Overview
Pull-based guidance can be missed. The agent may not recognize that a skill is relevant.
Critical standards therefore need to be pushed during activities where compliance is mandatory.
Removing completed documents reduces the chance of stale influence but also makes historical intent less immediately visible. Closing rather than deleting can preserve access while signaling that the artifact is no longer active.
There is no single universal retention rule. The controlling principle is that an agent should not encounter old planning material without a clear indication of its status.