improved compatibility of rules files (#1485)

Author: charlesfrye

.claude/CLAUDE.md

@@ -1,6 +1,8 @@
 # Modal Examples
 
-For up-to-date Modal usage tips, see https://modal.com/llms.txt
+For up-to-date Modal usage information, see https://modal.com/llms.txt.
+Reference that file for information on how to use Modal properly,
+including debugging.
 
 Examples are published at `https://modal.com/docs/examples/{slug}` where `slug`
 is the filename without `.py`.

AGENTS.md

@@ -0,0 +1 @@
+.claude/CLAUDE.md