A character reads well in the first three messages. The test is the fortieth.
Post the persona you wrote, the platform you run it on, and what it does once the conversation has drifted. Does it remember what you told it? Does it stay in register, or slide back into the same three habits every platform shares?
Memory is one of the 21 capabilities we check, and it is among the hardest to verify from outside an account. What you see in an hour of use beats what we can measure in a session.