refactor: add ConfigError and Lolz error handling

config.py

@@ -7,6 +7,11 @@ from dotenv import load_dotenv
 logger = logging.getLogger(__name__)
 
 
+class ConfigError(Exception):
+    """Ошибка валидации конфигурации"""
+    pass
+
+
 class Config:
     def __init__(self):
         self._config_data = self._load()
@@ -53,18 +58,25 @@ class Config:
 
             # Notification bot (aiogram)
             bot_token = os.getenv(key="BOT_TOKEN", default=None)
-            admin_id = (
-                os.getenv(key="ADMIN_ID", default=None)
-                if not os.getenv(key="ADMIN_ID", default=None)
-                else int(os.getenv(key="ADMIN_ID", default=None))
-            )
+            admin_id_str = os.getenv(key="ADMIN_ID", default=None)
+            admin_id = int(admin_id_str) if admin_id_str else None
             notify_admin = (
                 os.getenv(key="NOTIFY_ADMIN", default="true")
             ).lower() == "true"
 
-            # Lolz
+            # Lolz - required fields
             lolz_token = os.getenv(key="LOLZ_TOKEN", default=None)
-            lolz_thread_id = int(os.getenv(key="LOLZ_THREAD_ID", default=None))
+            if not lolz_token:
+                raise ConfigError("LOLZ_TOKEN обязателен, но не установлен")
+
+            lolz_thread_id_str = os.getenv(key="LOLZ_THREAD_ID", default=None)
+            if not lolz_thread_id_str:
+                raise ConfigError("LOLZ_THREAD_ID обязателен, но не установлен")
+
+            try:
+                lolz_thread_id = int(lolz_thread_id_str)
+            except (ValueError, TypeError) as e:
+                raise ConfigError(f"LOLZ_THREAD_ID должен быть целым числом: {lolz_thread_id_str}") from e
 
             # Stars
             stars_count = int(os.getenv(key="STARS_COUNT", default=1))
@@ -118,8 +130,14 @@ class Config:
                 "bump_check_interval": bump_check_interval,
             }
 
-        except:
+        except ConfigError:
             raise
+        except (ValueError, TypeError) as e:
+            logger.error(f"Invalid configuration value: {e}")
+            raise ConfigError(f"Invalid configuration value: {e}") from e
+        except Exception as e:
+            logger.error(f"Unexpected error loading configuration: {e}")
+            raise ConfigError(f"Failed to load configuration: {e}") from e
 
     def __getattr__(self, name: str) -> Any:
         return self._config_data.get(