stop-failure.sh

#!/usr/bin/env bash
# StopFailure hook handler: logs API failures and notifies user for critical ones.
# Invoked with a single argument: the severity class (critical|rate_limit|high).

set -euo pipefail

severity="${1:-high}"
input_json="$(cat)"
error="$(printf '%s' "$input_json" | jq -r '.error // "unknown"')"
timestamp="$(date +'%Y-%m-%d %H:%M:%S')"
cwd="$(pwd)"
branch="$(git branch --show-current 2>/dev/null || echo unknown)"
basename_cwd="$(basename "$cwd")"

mkdir -p ~/.claude/logs

case "$severity" in
  rate_limit)
    echo "[$timestamp] RATE_LIMIT in $cwd branch=$branch" >> ~/.claude/logs/failures.log
    ;;
  critical)
    echo "[$timestamp] STOP_FAILURE($error) in $cwd branch=$branch" >> ~/.claude/logs/failures.log
    ~/.claude/scripts/notify.sh "$error in $basename_cwd — action required" \
      -t "Claude Code" -p critical --tags rotating_light 2>/dev/null || true
    ;;
  high)
    echo "[$timestamp] STOP_FAILURE($error) in $cwd branch=$branch" >> ~/.claude/logs/failures.log
    ~/.claude/scripts/notify.sh "API failure ($error) in $basename_cwd" \
      -t "Claude Code" -p high --tags rotating_light 2>/dev/null || true
    ;;
esac