Ensure the default user attributes section has a name

app/components/settings/user_custom_field_sections/show_component.html.erb

@@ -9,7 +9,7 @@
             end
             content_container.with_column do
               render(Primer::Beta::Text.new(font_weight: :bold)) do
-                @user_custom_field_section.name.presence || t("settings.user_custom_fields.label_untitled_section")
+                @user_custom_field_section.name
               end
             end
           end

app/components/users/profile/attributes_section_component.rb

@@ -52,7 +52,7 @@ def attributes
       end
 
       def section_title
-        @section.name.presence || t("settings.user_custom_fields.label_untitled_section")
+        @section.name
       end
     end
   end

app/forms/custom_fields/details_form.rb

@@ -55,7 +55,7 @@ class DetailsForm < ApplicationForm
           required: true
         ) do |list|
           section_class_for_model.all.each do |cs| # rubocop:disable Rails/FindEach -- ordered by default_scope; find_each would override it
-            list.option(value: cs.id, label: cs.name.presence || I18n.t("settings.user_custom_fields.label_untitled_section"))
+            list.option(value: cs.id, label: cs.name)
           end
         end
       end

app/forms/users/form/attributes_form.rb

@@ -105,7 +105,7 @@ def render_section(form, section)
       end
 
       def section_title(section)
-        section.name.presence || I18n.t("settings.user_custom_fields.label_untitled_section")
+        section.name
       end
 
       def render_built_in(group, key)

app/models/user_custom_field_section.rb

@@ -74,8 +74,4 @@ def self.with_filled_fields_for(user, visible_on_user_card: nil) # rubocop:disab
       [section, ordered] if ordered.any?
     end
   end
-
-  def untitled?
-    name.blank?
-  end
 end

app/seeders/basic_data/user_custom_field_section_seeder.rb

@@ -31,14 +31,11 @@
 module BasicData
   class UserCustomFieldSectionSeeder < Seeder
     def seed_data!
-      # The default section is intentionally untitled — it renders the I18n fallback
-      # label in the UI.  The name validation is bypassed to match the migration that
-      # creates the same section for existing installations.
-      section = UserCustomFieldSection.new(
+      UserCustomFieldSection.create!(
+        name: I18n.t("settings.user_custom_fields.label_default_section", locale: Setting.default_language),
         position: 1,
         attribute_order: UserCustomFieldSection::BUILT_IN_ATTRIBUTES
       )
-      section.save!(validate: false)
     end
 
     def applicable?

config/locales/en.yml

@@ -5851,7 +5851,7 @@ en:
       heading: "User attributes"
       label_new_attribute: "User attribute"
       label_new_section: "Section"
-      label_untitled_section: "User attributes"
+      label_default_section: "User attributes"
       new:
         heading: "New attribute"
       tabs:

db/migrate/20260706104133_backfill_default_user_custom_field_section_name.rb

@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+
+class BackfillDefaultUserCustomFieldSectionName < ActiveRecord::Migration[8.1]
+  def up
+    execute(<<~SQL.squish)
+      UPDATE custom_field_sections
+      SET name = #{quote(default_section_name)}, updated_at = NOW()
+      WHERE type = 'UserCustomFieldSection'
+        AND (name IS NULL OR name = '')
+    SQL
+  end
+
+  def down
+    execute(<<~SQL.squish)
+      UPDATE custom_field_sections
+      SET name = NULL, updated_at = NOW()
+      WHERE type = 'UserCustomFieldSection'
+        AND name = #{quote(default_section_name)}
+    SQL
+  end
+
+  private
+
+  def default_section_name
+    I18n.t("settings.user_custom_fields.label_default_section", locale: default_language)
+  end
+
+  # Settings may be unavailable when migrating a clean database (e.g. the settings
+  # table or its seeds are not yet present), so fall back to English.
+  def default_language
+    Setting.default_language.presence || "en"
+  rescue StandardError
+    "en"
+  end
+end

spec/components/users/profile/attributes_section_component_spec.rb

@@ -96,21 +96,4 @@
       expect(component.render?).to be(false)
     end
   end
-
-  context "with an untitled section" do
-    shared_let(:custom_field) do
-      create(:user_custom_field, :string, user_custom_field_section: section)
-    end
-    let(:user) { create(:user, custom_values: [build(:custom_value, custom_field:, value: "x")]) }
-
-    before do
-      section.update_column(:name, nil)
-      section.update_column(:attribute_order, [custom_field.column_name])
-      render_inline(component)
-    end
-
-    it "renders the I18n fallback label" do
-      expect(page).to have_text(I18n.t("settings.user_custom_fields.label_untitled_section"))
-    end
-  end
 end

spec/models/user_custom_field_section_spec.rb

@@ -39,12 +39,6 @@
     end
   end
 
-  describe "#untitled?" do
-    it { expect(described_class.new(name: nil)).to be_untitled }
-    it { expect(described_class.new(name: "")).to be_untitled }
-    it { expect(described_class.new(name: "My section")).not_to be_untitled }
-  end
-
   describe "#add_to_order" do
     it "appends to the end when no position given" do
       section.add_to_order("cf_1")