- Add `-fprofile-update=atomic` flag to both GCC and Clang compiler configurations for thread-safe coverage data updates - Change `--all` argument in clean command to default to True and add `-a` short option for consistency with common CLI patterns
- Add `-fprofile-update=atomic` flag to both GCC and Clang compiler configurations for thread-safe coverage data updates - Change `--all` argument in clean command to default to True and add `-a` short option for consistency with common CLI patterns