Fix some issues with blueprint exporter

CLAUDE.md

@@ -105,6 +105,10 @@ Blueprints are automatically exported to readable text files in `Saved/Blueprint
 - `Docs/Difference Transmission with Threads.md` — why concurrent diff transmission is hard
 - `Docs/Blueprint Text Export.md` — how blueprints are auto-exported to readable text
 
+## Git
+
+Do not use git to make changes (commit, push, branch, etc.). Read-only git commands (status, log, diff, etc.) are fine.
+
 ## Coding Conventions
 
 - Do not use static functions in Unreal code. Use class methods or namespace-scoped functions instead.