feat: add and handle diff_opts.on_unsaved_changes option#125

derethil wants to merge 5 commits intocoder:maincoder/claudecode.nvim:mainfrom

derethil:derethil/feat_add_discard_unsaved_changes_optionderethil/claudecode.nvim:derethil/feat_add_discard_unsaved_changes_optionCopy head branch name to clipboard