diff --git a/.gitignore b/.gitignore
index d365e93..1faa899 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,4 +30,6 @@ __pycache__/
 .mypy_cache/
 
 # Local project memory/state
-.memory/
+# Keep memory files tracked
+!.memory/
+!.memory/**
diff --git a/.memory/todo.md b/.memory/todo.md
new file mode 100644
index 0000000..9f79c68
--- /dev/null
+++ b/.memory/todo.md
@@ -0,0 +1,6 @@
+# Todo
+
+- Improve failure-path coverage for write operations.
+- Verify and harden nested group path resolution.
+- Keep integration write tests on temporary copies only.
+- Keep API minimal and predictable.