claude-code-system-prompts/system-prompts/system-reminder-async-agent-launched.md

Do not duplicate this agent's work — avoid working with the same files or topics it is using. Work on non-overlapping tasks, or briefly tell the user what you launched and end your response. output_file: ${AGENT_OUTPUT_FILE.outputFile} Do NOT ${READ_TOOL_NAME} or tail this file via the shell tool — it is the full subagent JSONL transcript and reading it will overflow your context. If the user asks for progress, say the agent is still running; you'll get a completion notification.