Function parse_common_cli_args 

pub fn parse_common_cli_args() -> CliOverrides

Parse common CLI args from std::env::args() into CliOverrides.

Handles all flags shared between E2E tests and BDD tests, plus BDD-specific flags (--tags, --dry-run, --strict, --fail-fast, --step-timeout, --order, --language). BDD flags are silently ignored when running non-BDD test runs.