feat: PRIMARY_SENSOR env var to choose dashboard temp

beszel/internal/agent/system.go

@@ -223,8 +223,10 @@ func (a *Agent) updateTemperatures(systemStats *system.Stats) error {
 		return nil
 	}
 
+	primarySensor, primarySensorIsDefined := GetEnv("PRIMARY_SENSOR")
+
 	// reset high temp
-	a.systemInfo.HighTemp = 0
+	a.systemInfo.DashboardTemp = 0
 
 	// get sensor data
 	temps, err := sensors.TemperaturesWithContext(a.sensorsContext)
@@ -255,7 +257,14 @@ func (a *Agent) updateTemperatures(systemStats *system.Stats) error {
 				continue
 			}
 		}
-		a.systemInfo.HighTemp = max(a.systemInfo.HighTemp, sensor.Temperature)
+		// set dashboard temperature
+		if primarySensorIsDefined {
+			if sensorName == primarySensor {
+				a.systemInfo.DashboardTemp = sensor.Temperature
+			}
+		} else {
+			a.systemInfo.DashboardTemp = max(a.systemInfo.DashboardTemp, sensor.Temperature)
+		}
 		systemStats.Temperatures[sensorName] = twoDecimals(sensor.Temperature)
 	}
 	return nil

beszel/internal/entities/system/system.go

@@ -76,7 +76,7 @@ type Info struct {
 	AgentVersion  string  `json:"v"`
 	Podman        bool    `json:"p,omitempty"`
 	GpuPct        float64 `json:"g,omitempty"`
-	HighTemp      float64 `json:"ht,omitempty"`
+	DashboardTemp float64 `json:"dt,omitempty"`
 }
 
 // Final data structure to return to the hub

beszel/site/src/components/systems-table/systems-table.tsx

@@ -193,7 +193,7 @@ export default function SystemsTable() {
 				header: sortableHeader,
 			},
 			{
-				accessorFn: (originalRow) => originalRow.info.ht,
+				accessorFn: (originalRow) => originalRow.info.dt,
 				id: t`Temp`,
 				invertSorting: true,
 				sortUndefined: -1,

beszel/site/src/types.d.ts

@@ -45,8 +45,8 @@ export interface SystemInfo {
 	p?: boolean
 	/** highest gpu utilization */
 	g?: number
-	/** highest temperature */
+	/** dashboard display temperature */
-	ht?: number
+	dt?: number
 }
 
 export interface SystemStats {