feat: add reminder scheduling and sound controls

CMakeLists.txt

@@ -10,7 +10,7 @@ set(CMAKE_AUTOMOC OFF)
 set(CMAKE_AUTORCC ON)
 set(CMAKE_AUTOUIC ON)
 
-find_package(Qt6 REQUIRED COMPONENTS Widgets Network)
+find_package(Qt6 REQUIRED COMPONENTS Widgets Network Multimedia)
 
 qt_add_executable(QtDesktopPet
     main.cpp
@@ -50,6 +50,22 @@ qt_add_executable(QtDesktopPet
     src/config/ConfigManager.cpp
     src/config/SecretStore.h
     src/config/SecretStore.cpp
+    src/notification/NotificationDispatcher.h
+    src/notification/NotificationDispatcher.cpp
+    src/reminder/ReminderCommandHandler.h
+    src/reminder/ReminderCommandHandler.cpp
+    src/reminder/ReminderManager.h
+    src/reminder/ReminderManager.cpp
+    src/reminder/ReminderParser.h
+    src/reminder/ReminderParser.cpp
+    src/reminder/ReminderSoundPlayer.h
+    src/reminder/ReminderSoundPlayer.cpp
+    src/reminder/ReminderSoundRepository.h
+    src/reminder/ReminderSoundRepository.cpp
+    src/reminder/ReminderStore.h
+    src/reminder/ReminderStore.cpp
+    src/reminder/ReminderTypes.h
+    src/reminder/ReminderTypes.cpp
     src/state/PetStateMachine.h
     src/state/PetStateMachine.cpp
     src/tray/TrayController.h
@@ -79,6 +95,7 @@ target_compile_definitions(QtDesktopPet
 
 target_link_libraries(QtDesktopPet
     PRIVATE
+        Qt6::Multimedia
         Qt6::Network
         Qt6::Widgets
 )