refactor: Standardize user and organization ID properties, update Vite proxy port, and refactor data sheet file serving.

src/server/services/notificationService.ts

@@ -102,6 +102,18 @@ export const notificationService = {
         }
     },
 
+    async clearAll(userId: string, organizationId: string) {
+        try {
+            await query(
+                'DELETE FROM notifications WHERE organization_id = $1 AND (user_id = $2 OR user_id IS NULL)',
+                [organizationId, userId]
+            );
+        } catch (error) {
+            console.error('Error clearing all notifications:', error);
+            throw error;
+        }
+    },
+
     async archive(id: string, userId: string) {
         try {
             const check = await query('SELECT * FROM notifications WHERE id = $1', [id]);