Function try_copy_aur_ssh_public_key_from_status_lines 

pub fn try_copy_aur_ssh_public_key_from_status_lines(
    status_lines: &[String],
) -> Option<Result<(), String>>

What: Copy the first OpenSSH public key line from setup status lines to the clipboard.

Inputs:

• status_lines: Modal status lines that may include a line starting with ssh-.

Output:

• None when no public key line is present.
• Some(Ok(())) when wl-copy or xclip accepted the key text.
• Some(Err(message)) when a key line exists but clipboard copy failed.

Details:

• Delegates to crate::util::clipboard::copy_plain_text_to_clipboard (no PKGBUILD suffix).