PORT=3000 NODE_ENV=development DATABASE_URL="mysql://zhixi_user:Zhixi%402026%21App@localhost:3306/zhixi" REDIS_HOST=localhost REDIS_PORT=6379 REDIS_PASSWORD= REDIS_DB=0 AI_PROVIDER=mock AI_API_KEY= AI_BASE_URL= JWT_SECRET=change_me_in_production JWT_EXPIRES_IN=1h JWT_REFRESH_EXPIRES_IN=7d APPLE_BUNDLE_ID=cloud.longde.AIStudyApp APPLE_ISSUER=https://appleid.apple.com APPLE_JWKS_URL=https://appleid.apple.com/auth/keys ENABLE_SWAGGER=true SWAGGER_USER=admin SWAGGER_PASSWORD=change_me STORAGE_DRIVER=local STORAGE_LOCAL_PATH=./uploads STORAGE_COS_SECRET_ID=your-cos-secret-id STORAGE_COS_SECRET_KEY=your-cos-secret-key STORAGE_COS_BUCKET=your-bucket-name-appid STORAGE_COS_REGION=ap-beijing STORAGE_COS_DOMAIN=your-custom-domain.example.com