fix: auto-load YAML config on CLI startup

CLI now reads ~/.config/redmine-reporter/config.yml automatically.
Previously Config.load_yaml() existed but was never called.

redmine_reporter/cli.py

@@ -211,6 +211,10 @@ def main(argv: Optional[List[str]] = None) -> int:
     Config.set_redmine_url(args.url)
     Config.set_redmine_api_key(args.api_key)
 
+    # Автозагрузка YAML-конфига
+    yaml_path = args.config_path
+    Config.load_yaml(yaml_path)
+
     # Настройка уровня логирования
     if args.debug:
         logging.basicConfig(level=logging.DEBUG, format="%(levelname)s: %(message)s")