- Add directory existence check in ensure_binary() before attempting make
- Provide clear error message when build directory doesn't exist
- Add troubleshooting section to README.md explaining common hcatPath mistakes
- Add tests for invalid hcatPath scenario and installed tool execution
- Helps users distinguish between hashcat path and hate_crack path
Fixes issue where users set hcatPath to hashcat installation directory
instead of hate_crack repository directory, causing confusing errors.
