User-agent: GPTBot
Disallow:

User-agent: *
Allow: /
Allow: /llms.txt
Allow: /llms/

# Sitemap location
Sitemap: https://www.twca.com.tw/sitemap.xml

# LLMs.txt location (for AI crawlers specifically looking for this standard)
# Although standard crawlers will look for /llms.txt by default, 
# explicit allowance in robots.txt is good practice.