PORT=3000 DATABASE_URL="mysql://zhixi_user:Zhixi@2026!App@81.70.187.179:3306/zhixi" REDIS_HOST=81.70.187.179 REDIS_PORT=6379 REDIS_PASSWORD= REDIS_DB=0 AI_PROVIDER=mock AI_API_KEY= AI_BASE_URL= JWT_SECRET=change_me_in_production NODE_ENV=development ENABLE_SWAGGER=true SWAGGER_USER=admin SWAGGER_PASSWORD=change_me