diff --git a/.github/workflows/pr-gate.yml b/.github/workflows/pr-gate.yml
new file mode 100644
index 0000000..6066ad3
--- /dev/null
+++ b/.github/workflows/pr-gate.yml
@@ -0,0 +1,18 @@
+# Always runs on PRs so required status checks complete when path-filtered
+# workflows (.github/workflows/dotnet.yml, gdscript.yml) are skipped.
+# In GitHub: Settings → Rules / Branch protection → require “PR gate / build”
+# (or drop a stale required check that never runs on docs-only PRs).
+name: PR gate
+
+on:
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Gate
+        run: "true"