"Fix and refine app initialization flow

- Update core application startup paths and cleanup logic
- Adjust renderer & input subsystem integration for stability
- Address recent staging source updates with robust error handling"

CMakeLists.txt

@@ -488,6 +488,7 @@ set(WOWEE_SOURCES
     src/core/application.cpp
     src/core/entity_spawner.cpp
     src/core/appearance_composer.cpp
+    src/core/world_loader.cpp
     src/core/window.cpp
     src/core/input.cpp
     src/core/logger.cpp