feat(auth): implement session token creation and verification for enhanced security

feat(api): require session authentication for admin routes and improve error handling

fix(api): streamline project image generation by fetching data directly from the database

fix(api): optimize project import/export functionality with session validation and improved error handling

fix(api): enhance analytics dashboard and email manager with session token for admin requests

fix(components): improve loading states and dynamic imports for better user experience

chore(security): update Content Security Policy to avoid unsafe-eval in production

chore(deps): update package.json scripts for consistent environment handling in linting and testing

components/ProjectManager.tsx

@@ -80,10 +80,12 @@ export const ProjectManager: React.FC<ProjectManagerProps> = ({
     if (!confirm('Are you sure you want to delete this project?')) return;
     
     try {
+      const sessionToken = sessionStorage.getItem('admin_session_token') || '';
       await fetch(`/api/projects/${projectId}`, {
         method: 'DELETE',
         headers: {
-          'x-admin-request': 'true'
+          'x-admin-request': 'true',
+          'x-session-token': sessionToken
         }
       });
       onProjectsChange();