Problem: Windows CLI client window closing immediately on error without error messages
Changes:
1. Wrapped main in error handler with pause before exit
2. Replaced .unwrap() with proper .context() error handling
3. Added pause on all error paths
4. Error display with colored output before exit
5. Updated ostp-client.exe checksum
Now on error:
- Error message displayed in red
- Press Enter to exit keeps window open
- User can read full error details
Note: NO GUI - ostp-client.exe is CLI tool
Usage:
- ostp-client.exe connect --server IP:PORT --psk KEY --country US
- ostp-client.exe setup (interactive wizard)
SHA256: 5612ae4503467d6d7b51c067f533706bc65b7b7ac41fccc3efaf3eda2576b92a