fix(mobile): hide Gradle outputs inside node_modules from Metro

Gradle builds native modules in place, under node_modules/<pkg>/android/
{build,.cxx,.gradle}. The root node_modules is a watch folder, so Metro still
crawled and hashed those artifacts and the release bundle step stalled.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

apps/mobile/metro.config.js

@@ -9,7 +9,10 @@ const config = getDefaultConfig(__dirname);
 // в release-сборке Metro на них «висит». В JS-бандл из этих папок ничего не попадает.
 const escape = (p) => p.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
 const nativeDirs = ['android', 'ios'].map((d) => new RegExp(`^${escape(path.join(__dirname, d) + path.sep)}.*`));
+// Gradle собирает нативные модули прямо в node_modules/<пакет>/android/{build,.cxx,.gradle},
+// а корневой node_modules тоже в watchFolders.
+const nativeBuildOutputs = /[\\/]android[\\/](build|\.cxx|\.gradle)[\\/].*/;
 
-config.resolver.blockList = [...[].concat(config.resolver.blockList ?? []), ...nativeDirs];
+config.resolver.blockList = [...[].concat(config.resolver.blockList ?? []), ...nativeDirs, nativeBuildOutputs];
 
 module.exports = config;