Short-term vs. Long-term[3]

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Scope LangGraph 实现
Short-term memory single conversation checkpoints
Long-term memory 跨多个conversation InMemoryStore [内存] PostgresStore [持久化]

Cross-Thread Memory[Long-term**]**

  1. Cross-Thread Persistence
  2. Flexible Namespacing
  3. JSON Document Storage
  4. Content-Based Filtering

code

Long-term Memory types[2]

Memory Type What is Stored Human Example Agent Example
Semantic Facts Things I learned in school Facts about a user
Episodic Experiences Things I did Past agent actions
Procedural Instructions Instincts or motor skills Agent system prompt

总结[1]