chore: remove immutable from custom fields

lib/membership/custom_field.ex

@@ -12,7 +12,6 @@ defmodule Mv.Membership.CustomField do
   - `slug` - URL-friendly, immutable identifier automatically generated from name (e.g., "phone-mobile")
   - `value_type` - Data type constraint (`:string`, `:integer`, `:boolean`, `:date`, `:email`)
   - `description` - Optional human-readable description
-  - `immutable` - If true, custom field values cannot be changed after creation
   - `required` - If true, all members must have this custom field (future feature)
   - `show_in_overview` - If true, this custom field will be displayed in the member overview table and can be sorted
 
@@ -60,10 +59,10 @@ defmodule Mv.Membership.CustomField do
 
   actions do
     defaults [:read, :update]
-    default_accept [:name, :value_type, :description, :immutable, :required, :show_in_overview]
+    default_accept [:name, :value_type, :description, :required, :show_in_overview]
 
     create :create do
-      accept [:name, :value_type, :description, :immutable, :required, :show_in_overview]
+      accept [:name, :value_type, :description, :required, :show_in_overview]
       change Mv.Membership.CustomField.Changes.GenerateSlug
       validate string_length(:slug, min: 1)
     end
@@ -113,10 +112,6 @@ defmodule Mv.Membership.CustomField do
         trim?: true
       ]
 
-    attribute :immutable, :boolean,
-      default: false,
-      allow_nil?: false
-
     attribute :required, :boolean,
       default: false,
       allow_nil?: false

lib/mv_web/live/custom_field_live/form_component.ex

@@ -6,7 +6,7 @@ defmodule MvWeb.CustomFieldLive.FormComponent do
   - Create new custom field definitions
   - Edit existing custom fields
   - Select value type from supported types
-  - Set immutable and required flags
+  - Set required flag
   - Real-time validation
 
   ## Props
@@ -50,10 +50,10 @@ defmodule MvWeb.CustomFieldLive.FormComponent do
             label={gettext("Value type")}
             options={
               Ash.Resource.Info.attribute(Mv.Membership.CustomField, :value_type).constraints[:one_of]
+              |> Enum.map(fn type -> {MvWeb.Translations.FieldTypes.label(type), type} end)
             }
           />
           <.input field={@form[:description]} type="text" label={gettext("Description")} />
-          <.input field={@form[:immutable]} type="checkbox" label={gettext("Immutable")} />
           <.input field={@form[:required]} type="checkbox" label={gettext("Required")} />
           <.input
             field={@form[:show_in_overview]}

priv/repo/migrations/20251211172549_remove_immutable_from_custom_fields.exs

@@ -0,0 +1,21 @@
+defmodule Mv.Repo.Migrations.RemoveImmutableFromCustomFields do
+  @moduledoc """
+  Removes the immutable column from custom_fields table.
+
+  The immutable field is no longer needed in the custom field definition.
+  """
+
+  use Ecto.Migration
+
+  def up do
+    alter table(:custom_fields) do
+      remove :immutable
+    end
+  end
+
+  def down do
+    alter table(:custom_fields) do
+      add :immutable, :boolean, null: false, default: false
+    end
+  end
+end

priv/repo/seeds.exs

@@ -12,28 +12,24 @@ for attrs <- [
         name: "String Field",
         value_type: :string,
         description: "Example for a field of type string",
-        immutable: true,
         required: false
       },
       %{
         name: "Date Field",
         value_type: :date,
         description: "Example for a field of type date",
-        immutable: true,
         required: false
       },
       %{
         name: "Boolean Field",
         value_type: :boolean,
         description: "Example for a field of type boolean",
-        immutable: true,
         required: false
       },
       %{
         name: "Email Field",
         value_type: :email,
         description: "Example for a field of type email",
-        immutable: true,
         required: false
       },
       # Realistic custom fields
@@ -41,56 +37,48 @@ for attrs <- [
         name: "Membership Number",
         value_type: :string,
         description: "Unique membership identification number",
-        immutable: false,
         required: false
       },
       %{
         name: "Emergency Contact",
         value_type: :string,
         description: "Emergency contact person name and phone",
-        immutable: false,
         required: false
       },
       %{
         name: "T-Shirt Size",
         value_type: :string,
         description: "T-Shirt size for events (XS, S, M, L, XL, XXL)",
-        immutable: false,
         required: false
       },
       %{
         name: "Newsletter Subscription",
         value_type: :boolean,
         description: "Whether member wants to receive newsletter",
-        immutable: false,
         required: false
       },
       %{
         name: "Date of Last Medical Check",
         value_type: :date,
         description: "Date of last medical examination",
-        immutable: false,
         required: false
       },
       %{
         name: "Secondary Email",
         value_type: :email,
         description: "Alternative email address",
-        immutable: false,
         required: false
       },
       %{
         name: "Membership Type",
         value_type: :string,
         description: "Type of membership (e.g., Regular, Student, Senior)",
-        immutable: false,
         required: false
       },
       %{
         name: "Parking Permit",
         value_type: :boolean,
         description: "Whether member has parking permit",
-        immutable: false,
         required: false
       }
     ] do