Stacks CLI prototype with core operations

.github/workflows/release.yml

@@ -1,8 +1,10 @@
 name: release
+
 on:
   push:
     tags:
       - "v*"
+
 permissions:
   contents: write
   id-token: write
@@ -13,7 +15,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
+      - id: version
+        run: echo "version=${GITHUB_REF_NAME#v}" >> "$GITHUB_OUTPUT"
       - uses: cli/gh-extension-precompile@v2
         with:
           generate_attestations: true
           go_version_file: go.mod
+          go_build_options: >-
+            -ldflags '-X github.com/github/gh-stack/cmd.Version=${{ steps.version.outputs.version }}'

.github/workflows/test.yml

@@ -0,0 +1,29 @@
+name: Tests
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-go@v6
+        with:
+          go-version-file: go.mod
+      - name: Download dependencies
+        run: go mod download
+      - name: Vet
+        run: go vet ./...
+      - name: Test
+        run: go test -race -count=1 ./...