Is the phrase "If you lie about me, you will be divorced" considered a conditional oath, given that the speaker immediately corrected it to "If you lie about me, your divorce will be involved," and that the intended lie is in the future and has not yet occurred?

It appears that nothing is binding on the questioner with either phrase, because the phrase "If you lie to me, you will be divorced" indicates a promise of divorce if the condition is met, unless there is an intention for it to take effect immediately upon the fulfillment of the condition. As for the second phrase, "If you lie to me, your divorce will be in it," it indicates the suspension of the promise of divorce upon the wife's lying, and nothing is binding in a promise of divorce.