fix(ci): add GitHub Actions release workflows and fix visual test

- Add release.yml for manual npm publishing on GitHub Release
- Add release-canary.yml for automated canary releases (every 20 commits)
- Fix visual test template path (use homedir() instead of ~)
- Update visual test baselines
- Add sync-version.mjs script for version synchronization
- Add sync-version npm script to package.json

.github/workflows/release.yml

@@ -0,0 +1,79 @@
+name: Release
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'Tag to release (e.g., v6.3.55)'
+        required: true
+        type: string
+      skip_tests:
+        description: 'Skip tests (not recommended)'
+        required: false
+        default: 'false'
+        type: boolean
+
+permissions:
+  contents: write
+  id-token: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.inputs.tag || github.ref }}
+          fetch-depth: 100
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          registry-url: 'https://registry.npmjs.org'
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run tests
+        if: github.event.inputs.skip_tests != 'true'
+        run: npm test
+        continue-on-error: false
+
+      - name: Build
+        run: npm run build
+
+      - name: Run prepublish checks
+        run: node ccw/scripts/prepublish-clean.mjs
+
+      - name: Dry run publish
+        run: npm publish --dry-run
+
+      - name: Publish to npm
+        run: npm publish --provenance --access public
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+      - name: Create GitHub Release Notes
+        if: github.event_name == 'workflow_dispatch'
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: ${{ github.event.inputs.tag }}
+          generate_release_notes: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Summary
+        run: |
+          VERSION=${{ github.event.inputs.tag || github.ref_name }}
+          echo "### 🚀 Release Published" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "- **Version**: \`${VERSION}\`" >> $GITHUB_STEP_SUMMARY
+          echo "- **Registry**: npm (latest)" >> $GITHUB_STEP_SUMMARY
+          echo "- **Install**: \`npm install claude-code-workflow@latest\`" >> $GITHUB_STEP_SUMMARY