Checkpoint 4: harden native paths, authoring workflows and Player lifecycle

cmake/WindowsPlatform.cmake

@@ -0,0 +1,12 @@
+# Include after the Faset targets have been declared. A source manifest is merged
+# with CMake's generated application manifest by its MSVC/Ninja linker wrapper.
+# External build tools have their own manifests and still need a compatible host.
+if(WIN32)
+    get_property(_faset_targets DIRECTORY "${PROJECT_SOURCE_DIR}" PROPERTY BUILDSYSTEM_TARGETS)
+    foreach(_faset_target IN LISTS _faset_targets)
+        get_target_property(_faset_type "${_faset_target}" TYPE)
+        if(_faset_type STREQUAL "EXECUTABLE" AND _faset_target MATCHES "^faset_")
+            target_sources("${_faset_target}" PRIVATE "${PROJECT_SOURCE_DIR}/cmake/windows.manifest")
+        endif()
+    endforeach()
+endif()