diff --git a/.gitignore b/.gitignore
index 70d0da7..8fc5726 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,10 @@ data/*
 data/*/**
 !data/*/.gitkeep
 
+# Snapshot contents (generated at runtime)
+snapshots/*
+!snapshots/.gitkeep
+
 # Instance compose files and registry (generated at runtime)
 instances/
 
diff --git a/snapshots/.gitkeep b/snapshots/.gitkeep
new file mode 100644
index 0000000..e69de29