diff --git a/frontend/components/AbsenceFormDrawer.vue b/frontend/components/AbsenceFormDrawer.vue
index 8535acb..580cb1d 100644
--- a/frontend/components/AbsenceFormDrawer.vue
+++ b/frontend/components/AbsenceFormDrawer.vue
@@ -9,6 +9,7 @@
                     id="employee"
                     v-model="absenceForm.employeeId"
                     :class="employeeFieldClass"
+                    :disabled="props.lockEmployee"
                 >
                     <option value="" disabled>Choisir un employé</option>
                     <option v-for="employee in employees" :key="employee.id" :value="employee.id">
@@ -48,6 +49,7 @@
                             v-model="absenceForm.startDate"
                             type="date"
                             class="w-full rounded-md border border-neutral-300 px-3 py-2 text-md text-neutral-900"
+                            :disabled="props.lockDates"
                         />
                         <select
                             v-model="absenceForm.startHalf"
@@ -67,6 +69,7 @@
                             v-model="absenceForm.endDate"
                             type="date"
                             class="w-full rounded-md border border-neutral-300 px-3 py-2 text-md text-neutral-900"
+                            :disabled="props.lockDates"
                         />
                         <select
                             v-model="absenceForm.endHalf"
@@ -80,7 +83,7 @@
                 </div>
             </div>
 
-            <div>
+            <div v-if="props.showComment !== false">
                 <label class="text-md font-semibold text-neutral-700" for="comment">Commentaire</label>
                 <textarea
                     id="comment"
@@ -142,6 +145,9 @@ const props = defineProps<{
     }
     editingAbsence: Absence | null
     isSubmitting: boolean
+    lockEmployee?: boolean
+    lockDates?: boolean
+    showComment?: boolean
 }>()
 
 const emit = defineEmits<{
diff --git a/frontend/components/hours/HoursDayView.vue b/frontend/components/hours/HoursDayView.vue
index d802a83..53b0e3e 100644
--- a/frontend/components/hours/HoursDayView.vue
+++ b/frontend/components/hours/HoursDayView.vue
@@ -1,5 +1,5 @@
 <template>
-  <div class="rounded-lg border border-neutral-200 bg-white overflow-hidden flex flex-1 min-h-0 flex-col">
+  <div class="rounded-lg border border-neutral-200 bg-white overflow-hidden flex min-h-0 flex-col">
     <div class="overflow-y-auto min-h-0">
       <div
         class="grid w-full min-w-0 gap-1 border-b border-neutral-200 bg-tertiary-500 px-4 py-3 text-sm font-semibold text-neutral-700 sticky top-0 z-10"
@@ -12,11 +12,22 @@
         <span class="pr-2">Fin après-midi</span>
         <span class="pl-2">Début soir</span>
         <span class="pr-2">Fin soir</span>
-        <span class="pl-2">Présent</span>
+        <span class="pl-2">Absence</span>
         <span class="pl-2">Jour</span>
         <span>Nuit</span>
         <span>Total</span>
-        <span v-if="isAdmin">Valider</span>
+        <span class="inline-flex items-center gap-2">
+          <span v-if="isAdmin">Valider</span>
+          <span v-else>Validation RH</span>
+          <input
+            v-if="isAdmin"
+            ref="bulkValidationInput"
+            :checked="isBulkValidationChecked"
+            type="checkbox"
+            class="h-4 w-4 cursor-pointer"
+            @change="onBulkValidationChange"
+          />
+        </span>
       </div>
 
       <div
@@ -33,38 +44,78 @@
           <p class="text-neutral-500 truncate">{{ employee.site?.name ?? 'Sans site' }}</p>
         </div>
         <div class="pl-4">
-          <TimeSelect v-if="isTimeTracking(employee)" v-model="rows[employee.id].morningFrom" :disabled="isRowLocked(employee.id)"/>
+          <TimeSelect
+            v-if="isTimeTracking(employee)"
+            v-model="rows[employee.id].morningFrom"
+            :disabled="isRowLocked(employee.id) || (!isAdmin && isHalfLockedByAbsence(employee.id, 'AM'))"
+          />
           <input
             v-else-if="isPresenceTracking(employee)"
             v-model="rows[employee.id].isPresentMorning"
             type="checkbox"
             class="cursor-pointer h-4 w-4"
-            :disabled="isRowLocked(employee.id)"
+            :disabled="isRowLocked(employee.id) || (!isAdmin && isHalfLockedByAbsence(employee.id, 'AM'))"
           />
         </div>
         <div class="pr-2">
-          <TimeSelect v-if="isTimeTracking(employee)" v-model="rows[employee.id].morningTo" :disabled="isRowLocked(employee.id)"/>
+          <TimeSelect
+            v-if="isTimeTracking(employee)"
+            v-model="rows[employee.id].morningTo"
+            :disabled="isRowLocked(employee.id) || (!isAdmin && isHalfLockedByAbsence(employee.id, 'AM'))"
+          />
         </div>
         <div class="pl-2">
-          <TimeSelect v-if="isTimeTracking(employee)" v-model="rows[employee.id].afternoonFrom" :disabled="isRowLocked(employee.id)"/>
+          <TimeSelect
+            v-if="isTimeTracking(employee)"
+            v-model="rows[employee.id].afternoonFrom"
+            :disabled="isRowLocked(employee.id) || (!isAdmin && isHalfLockedByAbsence(employee.id, 'PM'))"
+          />
           <input
             v-else-if="isPresenceTracking(employee)"
             v-model="rows[employee.id].isPresentAfternoon"
             type="checkbox"
             class="cursor-pointer h-4 w-4"
-            :disabled="isRowLocked(employee.id)"
+            :disabled="isRowLocked(employee.id) || (!isAdmin && isHalfLockedByAbsence(employee.id, 'PM'))"
           />
         </div>
         <div class="pr-2">
-          <TimeSelect v-if="isTimeTracking(employee)" v-model="rows[employee.id].afternoonTo" :disabled="isRowLocked(employee.id)"/>
+          <TimeSelect
+            v-if="isTimeTracking(employee)"
+            v-model="rows[employee.id].afternoonTo"
+            :disabled="isRowLocked(employee.id) || (!isAdmin && isHalfLockedByAbsence(employee.id, 'PM'))"
+          />
         </div>
         <div class="pl-2">
-          <TimeSelect v-if="isTimeTracking(employee)" v-model="rows[employee.id].eveningFrom" :disabled="isRowLocked(employee.id)"/>
+          <TimeSelect
+            v-if="isTimeTracking(employee)"
+            v-model="rows[employee.id].eveningFrom"
+            :disabled="isRowLocked(employee.id) || (!isAdmin && isEveningLockedByAbsence(employee.id))"
+          />
         </div>
         <div class="pr-2">
-          <TimeSelect v-if="isTimeTracking(employee)" v-model="rows[employee.id].eveningTo" :disabled="isRowLocked(employee.id)"/>
+          <TimeSelect
+            v-if="isTimeTracking(employee)"
+            v-model="rows[employee.id].eveningTo"
+            :disabled="isRowLocked(employee.id) || (!isAdmin && isEveningLockedByAbsence(employee.id))"
+          />
+        </div>
+        <div class="pl-2 self-stretch flex flex-col justify-between py-0.5">
+          <p
+            class="text-sm text-neutral-700 truncate"
+            :class="getRowAbsenceLabel(employee.id) ? '' : 'invisible'"
+          >
+            {{ getRowAbsenceLabel(employee.id) || '—' }}
+          </p>
+          <button
+            type="button"
+            class="self-start text-left text-xs font-semibold underline"
+            :class="isRowLocked(employee.id) ? 'text-neutral-400 cursor-not-allowed' : 'text-primary-500 cursor-pointer'"
+            :disabled="isRowLocked(employee.id)"
+            @click="onAbsenceClick(employee.id)"
+          >
+            Modifier
+          </button>
         </div>
-        <div class="pl-2"></div>
         <div class="pl-2 text-sm font-semibold text-neutral-700">
           <div v-if="isTimeTracking(employee)">{{ formatMinutes(getRowMetrics(employee.id).dayMinutes) }}</div>
         </div>
@@ -73,16 +124,17 @@
         </div>
         <div class="text-sm font-semibold text-neutral-700">
           <div v-if="isTimeTracking(employee)">{{ formatMinutes(getRowMetrics(employee.id).totalMinutes) }}</div>
+          <div v-else>{{ getPresenceDayValue(employee.id) }}</div>
         </div>
-        <div v-if="isAdmin">
+        <div>
           <input
+            v-if="isAdmin"
             :checked="rows[employee.id]?.isValid ?? false"
             type="checkbox"
-            class="h-4 w-4"
-            :class="rows[employee.id]?.workHourId ? 'cursor-pointer' : 'cursor-not-allowed opacity-60'"
-            :disabled="!rows[employee.id]?.workHourId || isValidationPending(employee.id)"
+            class="h-4 w-4 cursor-pointer"
             @change="onToggleValidation(employee.id, ($event.target as HTMLInputElement).checked)"
           />
+          <span v-else-if="rows[employee.id]?.isValid" class="text-xs font-semibold text-neutral-700">Validé</span>
         </div>
       </div>
     </div>
@@ -95,8 +147,9 @@ import TimeSelect from '~/components/ui/TimeSelect.vue'
 import type { HourRow } from './types'
 
 const rows = defineModel<Record<number, HourRow>>('rows', { required: true })
+const bulkValidationInput = ref<HTMLInputElement | null>(null)
 
-defineProps<{
+const props = defineProps<{
   employees: Employee[]
   isAdmin: boolean
   dayGridCols: string
@@ -104,9 +157,31 @@ defineProps<{
   isTimeTracking: (employee: Employee) => boolean
   isPresenceTracking: (employee: Employee) => boolean
   isRowLocked: (employeeId: number) => boolean
+  isHalfLockedByAbsence: (employeeId: number, half: 'AM' | 'PM') => boolean
+  isEveningLockedByAbsence: (employeeId: number) => boolean
   isValidationPending: (employeeId: number) => boolean
+  canToggleValidation: (employeeId: number) => boolean
+  isBulkValidationChecked: boolean
+  isBulkValidationIndeterminate: boolean
   onToggleValidation: (employeeId: number, checked: boolean) => void
+  onToggleValidationBulk: (checked: boolean) => void
   getRowMetrics: (employeeId: number) => { dayMinutes: number; nightMinutes: number; totalMinutes: number }
+  getRowAbsenceLabel: (employeeId: number) => string
+  getPresenceDayValue: (employeeId: number) => string
+  onAbsenceClick: (employeeId: number) => void
   formatMinutes: (minutes: number) => string
 }>()
+
+const onBulkValidationChange = (event: Event) => {
+  props.onToggleValidationBulk((event.target as HTMLInputElement).checked)
+}
+
+watch(
+  () => props.isBulkValidationIndeterminate,
+  (isIndeterminate) => {
+    if (!bulkValidationInput.value) return
+    bulkValidationInput.value.indeterminate = isIndeterminate
+  },
+  { immediate: true }
+)
 </script>
diff --git a/frontend/components/hours/HoursToolbar.vue b/frontend/components/hours/HoursToolbar.vue
index 5aba6eb..7ea8af2 100644
--- a/frontend/components/hours/HoursToolbar.vue
+++ b/frontend/components/hours/HoursToolbar.vue
@@ -1,6 +1,6 @@
 <template>
   <div class="py-6 flex flex-col gap-3">
-    <SiteFilterSelector v-if="sites.length > 0" v-model="selectedSiteIds" :sites="sites" />
+    <SiteFilterSelector v-if="sites.length > 0 && isAdmin" v-model="selectedSiteIds" :sites="sites" />
 
     <div class="flex justify-between items-center gap-4">
       <div class="flex gap-4 flex-wrap">
@@ -34,14 +34,46 @@
         </button>
       </div>
 
+      <div
+        v-else
+        class="inline-flex h-10 w-[320px] overflow-hidden rounded-md border border-primary-500 bg-white"
+      >
+        <button
+          type="button"
+          class="flex-1 px-4 py-2 text-sm font-semibold active:scale-[0.98] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-primary-500/40"
+          :class="weekShortcutButtonClass('previousWeek')"
+          @click="emit('set-previous-week')"
+        >
+          {{ getWeekShortcutLabel('previousWeek') }}
+        </button>
+        <button
+          type="button"
+          class="flex-1 border-x border-primary-500 px-4 py-2 text-sm font-semibold active:scale-[0.98] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-primary-500/40"
+          :class="weekShortcutButtonClass('thisWeek')"
+          @click="emit('set-this-week')"
+        >
+          {{ getWeekShortcutLabel('thisWeek') }}
+        </button>
+        <button
+          type="button"
+          class="flex-1 px-4 py-2 text-sm font-semibold active:scale-[0.98] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-primary-500/40"
+          :class="weekShortcutButtonClass('nextWeek')"
+          @click="emit('set-next-week')"
+        >
+          {{ getWeekShortcutLabel('nextWeek') }}
+        </button>
+      </div>
+
       <div class="relative inline-flex h-10 w-[320px] items-center overflow-hidden rounded-md border border-primary-500 bg-white">
         <input
           ref="nativeDateInput"
-          v-model="selectedDate"
-          type="date"
+          :value="pickerValue"
+          :type="viewMode === 'week' ? 'week' : 'date'"
           class="pointer-events-none absolute inset-0 h-full w-full opacity-0"
           tabindex="-1"
           aria-hidden="true"
+          @input="onPickerInput"
+          @change="onPickerInput"
         />
         <button
           type="button"
@@ -91,7 +123,7 @@
       </div>
     </div>
 
-    <div class="w-80 max-w-full">
+    <div v-if="isAdmin" class="w-80 max-w-full">
       <EmployeeNameFilterInput v-model="employeeFilter" />
     </div>
   </div>
@@ -101,6 +133,7 @@
 import type { Site } from '~/services/dto/site'
 import EmployeeNameFilterInput from '~/components/EmployeeNameFilterInput.vue'
 import SiteFilterSelector from '~/components/SiteFilterSelector.vue'
+import { weekInputValueToYmd, ymdToWeekInputValue } from '~/utils/date'
 
 const selectedDate = defineModel<string>('selectedDate', { required: true })
 const viewMode = defineModel<'day' | 'week'>('viewMode', { required: true })
@@ -112,16 +145,25 @@ defineProps<{
   sites: Site[]
   formattedSelectedDate: string
   shortcutButtonClass: (target: 'yesterday' | 'today' | 'tomorrow') => string
+  weekShortcutButtonClass: (target: 'previousWeek' | 'thisWeek' | 'nextWeek') => string
+  getWeekShortcutLabel: (target: 'previousWeek' | 'thisWeek' | 'nextWeek') => string
 }>()
 
 const emit = defineEmits<{
   (e: 'set-yesterday'): void
   (e: 'set-today'): void
   (e: 'set-tomorrow'): void
+  (e: 'set-previous-week'): void
+  (e: 'set-this-week'): void
+  (e: 'set-next-week'): void
   (e: 'shift-date', value: number): void
 }>()
 
 const nativeDateInput = ref<HTMLInputElement | null>(null)
+const pickerValue = computed(() => {
+  if (viewMode.value === 'week') return ymdToWeekInputValue(selectedDate.value)
+  return selectedDate.value
+})
 
 const viewModeButtonClass = (mode: 'day' | 'week') => {
   if (viewMode.value === mode) {
@@ -141,4 +183,18 @@ const openDatePicker = () => {
   input.focus()
   input.click()
 }
+
+const onPickerInput = (event: Event) => {
+  const value = (event.target as HTMLInputElement).value
+  if (!value) return
+
+  if (viewMode.value === 'week') {
+    const ymd = weekInputValueToYmd(value)
+    if (!ymd) return
+    selectedDate.value = ymd
+    return
+  }
+
+  selectedDate.value = value
+}
 </script>
diff --git a/frontend/components/hours/HoursWeekView.vue b/frontend/components/hours/HoursWeekView.vue
index b99e937..69a4e9b 100644
--- a/frontend/components/hours/HoursWeekView.vue
+++ b/frontend/components/hours/HoursWeekView.vue
@@ -1,5 +1,5 @@
 <template>
-  <div class="rounded-lg border border-neutral-200 bg-white overflow-hidden flex flex-1 min-h-0 flex-col">
+  <div class="rounded-lg border border-neutral-200 bg-white overflow-hidden flex min-h-0 flex-col">
     <div v-if="isWeekLoading" class="p-6 text-md text-neutral-600">Chargement de la semaine...</div>
     <div v-else class="overflow-y-auto min-h-0">
       <div
@@ -8,16 +8,18 @@
       >
         <span>Nom</span>
         <span v-for="day in weekDayHeaders" :key="day.date" class="text-left">{{ day.label }}</span>
-        <span>Jour/Nuit sem.</span>
-        <span>Total sem.</span>
+        <span>Jour/Nuit <br>sem.</span>
+        <span>Total <br>sem.</span>
+        <span>Total <br>h. supp.</span>
         <span>+25%</span>
         <span>+50%</span>
+        <span>Total <br>récup.</span>
       </div>
 
       <div
         v-for="row in weeklySummary?.rows ?? []"
         :key="row.employeeId"
-        class="grid w-full min-w-0 items-center gap-1 border-b border-neutral-100 px-4 py-2 text-sm last:border-b-0"
+        class="grid w-full min-w-0 items-center gap-1 border-b border-neutral-100 px-4 py-2 text-sm last:border-b-0 hover:bg-tertiary-500"
         :style="{ gridTemplateColumns: weekGridCols }"
       >
         <div class="text-neutral-900 min-w-0">
@@ -46,12 +48,18 @@
         <div class="font-semibold">
           {{ row.trackingMode === 'PRESENCE' ? (row.weeklyPresenceCount ?? 0) : formatMinutes(row.weeklyTotalMinutes) }}
         </div>
+        <div class="font-semibold">
+          {{ row.trackingMode === 'PRESENCE' ? '-' : formatMinutes(row.weeklyOvertimeTotalMinutes ?? 0) }}
+        </div>
         <div class="font-semibold">
           {{ row.trackingMode === 'PRESENCE' ? '-' : formatMinutes(row.weeklyOvertime25Minutes ?? 0) }}
         </div>
         <div class="font-semibold">
           {{ row.trackingMode === 'PRESENCE' ? '-' : formatMinutes(row.weeklyOvertime50Minutes ?? 0) }}
         </div>
+        <div class="font-semibold">
+          {{ row.trackingMode === 'PRESENCE' ? '-' : formatMinutes(row.weeklyRecoveryMinutes ?? 0) }}
+        </div>
       </div>
     </div>
   </div>
diff --git a/frontend/composables/useHoursPage.ts b/frontend/composables/useHoursPage.ts
index f9f62d9..235a24e 100644
--- a/frontend/composables/useHoursPage.ts
+++ b/frontend/composables/useHoursPage.ts
@@ -1,11 +1,17 @@
 import { computed, onMounted, ref, watch } from 'vue'
 import type { Employee } from '~/services/dto/employee'
 import type { Site } from '~/services/dto/site'
-import type { WorkHour, WeeklyWorkHourSummary } from '~/services/dto/work-hour'
+import type { WorkHour, WorkHourDayContext, WeeklyWorkHourSummary } from '~/services/dto/work-hour'
+import type { AbsenceType } from '~/services/dto/absence-type'
+import type { Absence } from '~/services/dto/absence'
+import type { HalfDay } from '~/services/dto/half-day'
 import type { HourRow } from '~/components/hours/types'
 import { listScopedEmployees } from '~/services/employees'
+import { listAbsenceTypes } from '~/services/absence-types'
+import { createAbsence, deleteAbsence, listAbsences, updateAbsence } from '~/services/absences'
 import {
   bulkUpsertWorkHours,
+  getWorkHourDayContext,
   getWeeklyWorkHourSummary,
   listWorkHoursByDate,
   updateWorkHourValidation
@@ -14,7 +20,9 @@ import {
   formatDateLongFr,
   formatWeekDayHeaderFr,
   formatWeekRangeFr,
+  getIsoWeekNumber,
   getOffsetFromTodayYmd,
+  getWeekStartDate,
   getTodayYmd,
   parseYmd,
   shiftYmd
@@ -23,6 +31,7 @@ import { sortEmployeesBySiteAndOrder } from '~/utils/employee'
 
 export const useHoursPage = () => {
   const auth = useAuthStore()
+  const toast = useToast()
   const isAdmin = computed(() => auth.user?.roles?.includes('ROLE_ADMIN') ?? false)
   const viewMode = ref<'day' | 'week'>('day')
 
@@ -32,19 +41,33 @@ export const useHoursPage = () => {
   const selectedSiteIds = ref<number[]>([])
   const sitesInitialized = ref(false)
   const rows = ref<Record<number, HourRow>>({})
+  const dayContext = ref<WorkHourDayContext | null>(null)
   const weeklySummary = ref<WeeklyWorkHourSummary | null>(null)
+  const absenceTypes = ref<AbsenceType[]>([])
+  const absences = ref<Absence[]>([])
+  const isAbsenceDrawerOpen = ref(false)
+  const isAbsenceSubmitting = ref(false)
+  const editingAbsence = ref<Absence | null>(null)
+  const absenceForm = ref({
+    employeeId: '' as number | '',
+    typeId: '' as number | '',
+    startDate: '',
+    startHalf: 'AM' as HalfDay,
+    endDate: '',
+    endHalf: 'PM' as HalfDay,
+    comment: ''
+  })
   const isLoading = ref(false)
   const isWeekLoading = ref(false)
   const isSubmitting = ref(false)
   const validatingRowIds = ref<number[]>([])
 
   const dayGridCols = computed(() => {
-    const metricCol = '0.5fr'
-    const cols = `1.2fr repeat(6, 1fr) ${metricCol} ${metricCol} ${metricCol} ${metricCol}`
-    return isAdmin.value ? `${cols} ${metricCol}` : cols
+    const metricCol = '0.4fr'
+    return `1.2fr repeat(6, 1fr) 0.8fr ${metricCol} ${metricCol} ${metricCol} ${metricCol}`
   })
 
-  const weekGridCols = '1.6fr repeat(7, 1fr) 1fr 0.8fr 0.8fr 0.8fr'
+  const weekGridCols = '1.6fr repeat(7, 1fr) repeat(6, 0.6fr)'
 
   const sites = computed<Site[]>(() => {
     const siteMap = new Map<number, Site>()
@@ -94,6 +117,34 @@ export const useHoursPage = () => {
   })
 
   const isValidationPending = (employeeId: number) => validatingRowIds.value.includes(employeeId)
+  const canToggleValidation = (employeeId: number) => !!rows.value[employeeId]?.workHourId
+
+  const validatableEmployeeIds = computed(() => {
+    return employees.value
+      .map((employee) => employee.id)
+      .filter((employeeId) => canToggleValidation(employeeId))
+  })
+
+  const isBulkValidationChecked = computed(() => {
+    const ids = validatableEmployeeIds.value
+    if (ids.length === 0) return false
+    return ids.every((employeeId) => rows.value[employeeId]?.isValid ?? false)
+  })
+
+  const isBulkValidationIndeterminate = computed(() => {
+    const ids = validatableEmployeeIds.value
+    if (ids.length === 0) return false
+    const checkedCount = ids.filter((employeeId) => rows.value[employeeId]?.isValid ?? false).length
+    return checkedCount > 0 && checkedCount < ids.length
+  })
+
+  const dayContextByEmployeeId = computed(() => {
+    const map = new Map<number, WorkHourDayContext['rows'][number]>()
+    for (const row of dayContext.value?.rows ?? []) {
+      map.set(row.employeeId, row)
+    }
+    return map
+  })
 
   const shortcutButtonClass = (target: 'yesterday' | 'today' | 'tomorrow') => {
     const targetDate = target === 'yesterday'
@@ -109,6 +160,37 @@ export const useHoursPage = () => {
     return 'bg-white text-primary-500 hover:bg-tertiary-500'
   }
 
+  const weekShortcutButtonClass = (target: 'previousWeek' | 'thisWeek' | 'nextWeek') => {
+    const selected = parseYmd(selectedDate.value)
+    if (!selected) {
+      return 'bg-white text-primary-500 hover:bg-tertiary-500'
+    }
+
+    const today = new Date()
+    const targetDate = new Date(today)
+    if (target === 'previousWeek') targetDate.setDate(today.getDate() - 7)
+    if (target === 'nextWeek') targetDate.setDate(today.getDate() + 7)
+
+    const selectedWeekStart = getWeekStartDate(selected)
+    const targetWeekStart = getWeekStartDate(targetDate)
+    const isActive = selectedWeekStart.getTime() === targetWeekStart.getTime()
+
+    if (isActive) {
+      return 'bg-primary-500 text-white'
+    }
+
+    return 'bg-white text-primary-500 hover:bg-tertiary-500'
+  }
+
+  const getWeekShortcutLabel = (target: 'previousWeek' | 'thisWeek' | 'nextWeek') => {
+    const today = new Date()
+    if (target === 'previousWeek') today.setDate(today.getDate() - 7)
+    if (target === 'nextWeek') today.setDate(today.getDate() + 7)
+
+    const weekNumber = getIsoWeekNumber(today)
+    return `Sem. S${weekNumber}`
+  }
+
   const formattedSelectedDate = computed(() => {
     const parsed = parseYmd(selectedDate.value)
     if (!parsed) return selectedDate.value
@@ -146,6 +228,40 @@ export const useHoursPage = () => {
     shiftDate(1)
   }
 
+  const setThisWeek = () => {
+    selectedDate.value = getTodayYmd()
+  }
+
+  const setPreviousWeek = () => {
+    const previousWeek = shiftYmd(getTodayYmd(), -7)
+    if (!previousWeek) return
+    selectedDate.value = previousWeek
+  }
+
+  const setNextWeek = () => {
+    const nextWeek = shiftYmd(getTodayYmd(), 7)
+    if (!nextWeek) return
+    selectedDate.value = nextWeek
+  }
+
+  const resetAbsenceForm = () => {
+    absenceForm.value = {
+      employeeId: '',
+      typeId: '',
+      startDate: '',
+      startHalf: 'AM',
+      endDate: '',
+      endHalf: 'PM',
+      comment: ''
+    }
+  }
+
+  const closeAbsenceDrawer = () => {
+    isAbsenceDrawerOpen.value = false
+    editingAbsence.value = null
+    resetAbsenceForm()
+  }
+
   const emptyRow = (): HourRow => ({
     workHourId: null,
     morningFrom: '',
@@ -243,10 +359,42 @@ export const useHoursPage = () => {
       nightMinutes += nightIntervalMinutes(from, to)
     }
 
+    const creditedMinutes = dayContextByEmployeeId.value.get(employeeId)?.creditedMinutes ?? 0
+    totalMinutes += creditedMinutes
     const dayMinutes = Math.max(0, totalMinutes - nightMinutes)
     return { dayMinutes, nightMinutes, totalMinutes }
   }
 
+  const getRowAbsenceLabel = (employeeId: number) => {
+    const dayRow = dayContextByEmployeeId.value.get(employeeId)
+    if (!dayRow?.absenceLabel) return ''
+    if (dayRow.absenceHalf === 'AM' || dayRow.absenceHalf === 'PM') {
+      const halfLabel = dayRow.absenceHalf === 'AM' ? 'Matin' : 'ap.-m.'
+      return `${dayRow.absenceLabel} (${halfLabel})`
+    }
+    return `${dayRow.absenceLabel} (journée)`
+  }
+
+  const getPresenceDayValue = (employeeId: number) => {
+    const row = rows.value[employeeId]
+    const basePresence = (row?.isPresentMorning ? 0.5 : 0) + (row?.isPresentAfternoon ? 0.5 : 0)
+    const creditedPresence = dayContextByEmployeeId.value.get(employeeId)?.creditedPresenceUnits ?? 0
+    const total = Math.min(1, basePresence + creditedPresence)
+    return Number.isInteger(total) ? String(total) : total.toFixed(1)
+  }
+
+  const isHalfLockedByAbsence = (employeeId: number, half: 'AM' | 'PM') => {
+    const dayRow = dayContextByEmployeeId.value.get(employeeId)
+    if (!dayRow) return false
+    return half === 'AM' ? dayRow.absentMorning : dayRow.absentAfternoon
+  }
+
+  const isEveningLockedByAbsence = (employeeId: number) => {
+    const dayRow = dayContextByEmployeeId.value.get(employeeId)
+    if (!dayRow) return false
+    return dayRow.absentMorning && dayRow.absentAfternoon
+  }
+
   const formatMinutes = (minutes: number) => {
     const safeMinutes = Math.max(0, minutes)
     const hours = Math.floor(safeMinutes / 60)
@@ -280,19 +428,162 @@ export const useHoursPage = () => {
     rows.value = nextRows
   }
 
-  const toggleValidation = async (employeeId: number, checked: boolean) => {
+  const loadAbsenceTypes = async () => {
+    absenceTypes.value = await listAbsenceTypes()
+  }
+
+  const loadAbsences = async () => {
+    absences.value = await listAbsences({
+      from: selectedDate.value,
+      to: selectedDate.value,
+      siteIds: isAdmin.value ? selectedSiteIds.value : undefined
+    })
+  }
+
+  const openAbsenceDrawer = (employeeId: number) => {
+    const existing = absences.value.find((absence) => {
+      if (absence.employee?.id !== employeeId) return false
+      const start = absence.startDate.slice(0, 10)
+      const end = absence.endDate.slice(0, 10)
+      return selectedDate.value >= start && selectedDate.value <= end
+    }) ?? null
+
+    if (existing) {
+      editingAbsence.value = existing
+      absenceForm.value = {
+        employeeId,
+        typeId: existing.type?.id ?? '',
+        startDate: existing.startDate.slice(0, 10),
+        startHalf: existing.startHalf ?? 'AM',
+        endDate: existing.endDate.slice(0, 10),
+        endHalf: existing.endHalf ?? 'PM',
+        comment: existing.comment ?? ''
+      }
+    } else {
+      editingAbsence.value = null
+      absenceForm.value = {
+        employeeId,
+        typeId: '',
+        startDate: selectedDate.value,
+        startHalf: 'AM',
+        endDate: selectedDate.value,
+        endHalf: 'PM',
+        comment: ''
+      }
+    }
+
+    isAbsenceDrawerOpen.value = true
+  }
+
+  const submitAbsence = async () => {
+    const form = absenceForm.value
+    if (isAbsenceSubmitting.value || form.employeeId === '' || form.typeId === '') return
+
+    isAbsenceSubmitting.value = true
+    try {
+      if (editingAbsence.value) {
+        await updateAbsence({
+          id: editingAbsence.value.id,
+          employeeId: Number(form.employeeId),
+          typeId: Number(form.typeId),
+          startDate: form.startDate,
+          startHalf: form.startHalf,
+          endDate: form.endDate,
+          endHalf: form.endHalf,
+          comment: editingAbsence.value.comment ?? ''
+        })
+      } else {
+        await createAbsence({
+          employeeId: Number(form.employeeId),
+          typeId: Number(form.typeId),
+          startDate: form.startDate,
+          startHalf: form.startHalf,
+          endDate: form.endDate,
+          endHalf: form.endHalf,
+          comment: ''
+        })
+      }
+
+      closeAbsenceDrawer()
+      await refreshByDate()
+      await loadAbsences()
+    } finally {
+      isAbsenceSubmitting.value = false
+    }
+  }
+
+  const deleteAbsenceFromDrawer = async () => {
+    if (!editingAbsence.value || isAbsenceSubmitting.value) return
+
+    isAbsenceSubmitting.value = true
+    try {
+      await deleteAbsence(editingAbsence.value.id)
+      closeAbsenceDrawer()
+      await refreshByDate()
+      await loadAbsences()
+    } finally {
+      isAbsenceSubmitting.value = false
+    }
+  }
+
+  const toggleValidation = async (
+    employeeId: number,
+    checked: boolean,
+    options: { toast?: boolean } = {}
+  ) => {
     const row = rows.value[employeeId]
     if (!row?.workHourId || isValidationPending(employeeId)) return
 
     validatingRowIds.value = [...validatingRowIds.value, employeeId]
     try {
-      await updateWorkHourValidation(row.workHourId, checked)
+      await updateWorkHourValidation(row.workHourId, checked, { toast: options.toast })
       row.isValid = checked
     } finally {
       validatingRowIds.value = validatingRowIds.value.filter((id) => id !== employeeId)
     }
   }
 
+  const toggleValidationBulk = async (checked: boolean) => {
+    const employeeIds = validatableEmployeeIds.value
+    if (employeeIds.length === 0) return
+
+    let successCount = 0
+    let failedCount = 0
+
+    for (const employeeId of employeeIds) {
+      if (isValidationPending(employeeId)) continue
+      try {
+        await toggleValidation(employeeId, checked, { toast: false })
+        successCount += 1
+      } catch {
+        failedCount += 1
+      }
+    }
+
+    if (failedCount === 0) {
+      toast.success({
+        title: 'Succès',
+        message: checked
+          ? `${successCount} ligne(s) validée(s).`
+          : `${successCount} validation(s) retirée(s).`
+      })
+      return
+    }
+
+    if (successCount === 0) {
+      toast.error({
+        title: 'Erreur',
+        message: 'Impossible de mettre à jour les validations.'
+      })
+      return
+    }
+
+    toast.error({
+      title: 'Erreur',
+      message: `${successCount} mise(s) à jour, ${failedCount} en échec.`
+    })
+  }
+
   const loadEmployees = async () => {
     const scopedEmployees = await listScopedEmployees()
     employees.value = sortEmployeesBySiteAndOrder(scopedEmployees)
@@ -312,20 +603,25 @@ export const useHoursPage = () => {
     }
   }
 
+  const loadDayContext = async () => {
+    dayContext.value = await getWorkHourDayContext(selectedDate.value)
+  }
+
   const refreshByDate = async () => {
     if (isAdmin.value) {
-      await Promise.all([loadWorkHours(), loadWeeklySummary()])
+      await Promise.all([loadWorkHours(), loadWeeklySummary(), loadDayContext(), loadAbsences()])
       return
     }
 
     weeklySummary.value = null
-    await loadWorkHours()
+    await Promise.all([loadWorkHours(), loadDayContext(), loadAbsences()])
   }
 
   const loadPage = async () => {
     isLoading.value = true
     try {
       await loadEmployees()
+      await loadAbsenceTypes()
       await refreshByDate()
     } finally {
       isLoading.value = false
@@ -347,11 +643,15 @@ export const useHoursPage = () => {
     selectedSiteIds.value = selectedSiteIds.value.filter((siteId) => currentSiteIds.includes(siteId))
   }, { immediate: true })
 
-  watch(isAdmin, (admin) => {
+  watch(isAdmin, async (admin) => {
     if (!admin) {
       viewMode.value = 'day'
       weeklySummary.value = null
+      await Promise.all([loadAbsenceTypes(), loadAbsences()])
+      return
     }
+    await loadAbsenceTypes()
+    await loadAbsences()
   }, { immediate: true })
 
   watch(selectedDate, async () => {
@@ -414,6 +714,11 @@ export const useHoursPage = () => {
     employees,
     visibleEmployees,
     rows,
+    absenceTypes,
+    absenceForm,
+    isAbsenceDrawerOpen,
+    isAbsenceSubmitting,
+    editingAbsence,
     weeklySummary,
     filteredWeeklySummary,
     isLoading,
@@ -425,17 +730,34 @@ export const useHoursPage = () => {
     formattedSelectedDate,
     weekDayHeaders,
     shortcutButtonClass,
+    weekShortcutButtonClass,
+    getWeekShortcutLabel,
     setToday,
     setYesterday,
     setTomorrow,
+    setThisWeek,
+    setPreviousWeek,
+    setNextWeek,
     shiftDate,
     contractLabel,
     isTimeTracking,
     isPresenceTracking,
     isRowLocked,
+    isHalfLockedByAbsence,
+    isEveningLockedByAbsence,
     isValidationPending,
+    canToggleValidation,
+    isBulkValidationChecked,
+    isBulkValidationIndeterminate,
     toggleValidation,
+    toggleValidationBulk,
     getRowMetrics,
+    getRowAbsenceLabel,
+    getPresenceDayValue,
+    openAbsenceDrawer,
+    submitAbsence,
+    deleteAbsenceFromDrawer,
+    closeAbsenceDrawer,
     formatMinutes,
     handleSave
   }
diff --git a/frontend/nuxt.config.ts b/frontend/nuxt.config.ts
index 7be2a65..4dd0d11 100644
--- a/frontend/nuxt.config.ts
+++ b/frontend/nuxt.config.ts
@@ -3,7 +3,9 @@ export default defineNuxtConfig({
     devtools: {enabled: false},
     ssr: false,
     app: {
-        baseURL: process.env.NUXT_PUBLIC_APP_BASE || '/'
+        baseURL: process.env.NODE_ENV === 'production'
+          ? (process.env.NUXT_PUBLIC_APP_BASE || '/')
+          : '/'
     },
     modules: [
       '@nuxtjs/tailwindcss',
@@ -37,4 +39,4 @@ export default defineNuxtConfig({
     typescript: {
         strict: true
     }
-})
\ No newline at end of file
+})
diff --git a/frontend/pages/absence-types.vue b/frontend/pages/absence-types.vue
index 30d72c7..d5ac118 100644
--- a/frontend/pages/absence-types.vue
+++ b/frontend/pages/absence-types.vue
@@ -19,10 +19,11 @@
     </div>
 
     <div v-else class="overflow-hidden rounded-lg border border-neutral-200 bg-white">
-      <div class="grid grid-cols-[120px_120px_1fr_200px] gap-4 border-b border-neutral-200 bg-tertiary-500 px-6 py-3 text-md font-semibold text-neutral-700">
+      <div class="grid grid-cols-[120px_160px_1fr_220px_200px] gap-4 border-b border-neutral-200 bg-tertiary-500 px-6 py-3 text-md font-semibold text-neutral-700">
         <span class="text-left">Code</span>
         <span class="text-left">Libellé</span>
         <span class="text-left">Couleur</span>
+        <span class="text-left">Compte en heures</span>
         <span class="text-right">Actions</span>
       </div>
       <div v-if="isLoading" class="px-6 py-4 text-md text-neutral-500">
@@ -32,7 +33,7 @@
         <div
           v-for="type in absenceTypes"
           :key="type.id"
-          class="grid grid-cols-[120px_120px_1fr_200px] items-center gap-4 border-b border-neutral-100 px-6 py-3 text-md text-neutral-800 last:border-b-0"
+          class="grid grid-cols-[120px_160px_1fr_220px_200px] items-center gap-4 border-b border-neutral-100 px-6 py-3 text-md text-neutral-800 last:border-b-0"
         >
           <span class="font-semibold text-left">{{ type.code }}</span>
           <span class="text-left">{{ type.label }}</span>
@@ -43,6 +44,14 @@
             />
             <span class="text-md uppercase text-neutral-500">{{ type.color }}</span>
           </div>
+          <div class="text-left">
+            <span
+              class="inline-flex rounded-md px-2 py-1 text-sm font-semibold"
+              :class="type.countAsWorkedHours ? 'bg-emerald-100 text-emerald-700' : 'bg-neutral-100 text-neutral-700'"
+            >
+              {{ type.countAsWorkedHours ? 'Oui' : 'Non' }}
+            </span>
+          </div>
           <div class="flex items-center justify-end gap-2">
             <button
               type="button"
@@ -94,6 +103,31 @@
             Le libellé est obligatoire.
           </p>
         </div>
+        <div>
+          <label class="text-md font-semibold text-neutral-700">
+            Compté comme travaillé
+          </label>
+          <div class="mt-2 flex items-center gap-6">
+            <label class="inline-flex items-center gap-2 text-md text-neutral-800">
+              <input
+                v-model="form.countAsWorkedHours"
+                type="radio"
+                class="h-4 w-4"
+                :value="true"
+              />
+              Oui
+            </label>
+            <label class="inline-flex items-center gap-2 text-md text-neutral-800">
+              <input
+                v-model="form.countAsWorkedHours"
+                type="radio"
+                class="h-4 w-4"
+                :value="false"
+              />
+              Non
+            </label>
+          </div>
+        </div>
         <div>
           <label class="text-md font-semibold text-neutral-700" for="color">
             Couleur <span class="text-red-600">*</span>
@@ -150,7 +184,8 @@ const drawerTitle = computed(() =>
 const form = reactive({
   code: '',
   label: '',
-  color: '#222783'
+  color: '#222783',
+  countAsWorkedHours: true
 })
 
 const validationTouched = reactive({
@@ -214,6 +249,7 @@ const resetForm = () => {
   form.code = ''
   form.label = ''
   form.color = '#222783'
+  form.countAsWorkedHours = true
 }
 
 const openCreate = () => {
@@ -227,6 +263,7 @@ const openEdit = (type: AbsenceType) => {
   form.code = type.code
   form.label = type.label
   form.color = type.color
+  form.countAsWorkedHours = type.countAsWorkedHours
   isDrawerOpen.value = true
 }
 
@@ -249,13 +286,15 @@ const handleSubmit = async () => {
       await updateAbsenceType(editingType.value.id, {
         code: form.code,
         label: form.label,
-        color: form.color
+        color: form.color,
+        countAsWorkedHours: form.countAsWorkedHours
       })
     } else {
       await createAbsenceType({
         code: form.code,
         label: form.label,
-        color: form.color
+        color: form.color,
+        countAsWorkedHours: form.countAsWorkedHours
       })
     }
 
diff --git a/frontend/pages/hours.vue b/frontend/pages/hours.vue
index 82584f1..40e61ce 100644
--- a/frontend/pages/hours.vue
+++ b/frontend/pages/hours.vue
@@ -13,9 +13,14 @@
             :sites="sites"
             :formatted-selected-date="formattedSelectedDate"
             :shortcut-button-class="shortcutButtonClass"
+            :week-shortcut-button-class="weekShortcutButtonClass"
+            :get-week-shortcut-label="getWeekShortcutLabel"
             @set-yesterday="setYesterday"
             @set-today="setToday"
             @set-tomorrow="setTomorrow"
+            @set-previous-week="setPreviousWeek"
+            @set-this-week="setThisWeek"
+            @set-next-week="setNextWeek"
             @shift-date="shiftDate"
         />
 
@@ -28,30 +33,43 @@
         </div>
 
         <div v-else class="flex flex-1 min-h-0 flex-col gap-4">
-            <HoursDayView
-                v-if="viewMode === 'day'"
-                v-model:rows="rows"
-                :employees="visibleEmployees"
-                :is-admin="isAdmin"
-                :day-grid-cols="dayGridCols"
-                :contract-label="contractLabel"
-                :is-time-tracking="isTimeTracking"
+            <div class="flex-1 min-h-0 flex flex-col">
+                <HoursDayView
+                    v-if="viewMode === 'day'"
+                    v-model:rows="rows"
+                    :employees="visibleEmployees"
+                    :is-admin="isAdmin"
+                    :day-grid-cols="dayGridCols"
+                    :contract-label="contractLabel"
+                    :is-time-tracking="isTimeTracking"
                 :is-presence-tracking="isPresenceTracking"
                 :is-row-locked="isRowLocked"
+                :is-half-locked-by-absence="isHalfLockedByAbsence"
+                :is-evening-locked-by-absence="isEveningLockedByAbsence"
                 :is-validation-pending="isValidationPending"
+                :can-toggle-validation="canToggleValidation"
+                :is-bulk-validation-checked="isBulkValidationChecked"
+                :is-bulk-validation-indeterminate="isBulkValidationIndeterminate"
                 :on-toggle-validation="toggleValidation"
+                :on-toggle-validation-bulk="toggleValidationBulk"
                 :get-row-metrics="getRowMetrics"
+                :get-row-absence-label="getRowAbsenceLabel"
+                :get-presence-day-value="getPresenceDayValue"
+                :on-absence-click="openAbsenceDrawer"
                 :format-minutes="formatMinutes"
+                class="max-h-full"
             />
 
-            <HoursWeekView
-                v-else-if="isAdmin && viewMode === 'week'"
-                :is-week-loading="isWeekLoading"
-                :week-grid-cols="weekGridCols"
-                :weekly-summary="filteredWeeklySummary"
-                :week-day-headers="weekDayHeaders"
-                :format-minutes="formatMinutes"
-            />
+                <HoursWeekView
+                    v-else-if="isAdmin && viewMode === 'week'"
+                    :is-week-loading="isWeekLoading"
+                    :week-grid-cols="weekGridCols"
+                    :weekly-summary="filteredWeeklySummary"
+                    :week-day-headers="weekDayHeaders"
+                    :format-minutes="formatMinutes"
+                    class="max-h-full"
+                />
+            </div>
 
             <div v-if="viewMode === 'day'" class="shrink-0 px-4 pt-4 flex justify-center">
                 <button
@@ -65,6 +83,21 @@
                 </button>
             </div>
         </div>
+
+        <AbsenceFormDrawer
+            v-model="isAbsenceDrawerOpen"
+            :employees="employees"
+            :absence-types="absenceTypes"
+            :form="absenceForm"
+            :editing-absence="editingAbsence"
+            :is-submitting="isAbsenceSubmitting"
+            :lock-employee="true"
+            :lock-dates="true"
+            :show-comment="false"
+            @submit="submitAbsence"
+            @delete="deleteAbsenceFromDrawer"
+            @cancel="closeAbsenceDrawer"
+        />
     </div>
 </template>
 
@@ -79,6 +112,11 @@ const {
   employees,
   visibleEmployees,
   rows,
+  absenceTypes,
+  absenceForm,
+  isAbsenceDrawerOpen,
+  isAbsenceSubmitting,
+  editingAbsence,
   filteredWeeklySummary,
   isLoading,
   isWeekLoading,
@@ -89,17 +127,34 @@ const {
   formattedSelectedDate,
   weekDayHeaders,
   shortcutButtonClass,
+  weekShortcutButtonClass,
+  getWeekShortcutLabel,
   setToday,
   setYesterday,
   setTomorrow,
+  setThisWeek,
+  setPreviousWeek,
+  setNextWeek,
   shiftDate,
   contractLabel,
   isTimeTracking,
   isPresenceTracking,
   isRowLocked,
+  isHalfLockedByAbsence,
+  isEveningLockedByAbsence,
   isValidationPending,
+  canToggleValidation,
+  isBulkValidationChecked,
+  isBulkValidationIndeterminate,
   toggleValidation,
+  toggleValidationBulk,
   getRowMetrics,
+  getRowAbsenceLabel,
+  getPresenceDayValue,
+  openAbsenceDrawer,
+  submitAbsence,
+  deleteAbsenceFromDrawer,
+  closeAbsenceDrawer,
   formatMinutes,
   handleSave
 } = useHoursPage()
diff --git a/frontend/services/absence-types.ts b/frontend/services/absence-types.ts
index 90a767e..cd1a2fc 100644
--- a/frontend/services/absence-types.ts
+++ b/frontend/services/absence-types.ts
@@ -12,7 +12,7 @@ export const listAbsenceTypes = async () => {
 }
 
 export const createAbsenceType = async (
-  payload: Pick<AbsenceType, 'code' | 'label' | 'color'>
+  payload: Pick<AbsenceType, 'code' | 'label' | 'color' | 'countAsWorkedHours'>
 ) => {
   const api = useApi()
   return api.post<AbsenceType>('/absence_types', payload, {
@@ -23,7 +23,7 @@ export const createAbsenceType = async (
 
 export const updateAbsenceType = async (
   id: number,
-  payload: Pick<AbsenceType, 'code' | 'label' | 'color'>
+  payload: Pick<AbsenceType, 'code' | 'label' | 'color' | 'countAsWorkedHours'>
 ) => {
   const api = useApi()
   return api.patch<AbsenceType>(`/absence_types/${id}`, payload, {
diff --git a/frontend/services/dto/absence-type.ts b/frontend/services/dto/absence-type.ts
index c55067b..918dcf8 100644
--- a/frontend/services/dto/absence-type.ts
+++ b/frontend/services/dto/absence-type.ts
@@ -3,4 +3,5 @@ export type AbsenceType = {
   code: string
   label: string
   color: string
+  countAsWorkedHours: boolean
 }
diff --git a/frontend/services/dto/work-hour.ts b/frontend/services/dto/work-hour.ts
index e4e2d98..c7e19b0 100644
--- a/frontend/services/dto/work-hour.ts
+++ b/frontend/services/dto/work-hour.ts
@@ -47,8 +47,10 @@ export type WeeklyWorkHourRowSummary = {
   weeklyNightMinutes: number
   weeklyTotalMinutes: number
   weeklyPresenceCount?: number
+  weeklyOvertimeTotalMinutes?: number
   weeklyOvertime25Minutes?: number
   weeklyOvertime50Minutes?: number
+  weeklyRecoveryMinutes?: number
 }
 
 export type WeeklyWorkHourSummary = {
@@ -57,3 +59,18 @@ export type WeeklyWorkHourSummary = {
   days: string[]
   rows: WeeklyWorkHourRowSummary[]
 }
+
+export type WorkHourDayContextRow = {
+  employeeId: number
+  absenceLabel?: string | null
+  absenceHalf?: 'AM' | 'PM' | null
+  absentMorning: boolean
+  absentAfternoon: boolean
+  creditedMinutes: number
+  creditedPresenceUnits: number
+}
+
+export type WorkHourDayContext = {
+  workDate: string
+  rows: WorkHourDayContextRow[]
+}
diff --git a/frontend/services/work-hours.ts b/frontend/services/work-hours.ts
index fbb3f24..6fb2017 100644
--- a/frontend/services/work-hours.ts
+++ b/frontend/services/work-hours.ts
@@ -1,4 +1,5 @@
 import type {
+  WorkHourDayContext,
   WorkHour,
   WorkHourEntryPayload,
   WeeklyWorkHourSummary
@@ -39,12 +40,17 @@ export const bulkUpsertWorkHours = async (payload: {
   )
 }
 
-export const updateWorkHourValidation = async (id: number, isValid: boolean) => {
+export const updateWorkHourValidation = async (
+  id: number,
+  isValid: boolean,
+  options?: { toast?: boolean }
+) => {
   const api = useApi()
   return api.patch<WorkHour>(
     `/work_hours/${id}`,
     { isValid },
     {
+      toast: options?.toast ?? true,
       toastSuccessMessage: isValid ? 'Ligne validée.' : 'Validation retirée.',
       toastErrorMessage: 'Impossible de mettre à jour la validation.'
     }
@@ -59,3 +65,12 @@ export const getWeeklyWorkHourSummary = async (weekStart: string) => {
     { toast: false }
   )
 }
+
+export const getWorkHourDayContext = async (workDate: string) => {
+  const api = useApi()
+  return api.get<WorkHourDayContext>(
+    '/work-hours/day-context',
+    { workDate },
+    { toast: false }
+  )
+}
diff --git a/frontend/utils/date.ts b/frontend/utils/date.ts
index cae4c52..2acd56f 100644
--- a/frontend/utils/date.ts
+++ b/frontend/utils/date.ts
@@ -42,6 +42,46 @@ export const getWeekStartDate = (date: Date) => {
   return copy
 }
 
+export const getIsoWeekNumber = (date: Date) => {
+  const utc = new Date(Date.UTC(date.getFullYear(), date.getMonth(), date.getDate()))
+  const day = utc.getUTCDay() || 7
+  utc.setUTCDate(utc.getUTCDate() + 4 - day)
+  const yearStart = new Date(Date.UTC(utc.getUTCFullYear(), 0, 1))
+  return Math.ceil((((utc.getTime() - yearStart.getTime()) / 86400000) + 1) / 7)
+}
+
+export const getIsoWeekYear = (date: Date) => {
+  const utc = new Date(Date.UTC(date.getFullYear(), date.getMonth(), date.getDate()))
+  const day = utc.getUTCDay() || 7
+  utc.setUTCDate(utc.getUTCDate() + 4 - day)
+  return utc.getUTCFullYear()
+}
+
+export const ymdToWeekInputValue = (dateYmd: string) => {
+  const parsed = parseYmd(dateYmd)
+  if (!parsed) return ''
+  const weekDate = getWeekStartDate(parsed)
+  const weekNumber = getIsoWeekNumber(weekDate)
+  const weekYear = getIsoWeekYear(weekDate)
+  return `${weekYear}-W${String(weekNumber).padStart(2, '0')}`
+}
+
+export const weekInputValueToYmd = (weekValue: string) => {
+  const match = /^(\d{4})-W(\d{2})$/.exec(weekValue)
+  if (!match) return null
+
+  const year = Number(match[1])
+  const week = Number(match[2])
+  if (!Number.isInteger(year) || !Number.isInteger(week) || week < 1 || week > 53) return null
+
+  const jan4 = new Date(year, 0, 4)
+  const week1Monday = getWeekStartDate(jan4)
+  const monday = new Date(week1Monday)
+  monday.setDate(week1Monday.getDate() + ((week - 1) * 7))
+
+  return toYmd(monday.getFullYear(), monday.getMonth(), monday.getDate())
+}
+
 export const getTodayYmd = () => {
   const date = new Date()
   return toYmd(date.getFullYear(), date.getMonth(), date.getDate())
@@ -64,6 +104,7 @@ export const formatWeekRangeFr = (date: Date) => {
   const start = getWeekStartDate(date)
   const end = new Date(start)
   end.setDate(start.getDate() + 6)
+  const weekNumber = getIsoWeekNumber(start)
 
   const formatter = new Intl.DateTimeFormat('fr-FR', {
     day: '2-digit',
@@ -71,7 +112,7 @@ export const formatWeekRangeFr = (date: Date) => {
     year: 'numeric'
   })
 
-  return `Semaine du ${formatter.format(start)} au ${formatter.format(end)}`
+  return `S${weekNumber} du ${formatter.format(start)} au ${formatter.format(end)}`
 }
 
 export const getDaysInMonth = (year: number, month: number) => {
diff --git a/migrations/Version20260218190000.php b/migrations/Version20260218190000.php
new file mode 100644
index 0000000..799ccc7
--- /dev/null
+++ b/migrations/Version20260218190000.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20260218190000 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Add count_as_worked_hours on absence_types';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE absence_types ADD count_as_worked_hours BOOLEAN DEFAULT FALSE NOT NULL');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE absence_types DROP count_as_worked_hours');
+    }
+}
diff --git a/src/ApiResource/WorkHourDayContext.php b/src/ApiResource/WorkHourDayContext.php
new file mode 100644
index 0000000..f91c136
--- /dev/null
+++ b/src/ApiResource/WorkHourDayContext.php
@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\ApiResource;
+
+use ApiPlatform\Metadata\ApiResource;
+use ApiPlatform\Metadata\Get;
+use App\State\WorkHourDayContextProvider;
+
+#[ApiResource(
+    operations: [
+        new Get(
+            uriTemplate: '/work-hours/day-context',
+            security: "is_granted('ROLE_USER')",
+            provider: WorkHourDayContextProvider::class
+        ),
+    ],
+    paginationEnabled: false
+)]
+final class WorkHourDayContext
+{
+    public string $workDate = '';
+
+    /**
+     * @var list<array{
+     *     employeeId:int,
+     *     absenceLabel:?string,
+     *     absenceHalf:?string,
+     *     absentMorning:bool,
+     *     absentAfternoon:bool,
+     *     creditedMinutes:int,
+     *     creditedPresenceUnits:float
+     * }>
+     */
+    public array $rows = [];
+}
diff --git a/src/ApiResource/WorkHourWeeklySummary.php b/src/ApiResource/WorkHourWeeklySummary.php
index e2f7ba0..40b5444 100644
--- a/src/ApiResource/WorkHourWeeklySummary.php
+++ b/src/ApiResource/WorkHourWeeklySummary.php
@@ -45,8 +45,10 @@ final class WorkHourWeeklySummary
      *     weeklyNightMinutes:int,
      *     weeklyTotalMinutes:int,
      *     weeklyPresenceCount:float,
+     *     weeklyOvertimeTotalMinutes:int,
      *     weeklyOvertime25Minutes:int,
-     *     weeklyOvertime50Minutes:int
+     *     weeklyOvertime50Minutes:int,
+     *     weeklyRecoveryMinutes:int
      * }>
      */
     public array $rows = [];
diff --git a/src/Doctrine/AbsenceCollectionExtension.php b/src/Doctrine/AbsenceCollectionExtension.php
new file mode 100644
index 0000000..a9d4fd0
--- /dev/null
+++ b/src/Doctrine/AbsenceCollectionExtension.php
@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Doctrine;
+
+use ApiPlatform\Doctrine\Orm\Extension\QueryCollectionExtensionInterface;
+use ApiPlatform\Doctrine\Orm\Util\QueryNameGeneratorInterface;
+use ApiPlatform\Metadata\Operation;
+use App\Entity\Absence;
+use App\Entity\User;
+use App\Security\EmployeeScopeService;
+use Doctrine\ORM\QueryBuilder;
+use Symfony\Bundle\SecurityBundle\Security;
+
+final readonly class AbsenceCollectionExtension implements QueryCollectionExtensionInterface
+{
+    public function __construct(
+        private Security $security,
+        private EmployeeScopeService $employeeScopeService,
+    ) {}
+
+    public function applyToCollection(
+        QueryBuilder $queryBuilder,
+        QueryNameGeneratorInterface $queryNameGenerator,
+        string $resourceClass,
+        ?Operation $operation = null,
+        array $context = []
+    ): void {
+        if (Absence::class !== $resourceClass) {
+            return;
+        }
+
+        $user = $this->security->getUser();
+        if (!$user instanceof User) {
+            $queryBuilder->andWhere('1 = 0');
+
+            return;
+        }
+
+        $rootAlias     = $queryBuilder->getRootAliases()[0];
+        $employeeAlias = 'absence_employee_scope';
+
+        $queryBuilder->leftJoin(sprintf('%s.employee', $rootAlias), $employeeAlias)
+            ->addSelect($employeeAlias)
+        ;
+
+        $this->employeeScopeService->applyEmployeeScope($queryBuilder, $employeeAlias, 'absence_scope', $user);
+    }
+}
diff --git a/src/Dto/WorkHours/DayContextRow.php b/src/Dto/WorkHours/DayContextRow.php
new file mode 100644
index 0000000..73508fd
--- /dev/null
+++ b/src/Dto/WorkHours/DayContextRow.php
@@ -0,0 +1,84 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Dto\WorkHours;
+
+final class DayContextRow
+{
+    public function __construct(
+        public int $employeeId,
+        public ?string $absenceLabel = null,
+        public ?string $absenceHalf = null,
+        public bool $absentMorning = false,
+        public bool $absentAfternoon = false,
+        public int $creditedMinutes = 0,
+        public float $creditedPresenceUnits = 0.0,
+    ) {}
+
+    public function addAbsence(
+        ?string $label,
+        bool $morning,
+        bool $afternoon,
+        int $creditedMinutes,
+        float $creditedPresenceUnits
+    ): void {
+        // Fusionne plusieurs absences du même jour sur la ligne salarié.
+        $this->absentMorning   = $this->absentMorning   || $morning;
+        $this->absentAfternoon = $this->absentAfternoon || $afternoon;
+
+        // Garde un libellé lisible: unique si possible, sinon "Absences multiples".
+        if (null === $this->absenceLabel) {
+            $this->absenceLabel = $label;
+        } elseif ($label !== $this->absenceLabel) {
+            $this->absenceLabel = 'Absences multiples';
+        }
+
+        // AM/PM seulement pour les demi-journées, null pour journée complète.
+        $this->absenceHalf = $this->resolveHalfLabel($this->absentMorning, $this->absentAfternoon);
+        // Cumule les minutes créditées par les absences "comptées comme travaillées".
+        $this->creditedMinutes += $creditedMinutes;
+        // Cumule les unités de présence créditées (0.5 par demi-journée).
+        $this->creditedPresenceUnits += $creditedPresenceUnits;
+    }
+
+    /**
+     * @return array{
+     *     employeeId:int,
+     *     absenceLabel:?string,
+     *     absenceHalf:?string,
+     *     absentMorning:bool,
+     *     absentAfternoon:bool,
+     *     creditedMinutes:int,
+     *     creditedPresenceUnits:float
+     * }
+     */
+    public function toArray(): array
+    {
+        return [
+            'employeeId'            => $this->employeeId,
+            'absenceLabel'          => $this->absenceLabel,
+            'absenceHalf'           => $this->absenceHalf,
+            'absentMorning'         => $this->absentMorning,
+            'absentAfternoon'       => $this->absentAfternoon,
+            'creditedMinutes'       => $this->creditedMinutes,
+            'creditedPresenceUnits' => $this->creditedPresenceUnits,
+        ];
+    }
+
+    private function resolveHalfLabel(bool $morning, bool $afternoon): ?string
+    {
+        // Matin + après-midi => journée complète, pas de libellé AM/PM.
+        if ($morning && $afternoon) {
+            return null;
+        }
+        if ($morning) {
+            return 'AM';
+        }
+        if ($afternoon) {
+            return 'PM';
+        }
+
+        return null;
+    }
+}
diff --git a/src/Dto/WorkHours/WorkMetrics.php b/src/Dto/WorkHours/WorkMetrics.php
new file mode 100644
index 0000000..616c18b
--- /dev/null
+++ b/src/Dto/WorkHours/WorkMetrics.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Dto\WorkHours;
+
+final class WorkMetrics
+{
+    public function __construct(
+        public int $dayMinutes = 0,
+        public int $nightMinutes = 0,
+        public int $totalMinutes = 0,
+    ) {}
+
+    public function addCreditedMinutes(int $creditedMinutes): void
+    {
+        // Ignore les valeurs nulles ou négatives pour ne pas biaiser les totaux.
+        if ($creditedMinutes <= 0) {
+            return;
+        }
+
+        // Le crédit absence alimente les heures de jour et le total.
+        $this->dayMinutes += $creditedMinutes;
+        $this->totalMinutes += $creditedMinutes;
+    }
+}
diff --git a/src/Entity/Absence.php b/src/Entity/Absence.php
index bbce2c2..61cad30 100644
--- a/src/Entity/Absence.php
+++ b/src/Entity/Absence.php
@@ -9,12 +9,39 @@ use ApiPlatform\Doctrine\Orm\Filter\SearchFilter;
 use ApiPlatform\Metadata\ApiFilter;
 use ApiPlatform\Metadata\ApiProperty;
 use ApiPlatform\Metadata\ApiResource;
+use ApiPlatform\Metadata\Delete;
+use ApiPlatform\Metadata\Get;
+use ApiPlatform\Metadata\GetCollection;
+use ApiPlatform\Metadata\Patch;
+use ApiPlatform\Metadata\Post;
+use App\Enum\HalfDay;
 use App\Repository\AbsenceRepository;
+use App\State\AbsenceWriteProcessor;
 use DateTimeInterface;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Component\Serializer\Attribute\Groups;
 
 #[ApiResource(
+    operations: [
+        new GetCollection(
+            security: "is_granted('ROLE_USER')"
+        ),
+        new Get(
+            security: "is_granted('ABSENCE_VIEW', object)"
+        ),
+        new Post(
+            securityPostDenormalize: "is_granted('ABSENCE_EDIT', object)",
+            processor: AbsenceWriteProcessor::class
+        ),
+        new Patch(
+            security: "is_granted('ABSENCE_EDIT', object)",
+            processor: AbsenceWriteProcessor::class
+        ),
+        new Delete(
+            security: "is_granted('ABSENCE_EDIT', object)",
+            processor: AbsenceWriteProcessor::class
+        ),
+    ],
     normalizationContext: [
         'groups'          => ['absence:read', 'employee:read', 'absence_type:read'],
         'datetime_format' => 'Y-m-d',
@@ -23,7 +50,6 @@ use Symfony\Component\Serializer\Attribute\Groups;
         'datetime_format' => 'Y-m-d',
     ],
     paginationEnabled: false,
-    security: "is_granted('ROLE_ADMIN')",
 )]
 #[ApiFilter(DateFilter::class, properties: ['startDate', 'endDate'])]
 #[ApiFilter(SearchFilter::class, properties: ['employee.site' => 'exact'])]
@@ -53,17 +79,17 @@ class Absence
     #[Groups(['absence:read'])]
     private DateTimeInterface $startDate;
 
-    #[ORM\Column(type: 'string', length: 2, options: ['default' => 'AM'])]
+    #[ORM\Column(type: 'string', length: 2, enumType: HalfDay::class, options: ['default' => 'AM'])]
     #[Groups(['absence:read'])]
-    private string $startHalf = 'AM';
+    private HalfDay $startHalf = HalfDay::AM;
 
     #[ORM\Column(type: 'date')]
     #[Groups(['absence:read'])]
     private DateTimeInterface $endDate;
 
-    #[ORM\Column(type: 'string', length: 2, options: ['default' => 'PM'])]
+    #[ORM\Column(type: 'string', length: 2, enumType: HalfDay::class, options: ['default' => 'PM'])]
     #[Groups(['absence:read'])]
-    private string $endHalf = 'PM';
+    private HalfDay $endHalf = HalfDay::PM;
 
     #[ORM\Column(type: 'text', nullable: true)]
     #[Groups(['absence:read'])]
@@ -122,24 +148,24 @@ class Absence
         return $this;
     }
 
-    public function getStartHalf(): string
+    public function getStartHalf(): HalfDay
     {
         return $this->startHalf;
     }
 
-    public function setStartHalf(string $startHalf): self
+    public function setStartHalf(HalfDay $startHalf): self
     {
         $this->startHalf = $startHalf;
 
         return $this;
     }
 
-    public function getEndHalf(): string
+    public function getEndHalf(): HalfDay
     {
         return $this->endHalf;
     }
 
-    public function setEndHalf(string $endHalf): self
+    public function setEndHalf(HalfDay $endHalf): self
     {
         $this->endHalf = $endHalf;
 
diff --git a/src/Entity/AbsenceType.php b/src/Entity/AbsenceType.php
index d311d75..2e7870f 100644
--- a/src/Entity/AbsenceType.php
+++ b/src/Entity/AbsenceType.php
@@ -5,13 +5,34 @@ declare(strict_types=1);
 namespace App\Entity;
 
 use ApiPlatform\Metadata\ApiResource;
+use ApiPlatform\Metadata\Delete;
+use ApiPlatform\Metadata\Get;
+use ApiPlatform\Metadata\GetCollection;
+use ApiPlatform\Metadata\Patch;
+use ApiPlatform\Metadata\Post;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Component\Serializer\Attribute\Groups;
 
 #[ApiResource(
+    operations: [
+        new GetCollection(
+            security: "is_granted('ROLE_USER')"
+        ),
+        new Get(
+            security: "is_granted('ROLE_USER')"
+        ),
+        new Post(
+            security: "is_granted('ROLE_ADMIN')"
+        ),
+        new Patch(
+            security: "is_granted('ROLE_ADMIN')"
+        ),
+        new Delete(
+            security: "is_granted('ROLE_ADMIN')"
+        ),
+    ],
     normalizationContext: ['groups' => ['absence_type:read']],
     paginationEnabled: false,
-    security: "is_granted('ROLE_ADMIN')"
 )]
 #[ORM\Entity]
 #[ORM\Table(name: 'absence_types')]
@@ -35,6 +56,10 @@ class AbsenceType
     #[Groups(['absence:read', 'absence_type:read'])]
     private string $color = '';
 
+    #[ORM\Column(type: 'boolean', options: ['default' => false])]
+    #[Groups(['absence:read', 'absence_type:read'])]
+    private bool $countAsWorkedHours = false;
+
     public function getId(): ?int
     {
         return $this->id;
@@ -75,4 +100,21 @@ class AbsenceType
 
         return $this;
     }
+
+    public function isCountAsWorkedHours(): bool
+    {
+        return $this->countAsWorkedHours;
+    }
+
+    public function getCountAsWorkedHours(): bool
+    {
+        return $this->countAsWorkedHours;
+    }
+
+    public function setCountAsWorkedHours(bool $countAsWorkedHours): self
+    {
+        $this->countAsWorkedHours = $countAsWorkedHours;
+
+        return $this;
+    }
 }
diff --git a/src/Enum/HalfDay.php b/src/Enum/HalfDay.php
new file mode 100644
index 0000000..2a1d1f4
--- /dev/null
+++ b/src/Enum/HalfDay.php
@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Enum;
+
+enum HalfDay: string
+{
+    case AM = 'AM';
+    case PM = 'PM';
+}
diff --git a/src/Repository/AbsenceRepository.php b/src/Repository/AbsenceRepository.php
index 3c29b7c..fa91931 100644
--- a/src/Repository/AbsenceRepository.php
+++ b/src/Repository/AbsenceRepository.php
@@ -43,7 +43,33 @@ final class AbsenceRepository extends ServiceEntityRepository
             ->setParameter('employees', $employees)
         ;
 
-        /** @var list<Absence> $absences */
+        // @var list<Absence> $absences
+        return $qb->getQuery()->getResult();
+    }
+
+    /**
+     * @param list<Employee> $employees
+     *
+     * @return list<Absence>
+     */
+    public function findByDateAndEmployees(DateTimeImmutable $date, array $employees): array
+    {
+        if ([] === $employees) {
+            return [];
+        }
+
+        $qb = $this->createQueryBuilder('a')
+            ->leftJoin('a.employee', 'e')
+            ->leftJoin('a.type', 't')
+            ->addSelect('e', 't')
+            ->andWhere('a.startDate <= :date')
+            ->andWhere('a.endDate >= :date')
+            ->andWhere('a.employee IN (:employees)')
+            ->setParameter('date', $date)
+            ->setParameter('employees', $employees)
+        ;
+
+        // @var list<Absence> $absences
         return $qb->getQuery()->getResult();
     }
 }
diff --git a/src/Repository/WorkHourRepository.php b/src/Repository/WorkHourRepository.php
index d01c6d9..23b1d4a 100644
--- a/src/Repository/WorkHourRepository.php
+++ b/src/Repository/WorkHourRepository.php
@@ -7,6 +7,7 @@ namespace App\Repository;
 use App\Entity\Employee;
 use App\Entity\WorkHour;
 use DateTimeImmutable;
+use DateTimeInterface;
 use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
 use Doctrine\Persistence\ManagerRegistry;
 
@@ -76,7 +77,27 @@ final class WorkHourRepository extends ServiceEntityRepository
             ->setParameter('employees', $employees)
         ;
 
-        /** @var list<WorkHour> $workHours */
+        // @var list<WorkHour> $workHours
         return $qb->getQuery()->getResult();
     }
+
+    public function hasValidatedInRange(Employee $employee, DateTimeInterface $from, DateTimeInterface $to): bool
+    {
+        $fromDate = DateTimeImmutable::createFromInterface($from);
+        $toDate   = DateTimeImmutable::createFromInterface($to);
+
+        $qb = $this->createQueryBuilder('w')
+            ->select('COUNT(w.id)')
+            ->andWhere('w.employee = :employee')
+            ->andWhere('w.workDate >= :from')
+            ->andWhere('w.workDate <= :to')
+            ->andWhere('w.isValid = :isValid')
+            ->setParameter('employee', $employee)
+            ->setParameter('from', $fromDate)
+            ->setParameter('to', $toDate)
+            ->setParameter('isValid', true)
+        ;
+
+        return ((int) $qb->getQuery()->getSingleScalarResult()) > 0;
+    }
 }
diff --git a/src/Security/Voter/AbsenceVoter.php b/src/Security/Voter/AbsenceVoter.php
new file mode 100644
index 0000000..1a6e088
--- /dev/null
+++ b/src/Security/Voter/AbsenceVoter.php
@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Security\Voter;
+
+use App\Entity\Absence;
+use App\Entity\User;
+use App\Security\EmployeeScopeService;
+use Symfony\Bundle\SecurityBundle\Security;
+use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\Security\Core\Authorization\Voter\Vote;
+use Symfony\Component\Security\Core\Authorization\Voter\Voter;
+
+final class AbsenceVoter extends Voter
+{
+    public const string VIEW = 'ABSENCE_VIEW';
+    public const string EDIT = 'ABSENCE_EDIT';
+
+    public function __construct(
+        private readonly Security $security,
+        private readonly EmployeeScopeService $employeeScopeService,
+    ) {}
+
+    protected function supports(string $attribute, mixed $subject): bool
+    {
+        return in_array($attribute, [self::VIEW, self::EDIT], true) && $subject instanceof Absence;
+    }
+
+    protected function voteOnAttribute(string $attribute, mixed $subject, TokenInterface $token, ?Vote $vote = null): bool
+    {
+        $user = $this->security->getUser();
+        if (!$user instanceof User) {
+            return false;
+        }
+
+        if (!$subject instanceof Absence) {
+            return false;
+        }
+
+        $employee = $subject->getEmployee();
+        if (null === $employee) {
+            return false;
+        }
+
+        return $this->employeeScopeService->canAccessEmployee($user, $employee);
+    }
+}
diff --git a/src/Service/WorkHours/AbsenceSegmentsResolver.php b/src/Service/WorkHours/AbsenceSegmentsResolver.php
new file mode 100644
index 0000000..5630f05
--- /dev/null
+++ b/src/Service/WorkHours/AbsenceSegmentsResolver.php
@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service\WorkHours;
+
+use App\Entity\Absence;
+use App\Enum\HalfDay;
+
+final class AbsenceSegmentsResolver
+{
+    /**
+     * @return array{bool, bool}
+     */
+    public function resolveForDate(Absence $absence, string $dateYmd): array
+    {
+        $startDate = $absence->getStartDate()->format('Y-m-d');
+        $endDate   = $absence->getEndDate()->format('Y-m-d');
+        $startHalf = $absence->getStartHalf();
+        $endHalf   = $absence->getEndHalf();
+
+        // Cas d'une absence sur une seule date: on déduit matin/après-midi depuis les bornes.
+        if ($startDate === $endDate) {
+            if (HalfDay::AM === $startHalf && HalfDay::AM === $endHalf) {
+                // Uniquement le matin absent.
+                return [true, false];
+            }
+            if (HalfDay::PM === $startHalf && HalfDay::PM === $endHalf) {
+                // Uniquement l'après-midi absent.
+                return [false, true];
+            }
+
+            // Sinon, on considère la journée complète absente.
+            return [true, true];
+        }
+
+        // Premier jour d'une absence multi-jours qui commence l'après-midi.
+        if ($dateYmd === $startDate && HalfDay::PM === $startHalf) {
+            return [false, true];
+        }
+
+        // Dernier jour d'une absence multi-jours qui se termine le matin.
+        if ($dateYmd === $endDate && HalfDay::AM === $endHalf) {
+            return [true, false];
+        }
+
+        // Les jours intermédiaires sont entièrement absents.
+        return [true, true];
+    }
+}
diff --git a/src/Service/WorkHours/WorkedHoursCreditPolicy.php b/src/Service/WorkHours/WorkedHoursCreditPolicy.php
new file mode 100644
index 0000000..384d6f6
--- /dev/null
+++ b/src/Service/WorkHours/WorkedHoursCreditPolicy.php
@@ -0,0 +1,91 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service\WorkHours;
+
+use App\Entity\Absence;
+use App\Entity\Contract;
+use DateMalformedStringException;
+use DateTimeImmutable;
+
+final class WorkedHoursCreditPolicy
+{
+    /**
+     * @throws DateMalformedStringException
+     */
+    public function computeCreditedMinutes(Absence $absence, string $dateYmd, bool $absentMorning, bool $absentAfternoon): int
+    {
+        $type = $absence->getType();
+        // Certaines absences ne doivent jamais générer d'heures créditées.
+        if (!$type?->getCountAsWorkedHours()) {
+            return 0;
+        }
+
+        $employee = $absence->getEmployee();
+        // Les contrats suivis en "présence" ne cumulent pas d'heures en minutes.
+        if (Contract::TRACKING_TIME !== $employee?->getContract()?->getTrackingMode()) {
+            return 0;
+        }
+
+        $weekday = (int) new DateTimeImmutable($dateYmd)->format('N');
+        // On applique la règle de crédit dépendante du contrat (35h / 39h / fallback).
+        $dayMinutes = $this->resolveContractDayMinutes($employee->getContract()?->getWeeklyHours(), $weekday);
+        if ($dayMinutes <= 0) {
+            return 0;
+        }
+
+        // Crédit en demi-journées: matin = 0.5, après-midi = 0.5.
+        $halfUnits = ($absentMorning ? 1 : 0) + ($absentAfternoon ? 1 : 0);
+
+        return (int) round(($dayMinutes / 2) * $halfUnits);
+    }
+
+    public function computeCreditedPresenceUnits(Absence $absence, bool $absentMorning, bool $absentAfternoon): float
+    {
+        $type = $absence->getType();
+        if (!$type?->getCountAsWorkedHours()) {
+            return 0.0;
+        }
+
+        $employee = $absence->getEmployee();
+        if (Contract::TRACKING_PRESENCE !== $employee?->getContract()?->getTrackingMode()) {
+            return 0.0;
+        }
+
+        $halfUnits = ($absentMorning ? 1 : 0) + ($absentAfternoon ? 1 : 0);
+
+        return $halfUnits * 0.5;
+    }
+
+    public function resolveContractDayMinutes(?int $weeklyHours, int $isoWeekDay): int
+    {
+        // Week-end non travaillé dans cette politique.
+        if ($isoWeekDay >= 6) {
+            return 0;
+        }
+
+        // Règle fixe: 35h => 7h/jour.
+        if (35 === $weeklyHours) {
+            return 7 * 60;
+        }
+
+        // Règle fixe: 39h => 8h lundi-jeudi, 7h le vendredi.
+        if (39 === $weeklyHours) {
+            return 5 === $isoWeekDay ? 7 * 60 : 8 * 60;
+        }
+
+        // Cas spécifique métier: contrat 4h/semaine réparti sur 2 jours => 2h/jour.
+        if (4 === $weeklyHours) {
+            return 2 * 60;
+        }
+
+        // Contrat non renseigné/invalide: aucun crédit.
+        if (null === $weeklyHours || $weeklyHours <= 0) {
+            return 0;
+        }
+
+        // Fallback générique: répartition homogène sur 5 jours ouvrés.
+        return (int) round(($weeklyHours * 60) / 5);
+    }
+}
diff --git a/src/State/AbsencePrintProvider.php b/src/State/AbsencePrintProvider.php
index bd0a248..d570419 100644
--- a/src/State/AbsencePrintProvider.php
+++ b/src/State/AbsencePrintProvider.php
@@ -6,6 +6,7 @@ namespace App\State;
 
 use ApiPlatform\Metadata\Operation;
 use ApiPlatform\State\ProviderInterface;
+use App\Enum\HalfDay;
 use App\Repository\AbsenceRepository;
 use App\Repository\EmployeeRepository;
 use App\Service\PublicHolidayServiceInterface;
@@ -164,13 +165,13 @@ class AbsencePrintProvider implements ProviderInterface
 
                 if ($isSameDay) {
                     if ($startHalf === $endHalf) {
-                        $halfLabel = $startHalf;
+                        $halfLabel = $startHalf->value;
                     }
                 } else {
-                    if ($isStartDay && 'PM' === $startHalf) {
+                    if ($isStartDay && HalfDay::PM === $startHalf) {
                         $halfLabel = 'PM';
                     }
-                    if ($isEndDay && 'AM' === $endHalf) {
+                    if ($isEndDay && HalfDay::AM === $endHalf) {
                         $halfLabel = 'AM';
                     }
                 }
diff --git a/src/State/AbsenceWriteProcessor.php b/src/State/AbsenceWriteProcessor.php
new file mode 100644
index 0000000..e1f6699
--- /dev/null
+++ b/src/State/AbsenceWriteProcessor.php
@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\State;
+
+use ApiPlatform\Metadata\DeleteOperationInterface;
+use ApiPlatform\Metadata\Operation;
+use ApiPlatform\State\ProcessorInterface;
+use App\Entity\Absence;
+use App\Repository\WorkHourRepository;
+use Symfony\Component\DependencyInjection\Attribute\Autowire;
+use Symfony\Component\HttpKernel\Exception\ConflictHttpException;
+
+final readonly class AbsenceWriteProcessor implements ProcessorInterface
+{
+    public function __construct(
+        #[Autowire(service: 'api_platform.doctrine.orm.state.persist_processor')]
+        private ProcessorInterface $persistProcessor,
+        #[Autowire(service: 'api_platform.doctrine.orm.state.remove_processor')]
+        private ProcessorInterface $removeProcessor,
+        private WorkHourRepository $workHourRepository,
+    ) {}
+
+    public function process(mixed $data, Operation $operation, array $uriVariables = [], array $context = []): mixed
+    {
+        if (!$data instanceof Absence) {
+            return $data;
+        }
+
+        $employee = $data->getEmployee();
+        if (null === $employee) {
+            return $data;
+        }
+
+        if ($this->workHourRepository->hasValidatedInRange($employee, $data->getStartDate(), $data->getEndDate())) {
+            throw new ConflictHttpException('Impossible de modifier une absence sur une période validée.');
+        }
+
+        if ($operation instanceof DeleteOperationInterface) {
+            return $this->removeProcessor->process($data, $operation, $uriVariables, $context);
+        }
+
+        return $this->persistProcessor->process($data, $operation, $uriVariables, $context);
+    }
+}
diff --git a/src/State/WorkHourDayContextProvider.php b/src/State/WorkHourDayContextProvider.php
new file mode 100644
index 0000000..a410915
--- /dev/null
+++ b/src/State/WorkHourDayContextProvider.php
@@ -0,0 +1,110 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\State;
+
+use ApiPlatform\Metadata\Operation;
+use ApiPlatform\State\ProviderInterface;
+use App\ApiResource\WorkHourDayContext;
+use App\Dto\WorkHours\DayContextRow;
+use App\Entity\User;
+use App\Repository\AbsenceRepository;
+use App\Repository\EmployeeRepository;
+use App\Service\WorkHours\AbsenceSegmentsResolver;
+use App\Service\WorkHours\WorkedHoursCreditPolicy;
+use DateTimeImmutable;
+use Symfony\Bundle\SecurityBundle\Security;
+use Symfony\Component\HttpFoundation\RequestStack;
+use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
+use Symfony\Component\HttpKernel\Exception\UnprocessableEntityHttpException;
+
+final readonly class WorkHourDayContextProvider implements ProviderInterface
+{
+    public function __construct(
+        private Security $security,
+        private RequestStack $requestStack,
+        private EmployeeRepository $employeeRepository,
+        private AbsenceRepository $absenceRepository,
+        private AbsenceSegmentsResolver $absenceSegmentsResolver,
+        private WorkedHoursCreditPolicy $workedHoursCreditPolicy,
+    ) {}
+
+    public function provide(Operation $operation, array $uriVariables = [], array $context = []): WorkHourDayContext
+    {
+        $user = $this->security->getUser();
+        // Endpoint protégé: on exige un utilisateur authentifié.
+        if (!$user instanceof User) {
+            throw new AccessDeniedHttpException('Authentication required.');
+        }
+
+        $workDate  = $this->resolveWorkDate();
+        $employees = $this->employeeRepository->findScoped($user);
+        $absences  = $this->absenceRepository->findByDateAndEmployees($workDate, $employees);
+
+        $rowsByEmployeeId = [];
+        foreach ($employees as $employee) {
+            $employeeId = $employee->getId();
+            if (!$employeeId) {
+                continue;
+            }
+
+            // On initialise toutes les lignes, même sans absence ce jour-là.
+            $rowsByEmployeeId[$employeeId] = new DayContextRow(employeeId: $employeeId);
+        }
+
+        $dateKey = $workDate->format('Y-m-d');
+        foreach ($absences as $absence) {
+            $employeeId = $absence->getEmployee()?->getId();
+            // Ignore les absences orphelines ou hors scope utilisateur.
+            if (!$employeeId || !isset($rowsByEmployeeId[$employeeId])) {
+                continue;
+            }
+
+            [$absentMorning, $absentAfternoon] = $this->absenceSegmentsResolver->resolveForDate($absence, $dateKey);
+            // Pas de segment absent sur ce jour: rien à injecter dans la ligne.
+            if (!$absentMorning && !$absentAfternoon) {
+                continue;
+            }
+
+            // Calcule le crédit d'heures selon la politique métier (type d'absence + contrat).
+            $creditedMinutes       = $this->workedHoursCreditPolicy->computeCreditedMinutes($absence, $dateKey, $absentMorning, $absentAfternoon);
+            $creditedPresenceUnits = $this->workedHoursCreditPolicy->computeCreditedPresenceUnits($absence, $absentMorning, $absentAfternoon);
+            $rowsByEmployeeId[$employeeId]->addAbsence(
+                label: $absence->getType()?->getLabel(),
+                morning: $absentMorning,
+                afternoon: $absentAfternoon,
+                creditedMinutes: $creditedMinutes,
+                creditedPresenceUnits: $creditedPresenceUnits
+            );
+        }
+
+        $response           = new WorkHourDayContext();
+        $response->workDate = $dateKey;
+        $response->rows     = array_map(
+            static fn (DayContextRow $row): array => $row->toArray(),
+            array_values($rowsByEmployeeId)
+        );
+
+        return $response;
+    }
+
+    private function resolveWorkDate(): DateTimeImmutable
+    {
+        $query = $this->requestStack->getCurrentRequest()?->query;
+        $raw   = (string) ($query?->get('workDate') ?? '');
+
+        // Sans paramètre, on cible la date du jour.
+        if ('' === $raw) {
+            return new DateTimeImmutable('today');
+        }
+
+        $date = DateTimeImmutable::createFromFormat('Y-m-d', $raw);
+        // Validation stricte du format pour éviter les ambiguïtés de parsing.
+        if (!$date || $date->format('Y-m-d') !== $raw) {
+            throw new UnprocessableEntityHttpException('workDate must use Y-m-d format.');
+        }
+
+        return $date;
+    }
+}
diff --git a/src/State/WorkHourWeeklySummaryProvider.php b/src/State/WorkHourWeeklySummaryProvider.php
index 1dafef5..f4349b4 100644
--- a/src/State/WorkHourWeeklySummaryProvider.php
+++ b/src/State/WorkHourWeeklySummaryProvider.php
@@ -7,11 +7,16 @@ namespace App\State;
 use ApiPlatform\Metadata\Operation;
 use ApiPlatform\State\ProviderInterface;
 use App\ApiResource\WorkHourWeeklySummary;
+use App\Dto\WorkHours\WorkMetrics;
+use App\Entity\Absence;
 use App\Entity\Employee;
 use App\Entity\User;
 use App\Entity\WorkHour;
+use App\Repository\AbsenceRepository;
 use App\Repository\EmployeeRepository;
 use App\Repository\WorkHourRepository;
+use App\Service\WorkHours\AbsenceSegmentsResolver;
+use App\Service\WorkHours\WorkedHoursCreditPolicy;
 use DateTimeImmutable;
 use Symfony\Bundle\SecurityBundle\Security;
 use Symfony\Component\HttpFoundation\RequestStack;
@@ -25,11 +30,15 @@ final readonly class WorkHourWeeklySummaryProvider implements ProviderInterface
         private RequestStack $requestStack,
         private EmployeeRepository $employeeRepository,
         private WorkHourRepository $workHourRepository,
+        private AbsenceRepository $absenceRepository,
+        private AbsenceSegmentsResolver $absenceSegmentsResolver,
+        private WorkedHoursCreditPolicy $workedHoursCreditPolicy,
     ) {}
 
     public function provide(Operation $operation, array $uriVariables = [], array $context = []): WorkHourWeeklySummary
     {
         $user = $this->security->getUser();
+        // Endpoint protégé: résumé hebdo réservé aux utilisateurs authentifiés.
         if (!$user instanceof User) {
             throw new AccessDeniedHttpException('Authentication required.');
         }
@@ -39,12 +48,13 @@ final readonly class WorkHourWeeklySummaryProvider implements ProviderInterface
 
         $employees = $this->employeeRepository->findScoped($user);
         $workHours = $this->workHourRepository->findByDateRangeAndEmployees($weekStart, $weekEnd, $employees);
+        $absences  = $this->absenceRepository->findForPrint($weekStart, $weekEnd, $employees);
 
         $summary            = new WorkHourWeeklySummary();
         $summary->weekStart = $weekStart->format('Y-m-d');
         $summary->weekEnd   = $weekEnd->format('Y-m-d');
         $summary->days      = $days;
-        $summary->rows      = $this->buildRows($employees, $workHours, $days);
+        $summary->rows      = $this->buildRows($employees, $workHours, $absences, $days);
 
         return $summary;
     }
@@ -54,11 +64,13 @@ final readonly class WorkHourWeeklySummaryProvider implements ProviderInterface
         $query = $this->requestStack->getCurrentRequest()?->query;
         $raw   = (string) ($query?->get('weekStart') ?? '');
 
+        // Sans paramètre, on ancre la semaine sur aujourd'hui.
         if ('' === $raw) {
             return new DateTimeImmutable('today');
         }
 
         $date = DateTimeImmutable::createFromFormat('Y-m-d', $raw);
+        // Validation stricte du format attendu.
         if (!$date || $date->format('Y-m-d') !== $raw) {
             throw new UnprocessableEntityHttpException('weekStart must use Y-m-d format.');
         }
@@ -71,6 +83,7 @@ final readonly class WorkHourWeeklySummaryProvider implements ProviderInterface
      */
     private function resolveWeek(DateTimeImmutable $anchorDate): array
     {
+        // Convention ISO: semaine de lundi (1) à dimanche (7).
         $dayOfWeek = (int) $anchorDate->format('N');
         $weekStart = $anchorDate->modify(sprintf('-%d days', $dayOfWeek - 1));
         $weekEnd   = $weekStart->modify('+6 days');
@@ -86,6 +99,7 @@ final readonly class WorkHourWeeklySummaryProvider implements ProviderInterface
     /**
      * @param list<Employee> $employees
      * @param list<WorkHour> $workHours
+     * @param list<Absence>  $absences
      * @param list<string>   $days
      *
      * @return list<array{
@@ -100,11 +114,13 @@ final readonly class WorkHourWeeklySummaryProvider implements ProviderInterface
      *     weeklyNightMinutes:int,
      *     weeklyTotalMinutes:int,
      *     weeklyPresenceCount:float,
+     *     weeklyOvertimeTotalMinutes:int,
      *     weeklyOvertime25Minutes:int,
-     *     weeklyOvertime50Minutes:int
+     *     weeklyOvertime50Minutes:int,
+     *     weeklyRecoveryMinutes:int
      * }>
      */
-    private function buildRows(array $employees, array $workHours, array $days): array
+    private function buildRows(array $employees, array $workHours, array $absences, array $days): array
     {
         $metricsByEmployeeDate = [];
         foreach ($workHours as $workHour) {
@@ -113,6 +129,7 @@ final readonly class WorkHourWeeklySummaryProvider implements ProviderInterface
                 continue;
             }
 
+            // Pré-calcul des métriques par salarié/date pour simplifier l'agrégation finale.
             $dateKey                                      = $workHour->getWorkDate()->format('Y-m-d');
             $metricsByEmployeeDate[$employeeId][$dateKey] = [
                 'metrics'            => $this->computeMetrics($workHour),
@@ -121,6 +138,30 @@ final readonly class WorkHourWeeklySummaryProvider implements ProviderInterface
             ];
         }
 
+        $creditedByEmployeeDate         = [];
+        $creditedPresenceByEmployeeDate = [];
+        foreach ($absences as $absence) {
+            $employeeId = $absence->getEmployee()?->getId();
+            if (!$employeeId) {
+                continue;
+            }
+
+            $start = $absence->getStartDate()->format('Y-m-d');
+            $end   = $absence->getEndDate()->format('Y-m-d');
+            foreach ($days as $date) {
+                // On ne crédite que les dates couvertes par l'intervalle d'absence.
+                if ($date < $start || $date > $end) {
+                    continue;
+                }
+
+                [$absentMorning, $absentAfternoon]          = $this->absenceSegmentsResolver->resolveForDate($absence, $date);
+                $creditedByEmployeeDate[$employeeId][$date] = ($creditedByEmployeeDate[$employeeId][$date] ?? 0)
+                    + $this->workedHoursCreditPolicy->computeCreditedMinutes($absence, $date, $absentMorning, $absentAfternoon);
+                $creditedPresenceByEmployeeDate[$employeeId][$date] = ($creditedPresenceByEmployeeDate[$employeeId][$date] ?? 0.0)
+                    + $this->workedHoursCreditPolicy->computeCreditedPresenceUnits($absence, $absentMorning, $absentAfternoon);
+            }
+        }
+
         $rows = [];
         foreach ($employees as $employee) {
             $employeeId = $employee->getId();
@@ -133,62 +174,76 @@ final readonly class WorkHourWeeklySummaryProvider implements ProviderInterface
             $weeklyTotalMinutes  = 0;
             $weeklyPresenceCount = 0.0;
             $daily               = [];
-            $isPresenceTracking  = 'PRESENCE' === $employee->getContract()?->getTrackingMode();
+            // Les contrats au suivi "présence" ne manipulent pas les heures, mais des demi-journées.
+            $isPresenceTracking = 'PRESENCE' === $employee->getContract()?->getTrackingMode();
 
             foreach ($days as $date) {
-                $entry   = $metricsByEmployeeDate[$employeeId][$date] ?? null;
-                $metrics = $entry['metrics'] ?? [
-                    'dayMinutes'   => 0,
-                    'nightMinutes' => 0,
-                    'totalMinutes' => 0,
-                ];
+                $entry           = $metricsByEmployeeDate[$employeeId][$date] ?? null;
+                $metrics         = $entry['metrics'] ?? new WorkMetrics();
+                $creditedMinutes = $creditedByEmployeeDate[$employeeId][$date] ?? 0;
+                // Les absences "comptées comme travaillées" alimentent le total du jour.
+                $metrics->addCreditedMinutes($creditedMinutes);
                 $present = null;
                 if ($isPresenceTracking) {
-                    $morning   = ($entry['isPresentMorning'] ?? false) ? 0.5 : 0.0;
-                    $afternoon = ($entry['isPresentAfternoon'] ?? false) ? 0.5 : 0.0;
-                    $present   = $morning + $afternoon;
+                    $morning          = ($entry['isPresentMorning'] ?? false) ? 0.5 : 0.0;
+                    $afternoon        = ($entry['isPresentAfternoon'] ?? false) ? 0.5 : 0.0;
+                    $creditedPresence = $creditedPresenceByEmployeeDate[$employeeId][$date] ?? 0.0;
+                    $present          = min(1.0, $morning + $afternoon + $creditedPresence);
                 }
 
-                $weeklyDayMinutes += $metrics['dayMinutes'];
-                $weeklyNightMinutes += $metrics['nightMinutes'];
-                $weeklyTotalMinutes += $metrics['totalMinutes'];
+                $weeklyDayMinutes += $metrics->dayMinutes;
+                $weeklyNightMinutes += $metrics->nightMinutes;
+                $weeklyTotalMinutes += $metrics->totalMinutes;
                 if (null !== $present) {
                     $weeklyPresenceCount += $present;
                 }
 
                 $daily[] = [
                     'date'         => $date,
-                    'dayMinutes'   => $metrics['dayMinutes'],
-                    'nightMinutes' => $metrics['nightMinutes'],
-                    'totalMinutes' => $metrics['totalMinutes'],
+                    'dayMinutes'   => $metrics->dayMinutes,
+                    'nightMinutes' => $metrics->nightMinutes,
+                    'totalMinutes' => $metrics->totalMinutes,
                     'present'      => $present,
                 ];
             }
 
+            $contractWeeklyHours        = $employee->getContract()?->getWeeklyHours();
+            $weeklyOvertimeTotalMinutes = $isPresenceTracking
+                ? 0
+                : $this->computeOvertimeTotalMinutes($weeklyTotalMinutes, $contractWeeklyHours);
+            $weeklyOvertime25Minutes = $isPresenceTracking
+                ? 0
+                : $this->computeOvertime25BonusMinutes($weeklyTotalMinutes, $contractWeeklyHours);
+            $weeklyOvertime50Minutes = $isPresenceTracking
+                ? 0
+                : $this->computeOvertime50BonusMinutes($weeklyTotalMinutes);
+            $weeklyRecoveryMinutes = $isPresenceTracking
+                ? 0
+                : $weeklyOvertimeTotalMinutes + $weeklyOvertime25Minutes + $weeklyOvertime50Minutes;
+
             $rows[] = [
-                'employeeId'              => $employeeId,
-                'firstName'               => $employee->getFirstName(),
-                'lastName'                => $employee->getLastName(),
-                'siteName'                => $employee->getSite()?->getName(),
-                'contractName'            => $employee->getContract()?->getName(),
-                'trackingMode'            => $employee->getContract()?->getTrackingMode(),
-                'daily'                   => $daily,
-                'weeklyDayMinutes'        => $weeklyDayMinutes,
-                'weeklyNightMinutes'      => $weeklyNightMinutes,
-                'weeklyTotalMinutes'      => $weeklyTotalMinutes,
-                'weeklyPresenceCount'     => $weeklyPresenceCount,
-                'weeklyOvertime25Minutes' => $isPresenceTracking ? 0 : $this->computeOvertime25Minutes($weeklyTotalMinutes),
-                'weeklyOvertime50Minutes' => $isPresenceTracking ? 0 : $this->computeOvertime50Minutes($weeklyTotalMinutes),
+                'employeeId'                 => $employeeId,
+                'firstName'                  => $employee->getFirstName(),
+                'lastName'                   => $employee->getLastName(),
+                'siteName'                   => $employee->getSite()?->getName(),
+                'contractName'               => $employee->getContract()?->getName(),
+                'trackingMode'               => $employee->getContract()?->getTrackingMode(),
+                'daily'                      => $daily,
+                'weeklyDayMinutes'           => $weeklyDayMinutes,
+                'weeklyNightMinutes'         => $weeklyNightMinutes,
+                'weeklyTotalMinutes'         => $weeklyTotalMinutes,
+                'weeklyPresenceCount'        => $weeklyPresenceCount,
+                'weeklyOvertimeTotalMinutes' => $weeklyOvertimeTotalMinutes,
+                'weeklyOvertime25Minutes'    => $weeklyOvertime25Minutes,
+                'weeklyOvertime50Minutes'    => $weeklyOvertime50Minutes,
+                'weeklyRecoveryMinutes'      => $weeklyRecoveryMinutes,
             ];
         }
 
         return $rows;
     }
 
-    /**
-     * @return array{dayMinutes:int, nightMinutes:int, totalMinutes:int}
-     */
-    private function computeMetrics(WorkHour $workHour): array
+    private function computeMetrics(WorkHour $workHour): WorkMetrics
     {
         $ranges = [
             [$workHour->getMorningFrom(), $workHour->getMorningTo()],
@@ -206,11 +261,11 @@ final readonly class WorkHourWeeklySummaryProvider implements ProviderInterface
 
         $dayMinutes = max(0, $totalMinutes - $nightMinutes);
 
-        return [
-            'dayMinutes'   => $dayMinutes,
-            'nightMinutes' => $nightMinutes,
-            'totalMinutes' => $totalMinutes,
-        ];
+        return new WorkMetrics(
+            dayMinutes: $dayMinutes,
+            nightMinutes: $nightMinutes,
+            totalMinutes: $totalMinutes,
+        );
     }
 
     /**
@@ -224,6 +279,7 @@ final readonly class WorkHourWeeklySummaryProvider implements ProviderInterface
             return null;
         }
 
+        // Si fin <= début, on considère un passage à minuit.
         $end = $toMinutes <= $fromMinutes ? $toMinutes + 1440 : $toMinutes;
 
         return [$fromMinutes, $end];
@@ -260,9 +316,11 @@ final readonly class WorkHourWeeklySummaryProvider implements ProviderInterface
         }
 
         [$start, $end] = $interval;
-        $windows       = [[0, 360], [1260, 1440]];
-        $total         = 0;
+        // Fenêtres de nuit: 00:00-06:00 et 21:00-24:00.
+        $windows = [[0, 360], [1260, 1440]];
+        $total   = 0;
 
+        // On projette aussi sur J+1 pour couvrir les shifts qui traversent minuit.
         for ($dayOffset = 0; $dayOffset <= 1; ++$dayOffset) {
             $shift = $dayOffset * 1440;
             foreach ($windows as [$windowStart, $windowEnd]) {
@@ -281,13 +339,34 @@ final readonly class WorkHourWeeklySummaryProvider implements ProviderInterface
         return max(0, $end - $start);
     }
 
-    private function computeOvertime25Minutes(int $weeklyTotalMinutes): int
+    private function computeOvertimeTotalMinutes(int $weeklyTotalMinutes, ?int $contractWeeklyHours): int
     {
-        return max(0, min($weeklyTotalMinutes, 43 * 60) - (35 * 60));
+        if (null === $contractWeeklyHours || $contractWeeklyHours <= 0) {
+            return 0;
+        }
+
+        // Règle métier: tout contrat < 35h est traité comme un 35h pour la base supp.
+        $referenceHours = max(35, $contractWeeklyHours);
+
+        return max(0, $weeklyTotalMinutes - ($referenceHours * 60));
     }
 
-    private function computeOvertime50Minutes(int $weeklyTotalMinutes): int
+    private function computeOvertime25BonusMinutes(int $weeklyTotalMinutes, ?int $contractWeeklyHours): int
     {
-        return max(0, $weeklyTotalMinutes - (43 * 60));
+        // Règle métier:
+        // - contrats <= 35h: 25% entre 35h et 43h
+        // - contrats >= 39h: 25% entre 39h et 43h
+        $startHours     = (null !== $contractWeeklyHours && $contractWeeklyHours >= 39) ? 39 : 35;
+        $trancheMinutes = max(0, min($weeklyTotalMinutes, 43 * 60) - ($startHours * 60));
+
+        return (int) round($trancheMinutes * 0.25);
+    }
+
+    private function computeOvertime50BonusMinutes(int $weeklyTotalMinutes): int
+    {
+        // Bonus 50% appliqué au-delà de 43h.
+        $trancheMinutes = max(0, $weeklyTotalMinutes - (43 * 60));
+
+        return (int) round($trancheMinutes * 0.5);
     }
 }