Add .runsettings file for code coverage configuration and update tasks-coverage.ps1 to use it

Author: vp

.runsettings

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RunSettings>
+  <DataCollectionRunSettings>
+    <DataCollectors>
+      <DataCollector friendlyName="Code Coverage">
+        <Configuration>
+          <CodeCoverage>
+            <ExcludeByFile>
+              <File>**/Program.cs</File>
+            </ExcludeByFile>
+          </CodeCoverage>
+        </Configuration>
+      </DataCollector>
+    </DataCollectors>
+  </DataCollectionRunSettings>
+</RunSettings>

.vscode/tasks-coverage.ps1

@@ -16,7 +16,7 @@ $runDir = Join-Path $fullResults "run_$timestamp"
 New-Item -ItemType Directory -Force -Path $runDir | Out-Null
 $logFile = Join-Path $runDir 'test.log'
 Write-Host 'Executing dotnet test with coverage...' -ForegroundColor Green
-& dotnet test $Solution --collect:"XPlat Code Coverage" --results-directory $runDir | Tee-Object -FilePath $logFile
+& dotnet test $Solution --collect:"XPlat Code Coverage" --results-directory $runDir --settings:.runsettings | Tee-Object -FilePath $logFile
 if($LASTEXITCODE -ne 0){ Write-Host 'dotnet test failed.' -ForegroundColor Red; exit 1 }
 # Find coverage files (cobertura or json)
 $coverageFiles = Get-ChildItem -Recurse -Path $runDir -Filter 'coverage.cobertura.xml'