收口原生外观查询边界

将 Expo 系统配色读取收口到 appearance 模块

将 Tauri 窗口主题读取收口到 appearance 模块

同步原生壳结构门禁和架构文档清单

scripts/check-native-shells.mjs

@@ -249,6 +249,7 @@ const expectedWechatPageFilesByRoute = {
   'wechat-pay': ['index.js', 'index.json', 'index.wxml', 'index.wxss'],
 };
 const expectedMobileHostBridgeFiles = [
+  'appearance.ts',
   'badge.ts',
   'bridge.test.ts',
   'bridge.ts',
@@ -293,6 +294,7 @@ const expectedMobileShellFiles = [
   'webViewPolicy.ts',
 ];
 const expectedDesktopHostBridgeRustFiles = [
+  'appearance.rs',
   'badge.rs',
   'capabilities.rs',
   'clipboard.rs',