fix(project-management) : make my-tasks kanban drag-drop status change instant

frontend/modules/project-management/pages/my-tasks.vue

@@ -87,8 +87,16 @@ function statusesForTaskCategory(task: Task, category: StatusCategory): TaskStat
 }
 
 async function applyStatus(task: Task, status: TaskStatus): Promise<void> {
-    await taskService.update(task.id, { status: `/api/task_statuses/${status.id}` })
+    if (task.status?.id === status.id) return
-    await loadTasks()
+    // Mise à jour optimiste : re-bucket le kanban instantanément avant la réponse réseau (cf. index.vue).
+    const previousStatus = task.status
+    task.status = status
+    try {
+        await taskService.update(task.id, { status: `/api/task_statuses/${status.id}` })
+    } catch (e) {
+        task.status = previousStatus
+        throw e
+    }
 }
 
 function onDrop(category: StatusCategory, event: DragEvent): void {