diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e5dcda9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,19 @@
+# Go build artifacts
+*.test
+*.prof
+*.memprof
+*.out
+coverage.out
+coverage.txt
+
+# Editor / OS
+.DS_Store
+*.swp
+*.swo
+.idea/
+.vscode/
+
+# Project tool artifacts (session caches, review output, evidence dumps)
+review.json
+.omo/run-continuation/
+.omo/evidence/
diff --git a/wal.test b/wal.test
deleted file mode 100755
index 8cc1da8..0000000
Binary files a/wal.test and /dev/null differ