Show child sections as children

content/list/index.md

@@ -0,0 +1,6 @@
+---
+tags:
+    - tag1
+    - list
+---
+# List page

content/list/item-1.md

@@ -0,0 +1,5 @@
+---
+tags:
+    - item
+---
+# Item 1

content/list/item-2.md

@@ -0,0 +1,5 @@
+---
+tags:
+    - item
+---
+# Item 2

content/list/item-3/index.md

@@ -0,0 +1,5 @@
+---
+tags:
+    - item
+---
+# Item 3

hooks/nav.py

@@ -10,7 +10,18 @@ def is_list_page(page) -> bool:
 def children(page):
     if not is_list_page(page):
         return []
-    return page.parent.children[1:]
+
+    page_children = []
+
+    for child in page.parent.children[1:]:
+        if child.is_page:
+            page_children.append(child)
+
+        # If the child is a section, use its index page as the child
+        if child.is_section:
+            page_children.append(child.children[0])
+
+    return page_children
 
 @jinja2.pass_context
 def get_page(context, slug):