#!/usr/bin/env bash
# Build the activity log — the list of TOOL CALLS the agent made — into /tmp/activity_log.md.
# Only dev agents (mode=pr) get an activity-log comment — comment-only roles (pm/qa) do no tool calls.
# NOTE: we deliberately DO NOT include the agent's prose text parts. That final "here's what I did"
# text is just a restatement of the PR description (already published as the PR body), not a tool
# call — so it was noise in a section titled "tool calls". The log is the record of ACTIONS taken.
#
# Required env (provided by the workflow step): MODE
set -u

if [ "$MODE" != "pr" ]; then
  echo "skipping activity log for comment-mode agent"; : > /tmp/activity_log.md; exit 0
fi
jq -r '
  def trunc(n): if length > n then (.[0:n] + "…") else . end;
  select(.type=="tool_use") |
    (.part.tool // "?") as $t |
    ((.part.state.title // (.part.state.input | tojson | trunc(160)) // "")) as $title |
    "🔧 **" + $t + "**: `" + ($title | trunc(240)) + "`"
' /tmp/events.jsonl > /tmp/activity_log.md 2>/dev/null || true
n=$(wc -l < /tmp/activity_log.md 2>/dev/null || echo 0)
echo "activity log: $n tool calls"
[ "$n" -eq 0 ] && : > /tmp/activity_log.md
head -3 /tmp/activity_log.md