feat: enhance user preferences management with userId integration

- Added `userId` field to `UserPreferences` model in Prisma schema for user-specific preferences.
- Implemented migration to populate existing preferences with the first user.
- Updated user preferences service methods to handle user-specific data retrieval and updates.
- Modified API routes and components to ensure user authentication and fetch preferences based on the authenticated user.
- Enhanced session management in various components to load user preferences accordingly.

src/services/data-management/backup.ts

@@ -55,7 +55,9 @@ export class BackupService {
    */
   private async loadConfigFromDB(): Promise<void> {
     try {
-      const preferences = await userPreferencesService.getAllPreferences();
+      // Pour le service de backup, on utilise un userId par défaut
+      // car il n'a pas accès à la session
+      const preferences = await userPreferencesService.getAllPreferences('default');
       if (preferences.viewPreferences && typeof preferences.viewPreferences === 'object') {
         const backupConfig = (preferences.viewPreferences as Record<string, unknown>).backupConfig;
         if (backupConfig) {
@@ -75,15 +77,15 @@ export class BackupService {
       // Pour l'instant, on stocke la config backup en tant que JSON dans viewPreferences
       // TODO: Ajouter un champ dédié dans le schéma pour la config backup
       await prisma.userPreferences.upsert({
-        where: { id: 'default' },
+        where: { userId: 'default' },
         update: {
           viewPreferences: JSON.parse(JSON.stringify({
-            ...(await userPreferencesService.getViewPreferences()),
+            ...(await userPreferencesService.getViewPreferences('default')),
             backupConfig: this.config
           }))
         },
         create: {
-          id: 'default',
+          userId: 'default',
           kanbanFilters: {},
           viewPreferences: JSON.parse(JSON.stringify({ backupConfig: this.config })),
           columnVisibility: {},