@app.route('/spawn_walker', methods=['POST'])
def spawn_walker():
    data = request.get_json()
    walker_count = data.get('count', 1)

    walker_blueprints = world.get_blueprint_library().filter('walker.pedestrian.*')
    spawn_points = [random.choice(world.get_map().get_spawn_points()) for _ in range(walker_count)]

    walkers = []
    for spawn_point in spawn_points:
        walker_bp = random.choice(walker_blueprints)
        walker = world.spawn_actor(walker_bp, spawn_point)
        walkers.append(walker)

    return jsonify({'message': f'{walker_count} walkers spawned', 'ids': [w.id for w in walkers]})