fix: date year picker (#84)

| Numéro du ticket | Titre du ticket |
|------------------|-----------------|
|                  |                 |

## Description de la PR

## Modification du .env

## Check list

- [ ] Pas de régression
- [ ] TU/TI/TF rédigée
- [ ] TU/TI/TF OK
- [ ] CHANGELOG modifié

---------

Co-authored-by: admin malio <malio@yuno.malio.fr>
Co-authored-by: THOLOT DECHENE Matthieu <matthieu@yuno.malio.fr>
Co-authored-by: matthieu <matthieu@yuno.malio.fr>
Reviewed-on: #84
Co-authored-by: tristan <tristan@yuno.malio.fr>
Co-committed-by: tristan <tristan@yuno.malio.fr>

app/components/malio/date/composables/useCalendarPopover.ts

@@ -2,7 +2,7 @@ import {onBeforeUnmount, onMounted, ref, type Ref} from 'vue'
 
 export function useCalendarPopover(rootRef: Ref<HTMLElement | null>) {
   const isOpen = ref(false)
-  const viewMode = ref<'days' | 'months'>('days')
+  const viewMode = ref<'days' | 'months' | 'years'>('days')
 
   const open = () => {
     isOpen.value = true
@@ -12,8 +12,11 @@ export function useCalendarPopover(rootRef: Ref<HTMLElement | null>) {
     isOpen.value = false
     viewMode.value = 'days'
   }
-  const toggleView = () => {
-    viewMode.value = viewMode.value === 'days' ? 'months' : 'days'
+  // Le clic sur l'en-tête fait un cycle : jours → mois → années → jours.
+  const cycleView = () => {
+    if (viewMode.value === 'days') viewMode.value = 'months'
+    else if (viewMode.value === 'months') viewMode.value = 'years'
+    else viewMode.value = 'days'
   }
 
   const onMouseDown = (event: MouseEvent) => {
@@ -24,5 +27,5 @@ export function useCalendarPopover(rootRef: Ref<HTMLElement | null>) {
   onMounted(() => document.addEventListener('mousedown', onMouseDown))
   onBeforeUnmount(() => document.removeEventListener('mousedown', onMouseDown))
 
-  return {isOpen, viewMode, open, close, toggleView}
+  return {isOpen, viewMode, open, close, cycleView}
 }