RetroAchievements forced to softcore only starting in April

[wescopeland]

Description of the Issue

Flycast is not attaching a required user agent header on calls to the RetroAchievements server.

Debugging Steps Tested

• Open any game with RetroAchievements enabled and observe network traffic.

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Hi! I am an admin at RetroAchievements.

I'm reaching out to let you know about this recent news post: https://retroachievements.org/viewtopic.php?t=29231

We would like to have a conversation about officially supporting Flycast for hardcore mode 🙂. At the present time, it has come to our attention that Flycast is not attaching a required user agent header when pinging our server.

More docs on how to resolve this can be found here:
https://github.com/RetroAchievements/rcheevos/wiki/rc_client-integration#user-agent-header

Additionally, @flyinghead, we've pinged directly in our workshop server Discord here: https://discord.com/channels/476211979464343552/757767535293890682/1323755816913731594