chore: move CLAUDE.md to local-only file

- Removed CLAUDE.md from repository tracking
- Added to .gitignore to keep it local
- Project instructions remain available locally for development

Authored by: Aaron Lippold<lippold@gmail.com>

Author: aaronlippold

.gitignore

@@ -68,6 +68,7 @@ recovery-prompt*.md
 test-*.js
 test-*.txt
 session.md
+CLAUDE.md
 
 # Project-specific
 *.old.ts