新增 Expo 与 Tauri 原生宿主壳

新增 HostBridge 原生宿主契约和 H5 native_app transport

新增 Expo React Native 移动壳并收紧 WebView 外链边界

新增 Tauri 桌面壳并用 capability 收口受控命令

更新宿主壳方案、文档索引和共享记忆

.gitignore

@@ -28,6 +28,9 @@ temp-build-goal-check/
 /public/generated-custom-world-scenes
 temp*build*/
 /server-rs/target/
+/apps/desktop-shell/src-tauri/target/
+/apps/desktop-shell/src-tauri/gen/
+/apps/desktop-shell/src-tauri/permissions/autogenerated/
 /server-rs/.spacetimedb/
 /server-rs/.data/
 /public/generated-animations