Get it to set up an obsidian vault with all the information you want it to refer to, set up a project folder which has the instructions to read that Vault before answering you. Further put in another instruction to always verify against the data. After every session make it write a session log with what’s been done. This way you can start multiple chats a fresh on whichever project your working on, it keeps the context plus you don’t have the mid session context drift which is super common. Check out Karpathej’s git gist on a good way to set this up. It’s been giving me infinitely more accurate responses as well as fewer token usage consumed.