Oura Ring data integration and analytics. Fetch sleep scores, readiness, activity, HRV, and trends from the Oura Cloud API. Generate automated reports, correlations with productivity, and trigger-based alerts for low recovery days. Requires OURA_API_TOKEN (get at cloud.ouraring.com).

Oura Ring 数据集成与分析。通过 Oura Cloud API 获取睡眠评分、身体状态、活动量、心率变异性及趋势数据，自动生成报告，分析与工作效率的相关性，并在恢复不足日触发警报。需要 OURA_API_TOKEN（从 cloud.ouraring.com 获取）