Fix tests

.editorconfig

@@ -143,6 +143,7 @@ dotnet_diagnostic.CA1010.severity = none
 
 # Use collection expressions (C# 12+)
 dotnet_style_prefer_collection_expression = when_types_loosely_match:suggestion
+dotnet_diagnostic.CA1502.severity = warning
 
 # Code block preferences
 csharp_prefer_simple_default_expression = true:suggestion

.github/steps/install_dependencies/action.yml

@@ -1,15 +1,19 @@
 name: Install Dependencies
-description: ""
+description: "Install the pinned .NET SDK, required host prerequisites, and Uno workloads for CI validation."
 
 inputs:
   target-platform:
     description: 'The platform to install dependencies for. #See available values at https://platform.uno/docs/articles/external/uno.check/doc/using-uno-check.html'
     required: false
     default: 'all'
-  dotnet-version:
-    description: 'Installs and sets the .NET SDK Version'
+  install-windows-sdk:
+    description: 'Whether to install the Windows SDK ISO bootstrap step. Leave false for normal dotnet-based CI validation.'
     required: false
-    default: '10.0.x'
+    default: 'false'
+  run-uno-check:
+    description: 'Whether to run uno-check and install Uno workloads. Leave false for normal dotnet-based CI validation.'
+    required: false
+    default: 'false'
   sdkVersion:
     description: 'The version of the Windows Sdk'
     required: false
@@ -19,20 +23,21 @@ runs:
   using: "composite"
   steps:
     # Install .NET
-    - name: Setup .NET ${{ inputs.dotnet-version }}
-      uses: actions/setup-dotnet@v3
+    - name: Setup .NET SDK from global.json
+      uses: actions/setup-dotnet@v5
       with:
-        dotnet-version: '${{ inputs.dotnet-version }}'
+        global-json-file: 'global.json'
 
     # Install Windows SDK
     - name: Install Windows SDK ${{ inputs.sdkVersion }}
       shell: pwsh
-      if: ${{ runner.os == 'Windows' }}
+      if: ${{ runner.os == 'Windows' && inputs.install-windows-sdk == 'true' }}
       run: .\.github\Install-WindowsSdkISO.ps1 ${{ inputs.sdkVersion }}
 
     # Run Uno.Check
     - name: Install ${{ inputs.target-platform }} Workloads
       shell: pwsh
+      if: ${{ inputs.run-uno-check == 'true' }}
       run: |
         dotnet tool install -g uno.check
         ("${{ inputs.target-platform }} ".Split(' ') | ForEach-Object {

.github/workflows/build-validation.yml

@@ -0,0 +1,100 @@
+name: Build Validation
+
+on:
+  push:
+    branches:
+      - main
+      - release/**
+
+  pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
+    branches:
+      - main
+      - release/**
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: build-validation-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    name: Quality Gate
+    runs-on: windows-latest
+    timeout-minutes: 60
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+
+      - name: Install Dependencies
+        timeout-minutes: 60
+        uses: "./.github/steps/install_dependencies"
+
+      - name: Build
+        shell: pwsh
+        run: dotnet build DotPilot.slnx -warnaserror
+
+  unit_tests:
+    name: Unit Test Suite
+    runs-on: windows-latest
+    timeout-minutes: 60
+    needs:
+      - build
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+
+      - name: Install Dependencies
+        timeout-minutes: 60
+        uses: "./.github/steps/install_dependencies"
+
+      - name: Run Unit Tests
+        shell: pwsh
+        run: dotnet test ./DotPilot.Tests/DotPilot.Tests.csproj --logger GitHubActions --blame-crash
+
+  coverage:
+    name: Coverage Suite
+    runs-on: windows-latest
+    timeout-minutes: 60
+    needs:
+      - build
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+
+      - name: Install Dependencies
+        timeout-minutes: 60
+        uses: "./.github/steps/install_dependencies"
+
+      - name: Run Coverage
+        shell: pwsh
+        run: dotnet test ./DotPilot.Tests/DotPilot.Tests.csproj --settings ./DotPilot.Tests/coverlet.runsettings --logger GitHubActions --blame-crash --collect:"XPlat Code Coverage"
+
+  ui_tests:
+    name: UI Test Suite
+    runs-on: macos-latest
+    timeout-minutes: 60
+    needs:
+      - build
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+
+      - name: Install Dependencies
+        timeout-minutes: 60
+        uses: "./.github/steps/install_dependencies"
+
+      - name: Run UI Tests
+        shell: bash
+        run: |
+          export UNO_UITEST_DRIVER_PATH="${CHROMEWEBDRIVER}"
+          export UNO_UITEST_CHROME_BINARY_PATH="/Applications/Google Chrome.app/Contents/MacOS/Google Chrome"
+          export UNO_UITEST_BROWSER_PATH="/Applications/Google Chrome.app/Contents/MacOS/Google Chrome"
+          dotnet test ./DotPilot.UITests/DotPilot.UITests.csproj --logger GitHubActions --blame-crash