Merge afternoon findings, restore 原始数据下载 section, restore user TL;DR
Add afternon session findings (2026-06-16): closing auction status=8, close status=5, mid-day subscription behavior, update close synthesis code
Updated Home (markdown)
Updated xtquant 全推 Tick 行为 (markdown)
Add investigate_tick.py download link
Link to release data-2026-06-12 (raw ticks jsonl)
Updated xtquant tick investigation (markdown)
Add xtquant tick investigation wiki page (2026-06-12 morning)
Initial Home page