fix(ci): use POSIX-compatible loop instead of bash arrays

The docker-builder container runs ash/sh, not bash — arrays with ()
are not supported. Use a simple for-in loop instead.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitea/workflows/sync-images.yml

@@ -31,20 +31,16 @@ jobs:
 
       - name: Sync images to server
         run: |
-          SSH_CMD="ssh -i ~/.ssh/deploy_key -o StrictHostKeyChecking=accept-new -p 22 root@${{ secrets.APP_HOST }}"
+          for IMAGE in \
-
+            gitea.siegeln.net/cameleer/cameleer-saas:latest \
-          IMAGES=(
+            gitea.siegeln.net/cameleer/cameleer-logto:latest \
-            gitea.siegeln.net/cameleer/cameleer-saas:latest
+            gitea.siegeln.net/cameleer/cameleer-traefik:latest \
-            gitea.siegeln.net/cameleer/cameleer-logto:latest
+            gitea.siegeln.net/cameleer/cameleer-postgres:latest \
-            gitea.siegeln.net/cameleer/cameleer-traefik:latest
+            gitea.siegeln.net/cameleer/cameleer-clickhouse:latest \
-            gitea.siegeln.net/cameleer/cameleer-postgres:latest
-            gitea.siegeln.net/cameleer/cameleer-clickhouse:latest
             gitea.siegeln.net/cameleer/cameleer-runtime-base:latest
-          )
+          do
-
-          for IMAGE in "${IMAGES[@]}"; do
             echo "::group::Syncing $IMAGE"
             docker pull "$IMAGE"
-            docker save "$IMAGE" | $SSH_CMD "docker load"
+            docker save "$IMAGE" | ssh -i ~/.ssh/deploy_key -o StrictHostKeyChecking=accept-new -p 22 root@${{ secrets.APP_HOST }} "docker load"
             echo "::endgroup::"
           done