#!/usr/bin/env bash
# Polaris MCP server — runs as a child process of Claude Code.
#
# Restart loop: keeping this wrapper alive holds Claude Code's stdio pipes
# open so a restart (exit code 42, triggered by polaris_update) is seamless —
# Claude Code never sees a disconnect or needs to manually reconnect.
SCRIPT="$(realpath "$0" 2>/dev/null || readlink -f "$0" 2>/dev/null || echo "$0")"
DIR="$(cd "$(dirname "$SCRIPT")/.." && pwd)"

if command -v bun &>/dev/null; then
  CMD=(bun)
elif command -v bunx &>/dev/null; then
  CMD=(bunx bun)
else
  CMD=(npx --yes bun)
fi

while true; do
  "${CMD[@]}" "$DIR/src/client/client.ts" "$@"
  EXIT=$?
  # Exit code 42 = restart requested (e.g. after polaris_update installed new code).
  # Any other exit code is passed through and terminates the wrapper.
  [ "$EXIT" -ne 42 ] && exit "$EXIT"
  # Brief pause to let the write pipe flush before the new process takes over.
  sleep 0.3
done