The 10 Most Common Cursor Rules Mistakes and How to Fix Them You wrote the rule. You saved the file. You asked Cursor for code and it ignored you — gave you a class component when the rule says "use hooks," suggested moment when the rule says "use date-fns," wrote tests in unittest when the rule says "use pytest."

The rule isn't broken. The way you wrote it — or where you saved it, or how you sc