accept and infer for people forgetting to use it before pressing enter

accept-and-infer-ext.zsh

# if there is currently something typed, accept-and-infer-next-history like usual
# if the input line is empty, recall the last command and infer based on that
# needs deduplication of history disabled! (unsetopt HIST_SAVE_NO_DUPS HIST_IGNORE_ALL_DUPS)
local function accept-or-recall-then-infer-history() {
	if [[ -z $PREBUFFER$BUFFER ]]; then
		zle up-line-or-history
		zle infer-next-history
	else
		zle accept-and-infer-next-history -- "$@"
	fi
}
zle -N  accept-or-recall-and-infer-history

bindkey "\e^M" accept-or-recall-and-infer-history