diff --git a/api/api/db/logic/account.py b/api/api/db/logic/account.py
index 08eb51e..4c16184 100644
--- a/api/api/db/logic/account.py
+++ b/api/api/db/logic/account.py
@@ -1,7 +1,6 @@
 import math
 from datetime import datetime, timezone
 from enum import Enum
-from typing import Optional
 
 from sqlalchemy import insert, select, func, or_, and_, asc, desc
 from sqlalchemy.ext.asyncio import AsyncConnection
@@ -11,9 +10,7 @@ from api.schemas.account.account import User
 from api.schemas.endpoints.account import all_user_adapter, AllUser, AllUserResponse, UserCreate, UserFilterDTO
 
 
-async def get_user_account_page_DTO(
-    connection: AsyncConnection, filter_dto: UserFilterDTO
-) -> Optional[AllUserResponse]:
+async def get_user_account_page_DTO(connection: AsyncConnection, filter_dto: UserFilterDTO) -> AllUserResponse | None:
     """
     Получает список пользователей с пагинацией, фильтрацией и сортировкой через DTO объект.
     Поддерживает:
@@ -118,7 +115,7 @@ async def get_user_account_page_DTO(
     )
 
 
-async def get_user_by_id(connection: AsyncConnection, user_id: int) -> Optional[AllUser]:
+async def get_user_by_id(connection: AsyncConnection, user_id: int) -> AllUser | None:
     """
     Получает юзера по id.
     """
@@ -133,7 +130,7 @@ async def get_user_by_id(connection: AsyncConnection, user_id: int) -> Optional[
     return User.model_validate(user)
 
 
-async def get_user_by_login(connection: AsyncConnection, login: str) -> Optional[User]:
+async def get_user_by_login(connection: AsyncConnection, login: str) -> User | None:
     """
     Получает юзера по login.
     """
@@ -147,7 +144,7 @@ async def get_user_by_login(connection: AsyncConnection, login: str) -> Optional
     return User.model_validate(user_data)
 
 
-async def update_user_by_id(connection: AsyncConnection, update_values, user) -> Optional[User]:
+async def update_user_by_id(connection: AsyncConnection, update_values, user) -> User | None:
     """
     Вносит изменеия в нужное поле таблицы account_table.
     """
@@ -156,7 +153,7 @@ async def update_user_by_id(connection: AsyncConnection, update_values, user) ->
     await connection.commit()
 
 
-async def create_user(connection: AsyncConnection, user: UserCreate, creator_id: int) -> Optional[AllUser]:
+async def create_user(connection: AsyncConnection, user: UserCreate, creator_id: int) -> AllUser | None:
     """
     Создает нове поле в таблице account_table.
     """
diff --git a/api/api/db/logic/auth.py b/api/api/db/logic/auth.py
index f3b940f..7859a89 100644
--- a/api/api/db/logic/auth.py
+++ b/api/api/db/logic/auth.py
@@ -1,5 +1,3 @@
-from typing import Optional
-
 from sqlalchemy import select, update
 from sqlalchemy.ext.asyncio import AsyncConnection
 from enum import Enum
@@ -15,7 +13,7 @@ from api.utils.key_id_gen import KeyIdGenerator
 from datetime import datetime, timezone
 
 
-async def get_user(connection: AsyncConnection, login: str) -> tuple[Optional[AllUser], Optional[AccountKeyring]]:
+async def get_user(connection: AsyncConnection, login: str) -> tuple[AllUser | None, AccountKeyring | None]:
     query = (
         select(account_table, account_keyring_table)
         .join(account_keyring_table, account_table.c.id == account_keyring_table.c.owner_id)
@@ -51,7 +49,7 @@ async def get_user(connection: AsyncConnection, login: str) -> tuple[Optional[Al
     return user, password
 
 
-async def upgrade_old_refresh_token(connection: AsyncConnection, refresh_token) -> Optional[User]:
+async def upgrade_old_refresh_token(connection: AsyncConnection, refresh_token) -> User | None:
     new_status = KeyStatus.EXPIRED
 
     update_query = (
@@ -71,7 +69,7 @@ async def upgrade_old_refresh_token(connection: AsyncConnection, refresh_token)
 
 async def add_new_refresh_token(
     connection: AsyncConnection, new_refresh_token, new_refresh_token_expires_time, user
-) -> Optional[User]:
+) -> User | None:
     new_refresh_token = account_keyring_table.insert().values(
         owner_id=user.id,
         key_type=KeyType.REFRESH_TOKEN,
diff --git a/api/api/db/logic/keyring.py b/api/api/db/logic/keyring.py
index e0c98b2..7fa3b8f 100644
--- a/api/api/db/logic/keyring.py
+++ b/api/api/db/logic/keyring.py
@@ -1,6 +1,5 @@
 from datetime import datetime, timedelta, timezone
 from enum import Enum
-from typing import Optional
 
 from sqlalchemy import insert, select, update
 from sqlalchemy.dialects.mysql import insert as mysql_insert
@@ -11,7 +10,7 @@ from api.schemas.account.account_keyring import AccountKeyring
 from api.utils.hasher import hasher
 
 
-async def get_key_by_id(connection: AsyncConnection, key_id: str) -> Optional[AccountKeyring]:
+async def get_key_by_id(connection: AsyncConnection, key_id: str) -> AccountKeyring | None:
     """
     Получает key по key_id.
     """
@@ -26,7 +25,7 @@ async def get_key_by_id(connection: AsyncConnection, key_id: str) -> Optional[Ac
     return AccountKeyring.model_validate(user_data)
 
 
-async def update_key_by_id(connection: AsyncConnection, update_values, key) -> Optional[AccountKeyring]:
+async def update_key_by_id(connection: AsyncConnection, update_values, key) -> AccountKeyring | None:
     """
     Вносит изменеия в нужное поле таблицы account_keyring_table.
     """
@@ -37,7 +36,7 @@ async def update_key_by_id(connection: AsyncConnection, update_values, key) -> O
     await connection.commit()
 
 
-async def create_key(connection: AsyncConnection, key: AccountKeyring, key_id: str) -> Optional[AccountKeyring]:
+async def create_key(connection: AsyncConnection, key: AccountKeyring, key_id: str) -> AccountKeyring | None:
     """
     Создает нове поле в таблице account_keyring_table).
     """
diff --git a/api/api/db/logic/list_events.py b/api/api/db/logic/list_events.py
index b50cc00..15addd6 100644
--- a/api/api/db/logic/list_events.py
+++ b/api/api/db/logic/list_events.py
@@ -1,4 +1,3 @@
-from typing import Optional
 import math
 
 from datetime import datetime, timezone
@@ -16,7 +15,7 @@ from api.schemas.endpoints.list_events import all_list_event_adapter, AllListEve
 
 async def get_list_events_page_DTO(
     connection: AsyncConnection, filter_dto: ListEventFilterDTO
-) -> Optional[AllListEventResponse]:
+) -> AllListEventResponse | None:
     """
     Получает список событий с фильтрацией через DTO объект.
     Поддерживает:
@@ -121,7 +120,7 @@ async def get_list_events_page_DTO(
     )
 
 
-async def get_list_events_by_name(connection: AsyncConnection, name: str) -> Optional[ListEvent]:
+async def get_list_events_by_name(connection: AsyncConnection, name: str) -> ListEvent | None:
     """
     Получает list events  по name.
     """
@@ -136,7 +135,7 @@ async def get_list_events_by_name(connection: AsyncConnection, name: str) -> Opt
     return ListEvent.model_validate(list_events_data)
 
 
-async def get_list_events_by_id(connection: AsyncConnection, id: int) -> Optional[ListEvent]:
+async def get_list_events_by_id(connection: AsyncConnection, id: int) -> ListEvent | None:
     """
     Получает listevent по id.
     """
@@ -162,9 +161,7 @@ async def update_list_events_by_id(connection: AsyncConnection, update_values, l
     await connection.commit()
 
 
-async def create_list_events(
-    connection: AsyncConnection, list_events: ListEvent, creator_id: int
-) -> Optional[ListEvent]:
+async def create_list_events(connection: AsyncConnection, list_events: ListEvent, creator_id: int) -> ListEvent | None:
     """
     Создает нове поле в таблице list_events_table.
     """
diff --git a/api/api/db/logic/node_link.py b/api/api/db/logic/node_link.py
index ca8d9b3..e565169 100644
--- a/api/api/db/logic/node_link.py
+++ b/api/api/db/logic/node_link.py
@@ -1,5 +1,3 @@
-from typing import Optional, List
-
 from datetime import datetime, timezone
 
 from sqlalchemy import insert, select, desc
@@ -11,7 +9,7 @@ from orm.tables.process import ps_node_table, node_link_table
 from orm.tables.process import NodeLinkStatus
 
 
-async def get_last_link_name_by_node_id(connection: AsyncConnection, ps_id: int) -> Optional[str]:
+async def get_last_link_name_by_node_id(connection: AsyncConnection, ps_id: int) -> str | None:
     """
     Получает link_name из последней записи node_link по ps_id.
     Находит все node_id в ps_node по ps_id, затем ищет связи в node_link
@@ -32,7 +30,7 @@ async def get_last_link_name_by_node_id(connection: AsyncConnection, ps_id: int)
 
 async def get_last_node_link_by_creator_and_ps_id(
     connection: AsyncConnection, creator_id: int, node_link_id: int
-) -> Optional[NodeLink]:
+) -> NodeLink | None:
     """
     Получает последнюю созданную node_link для данного создателя и процесса.
     """
@@ -59,7 +57,7 @@ async def create_node_link_schema(
     connection: AsyncConnection,
     validated_link_schema,
     creator_id: int,
-) -> Optional[NodeLink]:
+) -> NodeLink | None:
     """
     Создает нове поле в таблице process_schema_table.
     """
@@ -81,7 +79,7 @@ async def create_node_link_schema(
     return await get_last_node_link_by_creator_and_ps_id(connection, creator_id, validated_link_schema.from_id)
 
 
-async def get_all_node_links_by_next_node_ids(connection: AsyncConnection, next_node_ids: List[int]) -> List[NodeLink]:
+async def get_all_node_links_by_next_node_ids(connection: AsyncConnection, next_node_ids: list[int]) -> list[NodeLink]:
     """
     Получает все активные node_link для списка next_node_id одним запросом.
     """
diff --git a/api/api/db/logic/process_schema.py b/api/api/db/logic/process_schema.py
index ec097e1..4d3eb28 100644
--- a/api/api/db/logic/process_schema.py
+++ b/api/api/db/logic/process_schema.py
@@ -1,4 +1,4 @@
-from typing import Optional, Dict, Any
+from typing import Any
 import math
 
 from datetime import datetime, timezone
@@ -19,7 +19,7 @@ from api.schemas.endpoints.process_schema import (
 
 async def get_process_schema_page_DTO(
     connection: AsyncConnection, filter_dto: ProcessSchemaFilterDTO
-) -> Optional[AllProcessSchemaResponse]:
+) -> AllProcessSchemaResponse | None:
     """
     Получает список схем процессов с комплексной фильтрацией через DTO объект.
     Поддерживает:
@@ -115,7 +115,7 @@ async def get_process_schema_page_DTO(
     )
 
 
-async def get_process_schema_by_id(connection: AsyncConnection, id: int) -> Optional[ProcessSchema]:
+async def get_process_schema_by_id(connection: AsyncConnection, id: int) -> ProcessSchema | None:
     """
     Получает process_schema по id.
     """
@@ -143,7 +143,7 @@ async def update_process_schema_by_id(connection: AsyncConnection, update_values
 
 async def create_process_schema(
     connection: AsyncConnection, creator_id: int, title: str, description: str
-) -> Optional[int]:
+) -> int | None:
     """
     Создает новое поле в таблице process_schema_table.
     """
diff --git a/api/api/db/logic/ps_node.py b/api/api/db/logic/ps_node.py
index c77b860..83b7162 100644
--- a/api/api/db/logic/ps_node.py
+++ b/api/api/db/logic/ps_node.py
@@ -1,4 +1,4 @@
-from typing import Optional, List, Dict, Any
+from typing import Any
 
 from datetime import datetime, timezone
 
@@ -11,7 +11,7 @@ from api.schemas.process.ps_node import Ps_Node
 from orm.tables.process import NodeStatus
 
 
-async def get_ps_node_by_id(connection: AsyncConnection, id: int) -> Optional[Ps_Node]:
+async def get_ps_node_by_id(connection: AsyncConnection, id: int) -> Ps_Node | None:
     """
     Получает process_schema по id.
     """
@@ -28,7 +28,7 @@ async def get_ps_node_by_id(connection: AsyncConnection, id: int) -> Optional[Ps
 
 async def get_last_ps_node_by_creator_and_ps_id(
     connection: AsyncConnection, creator_id: int, ps_id: int
-) -> Optional[Ps_Node]:
+) -> Ps_Node | None:
     """
     Получает последнюю созданную ps_node для данного создателя и процесса.
     """
@@ -48,7 +48,7 @@ async def get_last_ps_node_by_creator_and_ps_id(
     return Ps_Node.model_validate(ps_node_data)
 
 
-async def get_all_ps_nodes_by_ps_id(connection: AsyncConnection, ps_id: int) -> List[Ps_Node]:
+async def get_all_ps_nodes_by_ps_id(connection: AsyncConnection, ps_id: int) -> list[Ps_Node]:
     """
     Получает все активные ps_node для данной process_schema.
     """
@@ -67,8 +67,8 @@ async def create_ps_node_schema(
     validated_schema,
     node_descriptor,
     creator_id: int,
-    settings_payload: Optional[Dict[str, Any]] = None,
-) -> Optional[Ps_Node]:
+    settings_payload: dict[str, Any] | None = None,
+) -> Ps_Node | None:
     """
     Создает нове поле в таблице process_schema_table.
     """
@@ -104,7 +104,7 @@ async def check_node_connection(connection: AsyncConnection, node_id: int, next_
     return result.mappings().first() is not None
 
 
-async def get_nodes_for_deletion_ordered(connection: AsyncConnection, node_id: int) -> List[int]:
+async def get_nodes_for_deletion_ordered(connection: AsyncConnection, node_id: int) -> list[int]:
     """
     Рекурсивно находит ВСЕ дочерние узлы и возвращает их ID в правильном порядке:
     от самых глубоких к корневым.
@@ -144,7 +144,7 @@ async def get_nodes_for_deletion_ordered(connection: AsyncConnection, node_id: i
     return ordered_node_ids
 
 
-async def delete_ps_nodes_delete_handler(connection: AsyncConnection, node_ids: List[int]) -> List[int]:
+async def delete_ps_nodes_delete_handler(connection: AsyncConnection, node_ids: list[int]) -> list[int]:
     """
     Очищает settings и удаляет ноды для каждого ps_id.
     Возвращает список успешно удаленных ID нод.
@@ -177,7 +177,7 @@ async def delete_ps_nodes_delete_handler(connection: AsyncConnection, node_ids:
     return deleted_all
 
 
-async def remove_nodes_from_process_schema_settings(connection: AsyncConnection, ps_id: int, node_ids: List[int]):
+async def remove_nodes_from_process_schema_settings(connection: AsyncConnection, ps_id: int, node_ids: list[int]):
     """
     Удаляет ноды из поля settings в таблице process_schema по списку node_ids.
     """
diff --git a/api/api/endpoints/account.py b/api/api/endpoints/account.py
index 46cbace..07eaeaf 100644
--- a/api/api/endpoints/account.py
+++ b/api/api/endpoints/account.py
@@ -1,5 +1,3 @@
-from typing import List, Optional
-
 from fastapi import APIRouter, Depends, Query, status
 from sqlalchemy.ext.asyncio import AsyncConnection
 
@@ -23,12 +21,12 @@ api_router = APIRouter(
 async def get_all_account_endpoint(
     page: int = Query(1, description="Page number", gt=0),
     limit: int = Query(10, description="КNumber of items per page", gt=0),
-    search: Optional[str] = Query(None, description="Search term to filter by name or login or email"),
-    status_filter: Optional[List[str]] = Query(None, description="Filter by status"),
-    role_filter: Optional[List[str]] = Query(None, description="Filter by role"),
-    creator_id: Optional[int] = Query(None, description="Filter by creator id"),
-    order_field: Optional[str] = Query("id", description="Field to sort by"),
-    order_direction: Optional[str] = Query("asc", description="Sort direction (asc/desc)"),
+    search: str | None = Query(None, description="Search term to filter by name or login or email"),
+    status_filter: list[str] | None = Query(None, description="Filter by status"),
+    role_filter: list[str] | None = Query(None, description="Filter by role"),
+    creator_id: int | None = Query(None, description="Filter by creator id"),
+    order_field: str | None = Query("id", description="Field to sort by"),
+    order_direction: str | None = Query("asc", description="Sort direction (asc/desc)"),
     connection: AsyncConnection = Depends(get_connection_dep),
     current_user=Depends(get_current_user),
 ):
diff --git a/api/api/endpoints/list_events.py b/api/api/endpoints/list_events.py
index f00a1e7..5c1cfb9 100644
--- a/api/api/endpoints/list_events.py
+++ b/api/api/endpoints/list_events.py
@@ -1,5 +1,3 @@
-from typing import List, Optional
-
 from fastapi import APIRouter, Depends, Query, status
 from sqlalchemy.ext.asyncio import AsyncConnection
 
@@ -23,12 +21,12 @@ api_router = APIRouter(
 async def get_all_list_events_endpoint(
     page: int = Query(1, description="Page number", gt=0),
     limit: int = Query(10, description="Number of items per page", gt=0),
-    search: Optional[str] = Query(None, description="Search term to filter by title or name"),
-    order_field: Optional[str] = Query("id", description="Field to sort by"),
-    order_direction: Optional[str] = Query("asc", description="Sort direction (asc/desc)"),
-    status_filter: Optional[List[str]] = Query(None, description="Filter by status"),
-    state_filter: Optional[List[str]] = Query(None, description="Filter by state"),
-    creator_id: Optional[int] = Query(None, description="Filter by creator id"),
+    search: str | None = Query(None, description="Search term to filter by title or name"),
+    order_field: str | None = Query("id", description="Field to sort by"),
+    order_direction: str | None = Query("asc", description="Sort direction (asc/desc)"),
+    status_filter: list[str] | None = Query(None, description="Filter by status"),
+    state_filter: list[str] | None = Query(None, description="Filter by state"),
+    creator_id: int | None = Query(None, description="Filter by creator id"),
     connection: AsyncConnection = Depends(get_connection_dep),
     current_user=Depends(get_current_user),
 ):
diff --git a/api/api/endpoints/process_schema.py b/api/api/endpoints/process_schema.py
index 741b217..d98024f 100644
--- a/api/api/endpoints/process_schema.py
+++ b/api/api/endpoints/process_schema.py
@@ -1,5 +1,3 @@
-from typing import List, Optional
-
 from fastapi import APIRouter, Depends, Query, status, HTTPException
 from sqlalchemy.ext.asyncio import AsyncConnection
 
@@ -25,14 +23,14 @@ api_router = APIRouter(
 async def get_all_process_schema_endpoint(
     page: int = Query(1, description="Page number", gt=0),
     limit: int = Query(10, description="Number of items per page", gt=0),
-    search: Optional[str] = Query(None, description="Search term to filter by title or description"),
-    order_field: Optional[str] = Query("id", description="Field to sort by"),
-    order_direction: Optional[str] = Query("asc", description="Sort direction (asc/desc)"),
-    status_filter: Optional[List[str]] = Query(None, description="Filter by status"),
-    owner_id: Optional[List[str]] = Query(None, description="Filter by owner id"),
+    search: str | None = Query(None, description="Search term to filter by title or description"),
+    order_field: str | None = Query("id", description="Field to sort by"),
+    order_direction: str | None = Query("asc", description="Sort direction (asc/desc)"),
+    status_filter: list[str] | None = Query(None, description="Filter by status"),
+    owner_id: list[str] | None = Query(None, description="Filter by owner id"),
     show_deleted: bool = Query(False, description="Show only deleted schemas"),
     connection: AsyncConnection = Depends(get_connection_dep),
-    creator_id: Optional[int] = Query(None, description="Filter by creator id"),
+    creator_id: int | None = Query(None, description="Filter by creator id"),
     current_user=Depends(get_current_user),
 ):
     if show_deleted:
diff --git a/api/api/error/error_handlers.py b/api/api/error/error_handlers.py
index 8960f52..432487f 100644
--- a/api/api/error/error_handlers.py
+++ b/api/api/error/error_handlers.py
@@ -2,14 +2,14 @@
 Обработчики ошибок для API.
 """
 
-from typing import Optional, Dict, Any
+from typing import Any
 from fastapi import HTTPException
 
 from .error_model.error_types import ServerError, AccessError, OperationError, ValidationError, ErrorType
 
 
 def handle_api_error(
-    error_type: ErrorType, message: str, status_code: int, details: Optional[Dict[str, Any]] = None
+    error_type: ErrorType, message: str, status_code: int, details: dict[str, Any] | None = None
 ) -> HTTPException:
     """
     Функция для создания HTTPException с правильной структурой ошибки.
@@ -30,25 +30,21 @@ def handle_api_error(
     return HTTPException(status_code=status_code, detail=error.model_dump(mode="json"))
 
 
-def create_server_error(
-    message: str, status_code: int = 500, details: Optional[Dict[str, Any]] = None
-) -> HTTPException:
+def create_server_error(message: str, status_code: int = 500, details: dict[str, Any] | None = None) -> HTTPException:
     return handle_api_error(error_type=ErrorType.SERVER, message=message, status_code=status_code, details=details)
 
 
-def create_access_error(
-    message: str, status_code: int = 403, details: Optional[Dict[str, Any]] = None
-) -> HTTPException:
+def create_access_error(message: str, status_code: int = 403, details: dict[str, Any] | None = None) -> HTTPException:
     return handle_api_error(error_type=ErrorType.ACCESS, message=message, status_code=status_code, details=details)
 
 
 def create_operation_error(
-    message: str, status_code: int = 400, details: Optional[Dict[str, Any]] = None
+    message: str, status_code: int = 400, details: dict[str, Any] | None = None
 ) -> HTTPException:
     return handle_api_error(error_type=ErrorType.OPERATION, message=message, status_code=status_code, details=details)
 
 
 def create_validation_error(
-    message: str, status_code: int = 422, details: Optional[Dict[str, Any]] = None
+    message: str, status_code: int = 422, details: dict[str, Any] | None = None
 ) -> HTTPException:
     return handle_api_error(error_type=ErrorType.VALIDATION, message=message, status_code=status_code, details=details)
diff --git a/api/api/error/error_model/error_types.py b/api/api/error/error_model/error_types.py
index ee32422..9e820e4 100644
--- a/api/api/error/error_model/error_types.py
+++ b/api/api/error/error_model/error_types.py
@@ -3,7 +3,7 @@
 """
 
 from enum import Enum
-from typing import Optional, Dict, Any
+from typing import Any
 from pydantic import BaseModel
 
 
@@ -25,7 +25,7 @@ class BaseError(BaseModel):
 
     error_type: ErrorType
     message: str
-    details: Optional[Dict[str, Any]] = None
+    details: dict[str, Any] | None = None
 
 
 class ServerError(BaseError):
@@ -58,4 +58,4 @@ class ValidationError(BaseError):
     """
 
     error_type: ErrorType = ErrorType.VALIDATION
-    field_errors: Optional[Dict[str, str]] = None
+    field_errors: dict[str, str] | None = None
diff --git a/api/api/schemas/account/account.py b/api/api/schemas/account/account.py
index f105c8d..7f6007c 100644
--- a/api/api/schemas/account/account.py
+++ b/api/api/schemas/account/account.py
@@ -1,5 +1,4 @@
 from datetime import datetime
-from typing import Optional
 
 from orm.tables.account import AccountRole, AccountStatus
 from pydantic import EmailStr, Field
@@ -8,13 +7,13 @@ from api.schemas.base import Base
 
 
 class User(Base):
-    id: Optional[int] = None
+    id: int | None = None
     name: str = Field(..., max_length=100)
     login: str = Field(..., max_length=100)
-    email: Optional[EmailStr] = Field(None, max_length=100)  # Электронная почта (может быть None)
-    bind_tenant_id: Optional[str] = Field(None, max_length=40)
+    email: EmailStr | None = Field(None, max_length=100)  # Электронная почта (может быть None)
+    bind_tenant_id: str | None = Field(None, max_length=40)
     role: AccountRole
     meta: dict
-    creator_id: Optional[int] = None
+    creator_id: int | None = None
     created_at: datetime
     status: AccountStatus
diff --git a/api/api/schemas/account/account_keyring.py b/api/api/schemas/account/account_keyring.py
index 9c2ca27..f86d2df 100644
--- a/api/api/schemas/account/account_keyring.py
+++ b/api/api/schemas/account/account_keyring.py
@@ -1,5 +1,4 @@
 from datetime import datetime
-from typing import Optional
 
 from orm.tables.account import KeyStatus, KeyType
 from pydantic import Field
@@ -10,8 +9,8 @@ from api.schemas.base import Base
 class AccountKeyring(Base):
     owner_id: int
     key_type: KeyType
-    key_id: Optional[str] = Field(None, max_length=40)
+    key_id: str | None = Field(None, max_length=40)
     key_value: str = Field(..., max_length=255)
     created_at: datetime
-    expiry: Optional[datetime] = None
+    expiry: datetime | None = None
     status: KeyStatus
diff --git a/api/api/schemas/endpoints/account.py b/api/api/schemas/endpoints/account.py
index 8965f1e..82b9ad9 100644
--- a/api/api/schemas/endpoints/account.py
+++ b/api/api/schemas/endpoints/account.py
@@ -1,5 +1,4 @@
 from datetime import datetime
-from typing import Dict, List, Optional
 
 from orm.tables.account import AccountRole, AccountStatus
 from pydantic import EmailStr, Field, TypeAdapter
@@ -8,24 +7,24 @@ from api.schemas.base import Base
 
 
 class UserUpdate(Base):
-    name: Optional[str] = Field(None, max_length=100)
-    login: Optional[str] = Field(None, max_length=100)
-    email: Optional[EmailStr] = None
-    password: Optional[str] = None
-    bind_tenant_id: Optional[str] = Field(None, max_length=40)
-    role: Optional[AccountRole] = None
-    meta: Optional[dict] = None
-    status: Optional[AccountStatus] = None
+    name: str | None = Field(None, max_length=100)
+    login: str | None = Field(None, max_length=100)
+    email: EmailStr | None = None
+    password: str | None = None
+    bind_tenant_id: str | None = Field(None, max_length=40)
+    role: AccountRole | None = None
+    meta: dict | None = None
+    status: AccountStatus | None = None
 
 
 class UserCreate(Base):
     name: str = Field(max_length=100)
     login: str = Field(max_length=100)
-    email: Optional[EmailStr] = None
-    password: Optional[str] = None
-    bind_tenant_id: Optional[str] = Field(None, max_length=40)
+    email: EmailStr | None = None
+    password: str | None = None
+    bind_tenant_id: str | None = Field(None, max_length=40)
     role: AccountRole
-    meta: Optional[dict] = None
+    meta: dict | None = None
     status: AccountStatus
 
 
@@ -33,28 +32,28 @@ class AllUser(Base):
     id: int
     name: str
     login: str
-    email: Optional[EmailStr] = None
-    bind_tenant_id: Optional[str] = None
+    email: EmailStr | None = None
+    bind_tenant_id: str | None = None
     role: AccountRole
-    meta: Optional[dict] = None
-    creator_id: Optional[int] = None
+    meta: dict | None = None
+    creator_id: int | None = None
     created_at: datetime
     status: AccountStatus
 
 
 class AllUserResponse(Base):
-    users: List[AllUser]
+    users: list[AllUser]
     amount_count: int
     amount_pages: int
     current_page: int
     limit: int
 
 
-all_user_adapter = TypeAdapter(List[AllUser])
+all_user_adapter = TypeAdapter(list[AllUser])
 
 
 class UserFilterDTO(Base):
-    pagination: Dict[str, int]
-    search: Optional[str] = None
-    order: Optional[Dict[str, str]] = None
-    filters: Optional[Dict[str, List[str]]] = None
+    pagination: dict[str, int]
+    search: str | None = None
+    order: dict[str, str] | None = None
+    filters: dict[str, list[str]] | None = None
diff --git a/api/api/schemas/endpoints/account_keyring.py b/api/api/schemas/endpoints/account_keyring.py
index 78728fc..e4ee17c 100644
--- a/api/api/schemas/endpoints/account_keyring.py
+++ b/api/api/schemas/endpoints/account_keyring.py
@@ -1,5 +1,3 @@
-from typing import Optional
-
 from orm.tables.account import KeyStatus, KeyType
 from pydantic import Field
 
@@ -7,7 +5,7 @@ from api.schemas.base import Base
 
 
 class AccountKeyringUpdate(Base):
-    owner_id: Optional[int] = None
-    key_type: Optional[KeyType] = None
-    key_value: Optional[str] = Field(None, max_length=255)
-    status: Optional[KeyStatus] = None
+    owner_id: int | None = None
+    key_type: KeyType | None = None
+    key_value: str | None = Field(None, max_length=255)
+    status: KeyStatus | None = None
diff --git a/api/api/schemas/endpoints/list_events.py b/api/api/schemas/endpoints/list_events.py
index 4943f11..b6e702e 100644
--- a/api/api/schemas/endpoints/list_events.py
+++ b/api/api/schemas/endpoints/list_events.py
@@ -1,5 +1,5 @@
 from datetime import datetime
-from typing import Any, Dict, List, Optional
+from typing import Any
 
 from orm.tables.events import EventState, EventStatus
 from pydantic import Field, TypeAdapter
@@ -8,11 +8,11 @@ from api.schemas.base import Base
 
 
 class ListEventUpdate(Base):
-    name: Optional[str] = Field(None, max_length=40)
-    title: Optional[str] = Field(None, max_length=64)
-    schema_: Optional[Dict[str, Any]] = Field(None, alias="schema")
-    state: Optional[EventState] = None
-    status: Optional[EventStatus] = None
+    name: str | None = Field(None, max_length=40)
+    title: str | None = Field(None, max_length=64)
+    schema_: dict[str, Any] | None = Field(None, alias="schema")
+    state: EventState | None = None
+    status: EventStatus | None = None
 
 
 class AllListEvent(Base):
@@ -21,24 +21,24 @@ class AllListEvent(Base):
     title: str
     creator_id: int
     created_at: datetime
-    schema_: Dict[str, Any] = Field(default={}, alias="schema")
+    schema_: dict[str, Any] = Field(default={}, alias="schema")
     state: EventState
     status: EventStatus
 
 
 class AllListEventResponse(Base):
-    list_event: List[AllListEvent]
+    list_event: list[AllListEvent]
     amount_count: int
     amount_pages: int
     current_page: int
     limit: int
 
 
-all_list_event_adapter = TypeAdapter(List[AllListEvent])
+all_list_event_adapter = TypeAdapter(list[AllListEvent])
 
 
 class ListEventFilterDTO(Base):
-    pagination: Dict[str, int]
-    search: Optional[str] = None
-    order: Optional[Dict[str, str]] = None
-    filters: Optional[Dict[str, List[str]]] = None
+    pagination: dict[str, int]
+    search: str | None = None
+    order: dict[str, str] | None = None
+    filters: dict[str, list[str]] | None = None
diff --git a/api/api/schemas/endpoints/process_schema.py b/api/api/schemas/endpoints/process_schema.py
index 9dc41c8..a1615fc 100644
--- a/api/api/schemas/endpoints/process_schema.py
+++ b/api/api/schemas/endpoints/process_schema.py
@@ -1,5 +1,5 @@
 from datetime import datetime
-from typing import Any, Dict, List, Optional
+from typing import Any
 
 from orm.tables.process import ProcessStatus
 from pydantic import Field, TypeAdapter
@@ -8,11 +8,11 @@ from api.schemas.base import Base
 
 
 class ProcessSchemaUpdate(Base):
-    title: Optional[str] = Field(None, max_length=100)
-    description: Optional[str] = None
-    # owner_id: Optional[int] = None
-    settings: Optional[Dict[str, Any]] = None
-    status: Optional[ProcessStatus] = None
+    title: str | None = Field(None, max_length=100)
+    description: str | None = None
+    # owner_id: int | None = None
+    settings: dict[str, Any] | None = None
+    status: ProcessStatus | None = None
 
 
 class AllProcessSchema(Base):
@@ -22,23 +22,23 @@ class AllProcessSchema(Base):
     owner_id: int
     creator_id: int
     created_at: datetime
-    settings: Dict[str, Any]
+    settings: dict[str, Any]
     status: ProcessStatus
 
 
 class AllProcessSchemaResponse(Base):
-    process_schema: List[AllProcessSchema]
+    process_schema: list[AllProcessSchema]
     amount_count: int
     amount_pages: int
     current_page: int
     limit: int
 
 
-all_process_schema_adapter = TypeAdapter(List[AllProcessSchema])
+all_process_schema_adapter = TypeAdapter(list[AllProcessSchema])
 
 
 class ProcessSchemaFilterDTO(Base):
-    pagination: Dict[str, int]
-    search: Optional[str] = None
-    order: Optional[Dict[str, str]] = None
-    filters: Optional[Dict[str, List[str]]] = None
+    pagination: dict[str, int]
+    search: str | None = None
+    order: dict[str, str] | None = None
+    filters: dict[str, list[str]] | None = None
diff --git a/api/api/schemas/events/list_events.py b/api/api/schemas/events/list_events.py
index 7c0245d..f22733b 100644
--- a/api/api/schemas/events/list_events.py
+++ b/api/api/schemas/events/list_events.py
@@ -1,5 +1,5 @@
 from datetime import datetime
-from typing import Any, Dict
+from typing import Any
 
 from orm.tables.events import EventState, EventStatus
 from pydantic import Field
@@ -13,6 +13,6 @@ class ListEvent(Base):
     title: str = Field(..., max_length=64)
     creator_id: int
     created_at: datetime
-    schema_: Dict[str, Any] = Field(..., alias="schema")
+    schema_: dict[str, Any] = Field(..., alias="schema")
     state: EventState
     status: EventStatus
diff --git a/api/api/schemas/process/node_link.py b/api/api/schemas/process/node_link.py
index ea3b03f..d8d9d85 100644
--- a/api/api/schemas/process/node_link.py
+++ b/api/api/schemas/process/node_link.py
@@ -1,5 +1,5 @@
 from datetime import datetime
-from typing import Any, Dict
+from typing import Any
 
 from orm.tables.process import NodeStatus
 from pydantic import Field
@@ -13,7 +13,7 @@ class NodeLink(Base):
     node_id: int
     link_point_id: int
     next_node_id: int
-    settings: Dict[str, Any]
+    settings: dict[str, Any]
     creator_id: int
     created_at: datetime
     status: NodeStatus
diff --git a/api/api/schemas/process/process_schema.py b/api/api/schemas/process/process_schema.py
index 65254fe..f43915b 100644
--- a/api/api/schemas/process/process_schema.py
+++ b/api/api/schemas/process/process_schema.py
@@ -1,5 +1,5 @@
 from datetime import datetime
-from typing import Any, Dict, List
+from typing import Any
 
 from orm.tables.process import ProcessStatus
 from pydantic import Field
@@ -15,10 +15,10 @@ class ProcessSchema(Base):
     owner_id: int
     creator_id: int
     created_at: datetime
-    settings: Dict[str, Any]
+    settings: dict[str, Any]
     status: ProcessStatus
 
 
 class ProcessSchemaResponse(Base):
     process_schema: ProcessSchema
-    nodes: List[Ps_NodeFrontResponse]
+    nodes: list[Ps_NodeFrontResponse]
diff --git a/api/api/schemas/process/ps_node.py b/api/api/schemas/process/ps_node.py
index 0722d9a..15b72b8 100644
--- a/api/api/schemas/process/ps_node.py
+++ b/api/api/schemas/process/ps_node.py
@@ -1,5 +1,5 @@
 from datetime import datetime
-from typing import Any, Dict, Optional, List
+from typing import Any
 
 from orm.tables.process import NodeStatus, NodeType
 
@@ -14,8 +14,8 @@ class Ps_NodeDeleteRequest(Base):
 
 
 class Ps_NodeRequest(Base):
-    data: Dict[str, Any]
-    links: Dict[str, Any]
+    data: dict[str, Any]
+    links: dict[str, Any]
 
 
 class Ps_Node(Base):
@@ -29,5 +29,5 @@ class Ps_Node(Base):
 
 
 class Ps_NodeFrontResponse(Base):
-    node: Optional[Dict[str, Any]] = None
-    link: Optional[List[Dict[str, Any]]] = None
+    node: dict[str, Any] | None = None
+    link: list[dict[str, Any]] | None = None
diff --git a/api/api/services/auth.py b/api/api/services/auth.py
index d462602..cde2b13 100644
--- a/api/api/services/auth.py
+++ b/api/api/services/auth.py
@@ -1,5 +1,3 @@
-from typing import Optional
-
 from fastapi import HTTPException, Request
 from orm.tables.account import AccountStatus
 from sqlalchemy.ext.asyncio import AsyncConnection
@@ -15,7 +13,7 @@ async def get_current_user(request: Request) -> str | HTTPException:
     return request.state.current_user
 
 
-async def authenticate_user(connection: AsyncConnection, username: str, password: str) -> Optional[AllUser]:
+async def authenticate_user(connection: AsyncConnection, username: str, password: str) -> AllUser | None:
     sql_user, sql_password = await get_user(connection, username)
 
     if not sql_user or sql_user.status != AccountStatus.ACTIVE:
diff --git a/api/api/services/endpoints/account.py b/api/api/services/endpoints/account.py
index 21c6f37..6f54b41 100644
--- a/api/api/services/endpoints/account.py
+++ b/api/api/services/endpoints/account.py
@@ -1,4 +1,3 @@
-from typing import Optional
 from sqlalchemy.ext.asyncio import AsyncConnection
 from orm.tables.account import AccountStatus
 
@@ -19,13 +18,13 @@ class AccountService:
     def __init__(self, connection: AsyncConnection):
         self.connection = connection
 
-    async def list(self, filter_dto: UserFilterDTO) -> Optional[AllUserResponse]:
+    async def list(self, filter_dto: UserFilterDTO) -> AllUserResponse | None:
         """
         Получает список пользователей с пагинацией и фильтрацией.
         """
         return await get_user_account_page_DTO(self.connection, filter_dto)
 
-    async def get(self, user_id: int) -> Optional[User]:
+    async def get(self, user_id: int) -> User | None:
         """
         Получает пользователя по ID.
         """
diff --git a/api/api/services/endpoints/keyring.py b/api/api/services/endpoints/keyring.py
index f2094d0..3c5251e 100644
--- a/api/api/services/endpoints/keyring.py
+++ b/api/api/services/endpoints/keyring.py
@@ -1,4 +1,3 @@
-from typing import Optional
 from sqlalchemy.ext.asyncio import AsyncConnection
 from orm.tables.account import KeyStatus
 
@@ -15,7 +14,7 @@ class KeyringService:
     def __init__(self, connection: AsyncConnection):
         self.connection = connection
 
-    async def get(self, key_id: str) -> Optional[AccountKeyring]:
+    async def get(self, key_id: str) -> AccountKeyring | None:
         """
         Получает keyring по key_id.
         """
diff --git a/api/api/services/endpoints/list_events.py b/api/api/services/endpoints/list_events.py
index 2d80cbc..a199888 100644
--- a/api/api/services/endpoints/list_events.py
+++ b/api/api/services/endpoints/list_events.py
@@ -1,4 +1,3 @@
-from typing import Optional
 from sqlalchemy.ext.asyncio import AsyncConnection
 from orm.tables.events import EventStatus
 
@@ -19,25 +18,25 @@ class ListEventsService:
     def __init__(self, connection: AsyncConnection):
         self.connection = connection
 
-    async def list(self, filter_dto: ListEventFilterDTO) -> Optional[AllListEventResponse]:
+    async def list(self, filter_dto: ListEventFilterDTO) -> AllListEventResponse | None:
         """
         Получает список событий с пагинацией и фильтрацией.
         """
         return await get_list_events_page_DTO(self.connection, filter_dto)
 
-    async def get(self, list_events_id: int) -> Optional[ListEvent]:
+    async def get(self, list_events_id: int) -> ListEvent | None:
         """
         Получает событие по ID.
         """
         return await get_list_events_by_id(self.connection, list_events_id)
 
-    async def get_by_name(self, name: str) -> Optional[ListEvent]:
+    async def get_by_name(self, name: str) -> ListEvent | None:
         """
         Получает событие по name.
         """
         return await get_list_events_by_name(self.connection, name)
 
-    async def create(self, list_events_data: ListEventUpdate, creator_id: int) -> Optional[ListEvent]:
+    async def create(self, list_events_data: ListEventUpdate, creator_id: int) -> ListEvent | None:
         """
         Создаёт новое событие.
         """
diff --git a/api/api/services/endpoints/process_schema.py b/api/api/services/endpoints/process_schema.py
index 749ebaa..8d69e61 100644
--- a/api/api/services/endpoints/process_schema.py
+++ b/api/api/services/endpoints/process_schema.py
@@ -1,4 +1,4 @@
-from typing import Optional, Dict, Any
+from typing import Any
 from sqlalchemy.ext.asyncio import AsyncConnection
 from orm.tables.process import ProcessStatus
 
@@ -25,13 +25,13 @@ class ProcessSchemaService:
     def __init__(self, connection: AsyncConnection):
         self.connection = connection
 
-    async def list(self, filter_dto: ProcessSchemaFilterDTO) -> Optional[AllProcessSchemaResponse]:
+    async def list(self, filter_dto: ProcessSchemaFilterDTO) -> AllProcessSchemaResponse | None:
         """
         Получает список схем процессов с пагинацией и фильтрацией.
         """
         return await get_process_schema_page_DTO(self.connection, filter_dto)
 
-    async def get(self, process_schema_id: int) -> Optional[ProcessSchemaResponse]:
+    async def get(self, process_schema_id: int) -> ProcessSchemaResponse | None:
         """
         Получает схему процесса по ID со всеми нодами и линками.
         """
@@ -66,7 +66,7 @@ class ProcessSchemaService:
             nodes=nodes_response,
         )
 
-    async def create(self, creator_id: int) -> Dict[str, Any]:
+    async def create(self, creator_id: int) -> dict[str, Any]:
         """
         Создаёт новую схему процесса с начальной нодой LISTEN.
         """
diff --git a/api/api/services/endpoints/profile.py b/api/api/services/endpoints/profile.py
index a98d45f..8c506d7 100644
--- a/api/api/services/endpoints/profile.py
+++ b/api/api/services/endpoints/profile.py
@@ -1,4 +1,3 @@
-from typing import Optional
 from sqlalchemy.ext.asyncio import AsyncConnection
 
 from api.db.logic.account import get_user_by_id, get_user_by_login, update_user_by_id
@@ -11,7 +10,7 @@ class ProfileService:
     def __init__(self, connection: AsyncConnection):
         self.connection = connection
 
-    async def get_by_login(self, login: str) -> Optional[User]:
+    async def get_by_login(self, login: str) -> User | None:
         """
         Получает пользователя по логину.
         """
diff --git a/api/api/services/endpoints/ps_node.py b/api/api/services/endpoints/ps_node.py
index 260afb7..91edd97 100644
--- a/api/api/services/endpoints/ps_node.py
+++ b/api/api/services/endpoints/ps_node.py
@@ -1,4 +1,4 @@
-from typing import List, Dict, Any
+from typing import Any
 from sqlalchemy.ext.asyncio import AsyncConnection
 
 from api.db.logic.ps_node import (
@@ -18,7 +18,7 @@ class PsNodeService:
     def __init__(self, connection: AsyncConnection):
         self.connection = connection
 
-    async def delete(self, next_node_id: int) -> Dict[str, List[int]]:
+    async def delete(self, next_node_id: int) -> dict[str, list[int]]:
         """
         Удаляет ноды в правильном порядке.
         """
@@ -30,7 +30,7 @@ class PsNodeService:
         }
 
     async def create(
-        self, ps_node_data: Dict[str, Any], links: Dict[str, Any], creator_id: int
+        self, ps_node_data: dict[str, Any], links: dict[str, Any], creator_id: int
     ) -> Ps_NodeFrontResponse:
         """
         Создаёт новую ноду с линком и обновляет настройки схемы процесса.
diff --git a/api/api/utils/node_counter.py b/api/api/utils/node_counter.py
index 63aecba..5d3e72d 100644
--- a/api/api/utils/node_counter.py
+++ b/api/api/utils/node_counter.py
@@ -1,6 +1,5 @@
 import json
 from pathlib import Path
-from typing import Dict
 
 
 # Путь к файлу счётчика (в корне проекта)
@@ -17,7 +16,7 @@ def get_node_counter() -> int:
     """
 
     if not COUNTER_FILE_PATH.exists():
-        initial_data: Dict[str, int] = {"node_counter": 0}
+        initial_data: dict[str, int] = {"node_counter": 0}
         with open(COUNTER_FILE_PATH, "w", encoding="utf-8") as f:
             json.dump(initial_data, f, indent=2, ensure_ascii=False)
         return 0
@@ -45,7 +44,7 @@ def increment_node_counter() -> int:
 
     new_value = current_value + 1
 
-    data: Dict[str, int] = {"node_counter": new_value}
+    data: dict[str, int] = {"node_counter": new_value}
     with open(COUNTER_FILE_PATH, "w", encoding="utf-8") as f:
         json.dump(data, f, indent=2, ensure_ascii=False)