refactor: extract helper modules to remove code duplication

lib/mv_web/helpers/field_type_formatter.ex

@@ -0,0 +1,59 @@
+defmodule MvWeb.Helpers.FieldTypeFormatter do
+  @moduledoc """
+  Helper functions for formatting field types for display.
+
+  Handles both Ash type modules (e.g., `Ash.Type.String`) and simple atoms (e.g., `:string`).
+  """
+
+  alias MvWeb.Translations.FieldTypes
+
+  @doc """
+  Formats an Ash type for display.
+
+  Handles both Ash type modules (e.g., `Ash.Type.String`) and simple atoms (e.g., `:string`).
+
+  ## Parameters
+
+    - `type` - An atom or module representing the field type
+
+  ## Returns
+
+    A human-readable string representation of the type
+
+  ## Examples
+
+      iex> format(:string)
+      "String"
+
+      iex> format(Ash.Type.String)
+      "String"
+
+      iex> format(Ash.Type.Date)
+      "Date"
+  """
+  @spec format(atom() | module()) :: String.t()
+  def format(type) when is_atom(type) do
+    type_string = to_string(type)
+
+    if String.contains?(type_string, "Ash.Type.") do
+      type_string
+      |> String.split(".")
+      |> List.last()
+      |> String.downcase()
+      |> then(fn type_name ->
+        try do
+          type_atom = String.to_existing_atom(type_name)
+          FieldTypes.label(type_atom)
+        rescue
+          ArgumentError -> FieldTypes.label(:string)
+        end
+      end)
+    else
+      FieldTypes.label(type)
+    end
+  end
+
+  def format(type) do
+    to_string(type)
+  end
+end