feat : story et page playground de MalioDateRange (#MUI-33)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.playground/pages/composant/date/dateRange.vue

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+<template>
+  <div class="max-w-md space-y-6">
+    <h1 class="text-2xl font-bold">MalioDateRange</h1>
+
+    <MalioDateRange
+      v-model="value"
+      label="Période"
+      hint="Clique deux fois pour définir une plage"
+    />
+
+    <div class="rounded border p-3 text-sm">
+      <p>Début : <code>{{ value?.start ?? 'null' }}</code></p>
+      <p>Fin : <code>{{ value?.end ?? 'null' }}</code></p>
+    </div>
+
+    <div class="flex gap-2">
+      <button
+        type="button"
+        class="rounded bg-m-primary px-3 py-1.5 text-white"
+        @click="value = {start: '2026-12-20', end: '2026-12-31'}"
+      >
+        Forcer 20→31/12/2026
+      </button>
+      <button
+        type="button"
+        class="rounded border px-3 py-1.5"
+        @click="value = null"
+      >
+        Réinitialiser
+      </button>
+    </div>
+
+    <MalioDateRange
+      v-model="bounded"
+      label="Plage bornée"
+      :min="todayIso"
+      :max="maxIso"
+      hint="Entre aujourd'hui et +30 jours"
+    />
+  </div>
+</template>
+
+<script setup lang="ts">
+import {ref} from 'vue'
+
+type RangeValue = {start: string; end: string}
+
+const pad = (n: number) => String(n).padStart(2, '0')
+const toIso = (d: Date) => `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())}`
+const now = new Date()
+const todayIso = toIso(now)
+const maxIso = toIso(new Date(now.getTime() + 30 * 86400000))
+
+const value = ref<RangeValue | null>(null)
+const bounded = ref<RangeValue | null>(null)
+</script>

app/story/date/dateRange.story.vue

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+<template>
+  <Story title="Date/DateRange">
+    <div class="grid grid-cols-1 items-start gap-6 md:grid-cols-2">
+      <div class="rounded-lg border p-4">
+        <h2 class="mb-4 text-xl font-bold">Simple</h2>
+        <MalioDateRange
+          v-model="simpleValue"
+          label="Période"
+        />
+      </div>
+
+      <div class="rounded-lg border p-4">
+        <h2 class="mb-4 text-xl font-bold">Valeur initiale</h2>
+        <MalioDateRange
+          v-model="initialValue"
+          label="Séjour"
+        />
+      </div>
+
+      <div class="rounded-lg border p-4">
+        <h2 class="mb-4 text-xl font-bold">Avec min/max</h2>
+        <MalioDateRange
+          v-model="boundedValue"
+          label="Plage bornée"
+          :min="todayIso"
+          :max="maxIso"
+          hint="Entre aujourd'hui et +30 jours"
+        />
+      </div>
+
+      <div class="rounded-lg border p-4">
+        <h2 class="mb-4 text-xl font-bold">Non effaçable</h2>
+        <MalioDateRange
+          v-model="initialValue"
+          label="Période verrouillée"
+          :clearable="false"
+        />
+      </div>
+
+      <div class="rounded-lg border p-4">
+        <h2 class="mb-4 text-xl font-bold">Désactivé</h2>
+        <MalioDateRange
+          v-model="initialValue"
+          label="Désactivé"
+          disabled
+        />
+      </div>
+
+      <div class="rounded-lg border p-4">
+        <h2 class="mb-4 text-xl font-bold">Erreur</h2>
+        <MalioDateRange
+          v-model="errorValue"
+          label="Période"
+          error="Période invalide"
+        />
+      </div>
+    </div>
+  </Story>
+</template>
+
+<script setup lang="ts">
+import {ref} from 'vue'
+import MalioDateRange from '../../components/malio/date/DateRange.vue'
+
+type RangeValue = {start: string; end: string}
+
+const pad = (n: number) => String(n).padStart(2, '0')
+const toIso = (d: Date) => `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())}`
+const now = new Date()
+const todayIso = toIso(now)
+const maxIso = toIso(new Date(now.getTime() + 30 * 86400000))
+
+const simpleValue = ref<RangeValue | null>(null)
+const initialValue = ref<RangeValue | null>({start: todayIso, end: maxIso})
+const boundedValue = ref<RangeValue | null>(null)
+const errorValue = ref<RangeValue | null>(null)
+</script>