feat : version mobile écran Heures (jour + semaine)

- HoursDayView : cards empilées en mobile avec inputs par paire,
  pills absence/férié/formation, statut validation explicite
- HoursWeekView : cards par employé avec jours verticaux et totaux
- HoursToolbar : recherche + bouton filtre drawer en mobile,
  navigation date pleine largeur, filtres sites/vue dans drawer
- AppDrawer : ajout bouton fermer (croix) sur tous les drawers
- TimeSelect mobile : pas de dropdown, clavier numérique direct,
  arrondi au quart d'heure, clamp à 23:45 max

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/components/ui/TimeSelect.vue

@@ -23,7 +23,7 @@
       <button
         type="button"
         tabindex="-1"
-        class="inline-flex h-8 w-8 items-center justify-center rounded text-neutral-600 hover:bg-tertiary-500 disabled:cursor-not-allowed disabled:bg-neutral-200 disabled:text-neutral-500"
+        class="hidden lg:inline-flex h-8 w-8 items-center justify-center rounded text-neutral-600 hover:bg-tertiary-500 disabled:cursor-not-allowed disabled:bg-neutral-200 disabled:text-neutral-500"
         :disabled="props.disabled"
         @mousedown.prevent
         @click="toggleOpen"
@@ -149,8 +149,11 @@ const toggleOpen = () => {
   }
 }
 
+const isMobile = () => window.innerWidth < 1024
+
 const openMenu = () => {
   if (props.disabled) return
+  if (isMobile()) return
   if (!isOpen.value) {
     isOpen.value = true
     nextTick(updateMenuPosition)
@@ -165,8 +168,28 @@ const closeMenu = () => {
   isOpen.value = false
 }
 
+const snapToNearest15 = (time: string): string => {
+  const [h, m] = time.split(':').map(Number)
+  const snapped = Math.round(m / 15) * 15
+  if (snapped === 60) {
+    const newH = h + 1
+    if (newH > 23) return '23:45'
+    return `${String(newH).padStart(2, '0')}:00`
+  }
+  return `${String(h).padStart(2, '0')}:${String(snapped).padStart(2, '0')}`
+}
+
 const commitInput = () => {
-  const normalized = normalizeTypedTime(inputValue.value)
+  let value = inputValue.value
+  if (isMobile()) {
+    value = clampTime(value)
+    const normalized = normalizeTypedTime(value)
+    if (normalized !== null && normalized !== '') {
+      value = snapToNearest15(normalized)
+    }
+    inputValue.value = value
+  }
+  const normalized = normalizeTypedTime(value)
   if (normalized === null || (normalized !== '' && !timeSlots.value.includes(normalized))) {
     emit('update:modelValue', '')
     inputValue.value = ''
@@ -184,13 +207,26 @@ const onInput = (event: Event) => {
   if (masked !== inputValue.value) {
     inputValue.value = masked
   }
-  openMenu()
+  if (!isMobile()) {
+    openMenu()
+  }
+}
+
+const clampTime = (value: string): string => {
+  const normalized = normalizeTypedTime(value)
+  if (normalized === null || normalized === '') return value
+  const [h, m] = normalized.split(':').map(Number)
+  if (h > 23 || (h === 23 && m > 45)) return '23:45'
+  return normalized
 }
 
 const onInputBlur = () => {
   // Laisse le temps au click menu de passer avant fermeture.
   setTimeout(() => {
     if (menu.value?.contains(document.activeElement)) return
+    if (isMobile()) {
+      inputValue.value = clampTime(inputValue.value)
+    }
     commitInput()
   }, 50)
 }