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/actions/jira-anomalies.ts

@@ -3,6 +3,8 @@
 import { jiraAnomalyDetection, JiraAnomaly, AnomalyDetectionConfig } from '@/services/integrations/jira/anomaly-detection';
 import { JiraAnalyticsService, JiraAnalyticsConfig } from '@/services/integrations/jira/analytics';
 import { userPreferencesService } from '@/services/core/user-preferences';
+import { getServerSession } from 'next-auth';
+import { authOptions } from '@/lib/auth';
 
 export interface AnomalyDetectionResult {
   success: boolean;
@@ -15,8 +17,13 @@ export interface AnomalyDetectionResult {
  */
 export async function detectJiraAnomalies(forceRefresh = false): Promise<AnomalyDetectionResult> {
   try {
+    const session = await getServerSession(authOptions);
+    if (!session?.user?.id) {
+      return { success: false, error: 'Non authentifié' };
+    }
+
     // Récupérer la config Jira
-    const jiraConfig = await userPreferencesService.getJiraConfig();
+    const jiraConfig = await userPreferencesService.getJiraConfig(session.user.id);
     
     if (!jiraConfig?.baseUrl || !jiraConfig?.email || !jiraConfig?.apiToken || !jiraConfig?.projectKey) {
       return {