Custom action function calling is always more problematic

[oak bone]

ChatGPT shared link: https://chat.openai.com/g/g-veSrMmasJ-pdf-keymate-ai-search-gpt

Oauth-based flows are more buggy than no Oauth GPTs, creating a fundamental problem with the GPT store. Those who are offering more through sign-in flows shouldn't be disadvantaged.

Steps to reproduce:

1. New user try to use Keymate.AI GPT first time and clicks on Login

Expected result:

1. It should redirect

Actual result:

1. It sometimes never logs in

Additional information

Browser:Chrome
OS:Mac