fix: language buttons real design / conformance

features/spa_internationalization.feature

@@ -4,8 +4,7 @@ Feature: English and French throughout the SPA
     Given all existing SPA interface text supports English and French
     And English preserves existing copy and French provides equivalent meaning
     And user content, API data and transactional emails remain unchanged
-    And visual checks are waived by the user for this slice
-    And the language control uses existing design tokens
+    And the language control follows features/language_switcher_conformance.feature
 
   Scenario Outline: Resolve the language before rendering
     Given the browser-local stored language is <stored>
@@ -21,12 +20,10 @@ Feature: English and French throughout the SPA
       | unsupported | en     |
       | unreadable  | en     |
 
-  Scenario Outline: Open the language picker in the profile submenu
+  Scenario Outline: Offer the language choice in the account menu
     Given the user opens the <menu>
-    When they activate the localized Language control
-    Then a compact scrollable picker offers English and Français
+    Then a localized Language section offers English and Français as radio items
     And the selected language is visibly and accessibly identified
-    And the picker uses Nuxt UI and existing design tokens
 
     Examples:
       | menu                    |
@@ -65,13 +62,12 @@ Feature: English and French throughout the SPA
     And an unavailable French message falls back to English
     And user content, account details, filenames, URLs, API data and emails remain unchanged
 
-  Scenario Outline: Operate the picker accessibly
-    Given the picker is open in the <menu>
-    When the user navigates its options with the keyboard and confirms a choice
-    Then the language changes and the picker closes
-    And focus returns to its language control
-    When they reopen it and press Escape or click outside
-    Then the picker closes without changing language
+  Scenario Outline: Operate the language choice accessibly
+    Given the <menu> is open
+    When the user navigates the language items with the keyboard and confirms a choice
+    Then the language changes and the menu stays open
+    When they press Escape or click outside
+    Then the menu closes without changing language
 
     Examples:
       | menu                    |