feat: проверка существования канала при привязке

src/main.py

@@ -8,6 +8,7 @@ from shared import logger
 from shared.worker_base import WorkerConfig
 from src import deps
 from src.adapter.jwt import JWT
+from src.adapter.parser import ParserClient
 from src.adapter.postgres import Postgres
 from src.adapter.telegram_bot import TelegramBot
 from src.config import settings
@@ -36,11 +37,13 @@ logger.init(settings.logger)
 postgres = Postgres(settings.db)
 telegram = TelegramBot(settings.telegram, telegram_callback_router)
 jwt_encoder = JWT(settings.jwt)
+parser_client = ParserClient(base_url=settings.parser.URL)
 
 usecase = Usecase(
     database=postgres,
     telegram_bot=telegram,
     jwt_encoder=jwt_encoder,
+    parser_client=parser_client,
 )
 deps.set_usecase(usecase)