Fix Credo Readability (strict)

- Max line length, implicit try, alias order, zero-arity defs
- String sigils, long comments split; redundant blank lines fixed

test/mv_web/member_live/index_test.exs

@@ -3,8 +3,8 @@ defmodule MvWeb.MemberLive.IndexTest do
   import Phoenix.LiveViewTest
   require Ash.Query
 
-  alias Mv.MembershipFees.MembershipFeeType
   alias Mv.MembershipFees.MembershipFeeCycle
+  alias Mv.MembershipFees.MembershipFeeType
 
   # Helper to create a membership fee type (shared across all tests)
   defp create_fee_type(attrs, actor) do