diff --git a/.gitignore b/.gitignore
index 1cf8a63..2cab9ab 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,7 +5,21 @@ out
 .eslintcache
 *.log*
 
-#AI Agent
+# AI Agent
 .claude
 
-.env
\ No newline at end of file
+# Environment
+.env
+
+# Test outputs
+coverage/
+downloads/
+*.xlsx
+*.parsed.json
+
+# Test scripts (debug and manual)
+tests/debug/
+tests/manual/
+test-*.mjs
+test-*.js
+compare_*.js
\ No newline at end of file