Refactor lidar library: rename olei_config to lidar_config, add nanoscan example and shared byte helpers

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

CMakeLists.txt

@@ -11,12 +11,10 @@ find_package(Threads REQUIRED)
 
 option(BUILD_SHARED_LIBS "Build shared (.so) libraries instead of static" ON)
 
-# ── lidarlib: OLEI (UDP) + SICK (TCP) drivers, the unified make_lidar()
-#    factory, and config.json load/save. No web UI. ──
 set(LIDARLIB_SOURCES
     src/olei_lidar.cpp
     src/sick_lidar.cpp
-    src/olei_config.cpp
+    src/lidar_config.cpp
 )
 
 add_library(lidarlib ${LIDARLIB_SOURCES})
@@ -42,13 +40,14 @@ if(LIDARLIB_BUILD_EXAMPLES)
   add_executable(sick_example examples/sick_example.cpp)
   target_link_libraries(sick_example PRIVATE lidarlib)
 
-  # Headless skeleton app: load config.json -> make_lidar() each -> print scans.
-  # Replace its print loop with your own GUI; this is the integration template.
+  add_executable(nanoscan_example examples/nanoscan_example.cpp)
+  target_link_libraries(nanoscan_example PRIVATE lidarlib)
+
   add_executable(lidar_app examples/lidar_app.cpp)
   target_link_libraries(lidar_app PRIVATE lidarlib)
 endif()
 
-# ── install + find_package() support ──
+# install + find_package() support
 include(GNUInstallDirs)
 include(CMakePackageConfigHelpers)