add temperature data to mock nodes

addresses mock data not keeping up with new features added in v4.16.0. mock nodes now generate realistic CPU package, core, and NVMe temperatures to match the temperature monitoring feature.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

internal/mock/generator.go

@@ -258,6 +258,9 @@ func generateNode(name string, highLoad bool, config MockConfig) models.Node {
 		"5.15.143-1-pve",
 	}
 
+	// Generate temperature data
+	temp := generateNodeTemperature(cores)
+
 	return models.Node{
 		Name:          name,
 		Instance:      "", // Set by generateNodes based on cluster/standalone
@@ -285,8 +288,65 @@ func generateNode(name string, highLoad bool, config MockConfig) models.Node {
 			Sockets: cores / 4, // Assume 4 cores per socket
 			MHz:     "2400",
 		},
-		Host: fmt.Sprintf("https://%s.local:8006", name),
-		ID:   fmt.Sprintf("node/%s", name),
+		Temperature: temp,
+		Host:        fmt.Sprintf("https://%s.local:8006", name),
+		ID:          fmt.Sprintf("node/%s", name),
+	}
+}
+
+// generateNodeTemperature generates realistic temperature data for a node
+func generateNodeTemperature(cores int) *models.Temperature {
+	// 30% chance of no temperature data (sensors not available)
+	if rand.Float64() < 0.3 {
+		return &models.Temperature{
+			Available: false,
+		}
+	}
+
+	// Generate CPU package temperature (40-75°C normal range)
+	cpuPackage := 40.0 + rand.Float64()*35.0
+	if rand.Float64() < 0.1 { // 10% chance of high temp
+		cpuPackage = 75.0 + rand.Float64()*15.0 // 75-90°C
+	}
+
+	// Generate core temperatures (similar to package, with variation)
+	coreTemps := make([]models.CoreTemp, cores)
+	maxTemp := cpuPackage
+	for i := 0; i < cores; i++ {
+		coreTemp := cpuPackage + (rand.Float64()-0.5)*10.0 // ±5°C from package
+		if coreTemp < 30.0 {
+			coreTemp = 30.0
+		}
+		if coreTemp > maxTemp {
+			maxTemp = coreTemp
+		}
+		coreTemps[i] = models.CoreTemp{
+			ID:          i,
+			Temperature: coreTemp,
+		}
+	}
+
+	// Generate NVMe temperatures (0-2 NVMe drives)
+	numNVMe := rand.Intn(3)
+	nvmeTemps := make([]models.NVMeTemp, numNVMe)
+	for i := 0; i < numNVMe; i++ {
+		nvmeTemp := 35.0 + rand.Float64()*40.0 // 35-75°C normal range
+		if rand.Float64() < 0.05 {             // 5% chance of high temp
+			nvmeTemp = 75.0 + rand.Float64()*10.0 // 75-85°C
+		}
+		nvmeTemps[i] = models.NVMeTemp{
+			Device:      fmt.Sprintf("nvme%d", i),
+			Temperature: nvmeTemp,
+		}
+	}
+
+	return &models.Temperature{
+		CPUPackage: cpuPackage,
+		CPUMax:     maxTemp,
+		Cores:      coreTemps,
+		NVMe:       nvmeTemps,
+		Available:  true,
+		LastUpdate: time.Now(),
 	}
 }