Method update

src/fl/net/http/fetch.cpp.hpp:460–480

}

void FetchManager::update() {
    // Update all active promises first
    for (auto& promise : mActivePromises) {
        if (promise.valid()) {
            promise.update();
        }
    }
    
    // Then clean up completed/invalid promises in a separate pass
    cleanup_completed_promises();
    
    // Auto-unregister from async system when no more promises
    if (mActivePromises.empty()) {
        task::Executor::instance().unregister_runner(this);
        
        if (mEngineListener) {
            EngineEvents::removeListener(mEngineListener.get());
            mEngineListener.reset();
        }
    }
}

bool FetchManager::has_active_tasks() const {
    return !mActivePromises.empty();