feat: enhance status UI with new styles and icons, refactor battery metrics with caching, and centralize Apple Silicon clean logic.

cmd/status/metrics.go

@@ -138,10 +138,18 @@ type BluetoothDevice struct {
 }
 
 type Collector struct {
-	prevNet    map[string]net.IOCountersStat
+	// Static Cache (Collected once at startup)
-	lastNetAt  time.Time
+	cachedHW   HardwareInfo
+	lastHWAt   time.Time
+	hasStatic  bool
+
+	// Slow Cache (Collected every 30s-1m)
 	lastBTAt   time.Time
 	lastBT     []BluetoothDevice
+
+	// Fast Metrics (Collected every 1 second)
+	prevNet    map[string]net.IOCountersStat
+	lastNetAt  time.Time
 	lastGPUAt  time.Time
 	cachedGPU  []GPUStatus
 	prevDiskIO disk.IOCountersStat
@@ -209,14 +217,32 @@ func (c *Collector) Collect() (MetricsSnapshot, error) {
 	collect(func() (err error) { thermalStats = collectThermal(); return nil })
 	collect(func() (err error) { sensorStats, _ = collectSensors(); return nil })
 	collect(func() (err error) { gpuStats, err = c.collectGPU(now); return })
-	collect(func() (err error) { btStats = c.collectBluetooth(now); return nil })
+	collect(func() (err error) {
+		// Bluetooth is slow, cache for 30s
+		if now.Sub(c.lastBTAt) > 30*time.Second || len(c.lastBT) == 0 {
+			btStats = c.collectBluetooth(now)
+			c.lastBT = btStats
+			c.lastBTAt = now
+		} else {
+			btStats = c.lastBT
+		}
+		return nil
+	})
 	collect(func() (err error) { topProcs = collectTopProcesses(); return nil })
 
 	// Wait for all to complete
 	wg.Wait()
 
 	// Dependent tasks (must run after others)
-	hwInfo := collectHardware(memStats.Total, diskStats)
+	// Dependent tasks (must run after others)
+	// Cache hardware info as it's expensive and rarely changes
+	if !c.hasStatic || now.Sub(c.lastHWAt) > 10*time.Minute {
+		c.cachedHW = collectHardware(memStats.Total, diskStats)
+		c.lastHWAt = now
+		c.hasStatic = true
+	}
+	hwInfo := c.cachedHW
+
 	score, scoreMsg := calculateHealthScore(cpuStats, memStats, diskStats, diskIO, thermalStats)
 
 	return MetricsSnapshot{

cmd/status/metrics_battery.go

@@ -14,6 +14,13 @@ import (
 	"github.com/shirou/gopsutil/v3/host"
 )
 
+var (
+	// Package-level cache for heavy system_profiler data
+	lastPowerAt   time.Time
+	cachedPower   string
+	powerCacheTTL = 30 * time.Second
+)
+
 func collectBatteries() (batts []BatteryStatus, err error) {
 	defer func() {
 		if r := recover(); r != nil {
@@ -22,10 +29,12 @@ func collectBatteries() (batts []BatteryStatus, err error) {
 		}
 	}()
 
-	// macOS: pmset
+	// macOS: pmset (fast, for real-time percentage/status)
 	if runtime.GOOS == "darwin" && commandExists("pmset") {
 		if out, err := runCmd(context.Background(), "pmset", "-g", "batt"); err == nil {
-			if batts := parsePMSet(out); len(batts) > 0 {
+			// Get heavy info (health, cycles) from cached system_profiler
+			health, cycles := getCachedPowerData()
+			if batts := parsePMSet(out, health, cycles); len(batts) > 0 {
 				return batts, nil
 			}
 		}
@@ -58,7 +67,7 @@ func collectBatteries() (batts []BatteryStatus, err error) {
 	return nil, errors.New("no battery data found")
 }
 
-func parsePMSet(raw string) []BatteryStatus {
+func parsePMSet(raw string, health string, cycles int) []BatteryStatus {
 	lines := strings.Split(raw, "\n")
 	var out []BatteryStatus
 	var timeLeft string
@@ -101,9 +110,6 @@ func parsePMSet(raw string) []BatteryStatus {
 			continue
 		}
 
-		// Get battery health and cycle count
-		health, cycles := getBatteryHealth()
-
 		out = append(out, BatteryStatus{
 			Percent:    percent,
 			Status:     status,
@@ -115,20 +121,12 @@ func parsePMSet(raw string) []BatteryStatus {
 	return out
 }
 
-func getBatteryHealth() (string, int) {
+// getCachedPowerData returns condition, cycles, and fan speed from cached system_profiler output.
-	if runtime.GOOS != "darwin" {
+func getCachedPowerData() (health string, cycles int) {
+	out := getSystemPowerOutput()
+	if out == "" {
 		return "", 0
 	}
-	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
-	defer cancel()
-
-	out, err := runCmd(ctx, "system_profiler", "SPPowerDataType")
-	if err != nil {
-		return "", 0
-	}
-
-	var health string
-	var cycles int
 
 	lines := strings.Split(out, "\n")
 	for _, line := range lines {
@@ -149,6 +147,27 @@ func getBatteryHealth() (string, int) {
 	return health, cycles
 }
 
+func getSystemPowerOutput() string {
+	if runtime.GOOS != "darwin" {
+		return ""
+	}
+
+	now := time.Now()
+	if cachedPower != "" && now.Sub(lastPowerAt) < powerCacheTTL {
+		return cachedPower
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	out, err := runCmd(ctx, "system_profiler", "SPPowerDataType")
+	if err == nil {
+		cachedPower = out
+		lastPowerAt = now
+	}
+	return cachedPower
+}
+
 func collectThermal() ThermalStatus {
 	if runtime.GOOS != "darwin" {
 		return ThermalStatus{}
@@ -156,12 +175,9 @@ func collectThermal() ThermalStatus {
 
 	var thermal ThermalStatus
 
-	// Get fan info from system_profiler
+	// Get fan info from cached system_profiler
-	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
+	out := getSystemPowerOutput()
-	defer cancel()
+	if out != "" {
-
-	out, err := runCmd(ctx, "system_profiler", "SPPowerDataType")
-	if err == nil {
 		lines := strings.Split(out, "\n")
 		for _, line := range lines {
 			lower := strings.ToLower(line)

cmd/status/metrics_cpu.go

@@ -84,6 +84,13 @@ func isZeroLoad(avg load.AvgStat) bool {
 	return avg.Load1 == 0 && avg.Load5 == 0 && avg.Load15 == 0
 }
 
+var (
+	// Package-level cache for core topology
+	lastTopologyAt time.Time
+	cachedP, cachedE int
+	topologyTTL    = 10 * time.Minute
+)
+
 // getCoreTopology returns P-core and E-core counts on Apple Silicon.
 // Returns (0, 0) on non-Apple Silicon or if detection fails.
 func getCoreTopology() (pCores, eCores int) {
@@ -91,6 +98,13 @@ func getCoreTopology() (pCores, eCores int) {
 		return 0, 0
 	}
 
+	now := time.Now()
+	if cachedP > 0 || cachedE > 0 {
+		if now.Sub(lastTopologyAt) < topologyTTL {
+			return cachedP, cachedE
+		}
+	}
+
 	ctx, cancel := context.WithTimeout(context.Background(), 500*time.Millisecond)
 	defer cancel()
 
@@ -130,6 +144,8 @@ func getCoreTopology() (pCores, eCores int) {
 		eCores = level1Count
 	}
 
+	cachedP, cachedE = pCores, eCores
+	lastTopologyAt = now
 	return pCores, eCores
 }
 

cmd/status/metrics_disk.go

@@ -93,26 +93,42 @@ func collectDisks() ([]DiskStatus, error) {
 	return disks, nil
 }
 
+var (
+	// Package-level cache for external disk status
+	lastDiskCacheAt time.Time
+	diskTypeCache   = make(map[string]bool)
+	diskCacheTTL    = 2 * time.Minute
+)
+
 func annotateDiskTypes(disks []DiskStatus) {
 	if len(disks) == 0 || runtime.GOOS != "darwin" || !commandExists("diskutil") {
 		return
 	}
-	cache := make(map[string]bool)
+
+	now := time.Now()
+	// Clear cache if stale
+	if now.Sub(lastDiskCacheAt) > diskCacheTTL {
+		diskTypeCache = make(map[string]bool)
+		lastDiskCacheAt = now
+	}
+
 	for i := range disks {
 		base := baseDeviceName(disks[i].Device)
 		if base == "" {
 			base = disks[i].Device
 		}
-		if val, ok := cache[base]; ok {
+
+		if val, ok := diskTypeCache[base]; ok {
 			disks[i].External = val
 			continue
 		}
+
 		external, err := isExternalDisk(base)
 		if err != nil {
 			external = strings.HasPrefix(disks[i].Mount, "/Volumes/")
 		}
 		disks[i].External = external
-		cache[base] = external
+		diskTypeCache[base] = external
 	}
 }
 

cmd/status/view.go

@@ -12,24 +12,25 @@ import (
 
 var (
 	titleStyle  = lipgloss.NewStyle().Foreground(lipgloss.Color("#C79FD7")).Bold(true)
-	subtleStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("#9E9E9E"))
+	subtleStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("#737373"))
 	warnStyle   = lipgloss.NewStyle().Foreground(lipgloss.Color("#FFD75F"))
-	dangerStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("#FF6B6B")).Bold(true)
+	dangerStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("#FF5F5F")).Bold(true)
-	okStyle     = lipgloss.NewStyle().Foreground(lipgloss.Color("#87D787"))
+	okStyle     = lipgloss.NewStyle().Foreground(lipgloss.Color("#A5D6A7"))
-	lineStyle   = lipgloss.NewStyle().Foreground(lipgloss.Color("#5A5A5A"))
+	lineStyle   = lipgloss.NewStyle().Foreground(lipgloss.Color("#404040"))
-	hatStyle    = lipgloss.NewStyle().Foreground(lipgloss.Color("#FF0000"))
+	hatStyle    = lipgloss.NewStyle().Foreground(lipgloss.Color("#FF4D4D"))
+	primaryStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("#BD93F9"))
 )
 
 const (
 	colWidth    = 38
-	iconCPU     = "⚙"
+	iconCPU     = "◉"
-	iconMemory  = "▦"
+	iconMemory  = "◫"
-	iconGPU     = "▣"
+	iconGPU     = "◧"
-	iconDisk    = "▤"
+	iconDisk    = "▥"
 	iconNetwork = "⇅"
-	iconBattery = "▮"
+	iconBattery = "◪"
-	iconSensors = "♨"
+	iconSensors = "◈"
-	iconProcs   = "▶"
+	iconProcs   = "❊"
 )
 
 // Check if it's Christmas season (Dec 10-31)
@@ -167,39 +168,46 @@ func renderHeader(m MetricsSnapshot, errMsg string, animFrame int, termWidth int
 	// Title
 	title := titleStyle.Render("Mole Status")
 
-	// Health Score with color and label
+	// Health Score
 	scoreStyle := getScoreStyle(m.HealthScore)
 	scoreText := subtleStyle.Render("Health ") + scoreStyle.Render(fmt.Sprintf("● %d", m.HealthScore))
 
-	// Hardware info
+	// Hardware info - compact for single line
 	infoParts := []string{}
 	if m.Hardware.Model != "" {
-		infoParts = append(infoParts, m.Hardware.Model)
+		infoParts = append(infoParts, primaryStyle.Render(m.Hardware.Model))
 	}
 	if m.Hardware.CPUModel != "" {
 		cpuInfo := m.Hardware.CPUModel
+		// Add GPU core count if available (compact format)
 		if len(m.GPU) > 0 && m.GPU[0].CoreCount > 0 {
-			cpuInfo += fmt.Sprintf(" (%d GPU cores)", m.GPU[0].CoreCount)
+			cpuInfo += fmt.Sprintf(" (%dGPU)", m.GPU[0].CoreCount)
 		}
 		infoParts = append(infoParts, cpuInfo)
 	}
+	// Combine RAM and Disk to save space
+	var specs []string
 	if m.Hardware.TotalRAM != "" {
-		infoParts = append(infoParts, m.Hardware.TotalRAM)
+		specs = append(specs, m.Hardware.TotalRAM)
 	}
 	if m.Hardware.DiskSize != "" {
-		infoParts = append(infoParts, m.Hardware.DiskSize)
+		specs = append(specs, m.Hardware.DiskSize)
+	}
+	if len(specs) > 0 {
+		infoParts = append(infoParts, strings.Join(specs, "/"))
 	}
 	if m.Hardware.OSVersion != "" {
 		infoParts = append(infoParts, m.Hardware.OSVersion)
 	}
 
+	// Single line compact header
 	headerLine := title + "  " + scoreText + "  " + subtleStyle.Render(strings.Join(infoParts, " · "))
 
 	// Running mole animation
 	mole := getMoleFrame(animFrame, termWidth)
 
 	if errMsg != "" {
-		return lipgloss.JoinVertical(lipgloss.Left, headerLine, "", mole, dangerStyle.Render(errMsg), "")
+		return lipgloss.JoinVertical(lipgloss.Left, headerLine, "", mole, dangerStyle.Render("ERROR: "+errMsg), "")
 	}
 	return headerLine + "\n" + mole
 }
@@ -580,11 +588,11 @@ func renderSensorsCard(sensors []SensorReading) cardData {
 
 func renderCard(data cardData, width int, height int) string {
 	titleText := data.icon + " " + data.title
-	lineLen := width - lipgloss.Width(titleText) - 1
+	lineLen := width - lipgloss.Width(titleText) - 2
 	if lineLen < 4 {
 		lineLen = 4
 	}
-	header := titleStyle.Render(titleText) + " " + lineStyle.Render(strings.Repeat("─", lineLen))
+	header := titleStyle.Render(titleText) + "  " + lineStyle.Render(strings.Repeat("╌", lineLen))
 	content := header + "\n" + strings.Join(data.lines, "\n")
 
 	// Pad to target height
@@ -596,7 +604,7 @@ func renderCard(data cardData, width int, height int) string {
 }
 
 func progressBar(percent float64) string {
-	total := 18
+	total := 16
 	if percent < 0 {
 		percent = 0
 	}
@@ -604,9 +612,6 @@ func progressBar(percent float64) string {
 		percent = 100
 	}
 	filled := int(percent / 100 * float64(total))
-	if filled > total {
-		filled = total
-	}
 
 	var builder strings.Builder
 	for i := 0; i < total; i++ {
@@ -620,7 +625,7 @@ func progressBar(percent float64) string {
 }
 
 func batteryProgressBar(percent float64) string {
-	total := 18
+	total := 16
 	if percent < 0 {
 		percent = 0
 	}
@@ -628,9 +633,6 @@ func batteryProgressBar(percent float64) string {
 		percent = 100
 	}
 	filled := int(percent / 100 * float64(total))
-	if filled > total {
-		filled = total
-	}
 
 	var builder strings.Builder
 	for i := 0; i < total; i++ {
@@ -645,9 +647,9 @@ func batteryProgressBar(percent float64) string {
 
 func colorizePercent(percent float64, s string) string {
 	switch {
-	case percent >= 90:
+	case percent >= 85:
 		return dangerStyle.Render(s)
-	case percent >= 70:
+	case percent >= 60:
 		return warnStyle.Render(s)
 	default:
 		return okStyle.Render(s)