If the cookies are set as HttpOnly, you won't be able to directly manipulate them from your client-side JavaScript code. This is intentional for security reasons - HttpOnly cookies can't be accessed via JavaScript to prevent cross-site scripting attacks. You have several options:

1. Create a backend proxy (for example an python or node api)
2. Embedded iframe approach
3. Reverse proxy setup

Here are some helpful links to guide you through implementing a backend proxy with Python and express (node):

• https://stackoverflow.com/a/31555440/10485746
• https://apidog.com/blog/python-requests-cookies/
• https://dev.to/devgauravjatt/expressjs-cookies-and-using-expressjs-middleware-for-cookie-handling-3nnf

If HttpOnly is disabled, here’s a helpful link on how to implement it in Angular:

• https://ramya-bala221190.medium.com/angular-sending-receiving-cookies-with-a-cross-site-application-server-c4cba9f8d746

I hope I was able to help you!