Hadith On Thirty Dajjals And Mirza Ghulam Ahmed
If I recall correctly, Ghamidi sahab has not addressed this particular narration, however, we know that there are many people who have made similar claims about prophethood. In the following video Ghamidi sahab has addressed Mirza Ghulam Ahmed’s claim: https://youtu.be/BxFaTTcTp6k
To me personally, he probably had mental health issues and was delusional (messiah complex perhaps).