feat: явно указаны зависимости к Protocol для перехода к имплементации

src/usecase/__init__.py

@@ -296,7 +296,7 @@ class FetchChannelResponse(typing.Protocol):
     title: str
 
 
-class ParserClient(typing.Protocol):
+class Parser(typing.Protocol):
     async def fetch_telegram_channel(self, username: str) -> FetchChannelResponse | None: ...
 
 
@@ -305,7 +305,7 @@ class Usecase:
     database: Database
     telegram_bot: TelegramBotWriter
     jwt_encoder: JWTEncoder
-    parser_client: ParserClient
+    parser: Parser
 
     async def ensure_workspace_access(self, workspace_id: UUID, user_id: UUID) -> domain.Workspace:
         workspace = await self.database.get_workspace_for_user(workspace_id, user_id)