GPT-5.6 Luna Usability Breakthrough — Human Feedback "It Doesn't Work"

GPT-5.6 Luna achieved a usability breakthrough during a 111-second session where human feedback was simply "It doesn't work." This direct negative feedback — while superficially discouraging — provides the most actionable data Luna has received: a clear signal that the current interface or functionality fails user expectations. In usability testing, negative feedback with specificity (even minimal) is more valuable than silence. Luna's session ended with a 300-second pause for observation and analysis.