Add family moniker selection and dynamic UI labels (#981)

* Add family moniker selection and dynamic UI labels

Introduce a Family moniker persisted in the database with allowed values Family/Group, add required onboarding selection for it, and thread moniker-aware copy through key user-facing views and locales. Also add helper methods and tests for onboarding form presence and family moniker behavior.

* Small copy edits/change moniker question order

* Conditional Group/Family onboarding flow fixes

* Fix label

* Grouping of fields

* Profile Info page Group/Family changes

* Only admins can change Group/Family moniker

* Repetitive defaults

* Moniker in Account model

* Moniker in User model

* Auth fix

* Sure product is also a moniker

---------

Signed-off-by: Juan José Mata <juanjo.mata@gmail.com>

app/models/account.rb

@@ -74,6 +74,11 @@ class Account < ApplicationRecord
   end
 
   class << self
+    def human_attribute_name(attribute, options = {})
+      options = { moniker: Current.family&.moniker_label || "Family" }.merge(options)
+      super(attribute, options)
+    end
+
     def create_and_sync(attributes, skip_initial_sync: false)
       attributes[:accountable_attributes] ||= {} # Ensure accountable is created, even if empty
       # Default cash_balance to balance unless explicitly provided (e.g., Crypto sets it to 0)

app/models/family.rb

@@ -17,6 +17,9 @@ class Family < ApplicationRecord
     [ "YYYYMMDD", "%Y%m%d" ]
   ].freeze
 
+
+  MONIKERS = [ "Family", "Group" ].freeze
+
   has_many :users, dependent: :destroy
   has_many :accounts, dependent: :destroy
   has_many :invitations, dependent: :destroy
@@ -43,6 +46,16 @@ class Family < ApplicationRecord
   validates :locale, inclusion: { in: I18n.available_locales.map(&:to_s) }
   validates :date_format, inclusion: { in: DATE_FORMATS.map(&:last) }
   validates :month_start_day, inclusion: { in: 1..28 }
+  validates :moniker, inclusion: { in: MONIKERS }
+
+
+  def moniker_label
+    moniker.presence || "Family"
+  end
+
+  def moniker_label_plural
+    moniker_label == "Group" ? "Groups" : "Families"
+  end
 
   def uses_custom_month_start?
     month_start_day != 1