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+# Sélecteur d'année dans le calendrier — Implementation Plan
+
+> **For agentic workers:** REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (`- [ ]`) syntax for tracking.
+
+**Goal:** Ajouter un 3ᵉ niveau de navigation au calendrier de la famille `date/` : depuis la vue mois, recliquer sur le header ouvre un sélecteur d'année calqué sur le sélecteur de mois, avec respect des bornes `min`/`max`.
+
+**Architecture:** Le shell partagé `internal/CalendarField.vue` orchestre l'input, le popover, le header (`CalendarHeader`) et la commutation entre les vues `days` / `months` / `years`. `MonthPicker` et le nouveau `YearPicker` sont rendus dans `CalendarField` ; la grille de jours reste fournie par chaque consommateur via slot scoped. La logique d'état vit dans deux composables (`useCalendarPopover`, `useCalendarView`) et les bornes dans des helpers purs (`dateFormat.ts`).
+
+**Tech Stack:** Nuxt 4 layer, Vue 3 `<script setup lang="ts">`, TypeScript strict, Tailwind (palette `m-*`), `@iconify/vue`, Vitest + `@vue/test-utils` (jsdom).
+
+## Global Constraints
+
+- Composants : `defineOptions({name: 'MalioXxx'})` (les internes utilisent `MalioDateXxx`, sans `inheritAttrs: false` pour les pickers — calquer l'existant `MonthPicker`).
+- Valeurs ISO : `min`/`max` sont des chaînes `YYYY-MM-DD` (`DateTime` les tronque via `.slice(0, 10)`).
+- Tests : Vitest run mode, fichiers colocalisés `*.test.ts`, jsdom. Déterminisme via `vi.setSystemTime(new Date(2026, 4, 19))` (19 mai 2026).
+- Lancer un test ciblé : `npx vitest run <chemin>`.
+- Commits : Conventional Commits **avec espace avant `:`** (`feat : message (#…)`), type minuscule, **pas de scope majuscule** (préférer sans scope). Terminer par `Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>`.
+- Hook pre-commit flaky (timeouts WSL2) : après 2 échecs flaky, vérifier le test ciblé à la main puis committer avec `--no-verify`.
+- Ne PAS toucher / committer `nuxt.config.ts` (modif ngrok locale intentionnelle). Stager des fichiers explicites, jamais `git add -A`.
+- Aucune API publique des 4 composants consommateurs ne change.
+
+---
+
+### Task 1: Helpers de plage mois/année (`dateFormat.ts`)
+
+**Files:**
+- Modify: `app/components/malio/date/composables/dateFormat.ts`
+- Test: `app/components/malio/date/composables/dateFormat.test.ts`
+
+**Interfaces:**
+- Consumes: rien.
+- Produces:
+  - `isMonthInRange(year: number, month: number, min?: string, max?: string): boolean` (month 0-11)
+  - `isYearInRange(year: number, min?: string, max?: string): boolean`
+
+- [ ] **Step 1: Write the failing tests**
+
+Ajouter dans `dateFormat.test.ts` — l'import en tête devient :
+```ts
+import {formatIsoToDisplay, isDateInRange, isMonthInRange, isValidIso, isYearInRange, parseDisplayToIso} from './dateFormat'
+```
+Puis ajouter ces deux blocs `describe` à l'intérieur du `describe('dateFormat', …)` (après le bloc `isDateInRange`) :
+```ts
+  describe('isMonthInRange', () => {
+    it('returns true when no bounds are given', () => {
+      expect(isMonthInRange(2026, 4)).toBe(true)
+    })
+    it('respects the min bound by month (inclusive)', () => {
+      expect(isMonthInRange(2026, 4, '2026-05-10')).toBe(true) // mai chevauche
+      expect(isMonthInRange(2026, 3, '2026-05-10')).toBe(false) // avril < mai
+    })
+    it('respects the max bound by month (inclusive)', () => {
+      expect(isMonthInRange(2026, 4, undefined, '2026-05-31')).toBe(true)
+      expect(isMonthInRange(2026, 5, undefined, '2026-05-31')).toBe(false) // juin > mai
+    })
+    it('disables months in years outside the range', () => {
+      expect(isMonthInRange(2025, 11, '2026-05-10')).toBe(false)
+      expect(isMonthInRange(2027, 0, undefined, '2026-05-31')).toBe(false)
+    })
+  })
+
+  describe('isYearInRange', () => {
+    it('returns true when no bounds are given', () => {
+      expect(isYearInRange(2026)).toBe(true)
+    })
+    it('respects the min bound by year (inclusive)', () => {
+      expect(isYearInRange(2026, '2026-05-10')).toBe(true)
+      expect(isYearInRange(2025, '2026-05-10')).toBe(false)
+    })
+    it('respects the max bound by year (inclusive)', () => {
+      expect(isYearInRange(2026, undefined, '2026-05-31')).toBe(true)
+      expect(isYearInRange(2027, undefined, '2026-05-31')).toBe(false)
+    })
+  })
+```
+
+- [ ] **Step 2: Run tests to verify they fail**
+
+Run: `npx vitest run app/components/malio/date/composables/dateFormat.test.ts`
+Expected: FAIL — `isMonthInRange is not a function` / `isYearInRange is not a function`.
+
+- [ ] **Step 3: Write minimal implementation**
+
+Ajouter à la fin de `dateFormat.ts` :
+```ts
+export function isMonthInRange(year: number, month: number, min?: string, max?: string): boolean {
+  const ym = `${year}-${String(month + 1).padStart(2, '0')}`
+  if (min && ym < min.slice(0, 7)) return false
+  if (max && ym > max.slice(0, 7)) return false
+  return true
+}
+
+export function isYearInRange(year: number, min?: string, max?: string): boolean {
+  if (min && year < Number(min.slice(0, 4))) return false
+  if (max && year > Number(max.slice(0, 4))) return false
+  return true
+}
+```
+
+- [ ] **Step 4: Run tests to verify they pass**
+
+Run: `npx vitest run app/components/malio/date/composables/dateFormat.test.ts`
+Expected: PASS (tous les blocs, anciens + nouveaux).
+
+- [ ] **Step 5: Commit**
+
+```bash
+git add app/components/malio/date/composables/dateFormat.ts app/components/malio/date/composables/dateFormat.test.ts
+git commit -m "feat : helpers isMonthInRange/isYearInRange (#date-year-picker)
+
+Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>"
+```
+
+---
+
+### Task 2: Machine à états 3 vues (`useCalendarPopover.ts`)
+
+**Files:**
+- Modify: `app/components/malio/date/composables/useCalendarPopover.ts`
+- Test: `app/components/malio/date/composables/useCalendarPopover.test.ts`
+
+**Interfaces:**
+- Consumes: rien.
+- Produces (retour du composable) : `{isOpen, viewMode, open, close, goToHigherView}` où `viewMode: Ref<'days' | 'months' | 'years'>` et `goToHigherView(): void`. **Remplace `toggleView`.**
+
+- [ ] **Step 1: Update the failing test**
+
+Dans `useCalendarPopover.test.ts`, remplacer le test `toggleView() switches between days and months` (lignes ~33-40) par :
+```ts
+  it('goToHigherView() climbs days -> months -> years and stops', () => {
+    const {api} = mountHost()
+    api.open()
+    api.goToHigherView()
+    expect(api.viewMode.value).toBe('months')
+    api.goToHigherView()
+    expect(api.viewMode.value).toBe('years')
+    api.goToHigherView()
+    expect(api.viewMode.value).toBe('years') // no-op au niveau le plus haut
+  })
+```
+Et dans le test `close() resets isOpen and viewMode` (lignes ~42-49), remplacer `api.toggleView()` par `api.goToHigherView()`.
+
+- [ ] **Step 2: Run test to verify it fails**
+
+Run: `npx vitest run app/components/malio/date/composables/useCalendarPopover.test.ts`
+Expected: FAIL — `api.goToHigherView is not a function`.
+
+- [ ] **Step 3: Write minimal implementation**
+
+Dans `useCalendarPopover.ts`, remplacer la ligne du ref et la fonction `toggleView` :
+```ts
+  const viewMode = ref<'days' | 'months' | 'years'>('days')
+```
+```ts
+  const goToHigherView = () => {
+    if (viewMode.value === 'days') viewMode.value = 'months'
+    else if (viewMode.value === 'months') viewMode.value = 'years'
+    // 'years' : niveau le plus haut, no-op
+  }
+```
+Et le `return` :
+```ts
+  return {isOpen, viewMode, open, close, goToHigherView}
+```
+
+- [ ] **Step 4: Run test to verify it passes**
+
+Run: `npx vitest run app/components/malio/date/composables/useCalendarPopover.test.ts`
+Expected: PASS.
+
+- [ ] **Step 5: Commit**
+
+```bash
+git add app/components/malio/date/composables/useCalendarPopover.ts app/components/malio/date/composables/useCalendarPopover.test.ts
+git commit -m "feat : viewMode 3 niveaux + goToHigherView (#date-year-picker)
+
+Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>"
+```
+
+---
+
+### Task 3: Navigation & fenêtre d'années (`useCalendarView.ts`)
+
+**Files:**
+- Modify: `app/components/malio/date/composables/useCalendarView.ts`
+- Test: `app/components/malio/date/composables/useCalendarView.test.ts`
+
+**Interfaces:**
+- Consumes: `viewMode: Ref<'days' | 'months' | 'years'>` (depuis Task 2).
+- Produces (retour) : `{currentMonth, currentYear, yearPageStart, goToPrev, goToNext, selectMonth, selectYear, syncToIso}` où `yearPageStart: Ref<number>` et `selectYear(y: number): void`.
+
+- [ ] **Step 1: Write the failing tests**
+
+Dans `useCalendarView.test.ts` : ajouter l'import de `nextTick` en tête :
+```ts
+import {nextTick, ref} from 'vue'
+```
+Puis ajouter ces tests dans le `describe('useCalendarView', …)` :
+```ts
+  it('paginates years by 12 in years view', () => {
+    const {yearPageStart, goToNext, goToPrev} = useCalendarView(ref('years'))
+    const start = yearPageStart.value
+    goToNext()
+    expect(yearPageStart.value).toBe(start + 12)
+    goToPrev()
+    expect(yearPageStart.value).toBe(start)
+  })
+
+  it('selectYear sets the current year', () => {
+    const {currentYear, selectYear} = useCalendarView(ref('days'))
+    selectYear(2030)
+    expect(currentYear.value).toBe(2030)
+  })
+
+  it('recenters the year page on entering years view (current - 5)', async () => {
+    const mode = ref<'days' | 'months' | 'years'>('days')
+    const {yearPageStart} = useCalendarView(mode)
+    mode.value = 'years'
+    await nextTick()
+    expect(yearPageStart.value).toBe(2021) // 2026 - 5
+  })
+```
+
+- [ ] **Step 2: Run tests to verify they fail**
+
+Run: `npx vitest run app/components/malio/date/composables/useCalendarView.test.ts`
+Expected: FAIL — `yearPageStart` / `selectYear` undefined.
+
+- [ ] **Step 3: Write minimal implementation**
+
+Dans `useCalendarView.ts` :
+
+Élargir la signature et importer `watch` :
+```ts
+import {ref, watch, type Ref} from 'vue'
+import {isValidIso} from './dateFormat'
+
+export function useCalendarView(viewMode: Ref<'days' | 'months' | 'years'>) {
+  const today = new Date()
+  const currentMonth = ref(today.getMonth())
+  const currentYear = ref(today.getFullYear())
+  const yearPageStart = ref(today.getFullYear() - 5)
+
+  watch(viewMode, (mode) => {
+    if (mode === 'years') yearPageStart.value = currentYear.value - 5
+  })
+```
+
+Dans `goToPrev`, ajouter la branche `years` en tête :
+```ts
+  const goToPrev = () => {
+    if (viewMode.value === 'years') {
+      yearPageStart.value -= 12
+      return
+    }
+    if (viewMode.value === 'months') {
+      currentYear.value -= 1
+      return
+    }
+    if (currentMonth.value === 0) {
+      currentMonth.value = 11
+      currentYear.value -= 1
+    } else {
+      currentMonth.value -= 1
+    }
+  }
+```
+
+Dans `goToNext`, idem :
+```ts
+  const goToNext = () => {
+    if (viewMode.value === 'years') {
+      yearPageStart.value += 12
+      return
+    }
+    if (viewMode.value === 'months') {
+      currentYear.value += 1
+      return
+    }
+    if (currentMonth.value === 11) {
+      currentMonth.value = 0
+      currentYear.value += 1
+    } else {
+      currentMonth.value += 1
+    }
+  }
+```
+
+Ajouter `selectYear` après `selectMonth` :
+```ts
+  const selectYear = (y: number) => {
+    currentYear.value = y
+  }
+```
+
+Mettre à jour le `return` :
+```ts
+  return {currentMonth, currentYear, yearPageStart, goToPrev, goToNext, selectMonth, selectYear, syncToIso}
+```
+
+- [ ] **Step 4: Run tests to verify they pass**
+
+Run: `npx vitest run app/components/malio/date/composables/useCalendarView.test.ts`
+Expected: PASS (anciens + nouveaux).
+
+- [ ] **Step 5: Commit**
+
+```bash
+git add app/components/malio/date/composables/useCalendarView.ts app/components/malio/date/composables/useCalendarView.test.ts
+git commit -m "feat : pagination des années + selectYear + recentrage (#date-year-picker)
+
+Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>"
+```
+
+---
+
+### Task 4: Header contextuel (`CalendarHeader.vue`)
+
+**Files:**
+- Modify: `app/components/malio/date/internal/CalendarHeader.vue`
+
+**Interfaces:**
+- Consumes: `viewMode`, `currentMonth`, `currentYear`, `yearPageStart` (props).
+- Produces: émet `prev` / `next` / `toggle-view` (inchangé). En vue `years`, le bouton libellé n'émet pas `toggle-view` et ne montre pas le chevron-bas.
+
+> Pas de test colocalisé pour `CalendarHeader` (l'existant n'en a pas) — vérifié via l'e2e en Task 8. Ce Task est purement implémentation ; pas de cycle test propre, donc on le commit avec son cycle de vérification = build/lint + e2e en Task 8. Le step de vérif ci-dessous est un contrôle visuel du diff.
+
+- [ ] **Step 1: Implement the contextual label and years behavior**
+
+Remplacer le `<template>` par :
+```vue
+<template>
+  <div class="flex h-[36px] justify-between border-b border-black/60 mb-3">
+    <button
+      type="button"
+      data-test="header-prev"
+      class="ml-2 flex self-start rounded"
+      :aria-label="prevLabel"
+      @click="emit('prev')"
+    >
+      <Icon
+        icon="mdi:chevron-left"
+        :width="25"
+        :height="25"
+      />
+    </button>
+
+    <button
+      type="button"
+      data-test="header-toggle"
+      class="flex gap-1 rounded text-base font-medium"
+      @click="viewMode !== 'years' && emit('toggle-view')"
+    >
+      <span class="mt-[2px]">{{ label }}</span>
+      <Icon
+        v-if="viewMode !== 'years'"
+        icon="mdi:chevron-down"
+        :width="25"
+        :height="25"
+      />
+    </button>
+
+    <button
+      type="button"
+      data-test="header-next"
+      class="mr-2 flex self-start rounded"
+      :aria-label="nextLabel"
+      @click="emit('next')"
+    >
+      <Icon
+        icon="mdi:chevron-right"
+        :width="25"
+        :height="25"
+      />
+    </button>
+  </div>
+</template>
+```
+
+Dans le `<script setup>` : élargir le type `viewMode`, ajouter `yearPageStart`, et calculer `label` + `prevLabel` + `nextLabel` :
+```ts
+const props = defineProps<{
+  viewMode: 'days' | 'months' | 'years'
+  currentMonth: number
+  currentYear: number
+  yearPageStart: number
+}>()
+```
+```ts
+const label = computed(() => {
+  if (props.viewMode === 'years') return `${props.yearPageStart} – ${props.yearPageStart + 11}`
+  if (props.viewMode === 'months') return `${props.currentYear}`
+  const name = monthsLong[props.currentMonth]
+  return `${name.charAt(0).toUpperCase()}${name.slice(1)} ${props.currentYear}`
+})
+
+const prevLabel = computed(() =>
+  props.viewMode === 'days' ? 'Mois précédent'
+    : props.viewMode === 'months' ? 'Année précédente'
+      : 'Période précédente',
+)
+const nextLabel = computed(() =>
+  props.viewMode === 'days' ? 'Mois suivant'
+    : props.viewMode === 'months' ? 'Année suivante'
+      : 'Période suivante',
+)
+```
+(Supprimer les anciens `:aria-label` ternaires inline du template — remplacés par `prevLabel`/`nextLabel`.)
+
+- [ ] **Step 2: Lint the file**
+
+Run: `npx eslint app/components/malio/date/internal/CalendarHeader.vue`
+Expected: aucune erreur.
+
+- [ ] **Step 3: Commit**
+
+```bash
+git add app/components/malio/date/internal/CalendarHeader.vue
+git commit -m "feat : header contextuel jours/mois/années (#date-year-picker)
+
+Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>"
+```
+
+---
+
+### Task 5: Composant `YearPicker.vue` + tests
+
+**Files:**
+- Create: `app/components/malio/date/internal/YearPicker.vue`
+- Test: `app/components/malio/date/internal/YearPicker.test.ts`
+
+**Interfaces:**
+- Consumes: `isYearInRange` (Task 1).
+- Produces: composant `<YearPicker :page-start :selected-year? :min? :max? @select="(year:number)=>…" />`. Rend 12 boutons `data-test="year"` avec `data-year`. Conteneur `data-test="year-picker"`.
+
+- [ ] **Step 1: Write the failing test**
+
+Créer `app/components/malio/date/internal/YearPicker.test.ts` :
+```ts
+import {describe, expect, it} from 'vitest'
+import {mount} from '@vue/test-utils'
+import YearPicker from './YearPicker.vue'
+
+const mountPicker = (props: {pageStart: number, selectedYear?: number, min?: string, max?: string}) =>
+  mount(YearPicker, {props})
+
+describe('MalioDateYearPicker', () => {
+  it('renders 12 years from pageStart', () => {
+    const wrapper = mountPicker({pageStart: 2021})
+    const years = wrapper.findAll('[data-test="year"]')
+    expect(years).toHaveLength(12)
+    expect(years[0].attributes('data-year')).toBe('2021')
+    expect(years[11].attributes('data-year')).toBe('2032')
+  })
+
+  it('emits select with the clicked year', async () => {
+    const wrapper = mountPicker({pageStart: 2021})
+    await wrapper.get('[data-test="year"][data-year="2026"]').trigger('click')
+    expect(wrapper.emitted('select')?.[0]).toEqual([2026])
+  })
+
+  it('disables years outside [min, max] and does not emit', async () => {
+    const wrapper = mountPicker({pageStart: 2021, min: '2025-01-01', max: '2027-12-31'})
+    const out = wrapper.get('[data-test="year"][data-year="2024"]')
+    expect(out.attributes('disabled')).toBeDefined()
+    await out.trigger('click')
+    expect(wrapper.emitted('select')).toBeUndefined()
+  })
+
+  it('highlights the selected year', () => {
+    const wrapper = mountPicker({pageStart: 2021, selectedYear: 2026})
+    const span = wrapper.get('[data-test="year"][data-year="2026"] span')
+    expect(span.classes()).toContain('bg-m-primary')
+  })
+})
+```
+
+- [ ] **Step 2: Run test to verify it fails**
+
+Run: `npx vitest run app/components/malio/date/internal/YearPicker.test.ts`
+Expected: FAIL — impossible de résoudre `./YearPicker.vue`.
+
+- [ ] **Step 3: Write the component**
+
+Créer `app/components/malio/date/internal/YearPicker.vue` :
+```vue
+<template>
+  <div
+    data-test="year-picker"
+    class="grid grid-cols-3 gap-3"
+  >
+    <button
+      v-for="year in years"
+      :key="year"
+      type="button"
+      data-test="year"
+      :data-year="year"
+      :disabled="!isYearInRange(year, min, max)"
+      :aria-disabled="!isYearInRange(year, min, max)"
+      class="flex h-[45px] w-full items-center justify-center"
+      :class="isYearInRange(year, min, max) ? 'cursor-pointer' : 'cursor-not-allowed'"
+      @click="emit('select', year)"
+    >
+      <span
+        class="flex h-[30px] w-full items-center justify-center rounded text-sm transition-colors duration-100"
+        :class="year === selectedYear
+          ? 'bg-m-primary text-white'
+          : isYearInRange(year, min, max)
+            ? 'text-black hover:bg-m-primary/10'
+            : 'text-m-muted/30'"
+      >
+        {{ year }}
+      </span>
+    </button>
+  </div>
+</template>
+
+<script setup lang="ts">
+import {computed} from 'vue'
+import {isYearInRange} from '../composables/dateFormat'
+
+defineOptions({name: 'MalioDateYearPicker'})
+
+const props = defineProps<{
+  pageStart: number
+  selectedYear?: number
+  min?: string
+  max?: string
+}>()
+
+const emit = defineEmits<{(e: 'select', year: number): void}>()
+
+const years = computed(() => Array.from({length: 12}, (_, i) => props.pageStart + i))
+</script>
+```
+
+> Note : `@click` émet toujours, mais un `<button disabled>` ne déclenche pas l'événement clic dans jsdom/navigateur — le test « does not emit » le valide.
+
+- [ ] **Step 4: Run test to verify it passes**
+
+Run: `npx vitest run app/components/malio/date/internal/YearPicker.test.ts`
+Expected: PASS.
+
+- [ ] **Step 5: Commit**
+
+```bash
+git add app/components/malio/date/internal/YearPicker.vue app/components/malio/date/internal/YearPicker.test.ts
+git commit -m "feat : composant YearPicker avec bornage min/max (#date-year-picker)
+
+Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>"
+```
+
+---
+
+### Task 6: Bornage min/max du `MonthPicker` + tests
+
+**Files:**
+- Modify: `app/components/malio/date/internal/MonthPicker.vue`
+- Test (create): `app/components/malio/date/internal/MonthPicker.test.ts`
+
+**Interfaces:**
+- Consumes: `isMonthInRange` (Task 1).
+- Produces: `<MonthPicker :selected-month? :current-year :min? :max? @select="(month:number)=>…" />`. `currentYear` devient **requis** (nécessaire pour borner les mois).
+
+- [ ] **Step 1: Write the failing test**
+
+Créer `app/components/malio/date/internal/MonthPicker.test.ts` :
+```ts
+import {describe, expect, it} from 'vitest'
+import {mount} from '@vue/test-utils'
+import MonthPicker from './MonthPicker.vue'
+
+const mountPicker = (props: {currentYear: number, selectedMonth?: number, min?: string, max?: string}) =>
+  mount(MonthPicker, {props})
+
+describe('MalioDateMonthPicker', () => {
+  it('renders 12 months', () => {
+    const wrapper = mountPicker({currentYear: 2026})
+    expect(wrapper.findAll('[data-test="month"]')).toHaveLength(12)
+  })
+
+  it('emits select with the clicked month index', async () => {
+    const wrapper = mountPicker({currentYear: 2026})
+    await wrapper.get('[data-test="month"][data-month="0"]').trigger('click')
+    expect(wrapper.emitted('select')?.[0]).toEqual([0])
+  })
+
+  it('disables months before min in the current year and does not emit', async () => {
+    const wrapper = mountPicker({currentYear: 2026, min: '2026-05-01'})
+    const april = wrapper.get('[data-test="month"][data-month="3"]')
+    expect(april.attributes('disabled')).toBeDefined()
+    await april.trigger('click')
+    expect(wrapper.emitted('select')).toBeUndefined()
+  })
+
+  it('disables months after max in the current year', () => {
+    const wrapper = mountPicker({currentYear: 2026, max: '2026-05-31'})
+    expect(wrapper.get('[data-test="month"][data-month="5"]').attributes('disabled')).toBeDefined()
+    expect(wrapper.get('[data-test="month"][data-month="4"]').attributes('disabled')).toBeUndefined()
+  })
+})
+```
+
+- [ ] **Step 2: Run test to verify it fails**
+
+Run: `npx vitest run app/components/malio/date/internal/MonthPicker.test.ts`
+Expected: FAIL — le mois avril n'est pas désactivé (`disabled` undefined).
+
+- [ ] **Step 3: Update the component**
+
+Remplacer `MonthPicker.vue` par :
+```vue
+<template>
+  <div
+    data-test="month-picker"
+    class="grid grid-cols-3 gap-3"
+  >
+    <button
+      v-for="(name, index) in months"
+      :key="name"
+      type="button"
+      data-test="month"
+      :data-month="index"
+      :disabled="!isMonthInRange(currentYear, index, min, max)"
+      :aria-disabled="!isMonthInRange(currentYear, index, min, max)"
+      class="flex h-[45px] w-full items-center justify-center"
+      :class="isMonthInRange(currentYear, index, min, max) ? 'cursor-pointer' : 'cursor-not-allowed'"
+      @click="emit('select', index)"
+    >
+      <span
+        class="flex h-[30px] w-full items-center justify-center rounded text-sm transition-colors duration-100"
+        :class="index === selectedMonth
+          ? 'bg-m-primary text-white'
+          : isMonthInRange(currentYear, index, min, max)
+            ? 'text-black hover:bg-m-primary/10'
+            : 'text-m-muted/30'"
+      >
+        {{ name }}
+      </span>
+    </button>
+  </div>
+</template>
+
+<script setup lang="ts">
+import {isMonthInRange} from '../composables/dateFormat'
+
+defineOptions({name: 'MalioDateMonthPicker'})
+
+defineProps<{
+  currentYear: number
+  selectedMonth?: number
+  min?: string
+  max?: string
+}>()
+
+const emit = defineEmits<{(e: 'select', month: number): void}>()
+
+const months = ['Janvier', 'Février', 'Mars', 'Avril', 'Mai', 'Juin',
+  'Juillet', 'Août', 'Septembre', 'Octobre', 'Novembre', 'Décembre']
+</script>
+```
+
+- [ ] **Step 4: Run test to verify it passes**
+
+Run: `npx vitest run app/components/malio/date/internal/MonthPicker.test.ts`
+Expected: PASS.
+
+- [ ] **Step 5: Commit**
+
+```bash
+git add app/components/malio/date/internal/MonthPicker.vue app/components/malio/date/internal/MonthPicker.test.ts
+git commit -m "feat : bornage min/max du MonthPicker (#date-year-picker)
+
+Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>"
+```
+
+---
+
+### Task 7: Câblage `CalendarField.vue`
+
+**Files:**
+- Modify: `app/components/malio/date/internal/CalendarField.vue`
+
+**Interfaces:**
+- Consumes: `useCalendarPopover` (`goToHigherView`), `useCalendarView` (`yearPageStart`, `selectYear`), `CalendarHeader` (prop `yearPageStart`), `MonthPicker` (props `currentYear`/`min`/`max`), `YearPicker` (Task 5).
+- Produces: `CalendarField` accepte les props `min?: string` et `max?: string` ; rend les 3 vues.
+
+> Vérifié via l'e2e en Task 8 (pas de test colocalisé propre à `CalendarField`). Steps = implémentation + lint, le cycle test rouge/vert vit en Task 8.
+
+- [ ] **Step 1: Add min/max props**
+
+Dans le bloc `defineProps`, ajouter `min` et `max` (après `reserveMessageSpace?: boolean`) :
+```ts
+    reserveMessageSpace?: boolean
+    min?: string
+    max?: string
+```
+Et dans `withDefaults({...})`, après `reserveMessageSpace: true,` :
+```ts
+    reserveMessageSpace: true,
+    min: undefined,
+    max: undefined,
+```
+
+- [ ] **Step 2: Import YearPicker and update composable destructuring**
+
+Après `import MonthPicker from './MonthPicker.vue'` :
+```ts
+import YearPicker from './YearPicker.vue'
+```
+Remplacer les deux lignes de destructuration (≈218-219) :
+```ts
+const {isOpen, viewMode, open, close: closePopover, goToHigherView} = useCalendarPopover(root)
+const {currentMonth, currentYear, yearPageStart, goToPrev, goToNext, selectMonth, selectYear, syncToIso} = useCalendarView(viewMode)
+```
+
+- [ ] **Step 3: Update the popover template**
+
+Remplacer le bloc `<CalendarHeader>` + `<slot>` + `<MonthPicker>` (≈85-103) par :
+```vue
+        <CalendarHeader
+          :view-mode="viewMode"
+          :current-month="currentMonth"
+          :current-year="currentYear"
+          :year-page-start="yearPageStart"
+          @prev="goToPrev"
+          @next="goToNext"
+          @toggle-view="goToHigherView"
+        />
+        <slot
+          v-if="viewMode === 'days'"
+          :current-month="currentMonth"
+          :current-year="currentYear"
+          :close="closePopover"
+        />
+        <MonthPicker
+          v-else-if="viewMode === 'months'"
+          :selected-month="currentMonth"
+          :current-year="currentYear"
+          :min="min"
+          :max="max"
+          @select="onSelectMonth"
+        />
+        <YearPicker
+          v-else
+          :page-start="yearPageStart"
+          :selected-year="currentYear"
+          :min="min"
+          :max="max"
+          @select="onSelectYear"
+        />
+```
+
+- [ ] **Step 4: Update handlers**
+
+`goToHigherView` ne sert qu'au header (zoom arrière). À la **sélection**, on redescend d'un niveau. `useCalendarPopover` n'expose pas de setter de vue, mais `viewMode` est un `ref` déstructuré et donc directement mutable. Remplacer `onSelectMonth` (≈324-327) par les deux handlers suivants :
+```ts
+const onSelectMonth = (m: number) => {
+  selectMonth(m)
+  viewMode.value = 'days'
+}
+
+const onSelectYear = (y: number) => {
+  selectYear(y)
+  viewMode.value = 'months'
+}
+```
+
+- [ ] **Step 5: Lint**
+
+Run: `npx eslint app/components/malio/date/internal/CalendarField.vue`
+Expected: aucune erreur (notamment, `viewMode` est bien mutable car c'est un `ref`).
+
+- [ ] **Step 6: Commit**
+
+```bash
+git add app/components/malio/date/internal/CalendarField.vue
+git commit -m "feat : intégration du sélecteur d'année dans CalendarField (#date-year-picker)
+
+Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>"
+```
+
+---
+
+### Task 8: Binder min/max chez les consommateurs + e2e
+
+**Files:**
+- Modify: `app/components/malio/date/Date.vue`
+- Modify: `app/components/malio/date/DateRange.vue`
+- Modify: `app/components/malio/date/DateTime.vue`
+- Modify: `app/components/malio/date/DateWeek.vue`
+- Test: `app/components/malio/date/Date.test.ts`
+
+**Interfaces:**
+- Consumes: `CalendarField` props `min`/`max` (Task 7).
+- Produces: les 4 composants propagent leurs bornes au popover. API publique inchangée.
+
+- [ ] **Step 1: Write the failing e2e test**
+
+Dans `Date.test.ts`, à l'intérieur du `describe('vue mois', …)` (ou un nouveau `describe('vue années')`), ajouter :
+```ts
+  describe('vue années', () => {
+    it('opens the year picker on second header toggle', async () => {
+      const wrapper = mountDate()
+      await wrapper.get('[data-test="date-input"]').trigger('click')
+      await wrapper.get('[data-test="header-toggle"]').trigger('click') // -> mois
+      await wrapper.get('[data-test="header-toggle"]').trigger('click') // -> années
+      expect(wrapper.find('[data-test="year-picker"]').exists()).toBe(true)
+      expect(wrapper.get('[data-test="header-toggle"]').text()).toContain('2021 – 2032')
+    })
+
+    it('navigates days -> months -> years -> months -> days', async () => {
+      const wrapper = mountDate()
+      await wrapper.get('[data-test="date-input"]').trigger('click')
+      await wrapper.get('[data-test="header-toggle"]').trigger('click')
+      await wrapper.get('[data-test="header-toggle"]').trigger('click')
+      await wrapper.get('[data-test="year"][data-year="2024"]').trigger('click') // -> mois 2024
+      expect(wrapper.find('[data-test="month-picker"]').exists()).toBe(true)
+      expect(wrapper.get('[data-test="header-toggle"]').text()).toContain('2024')
+      await wrapper.get('[data-test="month"][data-month="0"]').trigger('click') // -> jours
+      expect(wrapper.find('[data-test="month-picker"]').exists()).toBe(false)
+      expect(wrapper.get('[data-test="header-toggle"]').text()).toContain('Janvier 2024')
+      expect(wrapper.emitted('update:modelValue')).toBeUndefined()
+    })
+
+    it('paginates the year window with chevrons', async () => {
+      const wrapper = mountDate()
+      await wrapper.get('[data-test="date-input"]').trigger('click')
+      await wrapper.get('[data-test="header-toggle"]').trigger('click')
+      await wrapper.get('[data-test="header-toggle"]').trigger('click')
+      await wrapper.get('[data-test="header-next"]').trigger('click')
+      expect(wrapper.get('[data-test="header-toggle"]').text()).toContain('2033 – 2044')
+    })
+
+    it('greys out years outside [min, max]', async () => {
+      const wrapper = mountDate({min: '2025-01-01', max: '2027-12-31'})
+      await wrapper.get('[data-test="date-input"]').trigger('click')
+      await wrapper.get('[data-test="header-toggle"]').trigger('click')
+      await wrapper.get('[data-test="header-toggle"]').trigger('click')
+      expect(wrapper.get('[data-test="year"][data-year="2024"]').attributes('disabled')).toBeDefined()
+      expect(wrapper.get('[data-test="year"][data-year="2026"]').attributes('disabled')).toBeUndefined()
+    })
+  })
+```
+
+- [ ] **Step 2: Run test to verify it fails**
+
+Run: `npx vitest run app/components/malio/date/Date.test.ts`
+Expected: FAIL — `year-picker` introuvable (Date.vue ne passe pas encore `min`/`max` à `CalendarField`).
+
+- [ ] **Step 3: Bind min/max on each consumer's `<CalendarField>`**
+
+Dans `Date.vue`, `DateRange.vue`, `DateWeek.vue` : ajouter sur la balise racine `<CalendarField …>` (au même niveau que les autres props, ex. après `:readonly="readonly"`) :
+```vue
+    :min="min"
+    :max="max"
+```
+Dans `DateTime.vue` : ajouter (les bornes y sont des `YYYY-MM-DDTHH:MM`, tronquer à la date) :
+```vue
+    :min="min?.slice(0, 10)"
+    :max="max?.slice(0, 10)"
+```
+
+- [ ] **Step 4: Run test to verify it passes**
+
+Run: `npx vitest run app/components/malio/date/Date.test.ts`
+Expected: PASS (anciens + nouveaux).
+
+- [ ] **Step 5: Run the whole date suite (non-régression)**
+
+Run: `npx vitest run app/components/malio/date/`
+Expected: PASS — `Date`, `DateRange`, `DateTime`, `DateWeek`, composables, pickers. (En cas de timeout flaky WSL2, relancer ; voir Global Constraints.)
+
+- [ ] **Step 6: Commit**
+
+```bash
+git add app/components/malio/date/Date.vue app/components/malio/date/DateRange.vue app/components/malio/date/DateTime.vue app/components/malio/date/DateWeek.vue app/components/malio/date/Date.test.ts
+git commit -m "feat : propage min/max au popover + e2e sélecteur d'année (#date-year-picker)
+
+Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>"
+```
+
+---
+
+### Task 9: Documentation (`COMPONENTS.md`, `CHANGELOG.md`)
+
+**Files:**
+- Modify: `COMPONENTS.md`
+- Modify: `CHANGELOG.md`
+
+**Interfaces:**
+- Consumes: comportement livré aux tasks 1-8.
+- Produces: doc à jour (convention projet : maj manuelle).
+
+- [ ] **Step 1: Locate the date section in COMPONENTS.md**
+
+Run: `grep -nE "MalioDate|Date|calendrier|sélecteur" COMPONENTS.md | head -20`
+Expected: repère la section calendrier/date. Si aucune entrée, l'ajouter à la suite des autres composants date.
+
+- [ ] **Step 2: Document the 3-level navigation**
+
+Ajouter (dans la section du calendrier date) une description du 3ᵉ niveau :
+```markdown
+Le calendrier propose trois niveaux de navigation : jours → clic sur l'en-tête →
+sélecteur de mois → nouveau clic sur l'en-tête → sélecteur d'année (grille de 12 ans,
+chevrons par pas de 12 ans). Les props `min`/`max` grisent les mois et les années hors
+plage. Sélectionner une année revient au sélecteur de mois, sélectionner un mois revient
+à la grille de jours.
+```
+
+- [ ] **Step 3: Add a CHANGELOG entry**
+
+Sous la section non publiée (ou en tête, selon le format existant — vérifier `head -20 CHANGELOG.md`) :
+```markdown
+- Calendrier (Date/DateRange/DateTime/DateWeek) : sélecteur d'année (3ᵉ niveau) et
+  grisage des mois/années hors `min`/`max`.
+```
+
+- [ ] **Step 4: Commit**
+
+```bash
+git add COMPONENTS.md CHANGELOG.md
+git commit -m "docs : sélecteur d'année dans le calendrier (#date-year-picker)
+
+Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>"
+```
+
+---
+
+## Notes de vérification finale
+
+- Suite ciblée complète : `npx vitest run app/components/malio/date/`
+- Lint global : `npm run lint`
+- Vérif manuelle navigateur : **proposer** à l'utilisateur (ne pas lancer le MCP Chrome sans accord — coût tokens). Parcours : ouvrir un `MalioDate`, cliquer le header 2× → grille d'années, paginer, choisir une année puis un mois, et tester un champ avec `min`/`max` pour voir le grisage.