Read current values from Grafana dashboards without knowing the underlying queries. Use when: asked about values visible in a Grafana dashboard (sensor readings, metrics, stats). Navigate by dashboard and panel name — no PromQL/SQL needed. NOT for: writing to Grafana, admin operations, or raw query execution.

无需了解底层查询即可读取Grafana仪表板中的当前值。适用于：询问Grafana仪表板中可见的数值（如传感器读数、指标、统计信息）。通过仪表板和面板名称进行导航，无需使用PromQL或SQL。不适用于：向Grafana写入数据、管理员操作或直接执行原始查询。