Cross-Session Persistence: Memory and Task Handoff

🚧 This section is under development.

Task decomposition means a project spans multiple sessions. Each time a session ends, the context window is cleared, and everything the Agent accumulated during that session resets to zero. When the next session starts, it is once again a new intern who knows nothing. If every session requires ten-plus minutes to re-inject background context, the efficiency gains from decomposition are consumed by handoff costs.

The persistence mechanism operates at two levels. Role-level persistence is implemented through Skill cards. It answers "who am I and what can I do": the project's tech stack, architecture preferences, coding conventions, and common toolchain. This information remains constant across all sessions. Task-level persistence is implemented through handoff documents. It answers "where did the last session leave off, what decisions were made, and what problems were encountered": current progress, completed portions, pending items, and design choices along with their rationale. These two levels work together so the next session can continue from where the previous one stopped, rather than starting from scratch.


Harness Engineering Playbook · AgentsZone Community

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