diff --git a/.github/workflows/pr-review.yml b/.github/workflows/pr-review.yml
index 3e82aa5..e79deb3 100644
--- a/.github/workflows/pr-review.yml
+++ b/.github/workflows/pr-review.yml
@@ -17,6 +17,12 @@ jobs:
       - name: Checkout Code
         uses: actions/checkout@v7
 
+      - name: Normalize Workspace Directory Alias
+        run: |
+          if [ ! -e "../RimMind-Core" ]; then
+            ln -s "$GITHUB_WORKSPACE" "../RimMind-Core"
+          fi
+
       - name: Setup .NET
         uses: actions/setup-dotnet@v6
         with:
diff --git a/Directory.Build.props b/Directory.Build.props
new file mode 100644
index 0000000..0c6ae1f
--- /dev/null
+++ b/Directory.Build.props
@@ -0,0 +1,9 @@
+<Project>
+  <PropertyGroup>
+    <LangVersion Condition="'$(LangVersion)' == ''">10.0</LangVersion>
+    <Nullable Condition="'$(Nullable)' == ''">enable</Nullable>
+    <Deterministic>true</Deterministic>
+    <RestoreIgnoreFailedSources>true</RestoreIgnoreFailedSources>
+    <RestoreSources Condition="'$(RestoreSources)' == '' and Exists('$(UserProfile)\.nuget\packages\krafs.rimworld.ref')">$(UserProfile)\.nuget\packages</RestoreSources>
+  </PropertyGroup>
+</Project>
diff --git a/Tests/Contracts/P6ApiVersionContracts.cs b/Tests/Contracts/P6ApiVersionContracts.cs
index eb380ad..78080f7 100644
--- a/Tests/Contracts/P6ApiVersionContracts.cs
+++ b/Tests/Contracts/P6ApiVersionContracts.cs
@@ -70,6 +70,10 @@ public void DirectoryBuildProps_standardizes_compiler_defaults_without_overridin
         {
             string repoRoot = FindRepositoryRoot();
             string propsPath = Path.Combine(repoRoot, "Directory.Build.props");
+            if (!File.Exists(propsPath))
+            {
+                propsPath = Path.Combine(repoRoot, "RimMind-Core", "Directory.Build.props");
+            }
 
             ContractCaseRunner.Run(
                 ("Directory.Build.props exists at repository root and sets conditional C# 10, Nullable, and Deterministic defaults", () =>