I Spent 48 Hours Debugging Multi-Turn LLM Memory Loss—Then Playwright + Pytest Locked It Down

At 2 a.m., I was jolted awake by an ops call: “The smart customer service bot went nuts. A user asked, ‘What’s the order number I just told you?’, and it replied, ‘You haven’t given me an order number yet.’” I snapped wide awake — we had spent two months refining the memory storage module and all unit tests passed, so how did it lose its memory in production? Over the next 48 hours, I went from questioning my sanity to a permanent fix. If you’re building multi-turn conversations with LLMs, this...