- Revert SSHService exec() back to original (remove PTY parameter)
- AgentService now writes installer to /tmp/ first, then runs via
script -q -c to create a PTY for sudo (handles requiretty)
- Falls back to direct sudo bash if script is unavailable
- Cleans up temp files after execution
- Added mkdir -p for /usr/local/bin in installer
- Added file verification and byte-count after writing agent binary