[Bug]: Skill Rail should persist session baseline and isolate runtime Skill changes-agent-core-AtomGit

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[Bug]: Skill Rail should persist session baseline and isolate runtime Skill changes #1368

l_x_d创建于 7月20日关闭于 7月23日

7月20日创建

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This bug has not been fixed in the latest version.
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🐞 Detailed Description of the Problem

The current Skill Rail injects the latest Skill catalog directly into the system prompt. When Skills are installed, removed, or modified during a Session, the system prompt changes accordingly. This can invalidate the stable prompt prefix and reduce KV-cache reuse.
In addition, Skill changes are not clearly separated from the Session’s initial Skill state. A newly installed Skill may incorrectly become part of the default system prompt immediately, while removed Skills may not be reported to the Agent.