feat: impl lifecycle with tests

include/engine/core/engine.hpp

@@ -8,41 +8,43 @@
 #include <memory>
 #include <vector>
 
-/// Magic Srolls engine core
+/// Ядро движка Magic Srolls
 class MscEngine : public IMscEngineModuleAPI
 {
 private:
-  /// @brief Loaded modules list
+  /// @brief Загруженные модули
   std::vector<std::shared_ptr<MscEngineModule>> _modules;
 
-  /// @brief Common event bus
+  /// @brief Общая событийная шина движка
   MscEventBus _bus;
 
-  /// @brief Is engine running rn
+  /// @brief Флаг работы движка
   bool _isRunning = false;
 
-  /// @brief Last update time
+  /// @brief Время последнего тика
   clock::time_point _lastUpdate;
 
 public:
-  /// Actual version
+  /// @brief Номер ревизии
   static uint16_t REV;
 
   MscEngine(std::vector<std::shared_ptr<MscEngineModule>> modules);
+  ~MscEngine() = default;
 
-  /// @brief Start engine
+  /// @brief Запустить движок
   void start();
 
-  /// @brief Stop engine
+  /// @brief Остановить движок
   void stop();
 
   MscEventBus &getBus() override;
   std::unordered_map<std::string, std::uint16_t>
   getLoadedModules() const override;
-  MscEngineModule &getModule(const std::string &name) override;
+  std::shared_ptr<MscEngineModule> &getModule(const std::string &name) override;
   std::unique_ptr<MscEngineDBProvider> createDBProvider() override;
   std::unique_ptr<MscEngineDBProvider>
   createDBProvider(const std::string &filepath) override;
+  void requestStop() override;
 };
 
 #endif // __MCS_ENGINE_HPP__