diff --git a/.gitignore b/.gitignore
index d29bfaa..be600d4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -35,6 +35,12 @@ venv/
 *.import
 export_presets.cfg
 
+# --- Reference material (third-party copyrighted screenshots) — local only ---
+tools/refs/
+
+# --- Claude Code local session/settings ---
+.claude/
+
 # --- Editor / OS ---
 .vscode/
 .idea/