Increase default capacity in SearchIndexWrapper and enhance similarity calculation in calculate_similarity function to boost similarity score when all query words are found. Update MAX_WORDS and MAX_STRING_LEN definitions for improved handling.

similarity_search_addon.cc

@@ -41,7 +41,7 @@ SearchIndexWrapper::SearchIndexWrapper(const Napi::CallbackInfo& info)
   Napi::Env env = info.Env();
   Napi::HandleScope scope(env);
   
-  int capacity = 500; // Default capacity
+  int capacity = 10000; // Increased default capacity from 500 to 10000
   if (info.Length() > 0 && info[0].IsNumber()) {
     capacity = info[0].As<Napi::Number>().Int32Value();
   }