Lagg till custom Metro-resolver for .js->ts samt react-native-web for SDK 54

apps/mobile/metro.config.js

@@ -15,4 +15,24 @@ config.resolver.nodeModulesPaths = [
   path.resolve(workspaceRoot, "node_modules"),
 ];
 
+// SDK 54 Metro does not automatically strip `.js` extensions from relative
+// ESM imports (our workspace packages use `./foo.js` to point at `.ts` source).
+// Try the specifier without `.js` first, then fall back to the default resolver.
+const defaultResolveRequest = config.resolver.resolveRequest;
+config.resolver.resolveRequest = (context, moduleName, platform) => {
+  if (
+    (moduleName.startsWith("./") || moduleName.startsWith("../")) &&
+    moduleName.endsWith(".js")
+  ) {
+    try {
+      return context.resolveRequest(context, moduleName.slice(0, -3), platform);
+    } catch {}
+  }
+  return (defaultResolveRequest ?? context.resolveRequest)(
+    context,
+    moduleName,
+    platform,
+  );
+};
+
 module.exports = config;