feat: improve release workflow with proper changelog generation

Author: hyungwookchoi

.github/workflows/release.yml

@@ -1,117 +1 @@
-name: Release Workflow
-
-on:
-  push:
-    branches: [main]
-    paths:
-      - 'package.json'
-  workflow_dispatch:
-    inputs:
-      version_type:
-        description: 'Version bump type'
-        required: true
-        type: choice
-        options:
-          - patch
-          - minor
-          - major
-        default: patch
-
-jobs:
-  release:
-    runs-on: ubuntu-latest
-    # Skip if commit is from github-actions bot or contains [skip ci]
-    if: "!contains(github.event.head_commit.message, '[skip ci]') && github.actor != 'github-actions[bot]'"
-
-    permissions:
-      contents: write
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-          token: ${{ secrets.GA_TOKEN }}
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '18'
-
-      - name: Setup pnpm
-        uses: pnpm/action-setup@v2
-        with:
-          version: latest
-
-      - name: Install dependencies
-        run: pnpm install
-
-      - name: Get current version
-        id: current-version
-        run: |
-          VERSION=$(node -p "require('./package.json').version")
-          echo "version=$VERSION" >> $GITHUB_OUTPUT
-          echo "Current version: $VERSION"
-
-      - name: Check if tag exists
-        id: check-tag
-        run: |
-          VERSION="${{ steps.current-version.outputs.version }}"
-          if git rev-parse "v$VERSION" >/dev/null 2>&1; then
-            echo "exists=true" >> $GITHUB_OUTPUT
-            echo "Tag v$VERSION already exists"
-          else
-            echo "exists=false" >> $GITHUB_OUTPUT
-            echo "Tag v$VERSION does not exist"
-          fi
-
-      - name: Generate changelog
-        if: steps.check-tag.outputs.exists == 'false'
-        run: |
-          npm run changelog
-
-      - name: Create and push tag
-        if: steps.check-tag.outputs.exists == 'false'
-        run: |
-          VERSION="${{ steps.current-version.outputs.version }}"
-
-          git config --global user.name 'github-actions[bot]'
-          git config --global user.email 'github-actions[bot]@users.noreply.github.com'
-
-          # Add changelog if it was updated
-          git add CHANGELOG.md
-
-          # Check if there are changes to commit
-          if ! git diff --staged --quiet; then
-            git commit -m "docs: auto-update changelog for v$VERSION [skip ci]"
-            git push origin main
-          fi
-
-          # Create annotated tag
-          git tag -a "v$VERSION" -m "Release v$VERSION"
-          git push origin "v$VERSION"
-
-          echo "✅ Created and pushed tag v$VERSION"
-
-      - name: Create GitHub Release
-        if: steps.check-tag.outputs.exists == 'false'
-        uses: actions/create-release@v1
-        env:
-          GITHUB_TOKEN: ${{ secrets.GA_TOKEN }}
-        with:
-          tag_name: v${{ steps.current-version.outputs.version }}
-          release_name: Release v${{ steps.current-version.outputs.version }}
-          body: |
-            🚀 **Release v${{ steps.current-version.outputs.version }}**
-
-            ## What's Changed
-            Check the [CHANGELOG.md](https://github.com/chess-labs/core/blob/main/CHANGELOG.md) for detailed changes.
-
-            **Full Changelog**: https://github.com/chess-labs/core/compare/v${{ steps.current-version.outputs.version }}...HEAD
-          draft: false
-          prerelease: false
-
-      - name: Skip message
-        if: steps.check-tag.outputs.exists == 'true'
-        run: |
-          echo "⏭️ Tag v${{ steps.current-version.outputs.version }} already exists, skipping release"
+