diff --git a/frontend/configs/jest/setupTests.ts b/frontend/configs/jest/setupTests.ts
index 3b1f956..9f6cbb6 100644
--- a/frontend/configs/jest/setupTests.ts
+++ b/frontend/configs/jest/setupTests.ts
@@ -1,6 +1,12 @@
 import '@testing-library/jest-dom';
 import { server } from '@mocks/jest/server';
 
-beforeAll(() => server.listen());
-afterEach(() => server.resetHandlers());
-afterAll(() => server.close());
+beforeAll(() => {
+  server.listen();
+});
+afterEach(() => {
+  server.resetHandlers();
+});
+afterAll(() => {
+  server.close();
+});
diff --git a/frontend/eslint.config.ts b/frontend/eslint.config.ts
index 754c8ba..4da3d8a 100644
--- a/frontend/eslint.config.ts
+++ b/frontend/eslint.config.ts
@@ -2,6 +2,7 @@ import pluginQuery from '@tanstack/eslint-plugin-query';
 // @ts-expect-error fix package
 import config from 'eslint-config-ksv741';
 
+// eslint-disable-next-line import/no-anonymous-default-export
 export default [
   ...pluginQuery.configs['flat/recommended'],
   // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
@@ -9,14 +10,24 @@ export default [
   {
     rules: {
       'import/no-extraneous-dependencies': ['error', {
-        devDependencies: ['eslint.config.ts', 'rsbuild.config.ts', 'configs/**/*'],
+        devDependencies: [
+          'eslint.config.ts',
+          'rsbuild.config.ts',
+          'configs/**/*',
+          '**/*.test.js',
+          '**/*.test.jsx',
+          '**/*.test.ts',
+          '**/*.test.tsx',
+          '**/__tests__/**',
+          '**/tests/**',
+          '__mocks__/**',
+        ],
       }],
-      'import/no-anonymous-default-export': 'off',
       'import/order': [
         'error', {
           pathGroups: [
             {
-              pattern: '__spec__/**',
+              pattern: '__mocks__/**',
               group: 'builtin',
               position: 'before',
             },
@@ -71,13 +82,7 @@ export default [
       ],
       '@typescript-eslint/strict-boolean-expressions': 'off',
       '@typescript-eslint/no-floating-promises': 'off',
-      '@typescript-eslint/consistent-return': 'off',
       'func-style': 'off',
-      '@typescript-eslint/no-confusing-void-expression': 'off',
-      '@typescript-eslint/await-thenable': 'off',
-      '@typescript-eslint/no-misused-promises': 'off',
-      '@typescript-eslint/prefer-nullish-coalescing': 'off',
-      '@typescript-eslint/no-unnecessary-condition': 'off',
       'jsx-a11y/click-events-have-key-events': 'off',
       'jsx-a11y/no-static-element-interactions': 'off',
       'jsx-a11y/no-noninteractive-element-interactions': 'off',
@@ -86,23 +91,4 @@ export default [
   {
     ignores: ['./src/shared/api/schema.ts'],
   },
-  {
-    files: [
-      '**/*.test.js',
-      '**/*.test.jsx',
-      '**/*.test.ts',
-      '**/*.test.tsx',
-      '**/__tests__/**',
-      '**/tests/**',
-      '__mocks__/**',
-    ],
-    rules: {
-      'import/no-extraneous-dependencies': [
-        'error',
-        { devDependencies: true }, // в тестах можно
-      ],
-      '@typescript-eslint/no-unsafe-call': 'off',
-      '@typescript-eslint/no-unsafe-member-access': 'off',
-    },
-  },
 ];
diff --git a/frontend/src/entity/expenses/item/ui/AddExpenseItemForm/AddExpenseItemForm.test.tsx b/frontend/src/entity/expenses/item/ui/AddExpenseItemForm/AddExpenseItemForm.test.tsx
index f984945..2d124ad 100644
--- a/frontend/src/entity/expenses/item/ui/AddExpenseItemForm/AddExpenseItemForm.test.tsx
+++ b/frontend/src/entity/expenses/item/ui/AddExpenseItemForm/AddExpenseItemForm.test.tsx
@@ -37,8 +37,12 @@ describe('Test AddExpenseItemForm', () => {
   });
 
   test.each([
-    ['enabled', {}, (el: HTMLElement) => expect(el).toBeEnabled()],
-    ['disabled', { disabled: true }, (el: HTMLElement) => expect(el).toBeDisabled()],
+    ['enabled', {}, (el: HTMLElement) => {
+      expect(el).toBeEnabled();
+    }],
+    ['disabled', { disabled: true }, (el: HTMLElement) => {
+      expect(el).toBeDisabled();
+    }],
   ])('should render fields %s', (_state, options, assertion) => {
     const { onSubmit, ...formElems } = renderForm(options);
     Object.values(formElems).forEach(assertion);
diff --git a/frontend/src/entity/expenses/item/ui/EditExpenseItemForm/EditExpenseItemForm.test.tsx b/frontend/src/entity/expenses/item/ui/EditExpenseItemForm/EditExpenseItemForm.test.tsx
index 1f2a749..987bda5 100644
--- a/frontend/src/entity/expenses/item/ui/EditExpenseItemForm/EditExpenseItemForm.test.tsx
+++ b/frontend/src/entity/expenses/item/ui/EditExpenseItemForm/EditExpenseItemForm.test.tsx
@@ -72,8 +72,12 @@ describe('Test EditExpenseItemForm', () => {
   });
 
   test.each([
-    ['enabled', {}, (el: HTMLElement) => expect(el).toBeEnabled()],
-    ['disabled', { disabled: true }, (el: HTMLElement) => expect(el).toBeDisabled()],
+    ['enabled', {}, (el: HTMLElement) => {
+      expect(el).toBeEnabled();
+    }],
+    ['disabled', { disabled: true }, (el: HTMLElement) => {
+      expect(el).toBeDisabled();
+    }],
   ])('should render fields %s', (_state, options, assertion) => {
     const { onSubmit, ...formElems } = renderForm(options);
     Object.values(formElems).forEach(assertion);
diff --git a/frontend/src/entity/expenses/item/ui/EditExpenseItemForm/EditExpenseItemForm.ui.tsx b/frontend/src/entity/expenses/item/ui/EditExpenseItemForm/EditExpenseItemForm.ui.tsx
index e2d9d7a..7971404 100644
--- a/frontend/src/entity/expenses/item/ui/EditExpenseItemForm/EditExpenseItemForm.ui.tsx
+++ b/frontend/src/entity/expenses/item/ui/EditExpenseItemForm/EditExpenseItemForm.ui.tsx
@@ -36,6 +36,7 @@ const EditExpenseItemForm: FC<EditExpenseItemFormProps> = (props) => {
     ...formProps
   } = props;
 
+  // eslint-disable-next-line @typescript-eslint/no-misused-promises
   const onFormSubmitHandler: FormEventHandler<HTMLFormElement> = async (event) => {
     event.preventDefault();
 
diff --git a/frontend/src/entity/expenses/list/ui/AddExpensesListForm/ui/AddExpensesListForm.test.tsx b/frontend/src/entity/expenses/list/ui/AddExpensesListForm/ui/AddExpensesListForm.test.tsx
index d12400c..547969b 100644
--- a/frontend/src/entity/expenses/list/ui/AddExpensesListForm/ui/AddExpensesListForm.test.tsx
+++ b/frontend/src/entity/expenses/list/ui/AddExpensesListForm/ui/AddExpensesListForm.test.tsx
@@ -29,8 +29,12 @@ describe('Test AddExpensesListForm', () => {
   });
 
   test.each([
-    ['enabled', {}, (el: HTMLElement) => expect(el).toBeEnabled()],
-    ['disabled', { disabled: true }, (el: HTMLElement) => expect(el).toBeDisabled()],
+    ['enabled', {}, (el: HTMLElement) => {
+      expect(el).toBeEnabled();
+    }],
+    ['disabled', { disabled: true }, (el: HTMLElement) => {
+      expect(el).toBeDisabled();
+    }],
   ])('should render fields %s', (_state, options, assertion) => {
     const { onSubmit, ...formElems } = renderForm(options);
     Object.values(formElems).forEach(assertion);
diff --git a/frontend/src/entity/expenses/list/ui/AddExpensesListForm/ui/AddExpensesListForm.ui.tsx b/frontend/src/entity/expenses/list/ui/AddExpensesListForm/ui/AddExpensesListForm.ui.tsx
index c8098f1..6e105a3 100644
--- a/frontend/src/entity/expenses/list/ui/AddExpensesListForm/ui/AddExpensesListForm.ui.tsx
+++ b/frontend/src/entity/expenses/list/ui/AddExpensesListForm/ui/AddExpensesListForm.ui.tsx
@@ -37,7 +37,7 @@ const AddExpensesListForm: FC<AddExpenseListFormProps> = (props) => {
     const title = formData.get('title');
 
     if (typeof title === 'string') {
-      onSubmit?.({
+      onSubmit({
         title,
       });
     }
diff --git a/frontend/src/entity/expenses/list/ui/DeleteExpensesListForm/ui/DeleteExpensesListForm.ui.tsx b/frontend/src/entity/expenses/list/ui/DeleteExpensesListForm/ui/DeleteExpensesListForm.ui.tsx
index 51d1bf8..f47e98c 100644
--- a/frontend/src/entity/expenses/list/ui/DeleteExpensesListForm/ui/DeleteExpensesListForm.ui.tsx
+++ b/frontend/src/entity/expenses/list/ui/DeleteExpensesListForm/ui/DeleteExpensesListForm.ui.tsx
@@ -46,14 +46,14 @@ const DeleteExpensesListForm: FC<DeleteExpenseListFormProps> = (props) => {
       </p>
 
       {
-        list?.items && list?.items?.length > 0
+        list.items && list.items.length > 0
           ? (
             <p>
               В нем содержится
               {' '}
 
               <b>
-                {list.items?.length}
+                {list.items.length}
               </b>
 
               {' '}
diff --git a/frontend/src/entity/expenses/list/ui/EditExpensesListForm/ui/EditExpensesListForm.test.tsx b/frontend/src/entity/expenses/list/ui/EditExpensesListForm/ui/EditExpensesListForm.test.tsx
index 59dfb50..5c87511 100644
--- a/frontend/src/entity/expenses/list/ui/EditExpensesListForm/ui/EditExpensesListForm.test.tsx
+++ b/frontend/src/entity/expenses/list/ui/EditExpensesListForm/ui/EditExpensesListForm.test.tsx
@@ -51,8 +51,12 @@ describe('Test EditExpensesListForm', () => {
   });
 
   test.each([
-    ['enabled', {}, (el: HTMLElement) => expect(el).toBeEnabled()],
-    ['disabled', { disabled: true }, (el: HTMLElement) => expect(el).toBeDisabled()],
+    ['enabled', {}, (el: HTMLElement) => {
+      expect(el).toBeEnabled();
+    }],
+    ['disabled', { disabled: true }, (el: HTMLElement) => {
+      expect(el).toBeDisabled();
+    }],
   ])('should render fields %s', (_state, options, assertion) => {
     const { onSubmit, ...formElems } = renderForm(options);
     Object.values(formElems).forEach(assertion);
diff --git a/frontend/src/features/expenses/items/AddExpenseItemButton/hooks/useAddExpenseItemButton.ts b/frontend/src/features/expenses/items/AddExpenseItemButton/hooks/useAddExpenseItemButton.ts
index f778ce9..15a5e84 100644
--- a/frontend/src/features/expenses/items/AddExpenseItemButton/hooks/useAddExpenseItemButton.ts
+++ b/frontend/src/features/expenses/items/AddExpenseItemButton/hooks/useAddExpenseItemButton.ts
@@ -15,7 +15,9 @@ export const useAddExpenseItemButton = (args: UseAddExpenseItemButtonArgs) => {
 
   const [isOpen, setIsOpen] = useState(false);
   const { mutateAsync: addExpenseItemMutation, isPending } = useAddExpenseItem({ id: listId });
-  const onCloseModalHandler = () => setIsOpen(false);
+  const onCloseModalHandler = () => {
+    setIsOpen(false);
+  };
 
   const onClickHandler: MouseEventHandler<HTMLButtonElement> = (event) => {
     setIsOpen(true);
diff --git a/frontend/src/features/expenses/items/DeleteExpenseItemButton/hooks/useDeleteExpenseItemButton.ts b/frontend/src/features/expenses/items/DeleteExpenseItemButton/hooks/useDeleteExpenseItemButton.ts
index e2b07c3..1bcb78f 100644
--- a/frontend/src/features/expenses/items/DeleteExpenseItemButton/hooks/useDeleteExpenseItemButton.ts
+++ b/frontend/src/features/expenses/items/DeleteExpenseItemButton/hooks/useDeleteExpenseItemButton.ts
@@ -13,7 +13,9 @@ export const useDeleteExpenseItemButton = (args: UseDeleteExpenseItemButtonArgs)
   const { item, onClick } = args;
   const [isOpen, setIsOpen] = useState(false);
 
-  const onCloseModalHandler = () => setIsOpen(false);
+  const onCloseModalHandler = () => {
+    setIsOpen(false);
+  };
   const onClickHandler: MouseEventHandler<HTMLButtonElement> = (event) => {
     setIsOpen(true);
     onClick?.(event);
diff --git a/frontend/src/features/expenses/items/EditExpenseItemButton/hooks/useEditExpenseItemButton.ts b/frontend/src/features/expenses/items/EditExpenseItemButton/hooks/useEditExpenseItemButton.ts
index b97c2bd..bcc10a9 100644
--- a/frontend/src/features/expenses/items/EditExpenseItemButton/hooks/useEditExpenseItemButton.ts
+++ b/frontend/src/features/expenses/items/EditExpenseItemButton/hooks/useEditExpenseItemButton.ts
@@ -17,7 +17,9 @@ export const useEditExpenseItemButton = (args: UseAddExpenseItemButtonArgs) => {
     id: item.id,
     listId: item.expenseListId,
   });
-  const onCloseModalHandler = () => setIsOpen(false);
+  const onCloseModalHandler = () => {
+    setIsOpen(false);
+  };
 
   const onClickHandler: MouseEventHandler<HTMLButtonElement> = (event) => {
     setIsOpen(true);
diff --git a/frontend/src/index.tsx b/frontend/src/index.tsx
index 1367bc4..2a7516c 100644
--- a/frontend/src/index.tsx
+++ b/frontend/src/index.tsx
@@ -7,7 +7,7 @@ const rootEl = document.getElementById('root');
 
 async function enableMocking() {
   if (process.env.PUBLIC_ENABLE_MOCKING !== 'true') {
-    return;
+    return false;
   }
 
   const { worker } = await import('@mocks/browser/msw');
diff --git a/frontend/src/widgets/expenses/ExpensesTable/ui/ExpensesTable.ui.tsx b/frontend/src/widgets/expenses/ExpensesTable/ui/ExpensesTable.ui.tsx
index 8dbe045..af5877a 100644
--- a/frontend/src/widgets/expenses/ExpensesTable/ui/ExpensesTable.ui.tsx
+++ b/frontend/src/widgets/expenses/ExpensesTable/ui/ExpensesTable.ui.tsx
@@ -9,7 +9,7 @@ import classes from './ExpensesTable.module.css';
 const ExpensesTable = () => {
   const { data: expensesList, isPending, isLoading } = useExpensesList();
 
-  if (isPending || isLoading) {
+  if (isLoading || isPending) {
     return (
       <span>Loading...</span>
     );
@@ -49,7 +49,7 @@ const ExpensesTable = () => {
             </td>
 
             <td>
-              {expense.items?.length || 0}
+              {expense.items?.length ?? 0}
             </td>
 
             <td>