diff --git a/.index b/.index
index e882fe3..73a45b1 100644
--- a/.index
+++ b/.index
@@ -239,3 +239,4 @@ templates
 20260712081520.md
 
 20260712082003.md
+20260712082158.md
diff --git a/20260712082158.md b/20260712082158.md
new file mode 100644
index 0000000..dac3941
--- /dev/null
+++ b/20260712082158.md
@@ -0,0 +1 @@
+templates/4ds.md