feat: integrate chat credits handling into chat stream processing#363

pradipthaadhi wants to merge 9 commits intorecoupable:testrecoupable/api:testfrom

pradipthaadhi:yuliusupwork/myc-4501-credits-are-not-being-deducted-on-chatpradipthaadhi/api:yuliusupwork/myc-4501-credits-are-not-being-deducted-on-chatCopy head branch name to clipboard