Fix task due date not saving correctly to a future date

Add console logging to client and server to debug and fix an issue where task due dates were not being saved correctly, defaulting to the current date instead of the selected future date.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: cc2d271b-82f0-4d6a-9302-a0b067ffb429
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/1957c339-2757-4d1f-8e92-e9f71a1ce58e/cc2d271b-82f0-4d6a-9302-a0b067ffb429/xi95nEa

client/src/components/tasks/TaskForm.tsx

@@ -134,7 +134,12 @@ export default function TaskForm({ task, onClose }: TaskFormProps) {
         createdBy: user?.id,
         dueDate: data.dueDate || null
       };
-      console.log('🚀 Creating task with data:', taskData);
+      console.log('🚀 Creating task with data:', {
+        ...taskData,
+        dueDate: taskData.dueDate,
+        dueDateType: typeof taskData.dueDate,
+        dueDateISO: taskData.dueDate?.toISOString?.()
+      });
       return apiRequest("/api/tasks", "POST", taskData);
     },
     onSuccess: () => {
@@ -156,7 +161,16 @@ export default function TaskForm({ task, onClose }: TaskFormProps) {
   });
 
   const updateMutation = useMutation({
-    mutationFn: (data: any) => apiRequest(`/api/tasks/${task?.id}`, "PUT", data),
+    mutationFn: (data: any) => {
+      console.log('🔄 Updating task with data:', {
+        taskId: task?.id,
+        data,
+        dueDate: data.dueDate,
+        dueDateType: typeof data.dueDate,
+        dueDateISO: data.dueDate?.toISOString?.()
+      });
+      return apiRequest(`/api/tasks/${task?.id}`, "PUT", data);
+    },
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: ["/api/tasks"] });
       toast({
@@ -176,6 +190,17 @@ export default function TaskForm({ task, onClose }: TaskFormProps) {
   });
 
   const onSubmit = (data: TaskFormData) => {
+    // Debug: log des données de soumission
+    console.log('📝 TaskForm onSubmit:', {
+      isEdit: !!task,
+      taskId: task?.id,
+      formData: data,
+      dueDate: data.dueDate,
+      dueDateType: typeof data.dueDate,
+      dueDateISO: data.dueDate?.toISOString(),
+      localSelectedStoreId
+    });
+
     // Vérifier qu'un magasin est auto-sélectionné
     if (!localSelectedStoreId) {
       toast({
@@ -196,9 +221,11 @@ export default function TaskForm({ task, onClose }: TaskFormProps) {
         assignedTo: data.assignedTo,
         dueDate: data.dueDate || null,
       };
+      console.log('🔄 Update task submitData:', submitData);
       updateMutation.mutate(submitData);
     } else {
       // Création d'une nouvelle tâche - le groupId sera ajouté dans createMutation
+      console.log('➕ Create task data:', data);
       createMutation.mutate(data);
     }
   };