Agent Memory

Persistent cross-session agent memory arrived in 2026 and removed the last reason humans stayed on the line. A labor-economics analysis of contact-center displacement.

A hands-on TypeScript tutorial for building a durable agent memory layer: vector recall, hybrid recency-and-salience ranking, scoped retrieval, rolling summarization, and eviction policies — with tests.

A bigger context window is not a memory system. How AI agents actually remember in 2026 — working, episodic, and semantic memory, retrieval, and the write path teams overlook.