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

app/api/projects/export/route.ts

@@ -1,8 +1,14 @@
-import { NextResponse } from 'next/server';
+import { NextRequest, NextResponse } from 'next/server';
 import { projectService } from '@/lib/prisma';
+import { requireSessionAuth } from '@/lib/auth';
 
-export async function GET() {
+export async function GET(request: NextRequest) {
   try {
+    const isAdminRequest = request.headers.get('x-admin-request') === 'true';
+    if (!isAdminRequest) return NextResponse.json({ error: 'Admin access required' }, { status: 403 });
+    const authError = requireSessionAuth(request);
+    if (authError) return authError;
+
     // Get all projects with full data
     const projectsResult = await projectService.getAllProjects();
     const projects = projectsResult.projects || projectsResult;