Enhance monitoring features and UI:

- Add detailed CPU core monitoring option for better performance control
- Update monitoring settings in app configuration
- Improve parallel task execution for resource usage monitoring
- Modify Telegram notification service to skip alerts from svchost processes
- Add "Memory %" column to process table in HTML and update related JavaScript
- Create performance test scripts for API response time evaluation

install-service.ps1

@@ -77,6 +77,25 @@ try {
     exit 1
 }
 
+# Check if service is currently running and stop it before building
+Write-Host "Checking for existing service..."
+try {
+    $existingService = Get-Service -Name $SERVICE_NAME -ErrorAction SilentlyContinue
+    if ($existingService) {
+        Write-Host "Found existing service: $($existingService.Status)" -ForegroundColor Yellow
+        if ($existingService.Status -eq "Running") {
+            Write-Host "Stopping running service before build..."
+            Stop-Service -Name $SERVICE_NAME -Force -ErrorAction Stop
+            Write-Host "Service stopped successfully" -ForegroundColor Green
+            Start-Sleep -Seconds 2  # Give it a moment to fully stop
+        }
+    } else {
+        Write-Host "No existing service found" -ForegroundColor Gray
+    }
+} catch {
+    Write-Host "Warning: Could not check existing service status: $($_.Exception.Message)" -ForegroundColor Yellow
+}
+
 # Build the service in release mode
 Write-Host "Building service..."
 try {