feat(ui) : prop required + aria-required + astérisque sur Select/SelectCheckbox/Upload/RichText

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

app/components/malio/input/InputRichText.test.ts

@@ -19,6 +19,7 @@ type InputRichTextProps = {
   groupClass?: string
   labelClass?: string
   editorClass?: string
+  required?: boolean
 }
 
 const InputRichTextForTest = InputRichText as DefineComponent<InputRichTextProps>
@@ -162,4 +163,16 @@ describe('MalioInputRichText', () => {
     expect(html).toContain('Mon titre')
     expect(html).toContain('Un paragraphe.')
   })
+
+  it('affiche l\'astérisque quand required est vrai', async () => {
+    const wrapper = await mountComponent({label: 'Champ', required: true})
+
+    expect(wrapper.find('[data-test="required-mark"]').exists()).toBe(true)
+  })
+
+  it('n\'affiche pas l\'astérisque par défaut', async () => {
+    const wrapper = await mountComponent({label: 'Champ'})
+
+    expect(wrapper.find('[data-test="required-mark"]').exists()).toBe(false)
+  })
 })