Function validate_sudo_password 

pub fn validate_sudo_password(password: &str) -> Result<bool, String>

What: Validate a privilege tool password without executing any command.

Inputs:

• password: Password to validate.

Output:

• Ok(true) if password is valid, Ok(false) if invalid, or Err(String) on error.

Errors

• Returns Err if the validation command cannot be executed (e.g., tool not available).
• Returns Err if the active tool does not support password validation (e.g., doas).

Details:

• Delegates to crate::logic::privilege::validate_password.
• Only works for tools that support stdin password piping (currently sudo).
• For doas, returns an error since doas cannot validate passwords via stdin.