fix(deploy): provision tenant API domains

Reconcile TLS, exact CORS, and backend proxying before release activation so every storefront uses its derived API host.

.github/workflows/deploy.yml

@@ -82,6 +82,36 @@ jobs:
           printf '%s\n' "$DEPLOY_KNOWN_HOSTS" > ~/.ssh/known_hosts
           chmod 644 ~/.ssh/known_hosts
 
+      - name: Reconcile tenant API domains
+        env:
+          HOST: ${{ secrets.DEPLOY_HOST }}
+          USER: ${{ secrets.DEPLOY_USER }}
+          STOREFRONT_DOMAINS: ${{ secrets.STOREFRONT_DOMAINS }}
+          CERTBOT_EMAIL: ${{ secrets.CERTBOT_EMAIL }}
+          BACKEND_UPSTREAM: ${{ secrets.BACKEND_UPSTREAM }}
+        run: |
+          set -euo pipefail
+          test -n "$HOST" || { echo "secret DEPLOY_HOST is empty" >&2; exit 1; }
+          test -n "$USER" || { echo "secret DEPLOY_USER is empty" >&2; exit 1; }
+          test -n "$STOREFRONT_DOMAINS" || { echo "secret STOREFRONT_DOMAINS is empty" >&2; exit 1; }
+          test -n "$CERTBOT_EMAIL" || { echo "secret CERTBOT_EMAIL is empty" >&2; exit 1; }
+          BACKEND_UPSTREAM="${BACKEND_UPSTREAM:-https://127.0.0.1:445}"
+          [[ "$CERTBOT_EMAIL" =~ ^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,}$ ]] || {
+            echo "CERTBOT_EMAIL is invalid" >&2; exit 1;
+          }
+          [[ "$BACKEND_UPSTREAM" =~ ^https?://[A-Za-z0-9.:-]+$ ]] || {
+            echo "BACKEND_UPSTREAM is invalid" >&2; exit 1;
+          }
+
+          SSH="ssh -i ~/.ssh/deploy_key -o BatchMode=yes"
+          for domain in $STOREFRONT_DOMAINS; do
+            [[ "$domain" =~ ^[a-z0-9]([a-z0-9-]*[a-z0-9])?(\.[a-z0-9]([a-z0-9-]*[a-z0-9])?)+$ ]] || {
+              echo "invalid storefront domain: $domain" >&2; exit 1;
+            }
+            $SSH "$USER@$HOST" sudo /usr/local/sbin/marketplaces-configure-api-domain \
+              --domain "$domain" --email "$CERTBOT_EMAIL" --upstream "$BACKEND_UPSTREAM"
+          done
+
       - name: Upload release
         env:
           HOST: ${{ secrets.DEPLOY_HOST }}