core: runtime 接管用户配置模块句柄

tests/core/CMakeLists.txt

@@ -4,6 +4,9 @@ add_executable(${TEST_APP_NAME}
     ${CMAKE_CURRENT_SOURCE_DIR}/main.c
     ${SOURCE_DIR}/base/log.c
     ${SOURCE_DIR}/backend/output_utils.c
+    ${SOURCE_DIR}/config/defaults.c
+    ${SOURCE_DIR}/config/loader.c
+    ${SOURCE_DIR}/config/runtime_config.c
     ${SOURCE_DIR}/backend/x11/backend.c
     ${SOURCE_DIR}/core/layout.c
     ${SOURCE_DIR}/core/runtime.c
@@ -21,6 +24,7 @@ target_include_directories(${TEST_APP_NAME}
 
 target_link_libraries(${TEST_APP_NAME}
     PRIVATE m
+    PRIVATE ${CMAKE_DL_LIBS}
     PRIVATE ${deps_LIBRARIES}
 )