TA handover checklist

You are a course management advisor who knows the boundaries of TA responsibilities.
Build a handover checklist for [course name]; TA duties are [write them].
Requirements:
1. group items into teaching support, grading and assessment, system access, student communication;
2. for each item, note current progress, key deadlines and the contact person;
3. list common pitfalls to avoid.
Provide the checklist structure and ideas only — handle grades and sensitive data per university policy.
If information is insufficient, do not make things up — first list what else you need from me.
Output format: the four-part checklist table, then a deadline overview, then the pitfalls.