more minor changes to fix compilation issues

scripts/build.ps1

@@ -1,7 +1,7 @@
 param(
     [ValidateSet("Debug", "Release")]
     [string]$Configuration = "Release",
-    [string]$BuildDirectory = "build"
+    [string]$BuildDirectory = "build-ninja"
 )
 
 $ErrorActionPreference = "Stop"
@@ -31,6 +31,13 @@ if ($LASTEXITCODE -ne 0) {
     exit $LASTEXITCODE
 }
 
+$compilationDatabase = Join-Path $buildPath "compile_commands.json"
+if (-not (Test-Path $compilationDatabase)) {
+    Write-Error "CMake did not generate compile_commands.json at '$compilationDatabase'."
+    exit 1
+}
+Copy-Item -LiteralPath $compilationDatabase -Destination (Join-Path $sourceDirectory "compile_commands.json") -Force
+
 & cmake --build $buildPath --config $Configuration
 if ($LASTEXITCODE -ne 0) {
     exit $LASTEXITCODE
@@ -38,3 +45,4 @@ if ($LASTEXITCODE -ne 0) {
 
 $outputPath = Join-Path $buildPath "bin\$($Configuration.ToLowerInvariant())\LumberJack.exe"
 Write-Host "Build complete: $outputPath"
+Write-Host "Updated compile_commands.json for clangd."