ci: add global CLI install and CDK matrix to full e2e workflow (#639)

Author: Hweinstock

.github/workflows/e2e-tests-full.yml

@@ -23,6 +23,10 @@ jobs:
     runs-on: ubuntu-latest
     environment: e2e-testing
     timeout-minutes: 60
+    strategy:
+      fail-fast: false
+      matrix:
+        cdk-source: [npm, main]
     steps:
       - uses: actions/checkout@v6
         with:
@@ -52,11 +56,26 @@ jobs:
           parse-json-secrets: true
       - run: npm ci
       - run: npm run build
-      - name: Run E2E tests
+      - name: Build CDK package from main
+        if: matrix.cdk-source == 'main'
+        run: |
+          git clone --depth 1 "https://x-access-token:${CDK_REPO_TOKEN}@github.com/${CDK_REPO}.git" /tmp/cdk-repo
+          cd /tmp/cdk-repo
+          npm ci
+          npm run build
+          TARBALL=$(npm pack --pack-destination "$RUNNER_TEMP" | tail -1)
+          echo "CDK_TARBALL=$RUNNER_TEMP/$TARBALL" >> "$GITHUB_ENV"
+        env:
+          CDK_REPO_TOKEN: ${{ secrets.CDK_REPO_TOKEN }}
+          CDK_REPO: ${{ secrets.CDK_REPO_NAME }}
+      - name: Install CLI globally
+        run: npm install -g "$(npm pack | tail -1)"
+      - name: Run E2E tests (${{ matrix.cdk-source }})
         env:
           AWS_ACCOUNT_ID: ${{ steps.aws.outputs.account_id }}
           AWS_REGION: ${{ inputs.aws_region || 'us-east-1' }}
           ANTHROPIC_API_KEY: ${{ env.E2E_ANTHROPIC_API_KEY }}
           OPENAI_API_KEY: ${{ env.E2E_OPENAI_API_KEY }}
           GEMINI_API_KEY: ${{ env.E2E_GEMINI_API_KEY }}
+          CDK_TARBALL: ${{ env.CDK_TARBALL }}
         run: npm run test:e2e