diff --git a/.index b/.index
index bd8a10c..41b6d7d 100644
--- a/.index
+++ b/.index
@@ -235,3 +235,4 @@ archive
 20260709074017.todo.md
 
 templates
+20260712081318.md
diff --git a/20260712081318.md b/20260712081318.md
new file mode 100644
index 0000000..b365282
--- /dev/null
+++ b/20260712081318.md
@@ -0,0 +1 @@
+templates/4ds