feat: add password hint_text

app/controllers/auth/passwords_controller.rb

@@ -24,11 +24,13 @@ class Auth::PasswordsController < Devise::PasswordsController
 
   def edit
     super
+    minimum_password_length
     @confirmation = params["confirmation"]
     render "devise/passwords/reset_password"
   end
 
   def update
+    minimum_password_length
     self.resource = resource_class.reset_password_by_token(resource_params)
     yield resource if block_given?
 
@@ -51,6 +53,10 @@ class Auth::PasswordsController < Devise::PasswordsController
 
 protected
 
+  def minimum_password_length
+    @minimum_password_length ||= Devise.password_length.min
+  end
+
   def set_2fa_required
     return unless resource.respond_to?(:need_two_factor_authentication?) &&
       resource.need_two_factor_authentication?(request)

app/views/devise/passwords/edit.html.erb

@@ -15,7 +15,7 @@
 
       <%= f.govuk_password_field :password,
         label: { text: "New password" },
-        hint: @minimum_password_length ? { text: "Your password must be at least #{@minimum_password_length} characters and hard to guess." } : nil,
+        hint: { text: "Your password must be at least #{@minimum_password_length} characters and hard to guess." },
         autocomplete: "new-password" %>
 
       <%= f.govuk_password_field :password_confirmation,

app/views/devise/passwords/reset_password.html.erb

@@ -16,7 +16,7 @@
 
       <%= f.govuk_password_field :password,
         label: { text: "New password" },
-        hint: @minimum_password_length ? { text: "Your password must be at least #{@minimum_password_length} characters and hard to guess." } : nil,
+        hint: { text: "Your password must be at least #{@minimum_password_length} characters and hard to guess." },
         autocomplete: "new-password" %>
 
       <%= f.govuk_password_field :password_confirmation,