Complete scratch iteration 004 setup and grouped route-action fixes

scripts/build-all-solutions.ps1

@@ -5,7 +5,9 @@
 
 .DESCRIPTION
     Discovers all *.sln files under src/ (excluding the root StellaOps.sln)
-    and runs dotnet build on each. Pass -Test to also run dotnet test.
+    and skips generated output trees such as node_modules, bin, obj, dist,
+    coverage, and output before running dotnet build on each. Pass -Test to
+    also run dotnet test.
 
 .PARAMETER Test
     Also run dotnet test on each solution after building.
@@ -147,10 +149,12 @@ if ($StopRepoHostProcesses) {
     Stop-RepoHostProcesses -Root $repoRoot
 }
 
+$excludedSolutionRootPattern = '[\\/](node_modules|bin|obj|dist|coverage|output)[\\/]'
+
 $solutions = Get-ChildItem -Path $srcDir -Filter '*.sln' -Recurse |
     Where-Object {
         $_.Name -ne 'StellaOps.sln' -and
-        $_.FullName -notmatch '[\\/](node_modules|bin|obj)[\\/]'
+        $_.FullName -notmatch $excludedSolutionRootPattern
     } |
     Sort-Object FullName