Update author GitHub ID to chanzsam

Add author information (chanzs) to all pages

Update test endpoints to better match regions

Unify all back buttons to '返回主页'

Fix routing: add HomeController for root path redirects

Add navigation home page and optimize nodes list

Rename to '链路测速'

Fix IP detection and rename to '链路测试Demo'

Fix link test: use HTTP requests instead of ICMP ping for container environment

Add beautiful chaos engineering test page

Add global link test module with multi-region ping and packet loss testing

Add beautiful welcome page and custom error handlers

Deploy Java Gateway to Hugging Face via Docker

Add welcome page to fix 404 error

Deploy Java Gateway to Hugging Face via Docker