Fix error when deleting members

Justfile

@@ -35,8 +35,8 @@ audit:
     mix deps.audit
     mix hex.audit
 
-test: install-dependencies start-database
-    mix test
+test *args: install-dependencies start-database
+    mix test {{args}}
 
 format:
     mix format

lib/mv_web/live/member_live/index.ex

@@ -50,7 +50,8 @@ defmodule MvWeb.MemberLive.Index do
     member = Ash.get!(Mv.Membership.Member, id)
     Ash.destroy!(member)
 
-    {:noreply, stream_delete(socket, :members, member)}
+    updated_members = Enum.reject(socket.assigns.members, &(&1.id == id))
+    {:noreply, assign(socket, :members, updated_members)}
   end
 
   # Selects one member in the list of members

test/mv_web/member_live/index_test.exs

@@ -1,6 +1,7 @@
 defmodule MvWeb.MemberLive.IndexTest do
   use MvWeb.ConnCase, async: true
   import Phoenix.LiveViewTest
+  require Ash.Query
 
   test "shows translated title in German", %{conn: conn} do
     conn = conn_with_oidc_user(conn)
@@ -85,4 +86,31 @@ defmodule MvWeb.MemberLive.IndexTest do
     assert state.socket.assigns.query == "Friedrich"
     assert is_list(state.socket.assigns.members)
   end
+
+  test "can delete a member without error", %{conn: conn} do
+    # Create a test member first
+    {:ok, member} =
+      Mv.Membership.create_member(%{
+        first_name: "Test",
+        last_name: "User",
+        email: "test@example.com"
+      })
+
+    conn = conn_with_oidc_user(conn)
+    {:ok, index_view, _html} = live(conn, "/members")
+
+    # Verify the member is displayed
+    assert has_element?(index_view, "#members", "Test User")
+
+    # Click the delete link for this member
+    index_view
+    |> element("a", "Delete")
+    |> render_click()
+
+    # Verify the member is no longer displayed
+    refute has_element?(index_view, "#members", "Test User")
+
+    # Verify the member was actually deleted from the database
+    assert not (Mv.Membership.Member |> Ash.Query.filter(id == ^member.id) |> Ash.exists?())
+  end
 end