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show-system-prompt

Run /show-system-prompt to print the full system prompt to the terminal. Shows everything the LLM receives as context — base instructions, extension injections, AGENTS.md content, skill content, output style, and any hook-injected text.

Why it matters: When the agent behaves unexpectedly, the system prompt is the first place to look. This command lets extension developers verify their context injection works and helps debug conflicts between extensions that modify the prompt.