feat: phase1 platform upgrade with moderation, dev payments, admin panel and landing updates

.env.example

@@ -37,6 +37,7 @@ AI_MODEL_DEFAULT="openai/gpt-4o-mini"
 STRIPE_SECRET_KEY="sk_test_..."
 STRIPE_WEBHOOK_SECRET="whsec_..."
 NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY="pk_test_..."
+PAYMENT_MODE="PROD" # DEV | PROD
 
 # Stripe Price IDs
 STRIPE_PRICE_PREMIUM="price_..."
@@ -53,6 +54,15 @@ S3_SECRET_ACCESS_KEY="your-secret-key"
 S3_BUCKET_NAME="coursecraft"
 S3_REGION="auto"
 
+# Cooperation form email (optional; if not set requests are still saved in DB)
+COOPERATION_EMAIL_TO="exbytestudios@gmail.com"
+COOPERATION_EMAIL_FROM="noreply@coursecraft.local"
+SMTP_HOST=""
+SMTP_PORT="587"
+SMTP_USER=""
+SMTP_PASS=""
+SMTP_SECURE="false"
+
 # App URLs (API на 3125; веб — свой порт, напр. 3000)
 NEXT_PUBLIC_APP_URL="http://localhost:3000"
 NEXT_PUBLIC_API_URL="http://localhost:3125"