ci: adopt shared reusable deploy workflow (deploy-app.yml)

Replaces the per-repo staging/smoke/production jobs with one call to
peptiderepo/peptide-e2e/.github/workflows/deploy-app.yml (target_path=wp-content/themes/peptide-starter).
Validated end-to-end on the calculator pilot.

Agent-Session: cto rollout-reusable-deploy

.github/workflows/deploy.yml

@@ -30,138 +30,10 @@ jobs:
         run: |
           find assets/js -name "*.js" -exec node --check {} \;
 
-  deploy-staging:
-    name: Deploy to Staging
+  deploy:
+    name: Deploy (shared pipeline)
     needs: validate
-    runs-on: ubuntu-latest
-    environment: staging
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup SSH key
-        run: |
-          mkdir -p ~/.ssh
-          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/deploy_key
-          chmod 600 ~/.ssh/deploy_key
-          ssh-keyscan -p ${{ secrets.SSH_PORT }} ${{ secrets.SSH_HOST }} >> ~/.ssh/known_hosts 2>/dev/null || true
-      - name: Deploy via rsync → staging
-        run: |
-          rsync -avz --delete \
-            --exclude='.git' \
-            --exclude='.github' \
-            --exclude='tests/' \
-            --exclude='phpunit.xml' \
-            --exclude='composer.json' \
-            --exclude='composer.lock' \
-            --exclude='vendor/' \
-            --exclude='node_modules/' \
-            --exclude='.phpcs.xml.dist' \
-            -e "ssh -i ~/.ssh/deploy_key -p ${{ secrets.SSH_PORT }} -o StrictHostKeyChecking=accept-new -o ConnectTimeout=30 -o BatchMode=yes" \
-            ./ ${{ secrets.SSH_USERNAME }}@${{ secrets.SSH_HOST }}:~/domains/peptiderepo.com/public_html/staging/wp-content/themes/peptide-starter/
-      - name: Staging health check
-        run: |
-          sleep 5
-          STATUS=$(curl -s -o /dev/null -w "%{http_code}" https://staging.peptiderepo.com/ || echo "000")
-          echo "Staging responded: HTTP $STATUS"
-      - name: Cleanup
-        if: always()
-        run: rm -f ~/.ssh/deploy_key
-
-  smoke:
-    name: Smoke tests (staging)
-    needs: deploy-staging
-    uses: peptiderepo/peptide-e2e/.github/workflows/smoke.yml@main
-    secrets:
-      STAGING_WP_ADMIN_USER: ${{ secrets.STAGING_WP_ADMIN_USER }}
-      STAGING_WP_ADMIN_PASSWORD: ${{ secrets.STAGING_WP_ADMIN_PASSWORD }}
-
-  deploy-production:
-    name: Deploy to Production
-    needs: [validate, deploy-staging]  # smoke is informational; not gating prod until e2e suite is stable
-    runs-on: ubuntu-latest
-    environment: production
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-      - name: Setup SSH key
-        run: |
-          mkdir -p ~/.ssh
-          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/deploy_key
-          chmod 600 ~/.ssh/deploy_key
-          ssh-keyscan -p ${{ secrets.SSH_PORT }} ${{ secrets.SSH_HOST }} >> ~/.ssh/known_hosts 2>/dev/null || true
-      - name: Snapshot plugin inventory (pre-deploy)
-        # Guards against the 2026-04-23 incident where rsync to wrong path clobbered WP core.
-        # Checks that the active plugin count is sane before and after deploy.
-        # Note: standalone SSH verify step removed — Hostinger rate-limits concurrent
-        # runner IPs and caused consistent connection timeouts (exit 255). The rsync
-        # itself will fail safely if the path doesn't exist.
-        run: |
-          ssh -i ~/.ssh/deploy_key -p ${{ secrets.SSH_PORT }} \
-            -o StrictHostKeyChecking=accept-new \
-            -o ConnectTimeout=30 \
-            -o BatchMode=yes \
-            ${{ secrets.SSH_USERNAME }}@${{ secrets.SSH_HOST }} \
-            "wp --path=/home/${{ secrets.SSH_USERNAME }}/domains/peptiderepo.com/public_html plugin list --status=active --fields=name --allow-root 2>/dev/null | tee /tmp/plugins_pre_deploy.txt && echo \"Pre-deploy plugin count: \$(wc -l < /tmp/plugins_pre_deploy.txt)\""
-      - name: Deploy via rsync → production
-        run: |
-          rsync -avz --delete \
-            --exclude='.git' \
-            --exclude='.github' \
-            --exclude='tests/' \
-            --exclude='phpunit.xml' \
-            --exclude='composer.json' \
-            --exclude='composer.lock' \
-            --exclude='vendor/' \
-            --exclude='node_modules/' \
-            --exclude='.phpcs.xml.dist' \
-            -e "ssh -i ~/.ssh/deploy_key -p ${{ secrets.SSH_PORT }} -o StrictHostKeyChecking=accept-new -o ConnectTimeout=30 -o BatchMode=yes" \
-            ./ ${{ secrets.SSH_USERNAME }}@${{ secrets.SSH_HOST }}:/home/${{ secrets.SSH_USERNAME }}/domains/peptiderepo.com/public_html/wp-content/themes/peptide-starter/
-      - name: Verify plugin inventory unchanged (post-deploy)
-        run: |
-          ssh -i ~/.ssh/deploy_key -p ${{ secrets.SSH_PORT }} \
-            -o StrictHostKeyChecking=accept-new \
-            -o ConnectTimeout=30 \
-            -o BatchMode=yes \
-            ${{ secrets.SSH_USERNAME }}@${{ secrets.SSH_HOST }} << 'ENDSSH'
-            wp --path=/home/${{ secrets.SSH_USERNAME }}/domains/peptiderepo.com/public_html plugin list --status=active --fields=name --allow-root 2>/dev/null > /tmp/plugins_post_deploy.txt
-            PRE=$(wc -l < /tmp/plugins_pre_deploy.txt)
-            POST=$(wc -l < /tmp/plugins_post_deploy.txt)
-            echo "Pre-deploy active plugins:  $PRE"
-            echo "Post-deploy active plugins: $POST"
-            if [ "$POST" -lt "$PRE" ]; then
-              echo "ERROR: Plugin count dropped from $PRE to $POST after deploy."
-              diff /tmp/plugins_pre_deploy.txt /tmp/plugins_post_deploy.txt || true
-              exit 1
-            fi
-            echo "Plugin inventory OK."
-          ENDSSH
-      - name: Purge LiteSpeed Cache
-        run: |
-          ssh -i ~/.ssh/deploy_key -p ${{ secrets.SSH_PORT }} \
-            -o StrictHostKeyChecking=accept-new \
-            -o ConnectTimeout=30 \
-            -o BatchMode=yes \
-            ${{ secrets.SSH_USERNAME }}@${{ secrets.SSH_HOST }} << 'ENDSSH'
-            CACHE_DIR="/home/${{ secrets.SSH_USERNAME }}/domains/peptiderepo.com/public_html/wp-content/litespeed"
-            if [ -d "$CACHE_DIR" ]; then
-              rm -rf "$CACHE_DIR"/*
-              echo "LiteSpeed cache purged."
-            fi
-            touch "/home/${{ secrets.SSH_USERNAME }}/domains/peptiderepo.com/public_html/.lscache_purge" 2>/dev/null || true
-          ENDSSH
-      - name: Production health check
-        run: |
-          sleep 5
-          STATUS=$(curl -s -o /dev/null -w "%{http_code}" https://peptiderepo.com)
-          if [ "$STATUS" != "200" ] && [ "$STATUS" != "403" ]; then
-            echo "ERROR: Site returned unexpected HTTP $STATUS after deploy"
-            exit 1
-          fi
-          echo "Production healthy (HTTP $STATUS)"
-      - name: Cleanup
-        if: always()
-        run: rm -f ~/.ssh/deploy_key
-      - name: Deploy summary
-        run: |
-          echo "## Deployment Complete" >> $GITHUB_STEP_SUMMARY
-          echo "- **Commit:** \`${GITHUB_SHA::7}\`" >> $GITHUB_STEP_SUMMARY
-          echo "- **Deployed to:** peptiderepo.com/themes/peptide-starter" >> $GITHUB_STEP_SUMMARY
+    uses: peptiderepo/peptide-e2e/.github/workflows/deploy-app.yml@main
+    with:
+      target_path: wp-content/themes/peptide-starter
+    secrets: inherit