Hey all — sharing something I built for my own agents and finally cleaned up enough to put out there. I’d genuinely value feedback from anyone running stateful LangGraph in production. The problem that started it. My agent persists user threads with a checkpointer: great. Then a user invokes their right to be forgotten (GDPR/CCPA), I call delete_thread(…), the rows vanish, and… I realized I had no way to prove it happened. If compliance or an auditor asks “show me user X’s thread was actually d...