fix: 修复 WebUI 第二事件循环引发的三处并发硬伤，并修复 account_id 测试回归 - #1908

fix: 修复 WebUI 第二事件循环引发的三处并发硬伤，并修复 account_id 测试回归#1908

s1f102500012 wants to merge 4 commits into

Mai-with-u:devMai-with-u/MaiBot:devfrom

s1f102500012:fix/webui-cross-loop-hardenings1f102500012/MaiBot:fix/webui-cross-loop-hardeningCopy head branch name to clipboard