LangGraph 0.6 Memory Store Patterns 2026: Ship Stateful Bots
Master the LangGraph memory store in 2026: build stateful bots that remember users across sessions with proven checkpointer, namespace, and retrieval patterns.
Chapter 1: Why Stateless Bots Die in Production: The 2026 Memory Landscape Every LLM app starts the same way. You wire a prompt to a model, stream tokens back to a chat window, and the demo is magic. Then it ships. Within a week, support tickets arrive that all say roughly the same thing: "It forgot." It forgot the user's name. It forgot the project they described three messages ago. It forgot that yesterday it already recommended the enterprise plan and got told no. The model didn't regress. Your architecture never had memory in the first place. This chapter is...