feat: add user to member linking

test/accounts/debug_changeset_test.exs

@@ -0,0 +1,33 @@
+defmodule Mv.Accounts.DebugChangesetTest do
+  use Mv.DataCase, async: true
+
+  alias Mv.Accounts
+  alias Mv.Membership
+
+  test "debug: what's in the changeset when linking with same email" do
+    # Create member
+    {:ok, member} =
+      Membership.create_member(%{
+        first_name: "Emma",
+        last_name: "Davis",
+        email: "emma@example.com"
+      })
+
+    IO.puts("\n=== MEMBER CREATED ===")
+    IO.puts("Member ID: #{member.id}")
+    IO.puts("Member Email: #{member.email}")
+
+    # Try to create user with same email and link
+    IO.puts("\n=== ATTEMPTING TO CREATE USER WITH LINK ===")
+
+    # Let's intercept the validation to see what's in the changeset
+    result =
+      Accounts.create_user(%{
+        email: "emma@example.com",
+        member: %{id: member.id}
+      })
+
+    IO.puts("\n=== RESULT ===")
+    IO.inspect(result, label: "Result")
+  end
+end