keys=ON;
+PRAGMA foreign_keys=OFF;
+CREATE TABLE "new_Product" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "title" TEXT NOT NULL,
+    "slug" TEXT NOT NULL,
+    "shortDescription" TEXT,
+    "description" TEXT,
+    "quantity" INTEGER NOT NULL DEFAULT 0,
+    "materials" TEXT NOT NULL DEFAULT '[]',
+    "priceCents" INTEGER NOT NULL,
+    "imageUrl" TEXT,
+    "published" BOOLEAN NOT NULL DEFAULT false,
+    "inStock" BOOLEAN NOT NULL DEFAULT true,
+    "leadTimeDays" INTEGER,
+    "categoryId" TEXT NOT NULL,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" DATETIME NOT NULL,
+    CONSTRAINT "Product_categoryId_fkey" FOREIGN KEY ("categoryId") REFERENCES "Category" ("id") ON DELETE RESTRICT ON UPDATE CASCADE
+);
+INSERT INTO "new_Product" ("categoryId", "createdAt", "description", "id", "imageUrl", "inStock", "leadTimeDays", "materials", "priceCents", "published", "quantity", "shortDescription", "slug", "title", "updatedAt") SELECT "categoryId", "createdAt", "description", "id", "imageUrl", "inStock", "leadTimeDays", "materials", "priceCents", "published", "quantity", "shortDescription", "slug", "title", "updatedAt" FROM "Product";
+DROP TABLE "Product";
+ALTER TABLE "new_Product" RENAME TO "Product";
+CREATE UNIQUE INDEX "Product_slug_key" ON "Product"("slug");
+PRAGMA foreign_keys=ON;
+PRAGMA defer_foreign_keys=OFF;
+
+-- CreateIndex
+CREATE INDEX "CatalogSliderSlide_sortOrder_idx" ON "CatalogSliderSlide"("sortOrder");
diff --git a/server/prisma/schema.prisma b/server/prisma/schema.prisma
index 1225559..4a05ab2 100644
--- a/server/prisma/schema.prisma
+++ b/server/prisma/schema.prisma
@@ -32,7 +32,7 @@ model Product {
   published   Boolean  @default(false)
   inStock     Boolean  @default(true)
   leadTimeDays Int?
-  category    Category @relation(fields: [categoryId], references: [id], onDelete: Cascade)
+  category    Category @relation(fields: [categoryId], references: [id], onDelete: Restrict)
   categoryId  String
   createdAt   DateTime @default(now())
   updatedAt   DateTime @updatedAt
@@ -60,6 +60,19 @@ model GalleryImage {
   id        String   @id @default(cuid())
   url       String   @unique
   createdAt DateTime @default(now())
+
+  catalogSliderSlides CatalogSliderSlide[]
+}
+
+/// Слайды главной витрины (каталог): картинка из галереи + подпись.
+model CatalogSliderSlide {
+  id             String       @id @default(cuid())
+  sortOrder      Int
+  caption        String       @default("")
+  galleryImageId String
+  galleryImage   GalleryImage @relation(fields: [galleryImageId], references: [id], onDelete: Cascade)
+
+  @@index([sortOrder])
 }
 
 model User {
diff --git a/server/src/index.js b/server/src/index.js
index 61ecf69..d60522d 100644
--- a/server/src/index.js
+++ b/server/src/index.js
@@ -6,6 +6,7 @@ import multipart from '@fastify/multipart'
 import fastifyStatic from '@fastify/static'
 import path from 'node:path'
 import { ensureAdminUser } from './lib/bootstrap-admin.js'
+import { getOrCreateUnspecifiedCategory } from './lib/default-category.js'
 import { getMaxUploadBodyBytes, getProductImageMaxFileBytes } from './lib/upload-limits.js'
 import { registerAuth } from './plugins/auth.js'
 import { registerApiRoutes } from './routes/api.js'
@@ -58,6 +59,7 @@ await registerAuthRoutes(fastify)
 await registerOAuthSocialRoutes(fastify)
 await registerApiRoutes(fastify)
 await ensureAdminUser()
+await getOrCreateUnspecifiedCategory()
 
 fastify.get('/health', async () => ({ ok: true }))
 
diff --git a/server/src/lib/default-category.js b/server/src/lib/default-category.js
new file mode 100644
index 0000000..bf80090
--- /dev/null
+++ b/server/src/lib/default-category.js
@@ -0,0 +1,20 @@
+import { prisma } from './prisma.js'
+
+/** Служебная категория для товаров без выбранной категории. Slug не менять. */
+export const UNSPECIFIED_CATEGORY_SLUG = 'ne-ukazano'
+
+export async function getOrCreateUnspecifiedCategory() {
+  return prisma.category.upsert({
+    where: { slug: UNSPECIFIED_CATEGORY_SLUG },
+    update: {},
+    create: {
+      name: 'Не указано',
+      slug: UNSPECIFIED_CATEGORY_SLUG,
+      sort: 9999,
+    },
+  })
+}
+
+export function isUnspecifiedCategorySlug(slug) {
+  return slug === UNSPECIFIED_CATEGORY_SLUG
+}
diff --git a/server/src/routes/api.js b/server/src/routes/api.js
index 121f5a4..35d0bbb 100644
--- a/server/src/routes/api.js
+++ b/server/src/routes/api.js
@@ -5,6 +5,7 @@ import {
 } from './api/_product-helpers.js'
 import { registerAdminGalleryRoutes } from './api/admin-gallery.js'
 import { registerAdminCategoryRoutes } from './api/admin-categories.js'
+import { registerCatalogSliderRoutes } from './api/catalog-slider.js'
 import { registerAdminOrderRoutes } from './api/admin-orders.js'
 import { registerAdminProductRoutes } from './api/admin-products.js'
 import { registerAdminReviewRoutes } from './api/admin-reviews.js'
@@ -17,6 +18,7 @@ export async function registerApiRoutes(fastify) {
   await registerPublicCatalogRoutes(fastify, { mapProductForApi })
   await registerPublicReviewRoutes(fastify)
   await registerInfoPageRoutes(fastify)
+  await registerCatalogSliderRoutes(fastify)
 
   await registerAdminProductRoutes(fastify, {
     slugify,
diff --git a/server/src/routes/api/admin-categories.js b/server/src/routes/api/admin-categories.js
index 997160e..022cfae 100644
--- a/server/src/routes/api/admin-categories.js
+++ b/server/src/routes/api/admin-categories.js
@@ -1,6 +1,22 @@
+import {
+  getOrCreateUnspecifiedCategory,
+  isUnspecifiedCategorySlug,
+  UNSPECIFIED_CATEGORY_SLUG,
+} from '../../lib/default-category.js'
 import { prisma } from '../../lib/prisma.js'
 
 export async function registerAdminCategoryRoutes(fastify, { slugify } = {}) {
+  fastify.get(
+    '/api/admin/categories',
+    { preHandler: [fastify.verifyAdmin] },
+    async () => {
+      const items = await prisma.category.findMany({
+        orderBy: [{ sort: 'asc' }, { name: 'asc' }],
+      })
+      return { items }
+    },
+  )
+
   fastify.post(
     '/api/admin/categories',
     { preHandler: [fastify.verifyAdmin] },
@@ -12,6 +28,10 @@ export async function registerAdminCategoryRoutes(fastify, { slugify } = {}) {
         return
       }
       const slug = String(body.slug ?? '').trim() || slugify(name) || `cat-${Date.now()}`
+      if (isUnspecifiedCategorySlug(slug)) {
+        reply.code(400).send({ error: `Slug «${UNSPECIFIED_CATEGORY_SLUG}» зарезервирован` })
+        return
+      }
       const sort = body.sort !== undefined && body.sort !== null && body.sort !== '' ? Number(body.sort) : undefined
       const exists = await prisma.category.findUnique({ where: { slug } })
       if (exists) {
@@ -28,5 +48,90 @@ export async function registerAdminCategoryRoutes(fastify, { slugify } = {}) {
       reply.code(201).send(category)
     },
   )
-}
 
+  fastify.patch(
+    '/api/admin/categories/:id',
+    { preHandler: [fastify.verifyAdmin] },
+    async (request, reply) => {
+      const { id } = request.params
+      const body = request.body ?? {}
+      const existing = await prisma.category.findUnique({ where: { id } })
+      if (!existing) {
+        reply.code(404).send({ error: 'Категория не найдена' })
+        return
+      }
+
+      const data = {}
+      if (body.name !== undefined) data.name = String(body.name ?? '').trim()
+      if (body.sort !== undefined) {
+        const s = Number(body.sort)
+        if (!Number.isFinite(s)) {
+          reply.code(400).send({ error: 'Некорректный sort' })
+          return
+        }
+        data.sort = Math.round(s)
+      }
+      if (body.slug !== undefined) {
+        const s = String(body.slug ?? '').trim()
+        if (isUnspecifiedCategorySlug(existing.slug) && s !== UNSPECIFIED_CATEGORY_SLUG) {
+          reply.code(400).send({ error: 'Нельзя сменить slug служебной категории «Не указано»' })
+          return
+        }
+        if (!s) {
+          reply.code(400).send({ error: 'Slug не может быть пустым' })
+          return
+        }
+        if (s !== existing.slug) {
+          if (isUnspecifiedCategorySlug(s)) {
+            reply.code(400).send({ error: `Slug «${UNSPECIFIED_CATEGORY_SLUG}» зарезервирован` })
+            return
+          }
+          const clash = await prisma.category.findFirst({ where: { slug: s, NOT: { id } } })
+          if (clash) {
+            reply.code(409).send({ error: 'Такой slug уже занят' })
+            return
+          }
+        }
+        data.slug = s
+      }
+
+      if (Object.keys(data).length === 0) {
+        return existing
+      }
+      if (data.name !== undefined && !data.name) {
+        reply.code(400).send({ error: 'Укажите название' })
+        return
+      }
+
+      const updated = await prisma.category.update({ where: { id }, data })
+      return updated
+    },
+  )
+
+  fastify.delete(
+    '/api/admin/categories/:id',
+    { preHandler: [fastify.verifyAdmin] },
+    async (request, reply) => {
+      const { id } = request.params
+      const existing = await prisma.category.findUnique({ where: { id } })
+      if (!existing) {
+        reply.code(404).send({ error: 'Категория не найдена' })
+        return
+      }
+      if (isUnspecifiedCategorySlug(existing.slug)) {
+        reply.code(409).send({ error: 'Служебную категорию «Не указано» нельзя удалить' })
+        return
+      }
+
+      const fallback = await getOrCreateUnspecifiedCategory()
+      await prisma.$transaction([
+        prisma.product.updateMany({
+          where: { categoryId: id },
+          data: { categoryId: fallback.id },
+        }),
+        prisma.category.delete({ where: { id } }),
+      ])
+      return reply.code(204).send()
+    },
+  )
+}
diff --git a/server/src/routes/api/admin-products.js b/server/src/routes/api/admin-products.js
index 7d7a824..87a8d82 100644
--- a/server/src/routes/api/admin-products.js
+++ b/server/src/routes/api/admin-products.js
@@ -1,3 +1,4 @@
+import { getOrCreateUnspecifiedCategory } from '../../lib/default-category.js'
 import { upsertGalleryImagesByUrls } from '../../lib/gallery.js'
 import { prisma } from '../../lib/prisma.js'
 import {
@@ -60,10 +61,15 @@ export async function registerAdminProductRoutes(
         return
       }
       const slug = String(body.slug ?? '').trim() || slugify(title) || `item-${Date.now()}`
-      const categoryId = String(body.categoryId ?? '').trim()
+      let categoryId = String(body.categoryId ?? '').trim()
       if (!categoryId) {
-        reply.code(400).send({ error: 'Укажите категорию' })
-        return
+        categoryId = (await getOrCreateUnspecifiedCategory()).id
+      } else {
+        const cat = await prisma.category.findUnique({ where: { id: categoryId } })
+        if (!cat) {
+          reply.code(400).send({ error: 'Категория не найдена' })
+          return
+        }
       }
       const priceCents = Number(body.priceCents)
       if (!Number.isFinite(priceCents) || priceCents < 0) {
@@ -190,7 +196,20 @@ export async function registerAdminProductRoutes(
         data.imageUrl = body.imageUrl ? String(body.imageUrl) : null
       }
       if (body.published !== undefined) data.published = Boolean(body.published)
-      if (body.categoryId !== undefined) data.categoryId = String(body.categoryId)
+      if (body.categoryId !== undefined) {
+        const raw = body.categoryId
+        if (raw === null || raw === '') {
+          data.categoryId = (await getOrCreateUnspecifiedCategory()).id
+        } else {
+          const cid = String(raw).trim()
+          const cat = await prisma.category.findUnique({ where: { id: cid } })
+          if (!cat) {
+            reply.code(400).send({ error: 'Категория не найдена' })
+            return
+          }
+          data.categoryId = cid
+        }
+      }
 
       if (body.inStock !== undefined) data.inStock = Boolean(body.inStock)
       if (body.leadTimeDays !== undefined) {
diff --git a/server/src/routes/api/catalog-slider.js b/server/src/routes/api/catalog-slider.js
new file mode 100644
index 0000000..90cc59c
--- /dev/null
+++ b/server/src/routes/api/catalog-slider.js
@@ -0,0 +1,99 @@
+import { prisma } from '../../lib/prisma.js'
+
+const MAX_SLIDES = 20
+
+export async function registerCatalogSliderRoutes(fastify) {
+  fastify.get('/api/catalog-slider', async () => {
+    const slides = await prisma.catalogSliderSlide.findMany({
+      orderBy: { sortOrder: 'asc' },
+      include: { galleryImage: true },
+    })
+    return {
+      slides: slides.map((s) => ({
+        id: s.id,
+        url: s.galleryImage.url,
+        caption: s.caption,
+      })),
+    }
+  })
+
+  fastify.get(
+    '/api/admin/catalog-slider',
+    { preHandler: [fastify.verifyAdmin] },
+    async () => {
+      const slides = await prisma.catalogSliderSlide.findMany({
+        orderBy: { sortOrder: 'asc' },
+        include: { galleryImage: true },
+      })
+      return {
+        slides: slides.map((s) => ({
+          id: s.id,
+          galleryImageId: s.galleryImageId,
+          url: s.galleryImage.url,
+          caption: s.caption,
+        })),
+      }
+    },
+  )
+
+  fastify.put(
+    '/api/admin/catalog-slider',
+    { preHandler: [fastify.verifyAdmin] },
+    async (request, reply) => {
+      const body = request.body ?? {}
+      const rawSlides = body.slides
+      if (!Array.isArray(rawSlides)) {
+        return reply.code(400).send({ error: 'Ожидается slides: массив' })
+      }
+      if (rawSlides.length > MAX_SLIDES) {
+        return reply.code(400).send({ error: `Не более ${MAX_SLIDES} слайдов` })
+      }
+
+      const seenGalleryIds = new Set()
+      const normalized = []
+      for (let i = 0; i < rawSlides.length; i++) {
+        const row = rawSlides[i]
+        const galleryImageId = String(row?.galleryImageId ?? '').trim()
+        if (!galleryImageId) {
+          return reply.code(400).send({ error: `Слайд ${i + 1}: укажите galleryImageId` })
+        }
+        if (seenGalleryIds.has(galleryImageId)) {
+          return reply.code(400).send({ error: 'Одно изображение нельзя добавить дважды' })
+        }
+        seenGalleryIds.add(galleryImageId)
+        const img = await prisma.galleryImage.findUnique({ where: { id: galleryImageId } })
+        if (!img) {
+          return reply.code(400).send({ error: `Изображение не найдено: ${galleryImageId}` })
+        }
+        const caption = row?.caption == null ? '' : String(row.caption).slice(0, 500)
+        normalized.push({ galleryImageId, caption, sortOrder: i })
+      }
+
+      await prisma.$transaction(async (tx) => {
+        await tx.catalogSliderSlide.deleteMany({})
+        for (const n of normalized) {
+          await tx.catalogSliderSlide.create({
+            data: {
+              sortOrder: n.sortOrder,
+              caption: n.caption,
+              galleryImageId: n.galleryImageId,
+            },
+          })
+        }
+      })
+
+      const slides = await prisma.catalogSliderSlide.findMany({
+        orderBy: { sortOrder: 'asc' },
+        include: { galleryImage: true },
+      })
+      return {
+        slides: slides.map((s) => ({
+          id: s.id,
+          galleryImageId: s.galleryImageId,
+          url: s.galleryImage.url,
+          caption: s.caption,
+        })),
+      }
+    },
+  )
+}
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