各位是如何解决这个问题的？有更好的办法么？
在claude code cli，或者其他cli编码工具中引用一段代码的时候，需要在输入框中输入 @file 12-123行。然后再写提示词指令…这就要在cli编码工具和编辑器之间来回切换，先切换到编辑器记住代码行号范围，再切换到cli编码工具写行号。比较麻烦。如果能在编辑器中选中一段代码，然后直接把选中的代码段转换成 @file 12-123行这样的描述，就可以一次性粘贴到cli编码工具的输入框。
(defun ai-ref-copy-region ()
"Copy the selected code reference to clipboard in format: @project/file start-end"
(interactive)
(if (use-region-p)
(let* ((start (region-beginning))
(end (region-end))
(file-path (buffer-file-name))
;; Try to find project root using projectile or vc
(project-root (or (and (fboundp 'projectile-project-root)
(projectile-project-root))
(and (fboundp 'vc-root-dir)
(vc-root-dir))))
(path-to-use (if project-root
(let ((root-parent (file-name-directory (directory-file-name project-root))))
(file-relative-name file-path root-parent))
file-path))
(start-line (line-number-at-pos start))
(end-line (line-number-at-pos end))
(ref-string (format "@%s %d-%d" path-to-use start-line end-line)))
(kill-new ref-string)
(message "Copied reference: %s" ref-string))
(message "No region selected")))
(define-key global-map (kbd "C-x @") 'ai-ref-copy-region)