How Hindsight Lets Support Chats Carry Customer Memory Across Sessions

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A developer built RecallCare, a customer-support chat app, to keep customer knowledge separate from individual conversation transcripts. The system stores chat history per thread, while long-term facts such as devices and past resolutions are kept in Hindsight and tied to each customer. When a customer sends a message, the backend recalls relevant memories alongside a bounded set of recent messages before generating a reply. Each customer receives a stable, hashed bank identifier derived from their ID, so new conversations can access earlier history without loading full transcripts. The author argues this separation improves retrieval, prompting, and the overall usefulness of the support assistant.

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