diff --git a/.github/workflows/staging-version.yml b/.github/workflows/staging-version.yml
new file mode 100644
index 0000000..4cc02fa
--- /dev/null
+++ b/.github/workflows/staging-version.yml
@@ -0,0 +1,25 @@
+# Versioning policy (nyuchi/.github#80): every merge into `staging` is
+# released as the next PATCH, tagged on the merged commit.
+name: Staging version
+
+on:
+  push:
+    branches: [staging]
+  workflow_dispatch:
+    inputs:
+      bump:
+        description: Override the bump (major is only ever manual).
+        type: choice
+        options: [patch, minor, major]
+        default: patch
+
+permissions:
+  contents: read
+
+jobs:
+  version:
+    uses: nyuchi/.github/.github/workflows/reusable-staging-release.yml@924e5b4d0983d31379aedbec02b990793f29c792 # main, 2026-10-04
+    with:
+      bump: ${{ inputs.bump || '' }}
+    permissions:
+      contents: write
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a06c5a9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+# macOS Finder metadata
+.DS_Store