refactor: improve CPU/GPU display for better readability

- Keep showing top 3 busiest cores instead of all cores
- Simplify core info display: 'Load x.xx / x.xx / x.xx  (8P+4E)'
- Remove excessive comments in GPU card rendering
- Add missing sort import for core sorting logic

Co-authored-by: bsisduck <bluescreen@duck.com>

cmd/status/view.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"sort"
 	"strconv"
 	"strings"
 
@@ -186,9 +187,8 @@ func renderCPUCard(cpu CPUStatus) cardData {
 	var lines []string
 	lines = append(lines, fmt.Sprintf("Total  %s  %5.1f%%", progressBar(cpu.Usage), cpu.Usage))
 
-	// Show core topology info if available (Apple Silicon)
 	if cpu.PCoreCount > 0 && cpu.ECoreCount > 0 {
-		lines = append(lines, subtleStyle.Render(fmt.Sprintf("%.2f / %.2f / %.2f  (%dP + %dE cores)",
+		lines = append(lines, subtleStyle.Render(fmt.Sprintf("Load   %.2f / %.2f / %.2f  (%dP+%dE)",
 			cpu.Load1, cpu.Load5, cpu.Load15, cpu.PCoreCount, cpu.ECoreCount)))
 	} else {
 		lines = append(lines, subtleStyle.Render(fmt.Sprintf("%.2f / %.2f / %.2f  (%d cores)",
@@ -198,23 +198,23 @@ func renderCPUCard(cpu CPUStatus) cardData {
 	if cpu.PerCoreEstimated {
 		lines = append(lines, subtleStyle.Render("Per-core data unavailable (using averaged load)"))
 	} else if len(cpu.PerCore) > 0 {
-		// Apple Silicon: Group cores into P-CPU and E-CPU
-		if cpu.PCoreCount > 0 && cpu.ECoreCount > 0 {
-			// P-cores (Performance) come first
-			lines = append(lines, titleStyle.Render("P-CPU"))
-			for i := 0; i < cpu.PCoreCount && i < len(cpu.PerCore); i++ {
-				lines = append(lines, fmt.Sprintf("Core%-2d %s  %5.1f%%", i+1, progressBar(cpu.PerCore[i]), cpu.PerCore[i]))
-			}
-			// E-cores (Efficiency) come after P-cores
-			lines = append(lines, titleStyle.Render("E-CPU"))
-			for i := cpu.PCoreCount; i < cpu.PCoreCount+cpu.ECoreCount && i < len(cpu.PerCore); i++ {
-				lines = append(lines, fmt.Sprintf("Core%-2d %s  %5.1f%%", i+1, progressBar(cpu.PerCore[i]), cpu.PerCore[i]))
-			}
-		} else {
-			// Non-Apple Silicon: Show all cores without grouping
-			for i, v := range cpu.PerCore {
-				lines = append(lines, fmt.Sprintf("Core%-2d %s  %5.1f%%", i+1, progressBar(v), v))
-			}
+		type coreUsage struct {
+			idx int
+			val float64
+		}
+		var cores []coreUsage
+		for i, v := range cpu.PerCore {
+			cores = append(cores, coreUsage{i, v})
+		}
+		sort.Slice(cores, func(i, j int) bool { return cores[i].val > cores[j].val })
+
+		maxCores := 3
+		if len(cores) < maxCores {
+			maxCores = len(cores)
+		}
+		for i := 0; i < maxCores; i++ {
+			c := cores[i]
+			lines = append(lines, fmt.Sprintf("Core%-2d %s  %5.1f%%", c.idx+1, progressBar(c.val), c.val))
 		}
 	}
 
@@ -227,17 +227,14 @@ func renderGPUCard(gpus []GPUStatus) cardData {
 		lines = append(lines, subtleStyle.Render("No GPU detected"))
 	} else {
 		for _, g := range gpus {
-			// Line 1: Usage bar (if available)
 			if g.Usage >= 0 {
 				lines = append(lines, fmt.Sprintf("Total  %s  %5.1f%%", progressBar(g.Usage), g.Usage))
 			}
-			// Line 2: GPU name and core count
 			coreInfo := ""
 			if g.CoreCount > 0 {
 				coreInfo = fmt.Sprintf("  (%d cores)", g.CoreCount)
 			}
 			lines = append(lines, subtleStyle.Render(g.Name+coreInfo))
-			// Line 3: Hint for sudo if usage unavailable
 			if g.Usage < 0 {
 				lines = append(lines, subtleStyle.Render("Run with sudo for usage metrics"))
 			}