#!/usr/bin/env bash
# Begin one task of an inline plan execution in a single call: extract the
# task's brief (via subagent-driven-development's task-brief, so both skills
# share one workspace) and record BASE, the commit the task's review range is
# cut from. One tool call instead of two, because every call in an inline
# session is a turn that re-reads the whole context.
#
# Usage: task-start PLAN_FILE TASK_NUMBER
# Prints:
#   brief: <path to the task's brief file>
#   base:  <full SHA of HEAD>
set -euo pipefail

if [ $# -ne 2 ]; then
  echo "usage: task-start PLAN_FILE TASK_NUMBER" >&2
  exit 2
fi

plan=$1
n=$2
sdd="$(cd "$(dirname "$0")/../../subagent-driven-development/scripts" && pwd)"

out=$("$sdd/task-brief" "$plan" "$n")
brief=$(printf '%s\n' "$out" | sed -n 's/^wrote \(.*\): [0-9][0-9]* lines$/\1/p')
[ -n "$brief" ] || { echo "task-brief did not report a path: $out" >&2; exit 1; }

echo "brief: $brief"
echo "base: $(git rev-parse HEAD)"