fix: make horizontal scrollbars sticky to bottom

test/mv_web/components/core_components_table_test.exs

@@ -151,4 +151,86 @@ defmodule MvWeb.Components.CoreComponentsTableTest do
       assert html =~ "ring-primary"
     end
   end
+
+  describe "table scroll wrapper contract" do
+    test "sticky header table uses horizontal-only overflow wrapper" do
+      rows = [%{id: "1", name: "Alice"}]
+
+      assigns = %{
+        id: "test-table",
+        rows: rows,
+        row_id: fn r -> "row-#{r.id}" end,
+        row_click: nil,
+        sticky_header: true,
+        row_item: &Function.identity/1,
+        col: [
+          %{
+            __slot__: :col,
+            label: "Name",
+            inner_block: fn _socket, item -> [item[:name] || ""] end
+          }
+        ],
+        dynamic_cols: [],
+        action: []
+      }
+
+      html = render_component(&CoreComponents.table/1, assigns)
+
+      assert html =~ ~s(class="overflow-x-auto")
+      refute html =~ ~s(class="overflow-auto")
+    end
+
+    test "table wrapper does not enable vertical overflow by default" do
+      rows = [%{id: "1", name: "Alice"}]
+
+      assigns = %{
+        id: "test-table",
+        rows: rows,
+        row_id: fn r -> "row-#{r.id}" end,
+        row_click: nil,
+        row_item: &Function.identity/1,
+        col: [
+          %{
+            __slot__: :col,
+            label: "Name",
+            inner_block: fn _socket, item -> [item[:name] || ""] end
+          }
+        ],
+        dynamic_cols: [],
+        action: []
+      }
+
+      html = render_component(&CoreComponents.table/1, assigns)
+
+      assert html =~ ~s(class="overflow-x-auto")
+      refute html =~ ~s(class="overflow-auto")
+    end
+
+    test "table wrapper overflow class can be overridden by caller" do
+      rows = [%{id: "1", name: "Alice"}]
+
+      assigns = %{
+        id: "test-table",
+        rows: rows,
+        row_id: fn r -> "row-#{r.id}" end,
+        row_click: nil,
+        wrapper_overflow_class: "overflow-visible",
+        row_item: &Function.identity/1,
+        col: [
+          %{
+            __slot__: :col,
+            label: "Name",
+            inner_block: fn _socket, item -> [item[:name] || ""] end
+          }
+        ],
+        dynamic_cols: [],
+        action: []
+      }
+
+      html = render_component(&CoreComponents.table/1, assigns)
+
+      assert html =~ ~s(class="overflow-visible")
+      refute html =~ ~s(class="overflow-x-auto")
+    end
+  end
 end