feat: production deployment configuration for dk0.dev

- Fixed authentication system (removed HTTP Basic Auth popup)
- Added session-based authentication with proper logout
- Updated rate limiting (20 req/s for login, 5 req/m for admin)
- Created production deployment scripts and configs
- Updated nginx configuration for dk0.dev domain
- Added comprehensive production deployment guide
- Fixed logout button functionality
- Optimized for production with proper resource limits

app/api/analytics/dashboard/route.ts

@@ -1,7 +1,7 @@
 import { NextRequest, NextResponse } from 'next/server';
 import { projectService } from '@/lib/prisma';
 import { analyticsCache } from '@/lib/redis';
-import { requireAdminAuth, checkRateLimit, getRateLimitHeaders } from '@/lib/auth';
+import { requireSessionAuth, checkRateLimit, getRateLimitHeaders } from '@/lib/auth';
 
 export async function GET(request: NextRequest) {
   try {
@@ -24,7 +24,7 @@ export async function GET(request: NextRequest) {
     // The middleware has already verified the admin session for /manage routes
     const isAdminRequest = request.headers.get('x-admin-request') === 'true';
     if (!isAdminRequest) {
-      const authError = requireAdminAuth(request);
+      const authError = requireSessionAuth(request);
       if (authError) {
         return authError;
       }