feat(mobile): Expo → RN CLI 전환 + Android 빌드 성공

RN 0.85 + React 19 기반 apps/mobile-rn 프로젝트 생성.
6개 화면 이식 (Login, Dash, History, Record, Talk, Settings).
@react-navigation/native + bottom-tabs 네비게이션 구성.
Windows NDK CMake libc++_shared 링크 버그 워크아라운드 포함.
Galaxy Fold (SM_F956N) 무선 디버깅 APK 설치 확인.

apps/mobile-rn/android/app/src/main/jni/CMakeLists.txt

@@ -0,0 +1,17 @@
+cmake_minimum_required(VERSION 3.13)
+project(appmodules)
+
+# Include the default RN application setup
+include(${REACT_ANDROID_DIR}/cmake-utils/ReactNative-application.cmake)
+
+# Fix: explicitly link c++_shared to all codegen targets (Windows NDK issue)
+if(DEFINED AUTOLINKED_LIBRARIES)
+    foreach(lib ${AUTOLINKED_LIBRARIES})
+        if(TARGET ${lib})
+            target_link_libraries(${lib} c++_shared)
+        endif()
+    endforeach()
+endif()
+
+# Also link c++_shared to the main app module
+target_link_libraries(${CMAKE_PROJECT_NAME} c++_shared)

apps/mobile-rn/android/app/src/main/jni/OnLoad.cpp

@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+// This C++ file is part of the default configuration used by apps and is placed
+// inside react-native to encapsulate it from user space (so you won't need to
+// touch C++/Cmake code at all on Android).
+//
+// If you wish to customize it (because you want to manually link a C++ library
+// or pass a custom compilation flag) you can:
+//
+// 1. Copy this CMake file inside the `android/app/src/main/jni` folder of your
+// project
+// 2. Copy the OnLoad.cpp (in this same folder) file inside the same folder as
+// above.
+// 3. Extend your `android/app/build.gradle` as follows
+//
+// android {
+//    // Other config here...
+//    externalNativeBuild {
+//        cmake {
+//            path "src/main/jni/CMakeLists.txt"
+//        }
+//    }
+// }
+
+#include <DefaultComponentsRegistry.h>
+#include <DefaultTurboModuleManagerDelegate.h>
+#include <FBReactNativeSpec.h>
+#include <autolinking.h>
+#include <fbjni/fbjni.h>
+#include <react/renderer/componentregistry/ComponentDescriptorProviderRegistry.h>
+
+#ifdef REACT_NATIVE_APP_CODEGEN_HEADER
+#include REACT_NATIVE_APP_CODEGEN_HEADER
+#endif
+#ifdef REACT_NATIVE_APP_COMPONENT_DESCRIPTORS_HEADER
+#include REACT_NATIVE_APP_COMPONENT_DESCRIPTORS_HEADER
+#endif
+
+namespace facebook::react {
+
+void registerComponents(
+    std::shared_ptr<const ComponentDescriptorProviderRegistry> registry) {
+  // Custom Fabric Components go here. You can register custom
+  // components coming from your App or from 3rd party libraries here.
+  //
+  // providerRegistry->add(concreteComponentDescriptorProvider<
+  //        MyComponentDescriptor>());
+
+  // We link app local components if available
+#ifdef REACT_NATIVE_APP_COMPONENT_REGISTRATION
+  REACT_NATIVE_APP_COMPONENT_REGISTRATION(registry);
+#endif
+
+  // And we fallback to the components autolinked
+  autolinking_registerProviders(registry);
+}
+
+std::shared_ptr<TurboModule> cxxModuleProvider(
+    const std::string& name,
+    const std::shared_ptr<CallInvoker>& jsInvoker) {
+  // Here you can provide your CXX Turbo Modules coming from
+  // either your application or from external libraries. The approach to follow
+  // is similar to the following (for a module called `NativeCxxModuleExample`):
+  //
+  // if (name == NativeCxxModuleExample::kModuleName) {
+  //   return std::make_shared<NativeCxxModuleExample>(jsInvoker);
+  // }
+
+  // And we fallback to the CXX module providers autolinked
+  return autolinking_cxxModuleProvider(name, jsInvoker);
+
+  return nullptr;
+}
+
+std::shared_ptr<TurboModule> javaModuleProvider(
+    const std::string& name,
+    const JavaTurboModule::InitParams& params) {
+  // Here you can provide your own module provider for TurboModules coming from
+  // either your application or from external libraries. The approach to follow
+  // is similar to the following (for a library called `samplelibrary`):
+  //
+  // auto module = samplelibrary_ModuleProvider(name, params);
+  // if (module != nullptr) {
+  //    return module;
+  // }
+  // return rncore_ModuleProvider(name, params);
+
+  // We link app local modules if available
+#ifdef REACT_NATIVE_APP_MODULE_PROVIDER
+  auto module = REACT_NATIVE_APP_MODULE_PROVIDER(name, params);
+  if (module != nullptr) {
+    return module;
+  }
+#endif
+
+  // We first try to look up core modules
+  if (auto module = FBReactNativeSpec_ModuleProvider(name, params)) {
+    return module;
+  }
+
+  // And we fallback to the module providers autolinked
+  if (auto module = autolinking_ModuleProvider(name, params)) {
+    return module;
+  }
+
+  return nullptr;
+}
+
+} // namespace facebook::react
+
+JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM* vm, void*) {
+  return facebook::jni::initialize(vm, [] {
+    facebook::react::DefaultTurboModuleManagerDelegate::cxxModuleProvider =
+        &facebook::react::cxxModuleProvider;
+    facebook::react::DefaultTurboModuleManagerDelegate::javaModuleProvider =
+        &facebook::react::javaModuleProvider;
+    facebook::react::DefaultComponentsRegistry::
+        registerComponentDescriptorsFromEntryPoint =
+            &facebook::react::registerComponents;
+  });
+}