The die-hard Trump supporters are too few in number to do anything
That’s not how civil war happens. What would happen is that elections results would be put in question (for example some states would challenge the results and there would be disagreement among legal experts as to what to do next), both candidates would start issuing orders and different parts of the military would start obeying different candidates. You weren’t that far away from this last time. Fortunately for you the military chain of command wasn’t compromised but the government was absolutely ready to abandon the democratic process and split. All that was needed was for Pence to commit to the plan.