Lia, a Genius or lucky?

After the ♠5 lead, you have 12 tricks. I tried to establish a 13th trick in hearts, but that failed, just making.

But I was playing against Lia, and the robot made an overtrick. I thought for some time on how to do it. Actually, the play is a bit involved. The solution is to cash three tricks in hearts, two in spades, and another two in diamonds, overtaking the ♦J with the ♦K. Diamonds split 3-3, and you finally force East to discard a club or a heart in the situation below when you lead the ♠A.

Did Lia play this way? No, and I think you can do that only with double-dummy analysis. What actually happened was that Lia got a club lead which East ducks to the 10, yielding the 13th trick.

Currently, this kind of bad luck adds to my incompetence and sleepiness to prevent me to advance to the Ace level.