Sync .gitignore

Author: SyncFileContents

.gitignore

@@ -644,4 +644,7 @@ Temporary Items
 /.what-is-this.md
 # SpecStory derived-cursor-rules.mdc backup files
 /ai_rules_backups/*
-.specstory/ai_rules_backups/*
+.specstory/ai_rules_backups/*
+
+# Claude.ai local settings
+.claude/settings.local.json