feat : modification de la gestion des jours fériés

frontend/composables/useDriverHoursPage.ts

@@ -368,12 +368,23 @@ export const useDriverHoursPage = () => {
 
   const getRowMetrics = (employeeId: number) => {
     const row = rows.value[employeeId] ?? emptyRow()
-    const credited = dayContextByEmployeeId.value.get(employeeId)?.creditedMinutes ?? 0
-    const dayMinutes = toMinutes(row.dayHours) + credited
+    const dayRow = dayContextByEmployeeId.value.get(employeeId)
+    const credited = dayRow?.creditedMinutes ?? 0
+    let dayMinutes = toMinutes(row.dayHours) + credited
     const nightMinutes = toMinutes(row.nightHours)
     const workshopMinutes = toMinutes(row.workshopHours)
-    const totalMinutes = dayMinutes + nightMinutes + workshopMinutes
-    return { dayMinutes, nightMinutes, workshopMinutes, totalMinutes }
+    let totalMinutes = dayMinutes + nightMinutes + workshopMinutes
+
+    // Virtual holiday credit: backend already applies the contract-period
+    // schedule and absence-override rule; consume the value as-is.
+    const virtualHolidayMinutes = dayRow?.virtualHolidayMinutes ?? 0
+    if (virtualHolidayMinutes > totalMinutes) {
+      const delta = virtualHolidayMinutes - totalMinutes
+      dayMinutes += delta
+      totalMinutes = virtualHolidayMinutes
+    }
+
+    return { dayMinutes, nightMinutes, workshopMinutes, totalMinutes, virtualHolidayMinutes }
   }
 
   const getRowAbsenceLabel = (employeeId: number) => {
@@ -466,7 +477,6 @@ export const useDriverHoursPage = () => {
 
   const openAbsenceDrawer = (employeeId: number) => {
     if (!hasContractAtSelectedDate(employeeId)) return
-    if (isSelectedDateHoliday.value) return
 
     const existing = absences.value.find((absence) => {
       if (absence.employee?.id !== employeeId) return false