ci(docker): reduce to sync-notice — native pipeline is .hanzo/workflows/deploy.yml

Image build+push+deploy now runs in-cluster (act_runner + BuildKit → operator).
GitHub is a mirror; this workflow is retained only as a manual sync notice.

.github/workflows/docker-deploy.yml

@@ -1,24 +1,11 @@
 name: Docker
-
+# Native deploy pipeline is .hanzo/workflows/deploy.yml (Hanzo Git → act_runner →
+# BuildKit → ghcr.io/hanzoai/dataroom:<sha> → operator reconcile → hanzocd).
+# GitHub is a mirror; this workflow is retained only as a manual sync notice.
 on:
   workflow_dispatch:
-  push:
-    branches: [main]
-    tags: ['v*']
-
-permissions:
-  contents: read
-  packages: write
-  id-token: write
-
 jobs:
-  docker:
-    uses: hanzoai/.github/.github/workflows/docker-build.yml@main
-    with:
-      image: ghcr.io/hanzoai/dataroom
-      # amd64-only: DOKS has no arm64 droplets (arm64 build paused).
-      platforms: linux/amd64
-      # Deploy is operator-managed via universe Service CR (services.hanzo.ai/dataroom).
-      # CI only builds+pushes the image; never `kubectl set image` (operator reverts it).
-      deploy: false
-    secrets: inherit
+  notice:
+    runs-on: ubuntu-latest
+    steps:
+      - run: echo "native pipeline is .hanzo/workflows/deploy.yml; GitHub is a mirror"