Expired60% confidenceFactExact time
Every time a user submits a request in Claude Code, the system assembles four layers of information: Tool Schemas, System Prompts, Environment Information, and a Messages Array.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Deep Dive into How Claude Code Works: Prompt Assembly, Permission Control, and the Skills Mechanism
bilibili63号炼金工坊5/28/2026
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