chore: gitignore Claude Code local config files

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: VladUZH

.gitignore

@@ -43,3 +43,8 @@ apps/api/src/generated/
 
 # deployment secrets
 deployment/.env.*
+
+# claude code
+.agents/
+.claude/
+skills-lock.json