"""Owned child: health-only HTTP server, inherited bound loopback socket."""
import json
import socket
import sys
from http.server import BaseHTTPRequestHandler, HTTPServer

class Handler(BaseHTTPRequestHandler):
    def do_GET(self):
        body = json.dumps({'service': 'athena-deck-demo', 'status': 'ok'}).encode()
        self.send_response(200 if self.path == '/health' else 404)
        self.send_header('Content-Type', 'application/json')
        self.end_headers()
        self.wfile.write(body)

    def log_message(self, *args):
        pass

server = HTTPServer(('127.0.0.1', 0), Handler, bind_and_activate=False)
server.socket.close()
server.socket = socket.socket(fileno=int(sys.argv[1]))
server.server_address = server.socket.getsockname()
server.serve_forever()