Fix Parsera nil model ID handling in models.rb

Author: infinityrobot

lib/ruby_llm/models.rb

@@ -92,7 +92,8 @@ def fetch_from_parsera
           f.response :json, parser_options: { symbolize_names: true }
         end
         response = connection.get 'https://api.parsera.org/v1/llm-specs'
-        response.body.map { |data| Model::Info.new(data) }
+        models = response.body.map { |data| Model::Info.new(data) }
+        models.select { |m| m.provider && m.id }
       end
 
       def merge_models(provider_models, parsera_models)