fix: simplify release workflow — tag push only

Root cause was YAML syntax error (unquoted colon in run step)
that broke GitHub's parser. All triggers were invisible.

Simplified to tag push trigger only. No cron, no manual dispatch.
Release monitoring handled externally.

Co-authored-by: Marvin <marvin@openclaw.ai>

Author: alexei-led

.github/workflows/build-release.yaml

@@ -1,14 +1,9 @@
 name: Build and Release
 
 on:
-  repository_dispatch:
-    types: [release]
-  workflow_dispatch:
-    inputs:
-      version:
-        description: 'Version to release (tag name)'
-        required: true
-        type: string
+  push:
+    tags:
+      - '*'
 
 permissions:
   contents: write
@@ -21,23 +16,13 @@ jobs:
       version: ${{ steps.version.outputs.version }}
       digest: ${{ steps.docker_build.outputs.digest }}
     steps:
-      - name: Determine version
+      - name: Get version from tag
         id: version
         run: |
-          if [ -n "${{ inputs.version }}" ]; then
-            version="${{ inputs.version }}"
-          elif [ -n "${{ github.event.client_payload.version }}" ]; then
-            version="${{ github.event.client_payload.version }}"
-          else
-            echo "No version specified" && exit 1
-          fi
-          echo "version=${version}" >> "$GITHUB_OUTPUT"
-          echo "Releasing version: ${version}"
+          echo "version=${GITHUB_REF_NAME}" >> "$GITHUB_OUTPUT"
+          echo "Releasing version: ${GITHUB_REF_NAME}"
 
       - uses: actions/checkout@v4
-        with:
-          ref: ${{ steps.version.outputs.version }}
-          fetch-depth: 0
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
@@ -82,7 +67,8 @@ jobs:
           push: true
 
       - name: Image digest
-        run: echo "Digest:" "${{ steps.docker_build.outputs.digest }}"
+        run: |
+          echo "Digest: ${{ steps.docker_build.outputs.digest }}"
 
   test:
     runs-on: ubuntu-latest
@@ -93,7 +79,7 @@ jobs:
       - name: Run integration tests against released image
         run: |
           chmod +x tests/test-docker.sh
-          TEST_IMAGE=ghcr.io/${{ github.repository_owner }}/nsenter:${{ needs.build.outputs.version }} ./tests/test-docker.sh
+          TEST_IMAGE="ghcr.io/${{ github.repository_owner }}/nsenter:${{ needs.build.outputs.version }}" ./tests/test-docker.sh
 
   github-release:
     runs-on: ubuntu-latest
@@ -110,6 +96,7 @@ jobs:
           echo "prev_tag=${prev}" >> "$GITHUB_OUTPUT"
 
       - name: Generate release notes
+        id: notes
         run: |
           version="${{ needs.build.outputs.version }}"
           prev="${{ steps.prev_tag.outputs.prev_tag }}"
@@ -125,9 +112,6 @@ jobs:
             echo "| Registry | Image | Pull Command |"
             echo "|----------|-------|-------------|"
             echo "| **GHCR** | \`ghcr.io/alexei-led/nsenter:${version}\` | \`docker pull ghcr.io/alexei-led/nsenter:${version}\` |"
-            if [ "${{ vars.DOCKERHUB_ENABLED }}" = "true" ]; then
-              echo "| DockerHub | \`alexeiled/nsenter:${version}\` | \`docker pull alexeiled/nsenter:${version}\` |"
-            fi
             echo ""
             echo "### Platforms"
             echo "- \`linux/amd64\`"
@@ -143,11 +127,8 @@ jobs:
             fi
           } > /tmp/release-notes.md
 
-          cat /tmp/release-notes.md
-
       - name: Create GitHub Release
         uses: softprops/action-gh-release@v2
         with:
-          tag_name: ${{ needs.build.outputs.version }}
           body_path: /tmp/release-notes.md
           generate_release_notes: false