fix: Use PowerShell instead of deprecated wmic for Windows CPU detection

wmic is deprecated in newer Windows versions and returns empty results.
Use Get-CimInstance Win32_Processor via PowerShell instead.

internal/pkg/envcheck/capabilities.go

@@ -1,4 +1,4 @@
-// Copyright 2026 MarketAlly. All rights reserved.
+// Copyright 2026 MarketAlly. All rights reserved.
 // SPDX-License-Identifier: MIT
 
 package envcheck
@@ -967,23 +967,19 @@ func detectCPULoad() *CPUInfo {
 			}
 		}
 	case "windows":
-		// Windows doesn't have load average, use CPU usage via wmic
+		// Windows doesn't have load average, use PowerShell to get CPU usage
-		ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+		// wmic is deprecated, use Get-CimInstance instead
+		ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 		defer cancel()
-		cmd := exec.CommandContext(ctx, "wmic", "cpu", "get", "loadpercentage")
+		cmd := exec.CommandContext(ctx, "powershell", "-NoProfile", "-Command",
+			"(Get-CimInstance Win32_Processor | Measure-Object -Property LoadPercentage -Average).Average")
 		output, err := cmd.Output()
 		if err == nil {
-			lines := strings.Split(string(output), "\n")
+			line := strings.TrimSpace(string(output))
-			for _, line := range lines {
+			if load, err := parseFloat(line); err == nil {
-				line = strings.TrimSpace(line)
+				info.LoadPercent = load
-				if line != "" && line != "LoadPercentage" {
+				info.LoadAvg1m = load * float64(numCPU) / 100.0
-					if load, err := parseFloat(line); err == nil {
+				return info
-						// Convert percentage to "load" equivalent
-						info.LoadPercent = load
-						info.LoadAvg1m = load * float64(numCPU) / 100.0
-						return info
-					}
-				}
 			}
 		}
 	}