refactor: split Docker publish into separate workflow

Docker images now build only after release is published, not during
the draft creation phase. This prevents users from getting updates
before the release is reviewed and approved.

.github/workflows/create-release.yml

@@ -205,113 +205,10 @@ jobs:
         working-directory: tests/integration
         run: docker-compose -f docker-compose.test.yml down -v || true
 
-  build_docker_images:
-    needs:
-      - extract_version
-      - version_guard
-      - preflight_tests
-    runs-on: ubuntu-latest
-    timeout-minutes: 60
-    permissions:
-      contents: read
-      packages: write
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
-      - name: Log in to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-
-      - name: Log in to GHCR
-        uses: docker/login-action@v3
-        with:
-          registry: ghcr.io
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Build and push Pulse server image
-        uses: docker/build-push-action@v6
-        with:
-          context: .
-          target: runtime
-          platforms: linux/amd64,linux/arm64
-          push: true
-          provenance: false
-          cache-from: type=registry,ref=ghcr.io/${{ github.repository_owner }}/pulse:buildcache
-          cache-to: type=registry,ref=ghcr.io/${{ github.repository_owner }}/pulse:buildcache,mode=max
-          tags: |
-            rcourtman/pulse:${{ needs.extract_version.outputs.tag }}
-            rcourtman/pulse:${{ needs.extract_version.outputs.version }}
-            rcourtman/pulse:latest
-            ghcr.io/${{ github.repository_owner }}/pulse:${{ needs.extract_version.outputs.tag }}
-            ghcr.io/${{ github.repository_owner }}/pulse:${{ needs.extract_version.outputs.version }}
-            ghcr.io/${{ github.repository_owner }}/pulse:latest
-          labels: |
-            org.opencontainers.image.title=Pulse
-            org.opencontainers.image.description=Proxmox monitoring system
-            org.opencontainers.image.version=${{ needs.extract_version.outputs.tag }}
-            org.opencontainers.image.created=${{ github.event.repository.updated_at }}
-            org.opencontainers.image.revision=${{ github.sha }}
-            org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}
-            org.opencontainers.image.url=${{ github.server_url }}/${{ github.repository }}
-            org.opencontainers.image.licenses=MIT
-
-      - name: Build and push Docker agent image
-        uses: docker/build-push-action@v6
-        with:
-          context: .
-          file: ./Dockerfile
-          target: agent_runtime
-          platforms: linux/amd64,linux/arm64
-          push: true
-          provenance: false
-          cache-from: type=registry,ref=ghcr.io/${{ github.repository_owner }}/pulse-docker-agent:buildcache
-          cache-to: type=registry,ref=ghcr.io/${{ github.repository_owner }}/pulse-docker-agent:buildcache,mode=max
-          tags: |
-            rcourtman/pulse-docker-agent:${{ needs.extract_version.outputs.tag }}
-            rcourtman/pulse-docker-agent:${{ needs.extract_version.outputs.version }}
-            rcourtman/pulse-docker-agent:latest
-            ghcr.io/${{ github.repository_owner }}/pulse-docker-agent:${{ needs.extract_version.outputs.tag }}
-            ghcr.io/${{ github.repository_owner }}/pulse-docker-agent:${{ needs.extract_version.outputs.version }}
-            ghcr.io/${{ github.repository_owner }}/pulse-docker-agent:latest
-          labels: |
-            org.opencontainers.image.title=Pulse Docker Agent
-            org.opencontainers.image.description=Docker container monitoring agent for Pulse
-            org.opencontainers.image.version=${{ needs.extract_version.outputs.tag }}
-            org.opencontainers.image.created=${{ github.event.repository.updated_at }}
-            org.opencontainers.image.revision=${{ github.sha }}
-            org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}
-            org.opencontainers.image.url=${{ github.server_url }}/${{ github.repository }}
-            org.opencontainers.image.licenses=MIT
-
-      - name: Output Docker image information
-        run: |
-          echo "✅ Docker images built and pushed successfully!"
-          echo ""
-          echo "Server images:"
-          echo "  - rcourtman/pulse:${{ needs.extract_version.outputs.tag }}"
-          echo "  - rcourtman/pulse:${{ needs.extract_version.outputs.version }}"
-          echo "  - rcourtman/pulse:latest"
-          echo ""
-          echo "Agent images:"
-          echo "  - rcourtman/pulse-docker-agent:${{ needs.extract_version.outputs.tag }}"
-          echo "  - rcourtman/pulse-docker-agent:${{ needs.extract_version.outputs.version }}"
-          echo "  - rcourtman/pulse-docker-agent:latest"
-
   create_release:
     needs:
       - extract_version
-      - build_docker_images
+      - preflight_tests
     runs-on: ubuntu-latest
     timeout-minutes: 30
     permissions:
@@ -494,12 +391,9 @@ jobs:
           echo "⚠️  IMPORTANT: This release is in DRAFT status"
           echo ""
           echo "Next steps:"
-          echo "1. Review the automatically generated release notes"
-          echo "2. Edit and categorize changes as needed"
-          echo "3. Publish the release when ready"
-          echo ""
-          echo "All artifacts have been uploaded."
-          echo "Docker images are available at Docker Hub and GHCR."
+          echo "1. Review the release notes at the URL above"
+          echo "2. Publish the release when ready"
+          echo "3. Docker images will be built automatically after publish"
           echo ""
 
   validate_release_assets: