With Spam texts becoming more and more frequent, it'd be nice to have a tab where I can view friends and not have spam texts filling up that space. Even deleting them barely makes a difference because they're so frequent.

So ideally there are 2 tabs, where the first shows messages from people in your contact list (and any group chats where you have at least one member in your contact list), and the second is everything else.
The tabs would be at the top, just below the toolbar, for ease of navigation, with a switch in the settings to enable/disable since I'm sure there are people who don't care if they have Spam sprinkled throughout their message history.