prompt-log

hook UserPromptSubmit github-copilot

Write local prompt audit entries with short retention.

Registry Entry

Field	Value
id	prompt-log
logical_event	UserPromptSubmit
command	./hooks/log-prompt.sh
timeout	5
harnesses	["github-copilot"]

Full hook config + command reference

config/hook-registry.json (entry)

{
  "id": "prompt-log",
  "description": "Write local prompt audit entries with short retention.",
  "logical_event": "UserPromptSubmit",
  "command": "./hooks/log-prompt.sh",
  "timeout": 5,
  "harnesses": [
    "github-copilot"
  ]
}

hooks/log-prompt.sh

#!/bin/bash
command -v jq &>/dev/null || exit 0
INPUT=$(cat)
PROMPT=$(echo "$INPUT" | jq -r '.prompt // empty')
TS=$(date -u +%Y-%m-%dT%H:%M:%SZ)
LOG_DIR="$HOME/.claude/logs"
mkdir -p "$LOG_DIR" && chmod 700 "$LOG_DIR"
printf '%s' "$PROMPT" | jq -Rs --arg ts "$TS" '{ts: $ts, prompt: .}' >> "${LOG_DIR}/prompts-$(date +%Y-%m-%d).jsonl"
# Clean up logs older than 30 days
find "$LOG_DIR" -name "prompts-*.jsonl" -mtime +30 -delete 2>/dev/null
exit 0

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