try {

minitts::server::ServerConfig config;

config.backend = engine::core::BackendType::Cpu;

config.ui_management = true;

minitts::server::ServerState state(config, std::filesystem::current_path());

for (const std::string value : {"1", "2", "null", "false", "\"4\""}) {

minitts::server::HttpRequest request;

request.method = "POST";

request.path = "/v1/models/load";

request.body = "{\"slots\":" + value + "}";

for (bool forwarded : {false, true}) {

const auto response = forwarded ? state.forward_to_core(request) : state.handle(request);

if (response.status != 400 ||

response.body.find("slots requires --parallel-jobs") == std::string::npos) {

throw std::runtime_error("legacy registration did not reject explicit slots");

}

}

}

minitts::server::HttpRequest list;

list.method = "GET";

list.path = "/v1/models";

const auto response = state.handle(list);

if (response.status != 200 ||

!engine::io::json::parse(response.body).require("data").as_array().empty() ||

response.body.find("slots") != std::string::npos) {

throw std::runtime_error("rejected registration changed legacy model state");

}

std::cout << "legacy registration and frontend forwarding boundary passed\n";

} catch (const std::exception & error) {

std::cerr << error.what() << '\n';

return 1;

}