ci: add sll support and enhance e2e workflow

.env.e2e.example

@@ -1,25 +1,27 @@
-# Pi Ku E2E Environment Configuration Template
+# DATABASE
+DB_NAME=piku_test_db
+DB_USER=test
+DB_PASSWORD=password123
+DB_HOST=localhost
+DB_PORT=5433
 
-# Database (Postgres)
-E2E_DB_NAME=piku_e2e_db
-E2E_DB_PORT=5433
-E2E_DB_USER=piku_test
-E2E_DB_PASS=piku_test
-E2E_DB_DB=piku_e2e
+# SSL
+SSL_ENABLED=false
 
-# Backend (Django)
-E2E_BACKEND_PORT=8001
-SECRET_KEY=e2e-secret-key-for-piku-testing
+# DJANGO
 DEBUG=True
-ALLOWED_HOSTS=*
-CORS_ALLOWED_ORIGINS=https://localhost:5173
-FRONTEND_URL=https://localhost:5173
-EMAIL_HOST=localhost
-EMAIL_PORT=1025
+SECRET_KEY=django-insecure-initial-key
+BACKEND_DOMAIN=127.0.0.1
+BACKEND_PORT=8001
+
+# EMAIL
+EMAIL_HOST=127.0.0.1
+EMAIL_PORT=1026
+FROM_EMAIL="Test <test@pi-ku.app>"
 EMAIL_HOST_USER=
 EMAIL_HOST_PASSWORD=
-FROM_EMAIL=testing@piku.local
-MAILPIT_API_URL=http://localhost:8025/api/v1
+EMAIL_API_PORT=8026
 
-# Frontend (Vite/Playwright)
-VITE_API_URL=https://localhost:8001
+# FRONTEND
+FRONTEND_PORT=5199
+FRONTEND_DOMAIN=127.0.0.1