From 9a412b0c6d68a04c59d5faabb347313be82659a6 Mon Sep 17 00:00:00 2001
From: Roman Timashev <roman@tmshv.ru>
Date: Sat, 7 Feb 2026 05:06:13 +0700
Subject: [PATCH 01/11] ai type safe rewrite

---
 frontend/src/components/AddButton/index.tsx   |  3 +-
 frontend/src/components/Gallery/index.tsx     |  4 +-
 frontend/src/components/IdeaModal/index.tsx   |  3 +-
 frontend/src/components/IndexBest/index.tsx   |  2 +-
 frontend/src/components/IndexPage/index.tsx   | 14 ++--
 frontend/src/components/Map/index.tsx         |  6 +-
 frontend/src/components/NewsCard/index.tsx    |  2 +-
 frontend/src/components/NewsPage/index.tsx    |  2 +-
 .../components/SubmissionFeed/CommentForm.tsx |  3 +-
 .../src/components/SubmissionFeed/Item.tsx    |  2 +-
 .../src/components/SubmissionFeed/index.tsx   | 36 ++--------
 .../components/SurveyModal/CheckboxList.tsx   |  2 +-
 .../SurveyModal/CheckboxWithOther.tsx         |  6 +-
 frontend/src/components/SurveyModal/index.tsx | 69 ++++++++++---------
 frontend/src/contexts/clientId.tsx            | 10 +--
 frontend/src/contexts/form.tsx                | 10 ++-
 frontend/src/contexts/navbar.tsx              |  7 +-
 frontend/src/pages/_app.tsx                   | 24 ++++---
 frontend/src/pages/index.tsx                  |  2 +-
 frontend/src/pages/map.tsx                    | 14 ++--
 frontend/src/types/index.ts                   | 46 +++++++++++++
 frontend/src/types/submission.ts              | 27 ++++++++
 frontend/temp/news/[id].tsx                   |  6 +-
 frontend/tsconfig.json                        |  2 +-
 24 files changed, 180 insertions(+), 122 deletions(-)
 create mode 100644 frontend/src/types/index.ts
 create mode 100644 frontend/src/types/submission.ts

diff --git a/frontend/src/components/AddButton/index.tsx b/frontend/src/components/AddButton/index.tsx
index 762413a..4453fd6 100644
--- a/frontend/src/components/AddButton/index.tsx
+++ b/frontend/src/components/AddButton/index.tsx
@@ -2,6 +2,7 @@ import { FormContext } from '@/contexts/form';
 import { Popover, Button, Center, Box } from '@mantine/core';
 import { useModals } from '@mantine/modals';
 import { useCallback, useContext } from 'react';
+import { FormData } from '@/types';
 
 export const AddButton: React.FC<{ style?: React.CSSProperties }> = ({ style = {
     position: 'absolute',
@@ -13,7 +14,7 @@ export const AddButton: React.FC<{ style?: React.CSSProperties }> = ({ style = {
     const modals = useModals()
     const { data, setData } = useContext(FormContext)
     const { addMode, setAddMode } = useContext(FormContext)
-    const onClick = useCallback((data) => {
+    const onClick = useCallback((data: FormData) => {
         if (Object.keys(data).length == 0) {
             setData({})
         }
diff --git a/frontend/src/components/Gallery/index.tsx b/frontend/src/components/Gallery/index.tsx
index 0ab7440..df28e99 100644
--- a/frontend/src/components/Gallery/index.tsx
+++ b/frontend/src/components/Gallery/index.tsx
@@ -25,7 +25,7 @@ const PrevButton = () => {
     )
 }
 
-export const Gallery = ({ galleryImages }) => {
+export const Gallery = ({ galleryImages }: { galleryImages: any[] }) => {
     const [imageOpened, { toggle: close, open }] = useDisclosure()
     const [image, setImage] = useState(0)
     const isMobile = useMedia('(max-width: 576px)', false)
@@ -44,7 +44,7 @@ export const Gallery = ({ galleryImages }) => {
                     open()
                 }}
             >
-                {galleryImages.map((x, i) => (
+                {galleryImages.map((x: any, i: number) => (
                     <SwiperSlide
                         key={x.src}
                     >
diff --git a/frontend/src/components/IdeaModal/index.tsx b/frontend/src/components/IdeaModal/index.tsx
index 8d8c661..6c44edf 100644
--- a/frontend/src/components/IdeaModal/index.tsx
+++ b/frontend/src/components/IdeaModal/index.tsx
@@ -8,9 +8,10 @@ import { z } from 'zod'
 import { zodResolver } from "@hookform/resolvers/zod"
 import { useSWRConfig } from 'swr'
 import buttonStyles from '@/styles/button.module.css'
+import { IdeaModalDefaultValues } from '@/types'
 
 export type IdeaModalProps = {
-    defaultValues?: { [key: string]: any }
+    defaultValues?: IdeaModalDefaultValues
 }
 
 const states = {
diff --git a/frontend/src/components/IndexBest/index.tsx b/frontend/src/components/IndexBest/index.tsx
index a83d0bf..44d3e88 100644
--- a/frontend/src/components/IndexBest/index.tsx
+++ b/frontend/src/components/IndexBest/index.tsx
@@ -58,7 +58,7 @@ export const IndexBest: React.FC<{ isMobile: boolean }> = ({ isMobile }) => {
                     className={s.masonry}
                     columnClassName={s.masonryCol}
                 >
-                    {data.map(x => (
+                    {data.map((x: any) => (
                         <Card
                             key={x.id}
                             withBorder
diff --git a/frontend/src/components/IndexPage/index.tsx b/frontend/src/components/IndexPage/index.tsx
index 761e271..c8346aa 100644
--- a/frontend/src/components/IndexPage/index.tsx
+++ b/frontend/src/components/IndexPage/index.tsx
@@ -98,7 +98,7 @@ export function IndexPage() {
                 >
                     <Title
                         order={1}
-                        ta={isMobile ? 'center' : null}
+                        ta={isMobile ? 'center' : undefined}
                         c='primary'
                         style={{
                             fontSize: isMobile ? 32 : '80px',
@@ -127,7 +127,7 @@ export function IndexPage() {
                         <Group
                             gap={30}
                             p={isMobile ? '24px 16px' : 2}
-                            variant={isMobile ? null : 'noflip'}
+                            variant={isMobile ? undefined : 'noflip'}
                             style={{
                                 // boxShadow: '0px 2px 4px rgba(0, 0, 0, 0.25)',
                             }}
@@ -178,7 +178,7 @@ export function IndexPage() {
                 />
                 <Title
                     order={2}
-                    ta={isMobile ? 'center' : null}
+                    ta={isMobile ? 'center' : undefined}
                 >
                     ГРАФИК ПРОЕКТА
                 </Title>
@@ -246,7 +246,7 @@ export function IndexPage() {
                     // pl={isMobile ? 8 : 19}
                     style={{
                         width: '100%',
-                        aspectRatio: !isMobile && '1240 / 762',
+                        aspectRatio: !isMobile ? '1240 / 762' : undefined,
                         backgroundSize: isMobile ? 'auto' : 'contain',
                     }}
                 >
@@ -266,7 +266,7 @@ export function IndexPage() {
                             order={2}
                             c={'primary'}
                             mb={24}
-                            ta={isTablet ? 'center' : null}
+                            ta={isTablet ? 'center' : undefined}
                             w={'100%'}
                             style={{
                                 fontSize: isMobile ? undefined : '42px',
@@ -369,7 +369,7 @@ export function IndexPage() {
                         zIndex: 0,
                         overflow: 'visible',
                     }}
-                    pb={!isTablet && 100}
+                    pb={!isTablet ? 100 : undefined}
                 >
                     {/* {!isTablet && (
                         <div style={{ // картинка
@@ -404,7 +404,7 @@ export function IndexPage() {
                         >
                             <Title
                                 order={1}
-                                ta={isMobile ? 'center' : null}
+                                ta={isMobile ? 'center' : undefined}
                             >
                                 ЧТО ВЫ ХОТИТЕ <br /> ИЗМЕНИТЬ?
                             </Title>
diff --git a/frontend/src/components/Map/index.tsx b/frontend/src/components/Map/index.tsx
index 67b78d7..03cce84 100644
--- a/frontend/src/components/Map/index.tsx
+++ b/frontend/src/components/Map/index.tsx
@@ -32,7 +32,7 @@ export const Map: React.FC<MapProps> = ({ initialCoords }) => {
     const modals = useModals()
     const { data: formData, setData, addMode, setAddMode } = useContext(FormContext)
 
-    const onClick = useCallback((event) => {
+    const onClick = useCallback((event: any) => {
         if (!addMode) return
 
         const { lngLat } = event
@@ -66,7 +66,7 @@ export const Map: React.FC<MapProps> = ({ initialCoords }) => {
     const isPreview = Boolean(router.query?.preview) == true
 
     const features = (data?.items ?? [])
-        .filter(x => x?.feature && JSON.stringify(x?.feature) !== '{}')
+        .filter((x: any) => x?.feature && JSON.stringify(x?.feature) !== '{}')
 
     return (
         <MapMapbox
@@ -103,7 +103,7 @@ export const Map: React.FC<MapProps> = ({ initialCoords }) => {
                 />
             </Source>
             {(!isLoading && !error && data) && (!addMode) && features
-                .map((x, i) => (
+                .map((x: any, i: number) => (
                     <Marker
                         key={i}
                         longitude={x.feature.geometry.coordinates[0]}
diff --git a/frontend/src/components/NewsCard/index.tsx b/frontend/src/components/NewsCard/index.tsx
index 99a2425..29f55aa 100644
--- a/frontend/src/components/NewsCard/index.tsx
+++ b/frontend/src/components/NewsCard/index.tsx
@@ -1,7 +1,7 @@
 import { Card, Text, Image } from '@mantine/core'
 import Link from 'next/link'
 
-export const NewsCard = ({ x }) => {
+export const NewsCard = ({ x }: { x: any }) => {
     return (
         <Card
             key={x.id}
diff --git a/frontend/src/components/NewsPage/index.tsx b/frontend/src/components/NewsPage/index.tsx
index f806133..9acdb7b 100644
--- a/frontend/src/components/NewsPage/index.tsx
+++ b/frontend/src/components/NewsPage/index.tsx
@@ -1,7 +1,7 @@
 import { Stack, Title, Image, Box } from '@mantine/core'
 import s from './index.module.css'
 
-export const NewsPage = ({ data }) => {
+export const NewsPage = ({ data }: { data: any }) => {
     return (
         <Stack>
             <Box>
diff --git a/frontend/src/components/SubmissionFeed/CommentForm.tsx b/frontend/src/components/SubmissionFeed/CommentForm.tsx
index bd26397..eeeafb5 100644
--- a/frontend/src/components/SubmissionFeed/CommentForm.tsx
+++ b/frontend/src/components/SubmissionFeed/CommentForm.tsx
@@ -5,10 +5,11 @@ import { Controller, useForm } from 'react-hook-form'
 import { KeyedMutator } from 'swr'
 import { z } from 'zod'
 import s from './index.module.css'
+import { Submission } from '@/types/submission'
 
 type CommentFormProps = {
     id: string
-    mutate: KeyedMutator<any[]>
+    mutate: KeyedMutator<Submission[]>
 }
 
 const states = {
diff --git a/frontend/src/components/SubmissionFeed/Item.tsx b/frontend/src/components/SubmissionFeed/Item.tsx
index ca8f295..35c5c27 100644
--- a/frontend/src/components/SubmissionFeed/Item.tsx
+++ b/frontend/src/components/SubmissionFeed/Item.tsx
@@ -57,7 +57,7 @@ export const Item: React.FC<ItemProps> = ({ data }) => {
                             bg={'white'}
                             onClick={() => {
                                 setDrawer(false)
-                                map.flyTo({
+                                map?.flyTo({
                                     center: data.feature.geometry.coordinates,
                                     zoom: 15,
                                 })
diff --git a/frontend/src/components/SubmissionFeed/index.tsx b/frontend/src/components/SubmissionFeed/index.tsx
index c22a372..3165b30 100644
--- a/frontend/src/components/SubmissionFeed/index.tsx
+++ b/frontend/src/components/SubmissionFeed/index.tsx
@@ -9,37 +9,9 @@ import { useRouter } from 'next/router'
 import { useEffectOnce } from 'react-use'
 import { AddButton } from '../AddButton'
 import { useMediaQuery } from '@mantine/hooks'
+import type { Feature, Submission, SubmissionResponse } from '@/types/submission'
 
-export type Feature = {
-    type: 'Feature',
-    properties: {},
-    geometry: {
-        type: 'Point',
-        coordinates: [
-            number,
-            number,
-        ]
-    }
-}
-
-export type Submission = {
-    id: string
-    content: string
-    feature: Feature
-    collectionId?: string
-    collectionName?: string
-    created?: string
-    isBanned?: boolean
-    updated?: string
-}
-
-export type SubmissionResponse = {
-    page: number
-    perPage: number
-    totalPages: number
-    totalItems: number
-    items: Submission[]
-}
+export type { Feature, Submission, SubmissionResponse }
 
 export const SubmissionFeed: React.FC = () => {
     const router = useRouter()
@@ -57,7 +29,7 @@ export const SubmissionFeed: React.FC = () => {
             }
         ).then(async res => await res.json()),
     )
-    const dataFlat = (isLoading || error)
+    const dataFlat = (isLoading || error || !data)
         ? []
         : data
             .flatMap(x => x.items)
@@ -165,7 +137,7 @@ export const SubmissionFeed: React.FC = () => {
                             data={x}
                         />
                     ))}
-                    {!isLoading && data[0]?.totalItems != dataFlat.length && (
+                    {!isLoading && data && data[0]?.totalItems != dataFlat.length && (
                         <Button
                             onClick={() => setSize(size + 1)}
                             bg='primary'
diff --git a/frontend/src/components/SurveyModal/CheckboxList.tsx b/frontend/src/components/SurveyModal/CheckboxList.tsx
index 2489f0a..4c580dd 100644
--- a/frontend/src/components/SurveyModal/CheckboxList.tsx
+++ b/frontend/src/components/SurveyModal/CheckboxList.tsx
@@ -13,7 +13,7 @@ export const CheckboxList: FC<{
     const selectedOptions: string[] = watch(field.name, []) || []
 
 
-    const getDisabled = (value) => !selectedOptions.includes(value) && selectedOptions.length >= maxValues
+    const getDisabled = (value: string) => !selectedOptions.includes(value) && selectedOptions.length >= maxValues
 
     return (
         <Fieldset
diff --git a/frontend/src/components/SurveyModal/CheckboxWithOther.tsx b/frontend/src/components/SurveyModal/CheckboxWithOther.tsx
index 9614f9b..805b3be 100644
--- a/frontend/src/components/SurveyModal/CheckboxWithOther.tsx
+++ b/frontend/src/components/SurveyModal/CheckboxWithOther.tsx
@@ -16,16 +16,16 @@ export const CheckboxWithOther: FC<{
     const [inputValue, setInputValue] = useState('Другое: ')
     const selectedOptions: string[] = watch(field.name, []) || []
 
-    const handleCheckboxChange = useCallback((event) => {
+    const handleCheckboxChange = useCallback((event: React.ChangeEvent<HTMLInputElement>) => {
         setIsShowOtherInput(event.currentTarget.checked)
     }, [])
-    const handleOtherInputChange = (event) => {
+    const handleOtherInputChange = (event: React.ChangeEvent<HTMLInputElement>) => {
         const filteredValue = selectedOptions.filter((x) => !x.includes('Другое'))
         setInputValue(`Другое: ${event.currentTarget.value}`)
         setValue(field.name, [...filteredValue, `Другое: ${event.currentTarget.value}`], { shouldValidate: true })
     }
 
-    const getDisabled = (value) => !selectedOptions.includes(value) && selectedOptions.length >= maxValues
+    const getDisabled = (value: string) => !selectedOptions.includes(value) && selectedOptions.length >= maxValues
 
     return (
         <Fieldset
diff --git a/frontend/src/components/SurveyModal/index.tsx b/frontend/src/components/SurveyModal/index.tsx
index 1388e3d..311c6f1 100644
--- a/frontend/src/components/SurveyModal/index.tsx
+++ b/frontend/src/components/SurveyModal/index.tsx
@@ -5,6 +5,7 @@ import { Controller, useForm, useWatch } from 'react-hook-form'
 import { CheckboxWithOther } from './CheckboxWithOther'
 import { CheckboxList } from './CheckboxList'
 import Image from 'next/image'
+import { TabProps, SurveyFormData } from '@/types'
 
 const states = {
     start: 'Отправить ответ',
@@ -650,9 +651,9 @@ const schema = [
 ]
 
 type SchemaToComponentsProps = {
-    schema
-    formHook
-    renderFilter?
+    schema: any[]
+    formHook: any
+    renderFilter?: Record<string, boolean>
 }
 const SchemaToComponents: FC<SchemaToComponentsProps> = ({ schema, formHook, renderFilter = {} }) => {
     const { control, setValue, watch, register } = formHook // passed from parent cause it needed for filter
@@ -745,7 +746,7 @@ const SchemaToComponents: FC<SchemaToComponentsProps> = ({ schema, formHook, ren
                             variant='filled'
                         >
                             <Stack>
-                                {item.list.map((listItem, index) => (
+                                {item.list.map((listItem: string, index: number) => (
                                     <Controller
                                         key={listItem}
                                         name={`${item.id}-${index}`}
@@ -789,7 +790,7 @@ const SchemaToComponents: FC<SchemaToComponentsProps> = ({ schema, formHook, ren
                                 {item?.description}
                             </Text>
                             <Stack>
-                                {item.list.map((listItem, index) => (
+                                {item.list.map((listItem: string, index: number) => (
                                     <Controller
                                         key={listItem}
                                         name={`${item.id}-${index}`}
@@ -808,7 +809,7 @@ const SchemaToComponents: FC<SchemaToComponentsProps> = ({ schema, formHook, ren
                                                     min={0}
                                                     max={item.marks.length - 1}
                                                     defaultValue={0}
-                                                    marks={item.marks.map((x) => ({ value: x, label: String(x) }))}
+                                                    marks={item.marks.map((x: number) => ({ value: x, label: String(x) }))}
                                                     label={null}
                                                     styles={{
                                                         root: {
@@ -851,15 +852,15 @@ const SchemaToComponents: FC<SchemaToComponentsProps> = ({ schema, formHook, ren
         })
 }
 
-const Tab1 = ({ onSubmit, submitText, onSubmitData }) => {
+const Tab1 = ({ onSubmit, submitText, onSubmitData }: TabProps): React.ReactElement => {
     const formHook = useForm()
     const { handleSubmit, control } = formHook
-    const onSubmitWrapped = async (data) => {
+    const onSubmitWrapped = async (data: SurveyFormData) => {
         if (questoin0Value == 'Нет') {
-            onSubmitData(data)
+            onSubmitData?.(data)
             return
         }
-        onSubmit(data)
+        onSubmit?.(data)
     }
 
     const [questoin0Value] = useWatch({
@@ -893,7 +894,7 @@ const Tab1 = ({ onSubmit, submitText, onSubmitData }) => {
     )
 }
 
-const Tab2 = ({ onSubmit, setTabIndex }) => {
+const Tab2 = ({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElement => {
     const formHook = useForm()
     const { handleSubmit } = formHook
     return (
@@ -907,7 +908,7 @@ const Tab2 = ({ onSubmit, setTabIndex }) => {
                 />
 
                 <Group align='flex-start'>
-                    <Button onClick={() => setTabIndex(x => x - 1)} bg='secondary' >
+                    <Button onClick={() => setTabIndex?.(x => x - 1)} bg='secondary' >
                         Предыдущий раздел
                     </Button>
                     <Button type='submit' bg='secondary' >
@@ -919,7 +920,7 @@ const Tab2 = ({ onSubmit, setTabIndex }) => {
     )
 }
 
-const Tab3 = ({ onSubmit, setTabIndex }) => {
+const Tab3 = ({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElement => {
     const formHook = useForm()
     const { handleSubmit } = formHook
     return (
@@ -933,7 +934,7 @@ const Tab3 = ({ onSubmit, setTabIndex }) => {
                 />
 
                 <Group align='flex-start'>
-                    <Button onClick={() => setTabIndex(x => x - 1)} bg='secondary' >
+                    <Button onClick={() => setTabIndex?.(x => x - 1)} bg='secondary' >
                         Предыдущий раздел
                     </Button>
                     <Button type='submit' bg='secondary' >
@@ -945,7 +946,7 @@ const Tab3 = ({ onSubmit, setTabIndex }) => {
     )
 }
 
-const Tab4 = ({ onSubmit, setTabIndex }) => {
+const Tab4 = ({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElement => {
     const formHook = useForm()
     const { handleSubmit, control } = formHook
 
@@ -970,7 +971,7 @@ const Tab4 = ({ onSubmit, setTabIndex }) => {
                 />
 
                 <Group align='flex-start'>
-                    <Button onClick={() => setTabIndex(x => x - 1)} bg='secondary' >
+                    <Button onClick={() => setTabIndex?.(x => x - 1)} bg='secondary' >
                         Предыдущий раздел
                     </Button>
                     <Button type='submit' bg='secondary' >
@@ -982,7 +983,7 @@ const Tab4 = ({ onSubmit, setTabIndex }) => {
     )
 }
 
-const Tab5 = ({ onSubmit, setTabIndex }) => {
+const Tab5 = ({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElement => {
     const formHook = useForm()
     const { handleSubmit, control } = formHook
 
@@ -1013,7 +1014,7 @@ const Tab5 = ({ onSubmit, setTabIndex }) => {
                 />
 
                 <Group align='flex-start'>
-                    <Button onClick={() => setTabIndex(x => x - 1)} bg='secondary' >
+                    <Button onClick={() => setTabIndex?.(x => x - 1)} bg='secondary' >
                         Предыдущий раздел
                     </Button>
                     <Button type='submit' bg='secondary' >
@@ -1025,7 +1026,7 @@ const Tab5 = ({ onSubmit, setTabIndex }) => {
     )
 }
 
-const Tab6 = ({ onSubmit, setTabIndex }) => {
+const Tab6 = ({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElement => {
     const formHook = useForm()
     const { handleSubmit, control } = formHook
 
@@ -1051,7 +1052,7 @@ const Tab6 = ({ onSubmit, setTabIndex }) => {
                 />
 
                 <Group align='flex-start'>
-                    <Button onClick={() => setTabIndex(x => x - 1)} bg='secondary' >
+                    <Button onClick={() => setTabIndex?.(x => x - 1)} bg='secondary' >
                         Предыдущий раздел
                     </Button>
                     <Button type='submit' bg='secondary' >
@@ -1063,11 +1064,11 @@ const Tab6 = ({ onSubmit, setTabIndex }) => {
     )
 }
 
-const Tab7 = ({ setTabIndex, globalFormValues, onSubmitData, submitText }) => {
+const Tab7 = ({ setTabIndex, globalFormValues, onSubmitData, submitText }: TabProps): React.ReactElement => {
     const formHook = useForm()
     const { handleSubmit, control } = formHook
-    const onSubmit = async (data) => {
-        onSubmitData({ ...globalFormValues, ...data })
+    const onSubmit = async (data: SurveyFormData) => {
+        onSubmitData?.({ ...globalFormValues, ...data })
         return
     }
 
@@ -1092,7 +1093,7 @@ const Tab7 = ({ setTabIndex, globalFormValues, onSubmitData, submitText }) => {
                 />
 
                 <Group align='flex-start'>
-                    <Button onClick={() => setTabIndex(x => x - 1)} bg='secondary'>
+                    <Button onClick={() => setTabIndex?.(x => x - 1)} bg='secondary'>
                         Предыдущий раздел
                     </Button>
                     <Button type='submit' disabled={submitText == states.fetch} bg='secondary'>
@@ -1107,13 +1108,13 @@ const Tab7 = ({ setTabIndex, globalFormValues, onSubmitData, submitText }) => {
 export const SurveyModal: FC<ContextModalProps> = () => {
     const modals = useModals()
     const [tabIndex, setTabIndex] = useState(0)
-    const [globalFormValues, setGlobalFormValues] = useState(null)
+    const [globalFormValues, setGlobalFormValues] = useState<SurveyFormData | null>(null)
 
     const ref = useRef<HTMLDivElement>(null)
 
     const [text, setText] = useState(states.start)
 
-    const titles = {
+    const titles: Record<number, string> = {
         0: 'Приветствие',
         1: 'Общие вопросы',
         2: 'Идентичность Соснового Бора',
@@ -1124,10 +1125,10 @@ export const SurveyModal: FC<ContextModalProps> = () => {
         7: 'Социально-демографические характеристики',
     }
 
-    const onSubmitStep = async (data) => {
+    const onSubmitStep = async (data: SurveyFormData) => {
         setGlobalFormValues(x => ({ ...x, ...data }))
         setTabIndex(x => x + 1)
-        ref.current.scrollIntoView()
+        ref.current?.scrollIntoView()
     }
 
     const getSelectListText = useCallback((key: string) => {
@@ -1135,12 +1136,12 @@ export const SurveyModal: FC<ContextModalProps> = () => {
         const splited = key.split('-')
         const i = splited.pop()
         const id = splited.join('-')
-        const schemaQuestion = schema.find(x => id == x.id)
+        const schemaQuestion = schema.find((x: any) => id == x.id)
 
-        return `${schemaQuestion.text}: ${schemaQuestion.list[i]}`
-    }, [schema])
+        return schemaQuestion ? `${schemaQuestion.text}: ${schemaQuestion.list?.[i as any]}` : ''
+    }, [])
 
-    const onSubmitData = async (data) => {
+    const onSubmitData = async (data: SurveyFormData) => {
         const body = JSON.stringify({
             data: Object.entries(data)
                 .filter(([key, value]) => !!value)
@@ -1249,7 +1250,7 @@ export const SurveyModal: FC<ContextModalProps> = () => {
                             bg='secondary'
                             onClick={() => {
                                 setTabIndex(x => x + 1)
-                                ref.current.scrollIntoView()
+                                ref.current?.scrollIntoView()
                             }}
                         >
                             Начать опрос
@@ -1297,7 +1298,7 @@ export const SurveyModal: FC<ContextModalProps> = () => {
             <Tabs.Panel value='7'>
                 <Tab7
                     setTabIndex={setTabIndex}
-                    globalFormValues={globalFormValues}
+                    globalFormValues={globalFormValues ?? undefined}
                     onSubmitData={onSubmitData}
                     submitText={text}
                 />
diff --git a/frontend/src/contexts/clientId.tsx b/frontend/src/contexts/clientId.tsx
index db012f5..e764bad 100644
--- a/frontend/src/contexts/clientId.tsx
+++ b/frontend/src/contexts/clientId.tsx
@@ -9,7 +9,7 @@ type ClientIdContextType = {
 
 export const ClientIdContext: Context<ClientIdContextType> = createContext({
     clientId: 'false',
-    clientIdCookie: null,
+    clientIdCookie: '',
 })
 
 export const ClientIdProvider = ({ children }: { children: React.ReactNode }) => {
@@ -37,7 +37,7 @@ export const ClientIdProvider = ({ children }: { children: React.ReactNode }) =>
         }
 
         if (cookie == 'null' || cookie == 'false') {
-            updateCookie(clientId, { expires: new Date(new Date().getTime() + 1000 * 60 * 60 * 24 * 300) })
+            updateCookie(clientId ?? '', { expires: new Date(new Date().getTime() + 1000 * 60 * 60 * 24 * 300) })
         }
     }, [clientId, data, cookie])
 
@@ -53,15 +53,15 @@ export const ClientIdProvider = ({ children }: { children: React.ReactNode }) =>
     )
     useEffect(() => {
         if (isCookiesAllowed === false) {
-            updateCookie(null)
+            updateCookie('')
         }
     }, [isCookiesAllowed])
 
     return (
         <ClientIdContext.Provider
             value={{
-                clientId,
-                clientIdCookie: cookie,
+                clientId: clientId ?? '',
+                clientIdCookie: cookie ?? '',
             }}
         >
             {children}
diff --git a/frontend/src/contexts/form.tsx b/frontend/src/contexts/form.tsx
index 033ca64..18bb1b0 100644
--- a/frontend/src/contexts/form.tsx
+++ b/frontend/src/contexts/form.tsx
@@ -1,17 +1,15 @@
 import { Context, createContext, useState } from 'react'
+import { FormContextValue, FormData } from '@/types'
 
-export const FormContext: Context<any> = createContext({
+export const FormContext: Context<FormContextValue> = createContext<FormContextValue>({
     data: {},
     setData: () => null,
     addMode: false,
     setAddMode: () => null,
 })
 
-export const FormContextProvider = ({ children }: { children: any }) => {
-    const [data, setData] = useState({
-
-    })
-
+export const FormContextProvider = ({ children }: { children: React.ReactNode }) => {
+    const [data, setData] = useState<FormData>({})
     const [addMode, setAddMode] = useState(false)
 
     return (
diff --git a/frontend/src/contexts/navbar.tsx b/frontend/src/contexts/navbar.tsx
index 04c310f..ddaa0b1 100644
--- a/frontend/src/contexts/navbar.tsx
+++ b/frontend/src/contexts/navbar.tsx
@@ -1,14 +1,14 @@
 import { Context, createContext, useState } from 'react'
+import { NavbarContextValue } from '@/types'
 
-export const NavbarContext: Context<any> = createContext({
+export const NavbarContext: Context<NavbarContextValue> = createContext<NavbarContextValue>({
     selected: false,
     setSelected: () => null,
-
     drawer: false,
     setDrawer: () => null,
 })
 
-export const NavbarContextProvider = ({ children }: { children: any }) => {
+export const NavbarContextProvider = ({ children }: { children: React.ReactNode }) => {
     const [selected, setSelected] = useState(false)
     const [drawer, setDrawer] = useState(false)
 
@@ -17,7 +17,6 @@ export const NavbarContextProvider = ({ children }: { children: any }) => {
             value={{
                 selected,
                 setSelected,
-
                 drawer,
                 setDrawer,
             }}
diff --git a/frontend/src/pages/_app.tsx b/frontend/src/pages/_app.tsx
index 70c442a..1e53d67 100644
--- a/frontend/src/pages/_app.tsx
+++ b/frontend/src/pages/_app.tsx
@@ -23,14 +23,18 @@ import appShellStyles from '../styles/appShell.module.css'
 
 import '@mantine/core/styles.css'
 import { FormContextProvider } from '@/contexts/form'
+import { MantineColorArray } from '@/types'
+
+const createColorTuple = (color: string): MantineColorArray =>
+    [color, color, color, color, color, color, color, color, color, color]
 
 const theme = createTheme({
     colors: {
-        primary: Array(10).fill('rgb(233 79 43)') as unknown as MantineColorsTuple,
-        secondary: Array(10).fill('rgb(155 185 98)') as unknown as MantineColorsTuple,
-        third: Array(10).fill('rgb(247 236 209)') as unknown as MantineColorsTuple,
-        dark: Array(10).fill('rgb(4,30,73)') as unknown as MantineColorsTuple,
-        black: Array(10).fill('#1E1928') as unknown as MantineColorsTuple,
+        primary: createColorTuple('rgb(233 79 43)'),
+        secondary: createColorTuple('rgb(155 185 98)'),
+        third: createColorTuple('rgb(247 236 209)'),
+        dark: createColorTuple('rgb(4,30,73)'),
+        black: createColorTuple('#1E1928'),
     },
     defaultRadius: 0,
     headings: {
@@ -118,7 +122,13 @@ const theme = createTheme({
     },
 })
 
-const navButtons = [
+type NavButton = {
+    text: string
+    href: string | null
+    props?: React.ComponentPropsWithoutRef<typeof Button>
+}
+
+const navButtons: NavButton[] = [
     {
         text: 'График проекта',
         href: '/#timeline',
@@ -552,7 +562,6 @@ const PageLayout = ({ children }: { children: React.ReactNode }) => {
                                 c='primary'
                                 size='md'
                                 onClick={toggleMobile}
-                                // @ts-ignore
                                 {...x.props}
                                 style={{
                                     fontFamily: 'Nasalization, sans-serif',
@@ -571,7 +580,6 @@ const PageLayout = ({ children }: { children: React.ReactNode }) => {
                                     toggleMobile()
                                     openSurveyModal()
                                 }}
-                                // @ts-ignore
                                 {...x.props}
                                 style={{
                                     fontFamily: 'Nasalization, sans-serif',
diff --git a/frontend/src/pages/index.tsx b/frontend/src/pages/index.tsx
index 04a7c15..4fde1ae 100644
--- a/frontend/src/pages/index.tsx
+++ b/frontend/src/pages/index.tsx
@@ -1,6 +1,6 @@
 import { IndexPage } from '@/components/IndexPage'
 
-export default function Page({ data }) {
+export default function Page({ data }: { data?: any }) {
     return (
         <IndexPage
         // data={data}
diff --git a/frontend/src/pages/map.tsx b/frontend/src/pages/map.tsx
index b7e6d8b..aad0e05 100644
--- a/frontend/src/pages/map.tsx
+++ b/frontend/src/pages/map.tsx
@@ -2,7 +2,7 @@ import React, { useContext, useEffect, useState } from 'react'
 import { useModals } from '@mantine/modals'
 import { useRouter } from 'next/router'
 import { SWRConfig } from 'swr'
-import { NextPage } from 'next/types'
+import { NextPage, GetServerSidePropsContext } from 'next/types'
 import { Map } from '@/components/Map'
 import { AddButton } from '@/components/AddButton'
 import { NavbarContext } from '@/contexts/navbar'
@@ -15,7 +15,7 @@ const PageComponent: React.FC = () => {
     const previewFeature = Boolean(router.query?.preview) == true
     const coords = (router.query?.preview as string | undefined)?.split(',')
 
-    const [initalCoords, setInitalCoords] = useState(previewFeature
+    const [initalCoords, setInitalCoords] = useState(previewFeature && coords
         ? {
             longitude: Number(coords[0]),
             latitude: Number(coords[1]),
@@ -66,7 +66,11 @@ const PageComponent: React.FC = () => {
     )
 }
 
-const MapPage: NextPage<{ fallback: { [key: string]: any } }> = ({ fallback }) => {
+type MapPageProps = {
+    fallback: Record<string, unknown>
+}
+
+const MapPage: NextPage<MapPageProps> = ({ fallback }) => {
     return (
         <SWRConfig
             value={{
@@ -78,11 +82,11 @@ const MapPage: NextPage<{ fallback: { [key: string]: any } }> = ({ fallback }) =
     )
 }
 
-export const getServerSideProps = async (ctx) => {
+export const getServerSideProps = async (ctx: GetServerSidePropsContext) => {
     return {
         props: {
             fallback: {
-                [`/api/submissions?limit=1000`]: { docs: [] }
+                [`/api/submissions?limit=1000`]: { docs: [] as any[] }
             }
         }
     }
diff --git a/frontend/src/types/index.ts b/frontend/src/types/index.ts
new file mode 100644
index 0000000..ff5b52d
--- /dev/null
+++ b/frontend/src/types/index.ts
@@ -0,0 +1,46 @@
+// Context types
+export type FormContextValue = {
+    data: FormData
+    setData: (data: FormData) => void
+    addMode: boolean
+    setAddMode: (mode: boolean) => void
+}
+
+export type FormData = {
+    coords?: {
+        lat?: number
+        lng?: number
+    }
+    description?: string
+}
+
+export type NavbarContextValue = {
+    selected: boolean
+    setSelected: (selected: boolean) => void
+    drawer: boolean
+    setDrawer: (drawer: boolean | ((prev: boolean) => boolean)) => void
+}
+
+// Component prop types
+export type IdeaModalDefaultValues = Partial<{
+    description: string
+    coords: { lat: number; lng: number }
+}>
+
+// Survey types
+export type SurveyFormData = Record<string, string | string[] | number>
+
+export type TabProps = {
+    onSubmit?: (data: SurveyFormData) => void | Promise<void>
+    setTabIndex?: React.Dispatch<React.SetStateAction<number>>
+    submitText?: string
+    onSubmitData?: (data: SurveyFormData) => void | Promise<void>
+    globalFormValues?: SurveyFormData
+}
+
+// Event handler types
+export type CheckboxChangeHandler = (event: React.ChangeEvent<HTMLInputElement>) => void
+export type InputChangeHandler = (event: React.ChangeEvent<HTMLInputElement>) => void
+
+// Mantine color helper
+export type MantineColorArray = [string, string, string, string, string, string, string, string, string, string]
diff --git a/frontend/src/types/submission.ts b/frontend/src/types/submission.ts
new file mode 100644
index 0000000..aafedf1
--- /dev/null
+++ b/frontend/src/types/submission.ts
@@ -0,0 +1,27 @@
+export type Feature = {
+    type: 'Feature'
+    properties: Record<string, unknown>
+    geometry: {
+        type: 'Point'
+        coordinates: [number, number]
+    }
+}
+
+export type Submission = {
+    id: string
+    content: string
+    feature: Feature
+    collectionId?: string
+    collectionName?: string
+    created?: string
+    isBanned?: boolean
+    updated?: string
+}
+
+export type SubmissionResponse = {
+    page: number
+    perPage: number
+    totalPages: number
+    totalItems: number
+    items: Submission[]
+}
diff --git a/frontend/temp/news/[id].tsx b/frontend/temp/news/[id].tsx
index 3229d18..a15053e 100644
--- a/frontend/temp/news/[id].tsx
+++ b/frontend/temp/news/[id].tsx
@@ -1,7 +1,7 @@
 import { NewsPage } from '@/components/NewsPage'
 import { GetStaticPaths, GetStaticProps } from 'next'
 
-export default function Page({ data }) {
+export default function Page({ data }: { data: any }) {
 
     return (
         <>
@@ -23,7 +23,7 @@ export const getStaticPaths = (async () => {
 
 
     return {
-        paths: data.docs.map(x => ({
+        paths: data.docs.map((x: any) => ({
             params: {
                 id: x.id,
             }
@@ -34,7 +34,7 @@ export const getStaticPaths = (async () => {
 
 export const getStaticProps = (async (ctx) => {
     let data = await fetch(
-        `${process.env.BACKEND_URL}/api/news/${ctx.params.id}`,
+        `${process.env.BACKEND_URL}/api/news/${ctx.params?.id}`,
         {
             method: 'get',
         },
diff --git a/frontend/tsconfig.json b/frontend/tsconfig.json
index b4ea853..8295cec 100644
--- a/frontend/tsconfig.json
+++ b/frontend/tsconfig.json
@@ -7,7 +7,7 @@
     ],
     "allowJs": true,
     "skipLibCheck": true,
-    "strict": false,
+    "strict": true,
     "noEmit": true,
     "esModuleInterop": true,
     "module": "esnext",

From ae18e4ce6432a52aadbacfeda38b0245792f3099 Mon Sep 17 00:00:00 2001
From: Roman Timashev <roman@tmshv.ru>
Date: Sat, 7 Feb 2026 13:39:16 +0700
Subject: [PATCH 02/11] update typing

---
 CLAUDE.md                                     | 33 +++++++++++++++++--
 frontend/src/components/AddButton/index.tsx   |  8 +++--
 frontend/src/components/EmailForm/index.tsx   |  2 +-
 frontend/src/components/Gallery/index.tsx     |  8 +++--
 frontend/src/components/IdeaModal/index.tsx   |  2 +-
 frontend/src/components/IndexBest/index.tsx   |  6 +++-
 frontend/src/components/Map/index.tsx         |  2 +-
 frontend/src/components/NewsCard/index.tsx    |  6 +++-
 frontend/src/components/NewsPage/index.tsx    |  6 +++-
 .../components/SubmissionFeed/CommentForm.tsx |  2 +-
 .../src/components/SubmissionFeed/Item.tsx    |  2 +-
 .../src/components/SubmissionFeed/index.tsx   |  2 +-
 .../components/SurveyModal/CheckboxList.tsx   | 10 +++---
 .../SurveyModal/CheckboxWithOther.tsx         | 11 ++++---
 frontend/src/components/SurveyModal/index.tsx | 18 +++++-----
 15 files changed, 85 insertions(+), 33 deletions(-)

diff --git a/CLAUDE.md b/CLAUDE.md
index 0b3d393..c217aad 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -95,10 +95,39 @@ export const MyContext: Context<MyContextValue> = createContext<MyContextValue>(
 })
 ```
 
-**Component Props**: Explicitly type all component props, preferring imported types from `@/types`:
+**Component Props**: Always define a separate type for component props with the naming pattern `ComponentNameProps`:
+```typescript
+export type MyComponentProps = {
+    title: string
+    count: number
+    onSubmit?: () => void
+}
+
+export function MyComponent({ title, count, onSubmit }: MyComponentProps) {
+    // ...
+}
+```
+
+For shared component props, import from `@/types`:
 ```typescript
 import { MyComponentProps } from '@/types'
-export const MyComponent = ({ prop1, prop2 }: MyComponentProps) => { ... }
+
+export function MyComponent({ prop1, prop2 }: MyComponentProps) {
+    // ...
+}
+```
+
+**Component Declarations**: Use regular function declarations instead of arrow functions:
+```typescript
+// Preferred
+export function MyComponent({ prop1, prop2 }: MyComponentProps) {
+    // ...
+}
+
+// Avoid
+export const MyComponent = ({ prop1, prop2 }: MyComponentProps) => {
+    // ...
+}
 ```
 
 **Null Safety**: Use optional chaining and nullish coalescing:
diff --git a/frontend/src/components/AddButton/index.tsx b/frontend/src/components/AddButton/index.tsx
index 4453fd6..35422e3 100644
--- a/frontend/src/components/AddButton/index.tsx
+++ b/frontend/src/components/AddButton/index.tsx
@@ -4,13 +4,17 @@ import { useModals } from '@mantine/modals';
 import { useCallback, useContext } from 'react';
 import { FormData } from '@/types';
 
-export const AddButton: React.FC<{ style?: React.CSSProperties }> = ({ style = {
+export type AddButtonProps = {
+    style?: React.CSSProperties
+}
+
+export function AddButton({ style = {
     position: 'absolute',
     zIndex: 1,
     bottom: '3rem',
     left: '50%',
     transform: 'translateX(-50%)',
-} }) => {
+} }: AddButtonProps) {
     const modals = useModals()
     const { data, setData } = useContext(FormContext)
     const { addMode, setAddMode } = useContext(FormContext)
diff --git a/frontend/src/components/EmailForm/index.tsx b/frontend/src/components/EmailForm/index.tsx
index cb13ce1..adf3587 100644
--- a/frontend/src/components/EmailForm/index.tsx
+++ b/frontend/src/components/EmailForm/index.tsx
@@ -19,7 +19,7 @@ const formSchema = z.object({
     text: z.string().min(1, 'Сообщение обязательно').max(999, 'Слишком длинное сообщение'),
 })
 
-export const EmailForm = () => {
+export function EmailForm() {
     const isMobile = useMedia('(max-width: 1024px)', false)
     const { handleSubmit, control, register, formState } = useForm<z.infer<typeof formSchema>>({
         mode: 'onChange',
diff --git a/frontend/src/components/Gallery/index.tsx b/frontend/src/components/Gallery/index.tsx
index df28e99..80dc120 100644
--- a/frontend/src/components/Gallery/index.tsx
+++ b/frontend/src/components/Gallery/index.tsx
@@ -6,7 +6,7 @@ import { useState } from 'react'
 import NextImage from 'next/image'
 import { useMedia } from 'react-use'
 
-const PrevButton = () => {
+function PrevButton() {
     const swiper = useSwiper()
 
     return (
@@ -25,7 +25,11 @@ const PrevButton = () => {
     )
 }
 
-export const Gallery = ({ galleryImages }: { galleryImages: any[] }) => {
+export type GalleryProps = {
+    galleryImages: any[]
+}
+
+export function Gallery({ galleryImages }: GalleryProps) {
     const [imageOpened, { toggle: close, open }] = useDisclosure()
     const [image, setImage] = useState(0)
     const isMobile = useMedia('(max-width: 576px)', false)
diff --git a/frontend/src/components/IdeaModal/index.tsx b/frontend/src/components/IdeaModal/index.tsx
index 6c44edf..58f323f 100644
--- a/frontend/src/components/IdeaModal/index.tsx
+++ b/frontend/src/components/IdeaModal/index.tsx
@@ -29,7 +29,7 @@ const formSchema = z.object({
     }, { message: 'Добавьте точку' }),
 })
 
-export const IdeaModal = ({ context, id: modalId, innerProps }: ContextModalProps<IdeaModalProps>) => {
+export function IdeaModal({ context, id: modalId, innerProps }: ContextModalProps<IdeaModalProps>) {
     const { mutate } = useSWRConfig()
     const modals = useModals()
     const formContext = useContext(FormContext)
diff --git a/frontend/src/components/IndexBest/index.tsx b/frontend/src/components/IndexBest/index.tsx
index 44d3e88..a7b53df 100644
--- a/frontend/src/components/IndexBest/index.tsx
+++ b/frontend/src/components/IndexBest/index.tsx
@@ -4,7 +4,11 @@ import s from './index.module.css'
 import Link from 'next/link'
 import Masonry from 'react-masonry-css'
 
-export const IndexBest: React.FC<{ isMobile: boolean }> = ({ isMobile }) => {
+export type IndexBestProps = {
+    isMobile: boolean
+}
+
+export function IndexBest({ isMobile }: IndexBestProps) {
     const { data, error, isLoading, mutate } = useSWR(
         `/api/submissions/best`,
         (url) => fetch(
diff --git a/frontend/src/components/Map/index.tsx b/frontend/src/components/Map/index.tsx
index 03cce84..f0a6b5b 100644
--- a/frontend/src/components/Map/index.tsx
+++ b/frontend/src/components/Map/index.tsx
@@ -18,7 +18,7 @@ type MapProps = {
     }
 }
 
-export const Map: React.FC<MapProps> = ({ initialCoords }) => {
+export function Map({ initialCoords }: MapProps) {
     const { data, error, isLoading } = useSWR(
         `/api/collections/features/records?perPage=1000`,
         (url) => fetch(
diff --git a/frontend/src/components/NewsCard/index.tsx b/frontend/src/components/NewsCard/index.tsx
index 29f55aa..d556efc 100644
--- a/frontend/src/components/NewsCard/index.tsx
+++ b/frontend/src/components/NewsCard/index.tsx
@@ -1,7 +1,11 @@
 import { Card, Text, Image } from '@mantine/core'
 import Link from 'next/link'
 
-export const NewsCard = ({ x }: { x: any }) => {
+export type NewsCardProps = {
+    x: any
+}
+
+export function NewsCard({ x }: NewsCardProps) {
     return (
         <Card
             key={x.id}
diff --git a/frontend/src/components/NewsPage/index.tsx b/frontend/src/components/NewsPage/index.tsx
index 9acdb7b..211e5dd 100644
--- a/frontend/src/components/NewsPage/index.tsx
+++ b/frontend/src/components/NewsPage/index.tsx
@@ -1,7 +1,11 @@
 import { Stack, Title, Image, Box } from '@mantine/core'
 import s from './index.module.css'
 
-export const NewsPage = ({ data }: { data: any }) => {
+export type NewsPageProps = {
+    data: any
+}
+
+export function NewsPage({ data }: NewsPageProps) {
     return (
         <Stack>
             <Box>
diff --git a/frontend/src/components/SubmissionFeed/CommentForm.tsx b/frontend/src/components/SubmissionFeed/CommentForm.tsx
index eeeafb5..f4bfeb7 100644
--- a/frontend/src/components/SubmissionFeed/CommentForm.tsx
+++ b/frontend/src/components/SubmissionFeed/CommentForm.tsx
@@ -22,7 +22,7 @@ const formSchema = z.object({
     comment: z.string().min(0, { message: 'Коментарий не может быть пустым' }).max(200, { message: 'Коментарий не может быть больше 200 символов' }),
 })
 
-export const CommentForm: React.FC<CommentFormProps> = ({ id, mutate }) => {
+export function CommentForm({ id, mutate }: CommentFormProps) {
     const { handleSubmit, control, reset, } = useForm<z.infer<typeof formSchema>>({
         resolver: zodResolver(formSchema),
         mode: 'onChange',
diff --git a/frontend/src/components/SubmissionFeed/Item.tsx b/frontend/src/components/SubmissionFeed/Item.tsx
index 35c5c27..73c591f 100644
--- a/frontend/src/components/SubmissionFeed/Item.tsx
+++ b/frontend/src/components/SubmissionFeed/Item.tsx
@@ -11,7 +11,7 @@ type ItemProps = {
     data: Submission
 }
 
-export const Item: React.FC<ItemProps> = ({ data }) => {
+export function Item({ data }: ItemProps) {
     const router = useRouter()
     const [opened, { toggle }] = useDisclosure(false)
     const { setDrawer } = useContext(NavbarContext)
diff --git a/frontend/src/components/SubmissionFeed/index.tsx b/frontend/src/components/SubmissionFeed/index.tsx
index 3165b30..52cddf2 100644
--- a/frontend/src/components/SubmissionFeed/index.tsx
+++ b/frontend/src/components/SubmissionFeed/index.tsx
@@ -13,7 +13,7 @@ import type { Feature, Submission, SubmissionResponse } from '@/types/submission
 
 export type { Feature, Submission, SubmissionResponse }
 
-export const SubmissionFeed: React.FC = () => {
+export function SubmissionFeed() {
     const router = useRouter()
     const hasMounted = useHasMounted()
     const isMobile = useMediaQuery('(max-width: 768px)', true)
diff --git a/frontend/src/components/SurveyModal/CheckboxList.tsx b/frontend/src/components/SurveyModal/CheckboxList.tsx
index 4c580dd..303f9ee 100644
--- a/frontend/src/components/SurveyModal/CheckboxList.tsx
+++ b/frontend/src/components/SurveyModal/CheckboxList.tsx
@@ -2,14 +2,16 @@ import { Fieldset, CheckboxGroup, Stack, Checkbox, Text } from '@mantine/core'
 import { FC } from 'react'
 import { FieldValues, UseFormWatch } from 'react-hook-form'
 
-export const CheckboxList: FC<{
-    field: FieldValues,
-    data: string[],
+export type CheckboxListProps = {
+    field: FieldValues
+    data: string[]
     watch: UseFormWatch<FieldValues>
     label: string
     description?: string
     maxValues?: number
-}> = ({ field, data, watch, label, description, maxValues = data.length }) => {
+}
+
+export function CheckboxList({ field, data, watch, label, description, maxValues = data.length }: CheckboxListProps) {
     const selectedOptions: string[] = watch(field.name, []) || []
 
 
diff --git a/frontend/src/components/SurveyModal/CheckboxWithOther.tsx b/frontend/src/components/SurveyModal/CheckboxWithOther.tsx
index 805b3be..1d817e5 100644
--- a/frontend/src/components/SurveyModal/CheckboxWithOther.tsx
+++ b/frontend/src/components/SurveyModal/CheckboxWithOther.tsx
@@ -2,16 +2,17 @@ import { Fieldset, CheckboxGroup, Stack, Checkbox, TextInput, Text } from '@mant
 import { FC, useState, useEffect, useCallback } from 'react'
 import { FieldValues, UseFormSetValue, UseFormWatch } from 'react-hook-form'
 
-
-export const CheckboxWithOther: FC<{
-    field: FieldValues,
-    data: string[],
+export type CheckboxWithOtherProps = {
+    field: FieldValues
+    data: string[]
     setValue: UseFormSetValue<FieldValues>
     watch: UseFormWatch<FieldValues>
     label: string
     description?: string
     maxValues?: number
-}> = ({ field, data, watch, setValue, label, description, maxValues = data.length }) => {
+}
+
+export function CheckboxWithOther({ field, data, watch, setValue, label, description, maxValues = data.length }: CheckboxWithOtherProps) {
     const [isShowOtherInput, setIsShowOtherInput] = useState(false)
     const [inputValue, setInputValue] = useState('Другое: ')
     const selectedOptions: string[] = watch(field.name, []) || []
diff --git a/frontend/src/components/SurveyModal/index.tsx b/frontend/src/components/SurveyModal/index.tsx
index 311c6f1..aff392b 100644
--- a/frontend/src/components/SurveyModal/index.tsx
+++ b/frontend/src/components/SurveyModal/index.tsx
@@ -655,7 +655,7 @@ type SchemaToComponentsProps = {
     formHook: any
     renderFilter?: Record<string, boolean>
 }
-const SchemaToComponents: FC<SchemaToComponentsProps> = ({ schema, formHook, renderFilter = {} }) => {
+function SchemaToComponents({ schema, formHook, renderFilter = {} }: SchemaToComponentsProps) {
     const { control, setValue, watch, register } = formHook // passed from parent cause it needed for filter
     return schema
         .filter((item) => renderFilter?.[item.id] ?? true)
@@ -852,7 +852,7 @@ const SchemaToComponents: FC<SchemaToComponentsProps> = ({ schema, formHook, ren
         })
 }
 
-const Tab1 = ({ onSubmit, submitText, onSubmitData }: TabProps): React.ReactElement => {
+function Tab1({ onSubmit, submitText, onSubmitData }: TabProps): React.ReactElement {
     const formHook = useForm()
     const { handleSubmit, control } = formHook
     const onSubmitWrapped = async (data: SurveyFormData) => {
@@ -894,7 +894,7 @@ const Tab1 = ({ onSubmit, submitText, onSubmitData }: TabProps): React.ReactElem
     )
 }
 
-const Tab2 = ({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElement => {
+function Tab2({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElement {
     const formHook = useForm()
     const { handleSubmit } = formHook
     return (
@@ -920,7 +920,7 @@ const Tab2 = ({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElemen
     )
 }
 
-const Tab3 = ({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElement => {
+function Tab3({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElement {
     const formHook = useForm()
     const { handleSubmit } = formHook
     return (
@@ -946,7 +946,7 @@ const Tab3 = ({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElemen
     )
 }
 
-const Tab4 = ({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElement => {
+function Tab4({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElement {
     const formHook = useForm()
     const { handleSubmit, control } = formHook
 
@@ -983,7 +983,7 @@ const Tab4 = ({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElemen
     )
 }
 
-const Tab5 = ({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElement => {
+function Tab5({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElement {
     const formHook = useForm()
     const { handleSubmit, control } = formHook
 
@@ -1026,7 +1026,7 @@ const Tab5 = ({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElemen
     )
 }
 
-const Tab6 = ({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElement => {
+function Tab6({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElement {
     const formHook = useForm()
     const { handleSubmit, control } = formHook
 
@@ -1064,7 +1064,7 @@ const Tab6 = ({ onSubmit = () => {}, setTabIndex }: TabProps): React.ReactElemen
     )
 }
 
-const Tab7 = ({ setTabIndex, globalFormValues, onSubmitData, submitText }: TabProps): React.ReactElement => {
+function Tab7({ setTabIndex, globalFormValues, onSubmitData, submitText }: TabProps): React.ReactElement {
     const formHook = useForm()
     const { handleSubmit, control } = formHook
     const onSubmit = async (data: SurveyFormData) => {
@@ -1105,7 +1105,7 @@ const Tab7 = ({ setTabIndex, globalFormValues, onSubmitData, submitText }: TabPr
     )
 }
 
-export const SurveyModal: FC<ContextModalProps> = () => {
+export function SurveyModal() {
     const modals = useModals()
     const [tabIndex, setTabIndex] = useState(0)
     const [globalFormValues, setGlobalFormValues] = useState<SurveyFormData | null>(null)

From 2dce60afd82dc655be48c583ab9f5b0392078860 Mon Sep 17 00:00:00 2001
From: Roman Timashev <roman@tmshv.ru>
Date: Sat, 7 Feb 2026 13:51:59 +0700
Subject: [PATCH 03/11] no any

---
 frontend/src/components/Gallery/index.tsx     |  5 +-
 frontend/src/components/IndexBest/index.tsx   |  3 +-
 frontend/src/components/Map/index.tsx         | 10 ++--
 frontend/src/components/NewsCard/index.tsx    |  3 +-
 frontend/src/components/NewsPage/index.tsx    |  3 +-
 frontend/src/components/SurveyModal/index.tsx | 31 +++++-----
 frontend/src/pages/index.tsx                  |  2 +-
 frontend/src/pages/map.tsx                    |  2 +-
 frontend/src/types/index.ts                   | 58 +++++++++++++++++++
 9 files changed, 92 insertions(+), 25 deletions(-)

diff --git a/frontend/src/components/Gallery/index.tsx b/frontend/src/components/Gallery/index.tsx
index 80dc120..5417623 100644
--- a/frontend/src/components/Gallery/index.tsx
+++ b/frontend/src/components/Gallery/index.tsx
@@ -5,6 +5,7 @@ import { useDisclosure } from '@mantine/hooks'
 import { useState } from 'react'
 import NextImage from 'next/image'
 import { useMedia } from 'react-use'
+import { GalleryImage } from '@/types'
 
 function PrevButton() {
     const swiper = useSwiper()
@@ -26,7 +27,7 @@ function PrevButton() {
 }
 
 export type GalleryProps = {
-    galleryImages: any[]
+    galleryImages: GalleryImage[]
 }
 
 export function Gallery({ galleryImages }: GalleryProps) {
@@ -48,7 +49,7 @@ export function Gallery({ galleryImages }: GalleryProps) {
                     open()
                 }}
             >
-                {galleryImages.map((x: any, i: number) => (
+                {galleryImages.map((x, i) => (
                     <SwiperSlide
                         key={x.src}
                     >
diff --git a/frontend/src/components/IndexBest/index.tsx b/frontend/src/components/IndexBest/index.tsx
index a7b53df..fa99955 100644
--- a/frontend/src/components/IndexBest/index.tsx
+++ b/frontend/src/components/IndexBest/index.tsx
@@ -3,6 +3,7 @@ import useSWR from 'swr'
 import s from './index.module.css'
 import Link from 'next/link'
 import Masonry from 'react-masonry-css'
+import { BestSubmission } from '@/types'
 
 export type IndexBestProps = {
     isMobile: boolean
@@ -62,7 +63,7 @@ export function IndexBest({ isMobile }: IndexBestProps) {
                     className={s.masonry}
                     columnClassName={s.masonryCol}
                 >
-                    {data.map((x: any) => (
+                    {data.map((x: BestSubmission) => (
                         <Card
                             key={x.id}
                             withBorder
diff --git a/frontend/src/components/Map/index.tsx b/frontend/src/components/Map/index.tsx
index f0a6b5b..bc57622 100644
--- a/frontend/src/components/Map/index.tsx
+++ b/frontend/src/components/Map/index.tsx
@@ -6,6 +6,8 @@ import { FormContext } from '@/contexts/form'
 import useSWR from 'swr'
 import { Popover, ScrollArea, Text } from '@mantine/core'
 import { useMediaQuery } from '@mantine/hooks'
+import { MapClickEvent } from '@/types'
+import { Submission } from '@/types/submission'
 
 import 'mapbox-gl/dist/mapbox-gl.css'
 
@@ -32,7 +34,7 @@ export function Map({ initialCoords }: MapProps) {
     const modals = useModals()
     const { data: formData, setData, addMode, setAddMode } = useContext(FormContext)
 
-    const onClick = useCallback((event: any) => {
+    const onClick = useCallback((event: MapClickEvent) => {
         if (!addMode) return
 
         const { lngLat } = event
@@ -65,8 +67,8 @@ export function Map({ initialCoords }: MapProps) {
     const router = useRouter()
     const isPreview = Boolean(router.query?.preview) == true
 
-    const features = (data?.items ?? [])
-        .filter((x: any) => x?.feature && JSON.stringify(x?.feature) !== '{}')
+    const features: Submission[] = (data?.items ?? [])
+        .filter((x: Submission) => x?.feature && JSON.stringify(x?.feature) !== '{}')
 
     return (
         <MapMapbox
@@ -103,7 +105,7 @@ export function Map({ initialCoords }: MapProps) {
                 />
             </Source>
             {(!isLoading && !error && data) && (!addMode) && features
-                .map((x: any, i: number) => (
+                .map((x, i) => (
                     <Marker
                         key={i}
                         longitude={x.feature.geometry.coordinates[0]}
diff --git a/frontend/src/components/NewsCard/index.tsx b/frontend/src/components/NewsCard/index.tsx
index d556efc..b31951b 100644
--- a/frontend/src/components/NewsCard/index.tsx
+++ b/frontend/src/components/NewsCard/index.tsx
@@ -1,8 +1,9 @@
 import { Card, Text, Image } from '@mantine/core'
 import Link from 'next/link'
+import { NewsData } from '@/types'
 
 export type NewsCardProps = {
-    x: any
+    x: NewsData
 }
 
 export function NewsCard({ x }: NewsCardProps) {
diff --git a/frontend/src/components/NewsPage/index.tsx b/frontend/src/components/NewsPage/index.tsx
index 211e5dd..e90c674 100644
--- a/frontend/src/components/NewsPage/index.tsx
+++ b/frontend/src/components/NewsPage/index.tsx
@@ -1,8 +1,9 @@
 import { Stack, Title, Image, Box } from '@mantine/core'
 import s from './index.module.css'
+import { NewsData } from '@/types'
 
 export type NewsPageProps = {
-    data: any
+    data: NewsData
 }
 
 export function NewsPage({ data }: NewsPageProps) {
diff --git a/frontend/src/components/SurveyModal/index.tsx b/frontend/src/components/SurveyModal/index.tsx
index aff392b..38b4e47 100644
--- a/frontend/src/components/SurveyModal/index.tsx
+++ b/frontend/src/components/SurveyModal/index.tsx
@@ -1,11 +1,11 @@
 import { Text, Select, Button, Textarea, Tabs, Group, Fieldset, Title, Stack, Center, Space, CloseButton, Slider, Box } from '@mantine/core'
 import { ContextModalProps, useModals } from '@mantine/modals'
 import { FC, useCallback, useRef, useState } from 'react'
-import { Controller, useForm, useWatch } from 'react-hook-form'
+import { Controller, useForm, useWatch, UseFormReturn } from 'react-hook-form'
 import { CheckboxWithOther } from './CheckboxWithOther'
 import { CheckboxList } from './CheckboxList'
 import Image from 'next/image'
-import { TabProps, SurveyFormData } from '@/types'
+import { TabProps, SurveyFormData, SurveySchemaItem } from '@/types'
 
 const states = {
     start: 'Отправить ответ',
@@ -651,8 +651,8 @@ const schema = [
 ]
 
 type SchemaToComponentsProps = {
-    schema: any[]
-    formHook: any
+    schema: SurveySchemaItem[]
+    formHook: UseFormReturn<SurveyFormData>
     renderFilter?: Record<string, boolean>
 }
 function SchemaToComponents({ schema, formHook, renderFilter = {} }: SchemaToComponentsProps) {
@@ -670,8 +670,9 @@ function SchemaToComponents({ schema, formHook, renderFilter = {} }: SchemaToCom
                             render={({ field }) => (
                                 <Select
                                     {...field}
+                                    value={typeof field.value === 'string' ? field.value : null}
                                     label={item.text}
-                                    data={item.data}
+                                    data={item.data ?? []}
                                     description={item?.description}
                                     styles={{
                                         wrapper: {
@@ -697,7 +698,7 @@ function SchemaToComponents({ schema, formHook, renderFilter = {} }: SchemaToCom
                                     label={item.text}
                                     description={item?.description}
                                     maxValues={item?.maxValues}
-                                    data={item.data}
+                                    data={item.data ?? []}
                                 />
                             )}
                         />
@@ -746,7 +747,7 @@ function SchemaToComponents({ schema, formHook, renderFilter = {} }: SchemaToCom
                             variant='filled'
                         >
                             <Stack>
-                                {item.list.map((listItem: string, index: number) => (
+                                {(item.list ?? []).map((listItem: string, index: number) => (
                                     <Controller
                                         key={listItem}
                                         name={`${item.id}-${index}`}
@@ -755,6 +756,7 @@ function SchemaToComponents({ schema, formHook, renderFilter = {} }: SchemaToCom
                                         render={({ field }) => (
                                             <Select
                                                 {...field}
+                                                value={typeof field.value === 'string' ? field.value : null}
                                                 label={listItem}
                                                 styles={{
                                                     label: {
@@ -764,7 +766,7 @@ function SchemaToComponents({ schema, formHook, renderFilter = {} }: SchemaToCom
                                                         '--input-bd-focus': 'var(--mantine-color-secondary-0)',
                                                     }
                                                 }}
-                                                data={item.data}
+                                                data={item.data ?? []}
                                             />
                                         )}
                                     />
@@ -790,7 +792,7 @@ function SchemaToComponents({ schema, formHook, renderFilter = {} }: SchemaToCom
                                 {item?.description}
                             </Text>
                             <Stack>
-                                {item.list.map((listItem: string, index: number) => (
+                                {(item.list ?? []).map((listItem: string, index: number) => (
                                     <Controller
                                         key={listItem}
                                         name={`${item.id}-${index}`}
@@ -805,11 +807,12 @@ function SchemaToComponents({ schema, formHook, renderFilter = {} }: SchemaToCom
                                                 </Text>
                                                 <Slider
                                                     {...field}
+                                                    value={typeof field.value === 'number' ? field.value : 0}
                                                     step={1}
                                                     min={0}
-                                                    max={item.marks.length - 1}
+                                                    max={(item.marks ?? []).length - 1}
                                                     defaultValue={0}
-                                                    marks={item.marks.map((x: number) => ({ value: x, label: String(x) }))}
+                                                    marks={(item.marks ?? []).map((x: number) => ({ value: x, label: String(x) }))}
                                                     label={null}
                                                     styles={{
                                                         root: {
@@ -838,7 +841,7 @@ function SchemaToComponents({ schema, formHook, renderFilter = {} }: SchemaToCom
                                     label={item.text}
                                     description={item?.description}
                                     maxValues={item?.maxValues}
-                                    data={item.data}
+                                    data={item.data ?? []}
                                 />
                             )}
                         />
@@ -1136,9 +1139,9 @@ export function SurveyModal() {
         const splited = key.split('-')
         const i = splited.pop()
         const id = splited.join('-')
-        const schemaQuestion = schema.find((x: any) => id == x.id)
+        const schemaQuestion = schema.find((x) => id == x.id)
 
-        return schemaQuestion ? `${schemaQuestion.text}: ${schemaQuestion.list?.[i as any]}` : ''
+        return schemaQuestion ? `${schemaQuestion.text}: ${schemaQuestion.list?.[Number(i)]}` : ''
     }, [])
 
     const onSubmitData = async (data: SurveyFormData) => {
diff --git a/frontend/src/pages/index.tsx b/frontend/src/pages/index.tsx
index 4fde1ae..3011e11 100644
--- a/frontend/src/pages/index.tsx
+++ b/frontend/src/pages/index.tsx
@@ -1,6 +1,6 @@
 import { IndexPage } from '@/components/IndexPage'
 
-export default function Page({ data }: { data?: any }) {
+export default function Page() {
     return (
         <IndexPage
         // data={data}
diff --git a/frontend/src/pages/map.tsx b/frontend/src/pages/map.tsx
index aad0e05..0423089 100644
--- a/frontend/src/pages/map.tsx
+++ b/frontend/src/pages/map.tsx
@@ -86,7 +86,7 @@ export const getServerSideProps = async (ctx: GetServerSidePropsContext) => {
     return {
         props: {
             fallback: {
-                [`/api/submissions?limit=1000`]: { docs: [] as any[] }
+                [`/api/submissions?limit=1000`]: { docs: [] }
             }
         }
     }
diff --git a/frontend/src/types/index.ts b/frontend/src/types/index.ts
index ff5b52d..a9e68d7 100644
--- a/frontend/src/types/index.ts
+++ b/frontend/src/types/index.ts
@@ -44,3 +44,61 @@ export type InputChangeHandler = (event: React.ChangeEvent<HTMLInputElement>) =>
 
 // Mantine color helper
 export type MantineColorArray = [string, string, string, string, string, string, string, string, string, string]
+
+// Gallery types
+export type GalleryImage = {
+    src: string
+    alt?: string
+}
+
+// News types
+export type NewsData = {
+    id: string
+    title: string
+    content_html: string
+    image: {
+        url: string
+        width: number
+        height: number
+        thumbnail: {
+            url: string
+            width: number
+            height: number
+        }
+        alt?: string
+    }
+}
+
+// Survey schema types
+export type SurveySchemaItem = {
+    id: string
+    type: string
+    text: string
+    description?: string
+    data?: string[]
+    list?: string[]
+    maxValues?: number
+    rows?: number
+    marks?: number[]
+}
+
+// Map types
+export type MapClickEvent = {
+    lngLat: {
+        lng: number
+        lat: number
+    }
+    point: {
+        x: number
+        y: number
+    }
+    originalEvent: MouseEvent
+}
+
+// Best submissions types
+export type BestSubmission = {
+    id: string
+    description: string
+    isPoint?: [number, number]
+    comments: number
+}

From beaeb3d475d00820f5d70dafdecdb17d8db177c8 Mon Sep 17 00:00:00 2001
From: Roman Timashev <roman@tmshv.ru>
Date: Sat, 7 Feb 2026 14:04:29 +0700
Subject: [PATCH 04/11] lint update

---
 .github/workflows/test-app.yml |  26 ++
 frontend/.eslintrc.json        |  16 +-
 frontend/package-lock.json     | 459 ++++++++++++++++++++-------------
 frontend/package.json          |   7 +-
 4 files changed, 325 insertions(+), 183 deletions(-)

diff --git a/.github/workflows/test-app.yml b/.github/workflows/test-app.yml
index 7b2ea7b..f90a4ce 100644
--- a/.github/workflows/test-app.yml
+++ b/.github/workflows/test-app.yml
@@ -6,6 +6,32 @@ on:
             - "frontend/**"
 
 jobs:
+    lint:
+        name: Lint Frontend
+        runs-on: ubuntu-latest
+        defaults:
+            run:
+                working-directory: ./frontend
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v4
+
+            - name: Setup Node.js
+              uses: actions/setup-node@v4
+              with:
+                  node-version: "24"
+                  cache: "npm"
+                  cache-dependency-path: ./frontend/package-lock.json
+
+            - name: Install dependencies
+              run: npm ci
+
+            - name: Run ESLint
+              run: npm run lint
+
+            - name: Run TypeScript check
+              run: npx tsc --noEmit
+
     build:
         name: Build Image Without Push
         runs-on: ubuntu-latest
diff --git a/frontend/.eslintrc.json b/frontend/.eslintrc.json
index 002bb31..c3c43f3 100644
--- a/frontend/.eslintrc.json
+++ b/frontend/.eslintrc.json
@@ -1,6 +1,16 @@
 {
-  "extends": "next/core-web-vitals",
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended"
+  ],
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": "latest",
+    "sourceType": "module",
+    "project": "./tsconfig.json"
+  },
   "rules": {
-    "react/jsx-key": [1, { "checkFragmentShorthand": true }]
-  }
+    "@typescript-eslint/no-explicit-any": "error"
+  },
+  "ignorePatterns": [".next/", "node_modules/", "out/", "temp/"]
 }
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 1d0c1ca..82669c8 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -33,7 +33,7 @@
                 "@types/qs": "^6.9.15",
                 "@types/react": "^19.2.0",
                 "@types/react-dom": "^19.2.0",
-                "eslint": "^9",
+                "eslint": "^8.57.1",
                 "eslint-config-next": "^16.1.1",
                 "postcss": "^8.4.33",
                 "postcss-preset-mantine": "^1.13.0",
@@ -365,106 +365,38 @@
                 "node": "^12.0.0 || ^14.0.0 || >=16.0.0"
             }
         },
-        "node_modules/@eslint/config-array": {
-            "version": "0.21.1",
-            "resolved": "https://registry.npmjs.org/@eslint/config-array/-/config-array-0.21.1.tgz",
-            "integrity": "sha512-aw1gNayWpdI/jSYVgzN5pL0cfzU02GT3NBpeT/DXbx1/1x7ZKxFPd9bwrzygx/qiwIQiJ1sw/zD8qY/kRvlGHA==",
-            "dev": true,
-            "license": "Apache-2.0",
-            "dependencies": {
-                "@eslint/object-schema": "^2.1.7",
-                "debug": "^4.3.1",
-                "minimatch": "^3.1.2"
-            },
-            "engines": {
-                "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
-            }
-        },
-        "node_modules/@eslint/config-helpers": {
-            "version": "0.4.2",
-            "resolved": "https://registry.npmjs.org/@eslint/config-helpers/-/config-helpers-0.4.2.tgz",
-            "integrity": "sha512-gBrxN88gOIf3R7ja5K9slwNayVcZgK6SOUORm2uBzTeIEfeVaIhOpCtTox3P6R7o2jLFwLFTLnC7kU/RGcYEgw==",
-            "dev": true,
-            "license": "Apache-2.0",
-            "dependencies": {
-                "@eslint/core": "^0.17.0"
-            },
-            "engines": {
-                "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
-            }
-        },
-        "node_modules/@eslint/core": {
-            "version": "0.17.0",
-            "resolved": "https://registry.npmjs.org/@eslint/core/-/core-0.17.0.tgz",
-            "integrity": "sha512-yL/sLrpmtDaFEiUj1osRP4TI2MDz1AddJL+jZ7KSqvBuliN4xqYY54IfdN8qD8Toa6g1iloph1fxQNkjOxrrpQ==",
-            "dev": true,
-            "license": "Apache-2.0",
-            "dependencies": {
-                "@types/json-schema": "^7.0.15"
-            },
-            "engines": {
-                "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
-            }
-        },
         "node_modules/@eslint/eslintrc": {
-            "version": "3.3.3",
-            "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-3.3.3.tgz",
-            "integrity": "sha512-Kr+LPIUVKz2qkx1HAMH8q1q6azbqBAsXJUxBl/ODDuVPX45Z9DfwB8tPjTi6nNZ8BuM3nbJxC5zCAg5elnBUTQ==",
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         "node_modules/function-bind": {
             "version": "1.1.2",
             "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.2.tgz",
@@ -3990,6 +3955,28 @@
             "integrity": "sha512-latSnyDNt/8zYUB6VIJ6PCh2jBjJX6gnDsoCZ7LyW7GkqrD51EWwa9qCoGixj8YqBtETQK/xY7OmpTF8xz1DdQ==",
             "license": "MIT"
         },
+        "node_modules/glob": {
+            "version": "7.2.3",
+            "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.3.tgz",
+            "integrity": "sha512-nFR0zLpU2YCaRxwoCJvL6UvCH2JFyFVIvwTLsIf21AuHlMskA1hhTdk+LlYJtOlYt9v6dvszD2BGRqBL+iQK9Q==",
+            "deprecated": "Old versions of glob are not supported, and contain widely publicized security vulnerabilities, which have been fixed in the current version. Please update. Support for old versions may be purchased (at exorbitant rates) by contacting i@izs.me",
+            "dev": true,
+            "license": "ISC",
+            "dependencies": {
+                "fs.realpath": "^1.0.0",
+                "inflight": "^1.0.4",
+                "inherits": "2",
+                "minimatch": "^3.1.1",
+                "once": "^1.3.0",
+                "path-is-absolute": "^1.0.0"
+            },
+            "engines": {
+                "node": "*"
+            },
+            "funding": {
+                "url": "https://github.com/sponsors/isaacs"
+            }
+        },
         "node_modules/glob-parent": {
             "version": "6.0.2",
             "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-6.0.2.tgz",
@@ -4004,13 +3991,29 @@
             }
         },
         "node_modules/globals": {
-            "version": "14.0.0",
-            "resolved": "https://registry.npmjs.org/globals/-/globals-14.0.0.tgz",
-            "integrity": "sha512-oahGvuMGQlPw/ivIYBjVSrWAfWLBeku5tpPE2fOPLi+WHffIWbuh2tCjhyQhTBPMf5E9jDEH4FOmTYgYwbKwtQ==",
+            "version": "13.24.0",
+            "resolved": "https://registry.npmjs.org/globals/-/globals-13.24.0.tgz",
+            "integrity": "sha512-AhO5QUcj8llrbG09iWhPU2B204J1xnPeL8kQmVorSsy+Sjj1sk8gIyh6cUocGmH4L0UuhAJy+hJMRA4mgA4mFQ==",
             "dev": true,
             "license": "MIT",
+            "dependencies": {
+                "type-fest": "^0.20.2"
+            },
             "engines": {
-                "node": ">=18"
+                "node": ">=8"
+            },
+            "funding": {
+                "url": "https://github.com/sponsors/sindresorhus"
+            }
+        },
+        "node_modules/globals/node_modules/type-fest": {
+            "version": "0.20.2",
+            "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.20.2.tgz",
+            "integrity": "sha512-Ne+eE4r0/iWnpAxD852z3A+N0Bt5RN//NjJwRd2VFHEmrywxf5vsZlh4R6lixl6B+wz/8d+maTSAkN1FIkI3LQ==",
+            "dev": true,
+            "license": "(MIT OR CC0-1.0)",
+            "engines": {
+                "node": ">=10"
             },
             "funding": {
                 "url": "https://github.com/sponsors/sindresorhus"
@@ -4045,6 +4048,13 @@
                 "url": "https://github.com/sponsors/ljharb"
             }
         },
+        "node_modules/graphemer": {
+            "version": "1.4.0",
+            "resolved": "https://registry.npmjs.org/graphemer/-/graphemer-1.4.0.tgz",
+            "integrity": "sha512-EtKwoO6kxCL9WO5xipiHTZlSzBm7WLT627TqC/uVRd0HKmq8NXyebnNYxDoBi7wt8eTWrUrKXCOVaFq9x1kgag==",
+            "dev": true,
+            "license": "MIT"
+        },
         "node_modules/grid-index": {
             "version": "1.1.0",
             "resolved": "https://registry.npmjs.org/grid-index/-/grid-index-1.1.0.tgz",
@@ -4203,6 +4213,25 @@
                 "node": ">=0.8.19"
             }
         },
+        "node_modules/inflight": {
+            "version": "1.0.6",
+            "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
+            "integrity": "sha512-k92I/b08q4wvFscXCLvqfsHCrjrF7yiXsQuIVvVE7N82W3+aqpzuUdBbfhWcy/FZR3/4IgflMgKLOsvPDrGCJA==",
+            "deprecated": "This module is not supported, and leaks memory. Do not use it. Check out lru-cache if you want a good and tested way to coalesce async requests by a key value, which is much more comprehensive and powerful.",
+            "dev": true,
+            "license": "ISC",
+            "dependencies": {
+                "once": "^1.3.0",
+                "wrappy": "1"
+            }
+        },
+        "node_modules/inherits": {
+            "version": "2.0.4",
+            "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+            "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+            "dev": true,
+            "license": "ISC"
+        },
         "node_modules/inline-style-prefixer": {
             "version": "7.0.1",
             "resolved": "https://registry.npmjs.org/inline-style-prefixer/-/inline-style-prefixer-7.0.1.tgz",
@@ -4506,6 +4535,16 @@
                 "url": "https://github.com/sponsors/ljharb"
             }
         },
+        "node_modules/is-path-inside": {
+            "version": "3.0.3",
+            "resolved": "https://registry.npmjs.org/is-path-inside/-/is-path-inside-3.0.3.tgz",
+            "integrity": "sha512-Fd4gABb+ycGAmKou8eMftCupSir5lRxqf4aD/vd0cD2qc4HL07OjCeuHMr8Ro4CoMaeCKDB0/ECBOVWjTwUvPQ==",
+            "dev": true,
+            "license": "MIT",
+            "engines": {
+                "node": ">=8"
+            }
+        },
         "node_modules/is-plain-object": {
             "version": "2.0.4",
             "resolved": "https://registry.npmjs.org/is-plain-object/-/is-plain-object-2.0.4.tgz",
@@ -5339,6 +5378,16 @@
                 "url": "https://github.com/sponsors/ljharb"
             }
         },
+        "node_modules/once": {
+            "version": "1.4.0",
+            "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+            "integrity": "sha512-lNaJgI+2Q5URQBkccEKHTQOPaXdUxnZZElQTZY0MFUAuaEqe1E+Nyvgdz/aIyNi6Z9MzO5dv1H8n58/GELp3+w==",
+            "dev": true,
+            "license": "ISC",
+            "dependencies": {
+                "wrappy": "1"
+            }
+        },
         "node_modules/optionator": {
             "version": "0.9.4",
             "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.9.4.tgz",
@@ -5430,6 +5479,16 @@
                 "node": ">=8"
             }
         },
+        "node_modules/path-is-absolute": {
+            "version": "1.0.1",
+            "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+            "integrity": "sha512-AVbw3UJ2e9bq64vSaS9Am0fje1Pa8pbGqTTsmXfaIiMpnr5DlDhfJOuLj9Sf95ZPVDAUerDfEk88MPmPe7UCQg==",
+            "dev": true,
+            "license": "MIT",
+            "engines": {
+                "node": ">=0.10.0"
+            }
+        },
         "node_modules/path-key": {
             "version": "3.1.1",
             "resolved": "https://registry.npmjs.org/path-key/-/path-key-3.1.1.tgz",
@@ -6048,6 +6107,23 @@
                 "node": ">=0.10.0"
             }
         },
+        "node_modules/rimraf": {
+            "version": "3.0.2",
+            "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
+            "integrity": "sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==",
+            "deprecated": "Rimraf versions prior to v4 are no longer supported",
+            "dev": true,
+            "license": "ISC",
+            "dependencies": {
+                "glob": "^7.1.3"
+            },
+            "bin": {
+                "rimraf": "bin.js"
+            },
+            "funding": {
+                "url": "https://github.com/sponsors/isaacs"
+            }
+        },
         "node_modules/robust-predicates": {
             "version": "2.0.4",
             "resolved": "https://registry.npmjs.org/robust-predicates/-/robust-predicates-2.0.4.tgz",
@@ -6683,6 +6759,19 @@
                 "url": "https://github.com/sponsors/ljharb"
             }
         },
+        "node_modules/strip-ansi": {
+            "version": "6.0.1",
+            "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
+            "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "ansi-regex": "^5.0.1"
+            },
+            "engines": {
+                "node": ">=8"
+            }
+        },
         "node_modules/strip-bom": {
             "version": "3.0.0",
             "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
@@ -6836,6 +6925,13 @@
             "integrity": "sha512-05PUHKSNE8ou2dwIxTngl4EzcnsCDZGJ/iCLtDflR/SHB/ny14rXc+qU5P4mG9JkusiV7EivzY9Mhm55AzAvCg==",
             "license": "MIT"
         },
+        "node_modules/text-table": {
+            "version": "0.2.0",
+            "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
+            "integrity": "sha512-N+8UisAXDGk8PFXP4HAzVR9nbfmVJ3zYLAWiTIoqC5v5isinhr+r5uaO8+7r3BMfuNIufIsA7RdpVgacC2cSpw==",
+            "dev": true,
+            "license": "MIT"
+        },
         "node_modules/throttle-debounce": {
             "version": "3.0.1",
             "resolved": "https://registry.npmjs.org/throttle-debounce/-/throttle-debounce-3.0.1.tgz",
@@ -7461,6 +7557,13 @@
                 "node": ">=0.10.0"
             }
         },
+        "node_modules/wrappy": {
+            "version": "1.0.2",
+            "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+            "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
+            "dev": true,
+            "license": "ISC"
+        },
         "node_modules/yallist": {
             "version": "3.1.1",
             "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
diff --git a/frontend/package.json b/frontend/package.json
index bd77898..af8d76d 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -7,7 +7,10 @@
         "dev": "next dev",
         "build": "next build",
         "start": "next start",
-        "lint": "next lint",
+        "lint": "eslint . --ext .ts,.tsx",
+        "lint:fix": "eslint . --ext .ts,.tsx --fix",
+        "type-check": "tsc --noEmit",
+        "validate": "npm run type-check && npm run lint",
         "api": " cd ../backend && npm run dev"
     },
     "dependencies": {
@@ -36,7 +39,7 @@
         "@types/qs": "^6.9.15",
         "@types/react": "^19.2.0",
         "@types/react-dom": "^19.2.0",
-        "eslint": "^9",
+        "eslint": "^8.57.1",
         "eslint-config-next": "^16.1.1",
         "postcss": "^8.4.33",
         "postcss-preset-mantine": "^1.13.0",

From 2cab906eb1e3ad65fb82413e2cf91b30d47c7d84 Mon Sep 17 00:00:00 2001
From: Roman Timashev <roman@tmshv.ru>
Date: Sat, 7 Feb 2026 20:54:36 +0700
Subject: [PATCH 05/11] claude file updated

---
 CLAUDE.md | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/CLAUDE.md b/CLAUDE.md
index c217aad..5f23467 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -143,8 +143,16 @@ const handleChange = (event: React.ChangeEvent<HTMLInputElement>) => { ... }
 
 **Form Data**: Use `z.infer<typeof schema>` for React Hook Form + Zod type extraction
 
+**Explicit `any` is Forbidden**: Never use explicit `any` types in the codebase:
+- Use proper type definitions from `@/types` or create new ones
+- For complex types, use `unknown` and narrow with type guards, or define proper interfaces
+- For truly dynamic data, use `Record<string, unknown>` instead of `any`
+- Third-party library types should use their exported types or be properly typed
+- Note: TypeScript's strict mode catches implicit `any`, but explicit `any` must be avoided manually
+- To enforce with tooling: Consider ESLint with `@typescript-eslint/no-explicit-any` rule
+
 **When Adding New Code**:
 1. Run `npx tsc --noEmit` to verify types before committing
-2. Never use `any` unless absolutely necessary (e.g., complex third-party types)
+2. NEVER use explicit `any` - see "Explicit `any` is Forbidden" section above
 3. Import shared types from `@/types` rather than defining inline
 4. Add return types to exported functions and React components

From 95fdcb3f0ed095a6441476c611528e9199fa399d Mon Sep 17 00:00:00 2001
From: Roman Timashev <roman@tmshv.ru>
Date: Sat, 7 Feb 2026 21:08:29 +0700
Subject: [PATCH 06/11] update and fix eslint

---
 frontend/.eslintrc.json    |  16 --
 frontend/eslint.config.mjs |  19 ++
 frontend/package-lock.json | 459 ++++++++++++++-----------------------
 frontend/package.json      |   6 +-
 4 files changed, 200 insertions(+), 300 deletions(-)
 delete mode 100644 frontend/.eslintrc.json
 create mode 100644 frontend/eslint.config.mjs

diff --git a/frontend/.eslintrc.json b/frontend/.eslintrc.json
deleted file mode 100644
index c3c43f3..0000000
--- a/frontend/.eslintrc.json
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-  "extends": [
-    "eslint:recommended",
-    "plugin:@typescript-eslint/recommended"
-  ],
-  "parser": "@typescript-eslint/parser",
-  "parserOptions": {
-    "ecmaVersion": "latest",
-    "sourceType": "module",
-    "project": "./tsconfig.json"
-  },
-  "rules": {
-    "@typescript-eslint/no-explicit-any": "error"
-  },
-  "ignorePatterns": [".next/", "node_modules/", "out/", "temp/"]
-}
diff --git a/frontend/eslint.config.mjs b/frontend/eslint.config.mjs
new file mode 100644
index 0000000..b9c0e0c
--- /dev/null
+++ b/frontend/eslint.config.mjs
@@ -0,0 +1,19 @@
+import nextConfig from "eslint-config-next"
+import nextCoreWebVitals from "eslint-config-next/core-web-vitals"
+import nextTypescript from "eslint-config-next/typescript"
+
+const eslintConfig = [
+    ...nextConfig,
+    ...nextCoreWebVitals,
+    ...nextTypescript,
+    {
+        rules: {
+            "@typescript-eslint/no-explicit-any": "error",
+        },
+    },
+    {
+        ignores: [".next/", "node_modules/", "out/", "temp/"],
+    },
+]
+
+export default eslintConfig
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 82669c8..02fe077 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -33,7 +33,7 @@
                 "@types/qs": "^6.9.15",
                 "@types/react": "^19.2.0",
                 "@types/react-dom": "^19.2.0",
-                "eslint": "^8.57.1",
+                "eslint": "^9.39.2",
                 "eslint-config-next": "^16.1.1",
                 "postcss": "^8.4.33",
                 "postcss-preset-mantine": "^1.13.0",
@@ -365,38 +365,106 @@
                 "node": "^12.0.0 || ^14.0.0 || >=16.0.0"
             }
         },
+        "node_modules/@eslint/config-array": {
+            "version": "0.21.1",
+            "resolved": "https://registry.npmjs.org/@eslint/config-array/-/config-array-0.21.1.tgz",
+            "integrity": "sha512-aw1gNayWpdI/jSYVgzN5pL0cfzU02GT3NBpeT/DXbx1/1x7ZKxFPd9bwrzygx/qiwIQiJ1sw/zD8qY/kRvlGHA==",
+            "dev": true,
+            "license": "Apache-2.0",
+            "dependencies": {
+                "@eslint/object-schema": "^2.1.7",
+                "debug": "^4.3.1",
+                "minimatch": "^3.1.2"
+            },
+            "engines": {
+                "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+            }
+        },
+        "node_modules/@eslint/config-helpers": {
+            "version": "0.4.2",
+            "resolved": "https://registry.npmjs.org/@eslint/config-helpers/-/config-helpers-0.4.2.tgz",
+            "integrity": "sha512-gBrxN88gOIf3R7ja5K9slwNayVcZgK6SOUORm2uBzTeIEfeVaIhOpCtTox3P6R7o2jLFwLFTLnC7kU/RGcYEgw==",
+            "dev": true,
+            "license": "Apache-2.0",
+            "dependencies": {
+                "@eslint/core": "^0.17.0"
+            },
+            "engines": {
+                "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+            }
+        },
+        "node_modules/@eslint/core": {
+            "version": "0.17.0",
+            "resolved": "https://registry.npmjs.org/@eslint/core/-/core-0.17.0.tgz",
+            "integrity": "sha512-yL/sLrpmtDaFEiUj1osRP4TI2MDz1AddJL+jZ7KSqvBuliN4xqYY54IfdN8qD8Toa6g1iloph1fxQNkjOxrrpQ==",
+            "dev": true,
+            "license": "Apache-2.0",
+            "dependencies": {
+                "@types/json-schema": "^7.0.15"
+            },
+            "engines": {
+                "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+            }
+        },
         "node_modules/@eslint/eslintrc": {
-            "version": "2.1.4",
-            "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-2.1.4.tgz",
-            "integrity": "sha512-269Z39MS6wVJtsoUl10L60WdkhJVdPG24Q4eZTH3nnF6lpvSShEK3wQjDX9JRWAUPvPh7COouPpU9IrqaZFvtQ==",
+            "version": "3.3.3",
+            "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-3.3.3.tgz",
+            "integrity": "sha512-Kr+LPIUVKz2qkx1HAMH8q1q6azbqBAsXJUxBl/ODDuVPX45Z9DfwB8tPjTi6nNZ8BuM3nbJxC5zCAg5elnBUTQ==",
             "dev": true,
             "license": "MIT",
             "dependencies": {
                 "ajv": "^6.12.4",
                 "debug": "^4.3.2",
-                "espree": "^9.6.0",
-                "globals": "^13.19.0",
+                "espree": "^10.0.1",
+                "globals": "^14.0.0",
                 "ignore": "^5.2.0",
                 "import-fresh": "^3.2.1",
-                "js-yaml": "^4.1.0",
+                "js-yaml": "^4.1.1",
                 "minimatch": "^3.1.2",
                 "strip-json-comments": "^3.1.1"
             },
             "engines": {
-                "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+                "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
             },
             "funding": {
                 "url": "https://opencollective.com/eslint"
             }
         },
         "node_modules/@eslint/js": {
-            "version": "8.57.1",
-            "resolved": "https://registry.npmjs.org/@eslint/js/-/js-8.57.1.tgz",
-            "integrity": "sha512-d9zaMRSTIKDLhctzH12MtXvJKSSUhaHcjV+2Z+GK+EEY7XKpP5yR4x+N3TAcHTcu963nIr+TMcCb4DBCYX1z6Q==",
+            "version": "9.39.2",
+            "resolved": "https://registry.npmjs.org/@eslint/js/-/js-9.39.2.tgz",
+            "integrity": "sha512-q1mjIoW1VX4IvSocvM/vbTiveKC4k9eLrajNEuSsmjymSDEbpGddtpfOoN7YGAqBK3NG+uqo8ia4PDTt8buCYA==",
             "dev": true,
             "license": "MIT",
             "engines": {
-                "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+                "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+            },
+            "funding": {
+                "url": "https://eslint.org/donate"
+            }
+        },
+        "node_modules/@eslint/object-schema": {
+            "version": "2.1.7",
+            "resolved": "https://registry.npmjs.org/@eslint/object-schema/-/object-schema-2.1.7.tgz",
+            "integrity": "sha512-VtAOaymWVfZcmZbp6E2mympDIHvyjXs/12LqWYjVw6qjrfF+VK+fyG33kChz3nnK+SU5/NeHOqrTEHS8sXO3OA==",
+            "dev": true,
+            "license": "Apache-2.0",
+            "engines": {
+                "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+            }
+        },
+        "node_modules/@eslint/plugin-kit": {
+            "version": "0.4.1",
+            "resolved": "https://registry.npmjs.org/@eslint/plugin-kit/-/plugin-kit-0.4.1.tgz",
+            "integrity": "sha512-43/qtrDUokr7LJqoF2c3+RInu/t4zfrpYdoSDfYyhg52rwLV6TnOvdG4fXm7IkSB3wErkcmJS9iEhjVtOSEjjA==",
+            "dev": true,
+            "license": "Apache-2.0",
+            "dependencies": {
+                "@eslint/core": "^0.17.0",
+                "levn": "^0.4.1"
+            },
+            "engines": {
+                "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
             }
         },
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-            "license": "MIT"
-        },
         "node_modules/grid-index": {
             "version": "1.1.0",
             "resolved": "https://registry.npmjs.org/grid-index/-/grid-index-1.1.0.tgz",
@@ -4213,25 +4203,6 @@
                 "node": ">=0.8.19"
             }
         },
-        "node_modules/inflight": {
-            "version": "1.0.6",
-            "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
-            "integrity": "sha512-k92I/b08q4wvFscXCLvqfsHCrjrF7yiXsQuIVvVE7N82W3+aqpzuUdBbfhWcy/FZR3/4IgflMgKLOsvPDrGCJA==",
-            "deprecated": "This module is not supported, and leaks memory. Do not use it. Check out lru-cache if you want a good and tested way to coalesce async requests by a key value, which is much more comprehensive and powerful.",
-            "dev": true,
-            "license": "ISC",
-            "dependencies": {
-                "once": "^1.3.0",
-                "wrappy": "1"
-            }
-        },
-        "node_modules/inherits": {
-            "version": "2.0.4",
-            "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
-            "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
-            "dev": true,
-            "license": "ISC"
-        },
         "node_modules/inline-style-prefixer": {
             "version": "7.0.1",
             "resolved": "https://registry.npmjs.org/inline-style-prefixer/-/inline-style-prefixer-7.0.1.tgz",
@@ -4535,16 +4506,6 @@
                 "url": "https://github.com/sponsors/ljharb"
             }
         },
-        "node_modules/is-path-inside": {
-            "version": "3.0.3",
-            "resolved": "https://registry.npmjs.org/is-path-inside/-/is-path-inside-3.0.3.tgz",
-            "integrity": "sha512-Fd4gABb+ycGAmKou8eMftCupSir5lRxqf4aD/vd0cD2qc4HL07OjCeuHMr8Ro4CoMaeCKDB0/ECBOVWjTwUvPQ==",
-            "dev": true,
-            "license": "MIT",
-            "engines": {
-                "node": ">=8"
-            }
-        },
         "node_modules/is-plain-object": {
             "version": "2.0.4",
             "resolved": "https://registry.npmjs.org/is-plain-object/-/is-plain-object-2.0.4.tgz",
@@ -5378,16 +5339,6 @@
                 "url": "https://github.com/sponsors/ljharb"
             }
         },
-        "node_modules/once": {
-            "version": "1.4.0",
-            "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
-            "integrity": "sha512-lNaJgI+2Q5URQBkccEKHTQOPaXdUxnZZElQTZY0MFUAuaEqe1E+Nyvgdz/aIyNi6Z9MzO5dv1H8n58/GELp3+w==",
-            "dev": true,
-            "license": "ISC",
-            "dependencies": {
-                "wrappy": "1"
-            }
-        },
         "node_modules/optionator": {
             "version": "0.9.4",
             "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.9.4.tgz",
@@ -5479,16 +5430,6 @@
                 "node": ">=8"
             }
         },
-        "node_modules/path-is-absolute": {
-            "version": "1.0.1",
-            "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
-            "integrity": "sha512-AVbw3UJ2e9bq64vSaS9Am0fje1Pa8pbGqTTsmXfaIiMpnr5DlDhfJOuLj9Sf95ZPVDAUerDfEk88MPmPe7UCQg==",
-            "dev": true,
-            "license": "MIT",
-            "engines": {
-                "node": ">=0.10.0"
-            }
-        },
         "node_modules/path-key": {
             "version": "3.1.1",
             "resolved": "https://registry.npmjs.org/path-key/-/path-key-3.1.1.tgz",
@@ -6107,23 +6048,6 @@
                 "node": ">=0.10.0"
             }
         },
-        "node_modules/rimraf": {
-            "version": "3.0.2",
-            "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
-            "integrity": "sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==",
-            "deprecated": "Rimraf versions prior to v4 are no longer supported",
-            "dev": true,
-            "license": "ISC",
-            "dependencies": {
-                "glob": "^7.1.3"
-            },
-            "bin": {
-                "rimraf": "bin.js"
-            },
-            "funding": {
-                "url": "https://github.com/sponsors/isaacs"
-            }
-        },
         "node_modules/robust-predicates": {
             "version": "2.0.4",
             "resolved": "https://registry.npmjs.org/robust-predicates/-/robust-predicates-2.0.4.tgz",
@@ -6759,19 +6683,6 @@
                 "url": "https://github.com/sponsors/ljharb"
             }
         },
-        "node_modules/strip-ansi": {
-            "version": "6.0.1",
-            "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
-            "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
-            "dev": true,
-            "license": "MIT",
-            "dependencies": {
-                "ansi-regex": "^5.0.1"
-            },
-            "engines": {
-                "node": ">=8"
-            }
-        },
         "node_modules/strip-bom": {
             "version": "3.0.0",
             "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
@@ -6925,13 +6836,6 @@
             "integrity": "sha512-05PUHKSNE8ou2dwIxTngl4EzcnsCDZGJ/iCLtDflR/SHB/ny14rXc+qU5P4mG9JkusiV7EivzY9Mhm55AzAvCg==",
             "license": "MIT"
         },
-        "node_modules/text-table": {
-            "version": "0.2.0",
-            "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
-            "integrity": "sha512-N+8UisAXDGk8PFXP4HAzVR9nbfmVJ3zYLAWiTIoqC5v5isinhr+r5uaO8+7r3BMfuNIufIsA7RdpVgacC2cSpw==",
-            "dev": true,
-            "license": "MIT"
-        },
         "node_modules/throttle-debounce": {
             "version": "3.0.1",
             "resolved": "https://registry.npmjs.org/throttle-debounce/-/throttle-debounce-3.0.1.tgz",
@@ -7557,13 +7461,6 @@
                 "node": ">=0.10.0"
             }
         },
-        "node_modules/wrappy": {
-            "version": "1.0.2",
-            "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-            "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
-            "dev": true,
-            "license": "ISC"
-        },
         "node_modules/yallist": {
             "version": "3.1.1",
             "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
diff --git a/frontend/package.json b/frontend/package.json
index af8d76d..c309de9 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -7,8 +7,8 @@
         "dev": "next dev",
         "build": "next build",
         "start": "next start",
-        "lint": "eslint . --ext .ts,.tsx",
-        "lint:fix": "eslint . --ext .ts,.tsx --fix",
+        "lint": "eslint .",
+        "lint:fix": "eslint . --fix",
         "type-check": "tsc --noEmit",
         "validate": "npm run type-check && npm run lint",
         "api": " cd ../backend && npm run dev"
@@ -39,7 +39,7 @@
         "@types/qs": "^6.9.15",
         "@types/react": "^19.2.0",
         "@types/react-dom": "^19.2.0",
-        "eslint": "^8.57.1",
+        "eslint": "^9.39.2",
         "eslint-config-next": "^16.1.1",
         "postcss": "^8.4.33",
         "postcss-preset-mantine": "^1.13.0",

From 9e20650dfed64c0e4017d4b62dc4ddec78d3e824 Mon Sep 17 00:00:00 2001
From: Roman Timashev <roman@tmshv.ru>
Date: Sat, 7 Feb 2026 21:26:24 +0700
Subject: [PATCH 07/11] fix part of lint errors

---
 frontend/src/components/AddButton/index.tsx               | 6 +++---
 frontend/src/components/EmailForm/index.tsx               | 7 +++----
 frontend/src/components/Gallery/index.tsx                 | 4 ++--
 frontend/src/components/Map/index.tsx                     | 8 +++-----
 frontend/src/components/SubmissionFeed/index.tsx          | 6 +++---
 frontend/src/components/SurveyModal/CheckboxList.tsx      | 1 -
 frontend/src/components/SurveyModal/CheckboxWithOther.tsx | 2 +-
 frontend/src/components/SurveyModal/index.tsx             | 6 +++---
 frontend/src/contexts/clientId.tsx                        | 4 ++--
 frontend/src/pages/_app.tsx                               | 5 ++---
 10 files changed, 22 insertions(+), 27 deletions(-)

diff --git a/frontend/src/components/AddButton/index.tsx b/frontend/src/components/AddButton/index.tsx
index 35422e3..1fb35c8 100644
--- a/frontend/src/components/AddButton/index.tsx
+++ b/frontend/src/components/AddButton/index.tsx
@@ -1,7 +1,7 @@
 import { FormContext } from '@/contexts/form';
 import { Popover, Button, Center, Box } from '@mantine/core';
 import { useModals } from '@mantine/modals';
-import { useCallback, useContext } from 'react';
+import { useContext } from 'react';
 import { FormData } from '@/types';
 
 export type AddButtonProps = {
@@ -18,7 +18,7 @@ export function AddButton({ style = {
     const modals = useModals()
     const { data, setData } = useContext(FormContext)
     const { addMode, setAddMode } = useContext(FormContext)
-    const onClick = useCallback((data: FormData) => {
+    const onClick = (data: FormData) => {
         if (Object.keys(data).length == 0) {
             setData({})
         }
@@ -35,7 +35,7 @@ export function AddButton({ style = {
                 },
             }
         )
-    }, [])
+    }
 
     return (
         <div style={style}>
diff --git a/frontend/src/components/EmailForm/index.tsx b/frontend/src/components/EmailForm/index.tsx
index adf3587..fcb1059 100644
--- a/frontend/src/components/EmailForm/index.tsx
+++ b/frontend/src/components/EmailForm/index.tsx
@@ -1,6 +1,5 @@
 import { zodResolver } from '@hookform/resolvers/zod'
-import { Button, Center, Group, Image, Overlay, Stack, Text, TextInput, Textarea, Title } from '@mantine/core'
-import Link from 'next/link'
+import { Button, Center, Group, Overlay, Stack, Text, TextInput, Textarea, Title } from '@mantine/core'
 import { useState } from 'react'
 import { useForm } from 'react-hook-form'
 import { useMedia } from 'react-use'
@@ -21,7 +20,7 @@ const formSchema = z.object({
 
 export function EmailForm() {
     const isMobile = useMedia('(max-width: 1024px)', false)
-    const { handleSubmit, control, register, formState } = useForm<z.infer<typeof formSchema>>({
+    const { handleSubmit, register, formState } = useForm<z.infer<typeof formSchema>>({
         mode: 'onChange',
         resolver: zodResolver(formSchema),
         defaultValues: {
@@ -35,7 +34,7 @@ export function EmailForm() {
     const onSubmit = async (data: z.infer<typeof formSchema>) => {
         setText(states.fetch)
 
-        let dataFormatted = JSON.stringify(data)
+        const dataFormatted = JSON.stringify(data)
 
         await fetch(
             `/api/indexFeedback`,
diff --git a/frontend/src/components/Gallery/index.tsx b/frontend/src/components/Gallery/index.tsx
index 5417623..6220f53 100644
--- a/frontend/src/components/Gallery/index.tsx
+++ b/frontend/src/components/Gallery/index.tsx
@@ -44,12 +44,12 @@ export function Gallery({ galleryImages }: GalleryProps) {
                 slidesOffsetBefore={isMobile ? 10 : 68 / 2}
                 className={s.swiper}
                 centeredSlides={isMobile}
-                onClick={(swiper, e) => {
+                onClick={(swiper) => {
                     setImage((swiper.clickedIndex) % galleryImages.length)
                     open()
                 }}
             >
-                {galleryImages.map((x, i) => (
+                {galleryImages.map((x) => (
                     <SwiperSlide
                         key={x.src}
                     >
diff --git a/frontend/src/components/Map/index.tsx b/frontend/src/components/Map/index.tsx
index bc57622..4835437 100644
--- a/frontend/src/components/Map/index.tsx
+++ b/frontend/src/components/Map/index.tsx
@@ -1,4 +1,4 @@
-import React, { useCallback, useContext } from 'react'
+import React, { useContext } from 'react'
 import { GeolocateControl, Layer, Marker, NavigationControl, Source } from 'react-map-gl/mapbox'
 import { useModals } from '@mantine/modals'
 import { useRouter } from 'next/router'
@@ -34,7 +34,7 @@ export function Map({ initialCoords }: MapProps) {
     const modals = useModals()
     const { data: formData, setData, addMode, setAddMode } = useContext(FormContext)
 
-    const onClick = useCallback((event: MapClickEvent) => {
+    const onClick = (event: MapClickEvent) => {
         if (!addMode) return
 
         const { lngLat } = event
@@ -59,9 +59,7 @@ export function Map({ initialCoords }: MapProps) {
             }
         )
         setAddMode(false)
-    },
-        [addMode]
-    )
+    }
 
     const isMobile = useMediaQuery('(max-width: 768px)', true, { getInitialValueInEffect: false })
     const router = useRouter()
diff --git a/frontend/src/components/SubmissionFeed/index.tsx b/frontend/src/components/SubmissionFeed/index.tsx
index 52cddf2..dd58680 100644
--- a/frontend/src/components/SubmissionFeed/index.tsx
+++ b/frontend/src/components/SubmissionFeed/index.tsx
@@ -1,4 +1,4 @@
-import { Stack, ScrollArea, Skeleton, Box, Button, ActionIcon, Group, Text, Alert, Title } from '@mantine/core'
+import { Stack, ScrollArea, Skeleton, Box, Button, ActionIcon, Group, Text, Alert } from '@mantine/core'
 import { useHasMounted } from '@/contexts/hasMounted'
 import { Item } from './Item'
 import useSWRInfinite from 'swr/infinite'
@@ -17,7 +17,7 @@ export function SubmissionFeed() {
     const router = useRouter()
     const hasMounted = useHasMounted()
     const isMobile = useMediaQuery('(max-width: 768px)', true)
-    const { data, error, isLoading, mutate, size, setSize } = useSWRInfinite(
+    const { data, error, isLoading, size, setSize } = useSWRInfinite(
         (pageIndex, previousPageData) => {
             if (previousPageData && !previousPageData.hasNextPage) return null
             return `/api/collections/features/records?page=${pageIndex + 1}` // swr starts at 0, pb at 1
@@ -131,7 +131,7 @@ export function SubmissionFeed() {
                     pb={12}
                     className={s.scrollAreaStack}
                 >
-                    {dataFlat.map((x, i) => (
+                    {dataFlat.map((x) => (
                         <Item
                             key={x.id}
                             data={x}
diff --git a/frontend/src/components/SurveyModal/CheckboxList.tsx b/frontend/src/components/SurveyModal/CheckboxList.tsx
index 303f9ee..cde6d34 100644
--- a/frontend/src/components/SurveyModal/CheckboxList.tsx
+++ b/frontend/src/components/SurveyModal/CheckboxList.tsx
@@ -1,5 +1,4 @@
 import { Fieldset, CheckboxGroup, Stack, Checkbox, Text } from '@mantine/core'
-import { FC } from 'react'
 import { FieldValues, UseFormWatch } from 'react-hook-form'
 
 export type CheckboxListProps = {
diff --git a/frontend/src/components/SurveyModal/CheckboxWithOther.tsx b/frontend/src/components/SurveyModal/CheckboxWithOther.tsx
index 1d817e5..720da1b 100644
--- a/frontend/src/components/SurveyModal/CheckboxWithOther.tsx
+++ b/frontend/src/components/SurveyModal/CheckboxWithOther.tsx
@@ -1,5 +1,5 @@
 import { Fieldset, CheckboxGroup, Stack, Checkbox, TextInput, Text } from '@mantine/core'
-import { FC, useState, useEffect, useCallback } from 'react'
+import { useState, useCallback } from 'react'
 import { FieldValues, UseFormSetValue, UseFormWatch } from 'react-hook-form'
 
 export type CheckboxWithOtherProps = {
diff --git a/frontend/src/components/SurveyModal/index.tsx b/frontend/src/components/SurveyModal/index.tsx
index 38b4e47..60d39db 100644
--- a/frontend/src/components/SurveyModal/index.tsx
+++ b/frontend/src/components/SurveyModal/index.tsx
@@ -1,6 +1,6 @@
 import { Text, Select, Button, Textarea, Tabs, Group, Fieldset, Title, Stack, Center, Space, CloseButton, Slider, Box } from '@mantine/core'
-import { ContextModalProps, useModals } from '@mantine/modals'
-import { FC, useCallback, useRef, useState } from 'react'
+import { useModals } from '@mantine/modals'
+import { useCallback, useRef, useState } from 'react'
 import { Controller, useForm, useWatch, UseFormReturn } from 'react-hook-form'
 import { CheckboxWithOther } from './CheckboxWithOther'
 import { CheckboxList } from './CheckboxList'
@@ -659,7 +659,7 @@ function SchemaToComponents({ schema, formHook, renderFilter = {} }: SchemaToCom
     const { control, setValue, watch, register } = formHook // passed from parent cause it needed for filter
     return schema
         .filter((item) => renderFilter?.[item.id] ?? true)
-        .map((item, i) => {
+        .map((item) => {
             switch (item.type) {
                 case 'select': {
                     return (
diff --git a/frontend/src/contexts/clientId.tsx b/frontend/src/contexts/clientId.tsx
index e764bad..c93ad95 100644
--- a/frontend/src/contexts/clientId.tsx
+++ b/frontend/src/contexts/clientId.tsx
@@ -39,7 +39,7 @@ export const ClientIdProvider = ({ children }: { children: React.ReactNode }) =>
         if (cookie == 'null' || cookie == 'false') {
             updateCookie(clientId ?? '', { expires: new Date(new Date().getTime() + 1000 * 60 * 60 * 24 * 300) })
         }
-    }, [clientId, data, cookie])
+    }, [clientId, data, cookie, setClientId, updateCookie])
 
     const { data: isCookiesAllowed } = useSWR(
         `/api/check`,
@@ -55,7 +55,7 @@ export const ClientIdProvider = ({ children }: { children: React.ReactNode }) =>
         if (isCookiesAllowed === false) {
             updateCookie('')
         }
-    }, [isCookiesAllowed])
+    }, [isCookiesAllowed, updateCookie])
 
     return (
         <ClientIdContext.Provider
diff --git a/frontend/src/pages/_app.tsx b/frontend/src/pages/_app.tsx
index 1e53d67..07be1f2 100644
--- a/frontend/src/pages/_app.tsx
+++ b/frontend/src/pages/_app.tsx
@@ -1,5 +1,5 @@
 import type { AppProps } from 'next/app'
-import { AppShell, Box, Burger, Button, Center, createTheme, Drawer, Fieldset, Flex, Group, MantineColorsTuple, MantineProvider, Space, Stack, Text, Title } from '@mantine/core'
+import { AppShell, Box, Burger, Button, Center, createTheme, Drawer, Fieldset, Flex, Group, MantineProvider, Stack, Text, Title } from '@mantine/core'
 import Link from 'next/link'
 import { NextSeo } from 'next-seo'
 import { useDisclosure, useMediaQuery } from '@mantine/hooks'
@@ -12,7 +12,7 @@ import { SWRConfig } from 'swr'
 import { NavbarContext, NavbarContextProvider } from '@/contexts/navbar'
 import { useContext } from 'react'
 import { SubmissionFeed } from '@/components/SubmissionFeed'
-import { Golos_Text, Manrope } from 'next/font/google'
+import { Golos_Text } from 'next/font/google'
 const fontVar = Golos_Text({ weight: ['400', '700'], subsets: ['latin', 'cyrillic'] })
 import mobileMenu from '../styles/mobileMenu.module.css'
 import groupStyles from '../styles/group.module.css'
@@ -376,7 +376,6 @@ const PageLayout = ({ children }: { children: React.ReactNode }) => {
     const router = useRouter()
 
     const isMapPage = router.pathname == '/map'
-    const isIndexPage = router.pathname == '/'
 
     const isMobile = useMediaQuery('(max-width: 768px)')
     const modals = useModals()

From 59a455e3fa5609136d7cea5e9364cbd4b627b343 Mon Sep 17 00:00:00 2001
From: Roman Timashev <roman@tmshv.ru>
Date: Sat, 7 Feb 2026 21:39:54 +0700
Subject: [PATCH 08/11] no-unused-vars rule

---
 frontend/eslint.config.mjs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/frontend/eslint.config.mjs b/frontend/eslint.config.mjs
index b9c0e0c..703ff48 100644
--- a/frontend/eslint.config.mjs
+++ b/frontend/eslint.config.mjs
@@ -9,6 +9,16 @@ const eslintConfig = [
     {
         rules: {
             "@typescript-eslint/no-explicit-any": "error",
+            "no-unused-vars": "off",
+            "@typescript-eslint/no-unused-vars": [
+                "warn",
+                {
+                    argsIgnorePattern: "^_",
+                    varsIgnorePattern: "^_",
+                    caughtErrorsIgnorePattern: "^_",
+                    destructuredArrayIgnorePattern: "^_",
+                },
+            ],
         },
     },
     {

From fcc8f98d38a5136a29b4daf0ef1bb34a6e256f2f Mon Sep 17 00:00:00 2001
From: Roman Timashev <roman@tmshv.ru>
Date: Sat, 7 Feb 2026 21:40:47 +0700
Subject: [PATCH 09/11] fix more lint errors

---
 frontend/src/components/IndexBest/index.tsx   | 10 +++-------
 frontend/src/components/IndexPage/index.tsx   |  6 +++---
 frontend/src/components/Map/index.tsx         |  4 ++--
 frontend/src/components/SurveyModal/index.tsx |  2 +-
 4 files changed, 9 insertions(+), 13 deletions(-)

diff --git a/frontend/src/components/IndexBest/index.tsx b/frontend/src/components/IndexBest/index.tsx
index fa99955..a233c8f 100644
--- a/frontend/src/components/IndexBest/index.tsx
+++ b/frontend/src/components/IndexBest/index.tsx
@@ -1,16 +1,12 @@
-import { Alert, Badge, Box, Button, Card, Group, Space, Stack, Text, Title } from '@mantine/core'
+import { Badge, Box, Button, Card, Group, Space, Stack, Text, Title } from '@mantine/core'
 import useSWR from 'swr'
 import s from './index.module.css'
 import Link from 'next/link'
 import Masonry from 'react-masonry-css'
 import { BestSubmission } from '@/types'
 
-export type IndexBestProps = {
-    isMobile: boolean
-}
-
-export function IndexBest({ isMobile }: IndexBestProps) {
-    const { data, error, isLoading, mutate } = useSWR(
+export function IndexBest() {
+    const { data, error, isLoading } = useSWR(
         `/api/submissions/best`,
         (url) => fetch(
             url,
diff --git a/frontend/src/components/IndexPage/index.tsx b/frontend/src/components/IndexPage/index.tsx
index c8346aa..31f6554 100644
--- a/frontend/src/components/IndexPage/index.tsx
+++ b/frontend/src/components/IndexPage/index.tsx
@@ -1,6 +1,6 @@
-import { BackgroundImage, Box, Group, Space, Stack, Text, Title, Image, Button, Overlay } from '@mantine/core'
+import { BackgroundImage, Box, Group, Space, Stack, Text, Title, Image, Button } from '@mantine/core'
 import Link from 'next/link'
-import s from '../../styles/index.module.css'
+import _ from '../../styles/index.module.css'
 import { useMedia } from 'react-use'
 import { useModals } from '@mantine/modals'
 
@@ -479,4 +479,4 @@ export function IndexPage() {
             </Box>
         </>
     )
-}
\ No newline at end of file
+}
diff --git a/frontend/src/components/Map/index.tsx b/frontend/src/components/Map/index.tsx
index 4835437..7dd5370 100644
--- a/frontend/src/components/Map/index.tsx
+++ b/frontend/src/components/Map/index.tsx
@@ -1,5 +1,5 @@
-import React, { useContext } from 'react'
-import { GeolocateControl, Layer, Marker, NavigationControl, Source } from 'react-map-gl/mapbox'
+import { useContext } from 'react'
+import { Layer, Marker, Source } from 'react-map-gl/mapbox'
 import { useModals } from '@mantine/modals'
 import { useRouter } from 'next/router'
 import { FormContext } from '@/contexts/form'
diff --git a/frontend/src/components/SurveyModal/index.tsx b/frontend/src/components/SurveyModal/index.tsx
index 60d39db..038c615 100644
--- a/frontend/src/components/SurveyModal/index.tsx
+++ b/frontend/src/components/SurveyModal/index.tsx
@@ -1147,7 +1147,7 @@ export function SurveyModal() {
     const onSubmitData = async (data: SurveyFormData) => {
         const body = JSON.stringify({
             data: Object.entries(data)
-                .filter(([key, value]) => !!value)
+                .filter(([_, value]) => !!value)
                 .map(([key, value]) => ({
                     id: key,
                     text: schema.find(x => x.id == key)?.text ?? getSelectListText(key),

From d131c0b5bb05573ebccccb70efeb3f5bc990abfe Mon Sep 17 00:00:00 2001
From: Roman Timashev <roman@tmshv.ru>
Date: Sat, 7 Feb 2026 21:42:21 +0700
Subject: [PATCH 10/11] fix lint errors

---
 frontend/src/components/IdeaModal/index.tsx   | 26 ++++++++-----------
 .../src/components/SubmissionFeed/Item.tsx    |  2 +-
 frontend/src/contexts/hasMounted.ts           | 16 +++++++-----
 frontend/src/pages/_app.tsx                   |  3 +--
 frontend/src/pages/debug.tsx                  |  2 --
 frontend/src/pages/map.tsx                    |  8 +++---
 6 files changed, 26 insertions(+), 31 deletions(-)

diff --git a/frontend/src/components/IdeaModal/index.tsx b/frontend/src/components/IdeaModal/index.tsx
index 58f323f..14b2ec2 100644
--- a/frontend/src/components/IdeaModal/index.tsx
+++ b/frontend/src/components/IdeaModal/index.tsx
@@ -2,7 +2,7 @@ import { FormContext } from '@/contexts/form'
 import { Text, Stack, Button, Title, Center, Textarea, Tooltip } from '@mantine/core'
 import { ContextModalProps, useModals } from '@mantine/modals'
 import { useRouter } from 'next/router'
-import { useCallback, useContext, useEffect, useState } from 'react'
+import { useContext, useEffect, useState } from 'react'
 import { useForm, Controller } from 'react-hook-form'
 import { z } from 'zod'
 import { zodResolver } from "@hookform/resolvers/zod"
@@ -29,7 +29,7 @@ const formSchema = z.object({
     }, { message: 'Добавьте точку' }),
 })
 
-export function IdeaModal({ context, id: modalId, innerProps }: ContextModalProps<IdeaModalProps>) {
+export function IdeaModal({ id: modalId, innerProps }: ContextModalProps<IdeaModalProps>) {
     const { mutate } = useSWRConfig()
     const modals = useModals()
     const formContext = useContext(FormContext)
@@ -43,7 +43,6 @@ export function IdeaModal({ context, id: modalId, innerProps }: ContextModalProp
         }
     })
     const [text, setText] = useState(states.start)
-    const [coordReq, setCoordReq] = useState(false)
 
     const onSubmit = async (data: z.infer<typeof formSchema>) => {
         const { coords } = formContext.data
@@ -120,17 +119,14 @@ export function IdeaModal({ context, id: modalId, innerProps }: ContextModalProp
             })
     }
 
-    const onClickCoords = useCallback(
-        () => {
-            formContext.setData({
-                ...formContext.data,
-                ...getValues(),
-            })
-            modals.closeModal(modalId)
-            formContext.setAddMode(true)
-        },
-        [formContext.data]
-    )
+    const onClickCoords = () => {
+        formContext.setData({
+            ...formContext.data,
+            ...getValues(),
+        })
+        modals.closeModal(modalId)
+        formContext.setAddMode(true)
+    }
 
     // close modal on route
     const router = useRouter()
@@ -138,7 +134,7 @@ export function IdeaModal({ context, id: modalId, innerProps }: ContextModalProp
         if (router.pathname == '/') {
             modals.closeAll()
         }
-    }, [router.pathname])
+    }, [router.pathname, modals])
 
     return (
         <form
diff --git a/frontend/src/components/SubmissionFeed/Item.tsx b/frontend/src/components/SubmissionFeed/Item.tsx
index 73c591f..71e1511 100644
--- a/frontend/src/components/SubmissionFeed/Item.tsx
+++ b/frontend/src/components/SubmissionFeed/Item.tsx
@@ -13,7 +13,7 @@ type ItemProps = {
 
 export function Item({ data }: ItemProps) {
     const router = useRouter()
-    const [opened, { toggle }] = useDisclosure(false)
+    const [, { toggle }] = useDisclosure(false)
     const { setDrawer } = useContext(NavbarContext)
     const { default: map } = useMap()
 
diff --git a/frontend/src/contexts/hasMounted.ts b/frontend/src/contexts/hasMounted.ts
index 0c524c7..f8714a1 100644
--- a/frontend/src/contexts/hasMounted.ts
+++ b/frontend/src/contexts/hasMounted.ts
@@ -1,9 +1,11 @@
-import { useEffect, useState } from 'react';
+import { useSyncExternalStore } from 'react';
+
+const emptySubscribe = () => () => {};
 
 export function useHasMounted() {
-    const [hasMounted, setHasMounted] = useState(false);
-    useEffect(() => {
-        setHasMounted(true);
-    }, []);
-    return hasMounted;
-}
\ No newline at end of file
+    return useSyncExternalStore(
+        emptySubscribe,
+        () => true,
+        () => false,
+    );
+}
diff --git a/frontend/src/pages/_app.tsx b/frontend/src/pages/_app.tsx
index 07be1f2..b6fde41 100644
--- a/frontend/src/pages/_app.tsx
+++ b/frontend/src/pages/_app.tsx
@@ -144,8 +144,7 @@ const navButtons: NavButton[] = [
 ]
 
 const MapPageLayout = ({ children }: { children: React.ReactNode }) => {
-    const [opened, { toggle }] = useDisclosure()
-    const { selected, drawer, setDrawer } = useContext(NavbarContext)
+    const { drawer, setDrawer } = useContext(NavbarContext)
     const isMobile = useMediaQuery('(max-width: 768px)', true)
     const isTablet = useMediaQuery('(max-width: 1024px)', true)
     const [mobileOpened, { toggle: toggleMobile }] = useDisclosure()
diff --git a/frontend/src/pages/debug.tsx b/frontend/src/pages/debug.tsx
index d5547a6..ff6c49a 100644
--- a/frontend/src/pages/debug.tsx
+++ b/frontend/src/pages/debug.tsx
@@ -1,5 +1,3 @@
-import { useEffect } from 'react'
-
 function useDebug() {
     const log = [
         `NEXT_PUBLIC_MAPLIBRE_STYLE=${process.env.NEXT_PUBLIC_MAPLIBRE_STYLE}`
diff --git a/frontend/src/pages/map.tsx b/frontend/src/pages/map.tsx
index 0423089..7fd215a 100644
--- a/frontend/src/pages/map.tsx
+++ b/frontend/src/pages/map.tsx
@@ -15,7 +15,7 @@ const PageComponent: React.FC = () => {
     const previewFeature = Boolean(router.query?.preview) == true
     const coords = (router.query?.preview as string | undefined)?.split(',')
 
-    const [initalCoords, setInitalCoords] = useState(previewFeature && coords
+    const [initalCoords] = useState(previewFeature && coords
         ? {
             longitude: Number(coords[0]),
             latitude: Number(coords[1]),
@@ -43,13 +43,13 @@ const PageComponent: React.FC = () => {
                 }
             )
         }
-    }, [autoOpenModal])
+    }, [autoOpenModal, modals])
 
     useEffect(() => {
         if (router.pathname == '/map') {
             setDrawer(false)
         }
-    }, [router.pathname])
+    }, [router.pathname, setDrawer])
 
     return (
         <>
@@ -82,7 +82,7 @@ const MapPage: NextPage<MapPageProps> = ({ fallback }) => {
     )
 }
 
-export const getServerSideProps = async (ctx: GetServerSidePropsContext) => {
+export const getServerSideProps = async (_ctx: GetServerSidePropsContext) => {
     return {
         props: {
             fallback: {

From c31fbe0dbf4a6ead2f8ad2b945a27ba893459ce7 Mon Sep 17 00:00:00 2001
From: Roman Timashev <roman@tmshv.ru>
Date: Sat, 7 Feb 2026 21:48:29 +0700
Subject: [PATCH 11/11] verbatim module syntax and related eslint rule

---
 CLAUDE.md                                     | 40 ++++++++++++++-----
 frontend/eslint.config.mjs                    |  7 ++++
 frontend/src/components/AddButton/index.tsx   |  2 +-
 frontend/src/components/Gallery/index.tsx     |  2 +-
 frontend/src/components/IdeaModal/index.tsx   |  5 ++-
 frontend/src/components/IndexBest/index.tsx   |  2 +-
 frontend/src/components/Map/index.tsx         |  4 +-
 frontend/src/components/NewsCard/index.tsx    |  2 +-
 frontend/src/components/NewsPage/index.tsx    |  2 +-
 .../components/SubmissionFeed/CommentForm.tsx |  4 +-
 .../src/components/SubmissionFeed/Item.tsx    |  2 +-
 .../components/SurveyModal/CheckboxList.tsx   |  2 +-
 .../SurveyModal/CheckboxWithOther.tsx         |  2 +-
 frontend/src/components/SurveyModal/index.tsx |  5 ++-
 frontend/src/contexts/clientId.tsx            |  3 +-
 frontend/src/contexts/form.tsx                |  5 ++-
 frontend/src/contexts/navbar.tsx              |  5 ++-
 frontend/src/pages/_app.tsx                   |  2 +-
 frontend/src/pages/map.tsx                    |  2 +-
 frontend/temp/news/[id].tsx                   |  2 +-
 frontend/tsconfig.json                        |  1 +
 21 files changed, 68 insertions(+), 33 deletions(-)

diff --git a/CLAUDE.md b/CLAUDE.md
index 5f23467..5c5a6b4 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -21,7 +21,7 @@ All frontend commands run from `frontend/`:
 cd frontend
 npm run dev      # Start Next.js dev server
 npm run build    # Production build
-npm run lint     # ESLint (next lint)
+npm run lint     # ESLint 9 (flat config)
 ```
 
 Docker-based dev environment (requires mise):
@@ -87,8 +87,9 @@ Frontend uses standalone Next.js output for Docker. Build args for map config ar
 
 **Context Typing**: All React contexts must be fully typed:
 ```typescript
-import { Context, createContext } from 'react'
-import { MyContextValue } from '@/types'
+import { createContext } from 'react'
+import type { Context } from 'react'
+import type { MyContextValue } from '@/types'
 
 export const MyContext: Context<MyContextValue> = createContext<MyContextValue>({
     // ... default values with proper types
@@ -110,7 +111,7 @@ export function MyComponent({ title, count, onSubmit }: MyComponentProps) {
 
 For shared component props, import from `@/types`:
 ```typescript
-import { MyComponentProps } from '@/types'
+import type { MyComponentProps } from '@/types'
 
 export function MyComponent({ prop1, prop2 }: MyComponentProps) {
     // ...
@@ -143,16 +144,37 @@ const handleChange = (event: React.ChangeEvent<HTMLInputElement>) => { ... }
 
 **Form Data**: Use `z.infer<typeof schema>` for React Hook Form + Zod type extraction
 
+**Type Imports**: Always use separate `import type` statements for type-only imports. This is enforced by both `verbatimModuleSyntax` in tsconfig and `@typescript-eslint/consistent-type-imports` ESLint rule:
+```typescript
+// Correct — separate import type statement
+import { useModals } from '@mantine/modals'
+import type { ContextModalProps } from '@mantine/modals'
+
+// Wrong — inline type keyword
+import { type ContextModalProps, useModals } from '@mantine/modals'
+
+// Wrong — type imported as value
+import { ContextModalProps, useModals } from '@mantine/modals'
+```
+
 **Explicit `any` is Forbidden**: Never use explicit `any` types in the codebase:
 - Use proper type definitions from `@/types` or create new ones
 - For complex types, use `unknown` and narrow with type guards, or define proper interfaces
 - For truly dynamic data, use `Record<string, unknown>` instead of `any`
 - Third-party library types should use their exported types or be properly typed
-- Note: TypeScript's strict mode catches implicit `any`, but explicit `any` must be avoided manually
-- To enforce with tooling: Consider ESLint with `@typescript-eslint/no-explicit-any` rule
+- Enforced by ESLint `@typescript-eslint/no-explicit-any` rule
 
 **When Adding New Code**:
 1. Run `npx tsc --noEmit` to verify types before committing
-2. NEVER use explicit `any` - see "Explicit `any` is Forbidden" section above
-3. Import shared types from `@/types` rather than defining inline
-4. Add return types to exported functions and React components
+2. Run `npm run lint` to check ESLint rules
+3. NEVER use explicit `any` - see "Explicit `any` is Forbidden" section above
+4. Import shared types from `@/types` using `import type` syntax
+5. Add return types to exported functions and React components
+
+## Linting
+
+**ESLint 9** with flat config (`eslint.config.mjs`). Key rules:
+- `@typescript-eslint/no-explicit-any: error` — no `any` types
+- `@typescript-eslint/consistent-type-imports: error` — enforce `import type` on separate lines
+- `@typescript-eslint/no-unused-vars: warn` — unused variables (prefix with `_` to ignore)
+- `react-hooks/exhaustive-deps` — complete dependency arrays in hooks
diff --git a/frontend/eslint.config.mjs b/frontend/eslint.config.mjs
index 703ff48..022f6dc 100644
--- a/frontend/eslint.config.mjs
+++ b/frontend/eslint.config.mjs
@@ -9,6 +9,13 @@ const eslintConfig = [
     {
         rules: {
             "@typescript-eslint/no-explicit-any": "error",
+            "@typescript-eslint/consistent-type-imports": [
+                "error",
+                {
+                    prefer: "type-imports",
+                    fixStyle: "separate-type-imports",
+                },
+            ],
             "no-unused-vars": "off",
             "@typescript-eslint/no-unused-vars": [
                 "warn",
diff --git a/frontend/src/components/AddButton/index.tsx b/frontend/src/components/AddButton/index.tsx
index 1fb35c8..1aa3874 100644
--- a/frontend/src/components/AddButton/index.tsx
+++ b/frontend/src/components/AddButton/index.tsx
@@ -2,7 +2,7 @@ import { FormContext } from '@/contexts/form';
 import { Popover, Button, Center, Box } from '@mantine/core';
 import { useModals } from '@mantine/modals';
 import { useContext } from 'react';
-import { FormData } from '@/types';
+import type { FormData } from '@/types';
 
 export type AddButtonProps = {
     style?: React.CSSProperties
diff --git a/frontend/src/components/Gallery/index.tsx b/frontend/src/components/Gallery/index.tsx
index 6220f53..4de239b 100644
--- a/frontend/src/components/Gallery/index.tsx
+++ b/frontend/src/components/Gallery/index.tsx
@@ -5,7 +5,7 @@ import { useDisclosure } from '@mantine/hooks'
 import { useState } from 'react'
 import NextImage from 'next/image'
 import { useMedia } from 'react-use'
-import { GalleryImage } from '@/types'
+import type { GalleryImage } from '@/types'
 
 function PrevButton() {
     const swiper = useSwiper()
diff --git a/frontend/src/components/IdeaModal/index.tsx b/frontend/src/components/IdeaModal/index.tsx
index 14b2ec2..7beb6b1 100644
--- a/frontend/src/components/IdeaModal/index.tsx
+++ b/frontend/src/components/IdeaModal/index.tsx
@@ -1,6 +1,7 @@
 import { FormContext } from '@/contexts/form'
 import { Text, Stack, Button, Title, Center, Textarea, Tooltip } from '@mantine/core'
-import { ContextModalProps, useModals } from '@mantine/modals'
+import { useModals } from '@mantine/modals'
+import type { ContextModalProps } from '@mantine/modals'
 import { useRouter } from 'next/router'
 import { useContext, useEffect, useState } from 'react'
 import { useForm, Controller } from 'react-hook-form'
@@ -8,7 +9,7 @@ import { z } from 'zod'
 import { zodResolver } from "@hookform/resolvers/zod"
 import { useSWRConfig } from 'swr'
 import buttonStyles from '@/styles/button.module.css'
-import { IdeaModalDefaultValues } from '@/types'
+import type { IdeaModalDefaultValues } from '@/types'
 
 export type IdeaModalProps = {
     defaultValues?: IdeaModalDefaultValues
diff --git a/frontend/src/components/IndexBest/index.tsx b/frontend/src/components/IndexBest/index.tsx
index a233c8f..972c781 100644
--- a/frontend/src/components/IndexBest/index.tsx
+++ b/frontend/src/components/IndexBest/index.tsx
@@ -3,7 +3,7 @@ import useSWR from 'swr'
 import s from './index.module.css'
 import Link from 'next/link'
 import Masonry from 'react-masonry-css'
-import { BestSubmission } from '@/types'
+import type { BestSubmission } from '@/types'
 
 export function IndexBest() {
     const { data, error, isLoading } = useSWR(
diff --git a/frontend/src/components/Map/index.tsx b/frontend/src/components/Map/index.tsx
index 7dd5370..605c3e8 100644
--- a/frontend/src/components/Map/index.tsx
+++ b/frontend/src/components/Map/index.tsx
@@ -6,8 +6,8 @@ import { FormContext } from '@/contexts/form'
 import useSWR from 'swr'
 import { Popover, ScrollArea, Text } from '@mantine/core'
 import { useMediaQuery } from '@mantine/hooks'
-import { MapClickEvent } from '@/types'
-import { Submission } from '@/types/submission'
+import type { MapClickEvent } from '@/types'
+import type { Submission } from '@/types/submission'
 
 import 'mapbox-gl/dist/mapbox-gl.css'
 
diff --git a/frontend/src/components/NewsCard/index.tsx b/frontend/src/components/NewsCard/index.tsx
index b31951b..80b3ae8 100644
--- a/frontend/src/components/NewsCard/index.tsx
+++ b/frontend/src/components/NewsCard/index.tsx
@@ -1,6 +1,6 @@
 import { Card, Text, Image } from '@mantine/core'
 import Link from 'next/link'
-import { NewsData } from '@/types'
+import type { NewsData } from '@/types'
 
 export type NewsCardProps = {
     x: NewsData
diff --git a/frontend/src/components/NewsPage/index.tsx b/frontend/src/components/NewsPage/index.tsx
index e90c674..27c7136 100644
--- a/frontend/src/components/NewsPage/index.tsx
+++ b/frontend/src/components/NewsPage/index.tsx
@@ -1,6 +1,6 @@
 import { Stack, Title, Image, Box } from '@mantine/core'
 import s from './index.module.css'
-import { NewsData } from '@/types'
+import type { NewsData } from '@/types'
 
 export type NewsPageProps = {
     data: NewsData
diff --git a/frontend/src/components/SubmissionFeed/CommentForm.tsx b/frontend/src/components/SubmissionFeed/CommentForm.tsx
index f4bfeb7..91ed233 100644
--- a/frontend/src/components/SubmissionFeed/CommentForm.tsx
+++ b/frontend/src/components/SubmissionFeed/CommentForm.tsx
@@ -2,10 +2,10 @@ import { zodResolver } from '@hookform/resolvers/zod'
 import { Stack, Button, Textarea } from '@mantine/core'
 import { useState } from 'react'
 import { Controller, useForm } from 'react-hook-form'
-import { KeyedMutator } from 'swr'
+import type { KeyedMutator } from 'swr'
 import { z } from 'zod'
 import s from './index.module.css'
-import { Submission } from '@/types/submission'
+import type { Submission } from '@/types/submission'
 
 type CommentFormProps = {
     id: string
diff --git a/frontend/src/components/SubmissionFeed/Item.tsx b/frontend/src/components/SubmissionFeed/Item.tsx
index 71e1511..c5f7269 100644
--- a/frontend/src/components/SubmissionFeed/Item.tsx
+++ b/frontend/src/components/SubmissionFeed/Item.tsx
@@ -1,6 +1,6 @@
 import { Card, Stack, Text, Group, ScrollArea, ActionIcon } from '@mantine/core'
 import { useDisclosure } from '@mantine/hooks'
-import { Submission } from '.'
+import type { Submission } from '.'
 import { useMap } from 'react-map-gl/maplibre'
 import { NavbarContext } from '@/contexts/navbar'
 import { useContext } from 'react'
diff --git a/frontend/src/components/SurveyModal/CheckboxList.tsx b/frontend/src/components/SurveyModal/CheckboxList.tsx
index cde6d34..efdc36e 100644
--- a/frontend/src/components/SurveyModal/CheckboxList.tsx
+++ b/frontend/src/components/SurveyModal/CheckboxList.tsx
@@ -1,5 +1,5 @@
 import { Fieldset, CheckboxGroup, Stack, Checkbox, Text } from '@mantine/core'
-import { FieldValues, UseFormWatch } from 'react-hook-form'
+import type { FieldValues, UseFormWatch } from 'react-hook-form'
 
 export type CheckboxListProps = {
     field: FieldValues
diff --git a/frontend/src/components/SurveyModal/CheckboxWithOther.tsx b/frontend/src/components/SurveyModal/CheckboxWithOther.tsx
index 720da1b..5bb958f 100644
--- a/frontend/src/components/SurveyModal/CheckboxWithOther.tsx
+++ b/frontend/src/components/SurveyModal/CheckboxWithOther.tsx
@@ -1,6 +1,6 @@
 import { Fieldset, CheckboxGroup, Stack, Checkbox, TextInput, Text } from '@mantine/core'
 import { useState, useCallback } from 'react'
-import { FieldValues, UseFormSetValue, UseFormWatch } from 'react-hook-form'
+import type { FieldValues, UseFormSetValue, UseFormWatch } from 'react-hook-form'
 
 export type CheckboxWithOtherProps = {
     field: FieldValues
diff --git a/frontend/src/components/SurveyModal/index.tsx b/frontend/src/components/SurveyModal/index.tsx
index 038c615..6f6d57e 100644
--- a/frontend/src/components/SurveyModal/index.tsx
+++ b/frontend/src/components/SurveyModal/index.tsx
@@ -1,11 +1,12 @@
 import { Text, Select, Button, Textarea, Tabs, Group, Fieldset, Title, Stack, Center, Space, CloseButton, Slider, Box } from '@mantine/core'
 import { useModals } from '@mantine/modals'
 import { useCallback, useRef, useState } from 'react'
-import { Controller, useForm, useWatch, UseFormReturn } from 'react-hook-form'
+import { Controller, useForm, useWatch } from 'react-hook-form'
+import type { UseFormReturn } from 'react-hook-form'
 import { CheckboxWithOther } from './CheckboxWithOther'
 import { CheckboxList } from './CheckboxList'
 import Image from 'next/image'
-import { TabProps, SurveyFormData, SurveySchemaItem } from '@/types'
+import type { TabProps, SurveyFormData, SurveySchemaItem } from '@/types'
 
 const states = {
     start: 'Отправить ответ',
diff --git a/frontend/src/contexts/clientId.tsx b/frontend/src/contexts/clientId.tsx
index c93ad95..04da7d5 100644
--- a/frontend/src/contexts/clientId.tsx
+++ b/frontend/src/contexts/clientId.tsx
@@ -1,4 +1,5 @@
-import { Context, createContext, useContext, useEffect } from 'react'
+import { createContext, useContext, useEffect } from 'react'
+import type { Context } from 'react'
 import { useCookie, useLocalStorage } from 'react-use'
 import useSWR from 'swr'
 
diff --git a/frontend/src/contexts/form.tsx b/frontend/src/contexts/form.tsx
index 18bb1b0..c8e6bdf 100644
--- a/frontend/src/contexts/form.tsx
+++ b/frontend/src/contexts/form.tsx
@@ -1,5 +1,6 @@
-import { Context, createContext, useState } from 'react'
-import { FormContextValue, FormData } from '@/types'
+import { createContext, useState } from 'react'
+import type { Context } from 'react'
+import type { FormContextValue, FormData } from '@/types'
 
 export const FormContext: Context<FormContextValue> = createContext<FormContextValue>({
     data: {},
diff --git a/frontend/src/contexts/navbar.tsx b/frontend/src/contexts/navbar.tsx
index ddaa0b1..a900c16 100644
--- a/frontend/src/contexts/navbar.tsx
+++ b/frontend/src/contexts/navbar.tsx
@@ -1,5 +1,6 @@
-import { Context, createContext, useState } from 'react'
-import { NavbarContextValue } from '@/types'
+import { createContext, useState } from 'react'
+import type { Context } from 'react'
+import type { NavbarContextValue } from '@/types'
 
 export const NavbarContext: Context<NavbarContextValue> = createContext<NavbarContextValue>({
     selected: false,
diff --git a/frontend/src/pages/_app.tsx b/frontend/src/pages/_app.tsx
index b6fde41..ac6742a 100644
--- a/frontend/src/pages/_app.tsx
+++ b/frontend/src/pages/_app.tsx
@@ -23,7 +23,7 @@ import appShellStyles from '../styles/appShell.module.css'
 
 import '@mantine/core/styles.css'
 import { FormContextProvider } from '@/contexts/form'
-import { MantineColorArray } from '@/types'
+import type { MantineColorArray } from '@/types'
 
 const createColorTuple = (color: string): MantineColorArray =>
     [color, color, color, color, color, color, color, color, color, color]
diff --git a/frontend/src/pages/map.tsx b/frontend/src/pages/map.tsx
index 7fd215a..a1b06e1 100644
--- a/frontend/src/pages/map.tsx
+++ b/frontend/src/pages/map.tsx
@@ -2,7 +2,7 @@ import React, { useContext, useEffect, useState } from 'react'
 import { useModals } from '@mantine/modals'
 import { useRouter } from 'next/router'
 import { SWRConfig } from 'swr'
-import { NextPage, GetServerSidePropsContext } from 'next/types'
+import type { NextPage, GetServerSidePropsContext } from 'next/types'
 import { Map } from '@/components/Map'
 import { AddButton } from '@/components/AddButton'
 import { NavbarContext } from '@/contexts/navbar'
diff --git a/frontend/temp/news/[id].tsx b/frontend/temp/news/[id].tsx
index a15053e..cb75072 100644
--- a/frontend/temp/news/[id].tsx
+++ b/frontend/temp/news/[id].tsx
@@ -1,5 +1,5 @@
 import { NewsPage } from '@/components/NewsPage'
-import { GetStaticPaths, GetStaticProps } from 'next'
+import type { GetStaticPaths, GetStaticProps } from 'next'
 
 export default function Page({ data }: { data: any }) {
 
diff --git a/frontend/tsconfig.json b/frontend/tsconfig.json
index 8295cec..c2a51c8 100644
--- a/frontend/tsconfig.json
+++ b/frontend/tsconfig.json
@@ -14,6 +14,7 @@
     "moduleResolution": "bundler",
     "resolveJsonModule": true,
     "isolatedModules": true,
+    "verbatimModuleSyntax": true,
     "jsx": "react-jsx",
     "incremental": true,
     "paths": {