Set model params for model

From Karla: Quick question…is there a way to change the advanced model parameters - esp max tokens at the admin level? Right now you can change it at the user level but it would be great to be able to drive these parameters at the admin level.

Note: also need this on the static app.

Similar to https://typingmind.canny.io/typing-mind-custom/p/model-settings-params-context-limit-etc-on-the-ai-character-level