please allow new models to legacy(premium request base) annual users

we are very thankful github copilot for allowing legacy annual subscription users to use premium request based system.

but it seems new models are not available for legacy users.

are there any plan for applying allow some new models to premium request based subscription users with multiplier?

thanks a lot!

未指明任何檔案、測試或進入點。該 issue 要求為既有的年度訂閱使用者和新模型制定產品存取政策，因此其解決需要維護者或產品團隊進行釐清，而不是進行範圍明確的程式碼變更。

由索引模型根據 Issue 內容生成。