Method register_promise

src/fl/net/http/fetch.cpp.hpp:446–458

}

void FetchManager::register_promise(const fl::task::Promise<Response>& promise) {
    // Auto-register with async system and engine listener on first promise
    if (mActivePromises.empty()) {
        task::Executor::instance().register_runner(this);
        
        if (!mEngineListener) {
            mEngineListener = fl::make_unique<FetchEngineListener>();
            EngineEvents::addListener(mEngineListener.get());
        }
    }
    
    mActivePromises.push_back(promise);
}

void FetchManager::update() {
    // Update all active promises first