feat: enhance solution structure and CI workflows

.github/workflows/ci.yml

@@ -7,6 +7,15 @@ on:
     branches: [ main ]
 
 jobs:
+  workflow-lint:
+    name: Lint GitHub Actions workflows
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+      - name: actionlint
+        uses: rhysd/actionlint@v1.7.12
+
   changes:
     name: Detect package-impacting changes
     runs-on: ubuntu-latest
@@ -21,7 +30,7 @@ jobs:
       any_changed: ${{ steps.flags.outputs.any_changed }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -33,6 +42,12 @@ jobs:
             workflows:
               - '.github/workflows/ci.yml'
               - '.github/workflows/release.yml'
+            tooling:
+              - 'Directory.Build.props'
+              - 'Directory.Packages.props'
+              - 'src/analyticsLibrary.ReleaseTooling/**'
+              - 'tools/analyticsLibrary.NuGetMaintenance/**'
+              - 'tests/analyticsLibrary.ReleaseTooling.Tests/**'
             core:
               - 'src/analyticsLibrary.Core/**'
             algorithms:
@@ -51,6 +66,13 @@ jobs:
       - name: Compute effective package flags
         id: flags
         run: |
+          if [ '${{ steps.filter.outputs.tooling }}' = "true" ]; then
+            for n in core_changed algorithms_changed statistics_changed excel_changed access_changed hadoop_changed root_changed any_changed; do
+              echo "${n}=true" >> "$GITHUB_OUTPUT"
+            done
+            exit 0
+          fi
+
           WORKFLOWS_CHANGED='${{ steps.filter.outputs.workflows }}'
           set_flag() {
             local name="$1"
@@ -86,7 +108,9 @@ jobs:
   no-package-changes:
     name: No package-impacting changes
     runs-on: ubuntu-latest
-    needs: changes
+    needs:
+      - changes
+      - workflow-lint
     if: needs.changes.outputs.any_changed != 'true'
     steps:
       - name: Skip message
@@ -95,15 +119,17 @@ jobs:
   build-test-pack:
     name: Build, Test, and Pack
     runs-on: ubuntu-latest
-    needs: changes
+    needs:
+      - changes
+      - workflow-lint
     if: needs.changes.outputs.any_changed == 'true'
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: '8.0.x'
 
@@ -114,7 +140,7 @@ jobs:
         run: dotnet build -c Release --no-restore
 
       - name: Test
-        run: dotnet test -c Release --no-build --verbosity normal
+        run: dotnet test -c Release --no-build --verbosity normal --filter "Category!=Integration"
 
       - name: Pack
         run: |
@@ -180,7 +206,7 @@ jobs:
             local package_name="$2"
             if [ "$should_pack" = "true" ]; then
               EXPECTED=$((EXPECTED+1))
-              if ! ls ./artifacts/${package_name}.*.nupkg 1>/dev/null 2>&1; then
+              if ! ls "./artifacts/${package_name}."*.nupkg 1>/dev/null 2>&1; then
                 echo "ERROR: Expected package not found: ${package_name}"
                 exit 1
               fi
@@ -202,7 +228,7 @@ jobs:
           echo "All expected packages found."
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: nuget-packages-${{ github.run_id }}
           path: ./artifacts/*.nupkg