固定前缀：nextai-production-test
测试字符串写入与覆盖(缓存 TTL 1 小时)
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"env": "production",
"prefix": "nextai-production-test",
"redisAvailable": true,
"stringValue": null,
"hashValue": {},
"listValue": [],
"listLength": 0,
"counterValue": 0,
"lockSuccessCount": 0
}