Edge Function - User authentication from Bearer - how to?

FunctionResponse? res;
    final String? accessToken = Supabase.instance.client.auth.session()?.accessToken;

    try {
      res = await Supabase.instance.client.functions.invoke(
        'ef_authentication_test',
        body: {
          "action": "action",
          "data": {
            "hello": "worled",
          },
        },
        headers: {'Authorization': 'Bearer $accessToken'},
      );

      TraceHelper.logE('[SupabaseHelper::invokeFunction] -- Response', error: res);
      
    } catch (e) {
      TraceHelper.logE('[SupabaseHelper::invokeFunction] -- Exception', error: e);
    }

export const supabaseClient = createClient(
  // Supabase API URL - env var exported by default when deployed.
  'https://KEY.supabase.co',
  // Supabase API ANON KEY - env var exported by default when deployed.
  '<ANON KEY>'
);

export function supabaseUser(req:Request) {
  // Get the authorization header from the request.
  const authHeader = req.headers?.get('Authorization')?.replace("Bearer ", "") || "";
  console.log(`Authorization: ${authHeader}`);
  
  supabaseClient.auth.setAuth(authHeader);

  console.log(`User: ${supabaseClient.auth.user()}`);

  return supabaseClient.auth.user();
};