Complete procedures with a way back.

Create a durable Node.js chatbot with OpenAI Conversations, typed response streaming, safe cancellation, transcript recovery, duplicate protection, explicit retention and deletion, real failure drills, and a production release gate.

Design agent working memory, persistent conversation state, compaction, and durable facts as explicit governed application systems with tenant isolation, confirmation, provenance, minimization, TTLs, correction, verified deletion, evaluation, cost monitoring, and rollback that cannot resurrect prohibited memories.