Add copilot coding agent setup workflow

.github/workflows/build-and-test.yaml

@@ -7,12 +7,14 @@ on:
     paths-ignore:
       - README.md
       - CHANGELOG.md
+      - .github/workflows/copilot-setup-steps.yml
 
   pull_request:
     branches: ["main"]
     paths-ignore:
       - README.md
       - CHANGELOG.md
+      - .github/workflows/copilot-setup-steps.yml
 
 jobs:
   version:

.github/workflows/copilot-setup-steps.yml

@@ -0,0 +1,27 @@
+name: "Copilot Setup Steps"
+
+on:
+  workflow_dispatch:
+  pull_request:
+    branches: ["main"]
+    paths:
+      - .github/workflows/copilot-setup-steps.yml
+
+jobs:
+  copilot-setup-steps:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v5
+
+      - name: Setup .NET 9
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: "9.0.x"
+
+      - name: Restore .NET dependencies
+        run: dotnet restore
+        working-directory: ./src

.github/workflows/docs-only.yaml

@@ -7,6 +7,7 @@ on:
       - "!**" # Exclude every file
       - "README.md" # Except only readme changes
       - "CHANGELOG.md" # And changelog changes
+      - ".github/workflows/copilot-setup-steps.yml"
 
 jobs:
   pr_complete: