## Agent Design Based on Forgetting Mechanism: Determining What to Forget by Weighing Dialogues ## Introduction When exploring complex problems, traditional linear dialogue architectures introduce two fundamental bottlenecks: - Context Contamination and Attention Dispersion (Lost in the Middle): Interleaving exploratory side quests, syntax corrections, and dead ends directly into the main thread rapidly exhausts the finite context window, diluting essential signals. - Lack of Persistent Reasoning Depth: Conventional RAG relies strictly on semantic similarity across isolated text snippets,…