chore: add code formatting config and pre-commit hooks (#450)

.github/workflows/release.yaml

@@ -1,5 +1,5 @@
 name: Release
-'on':
+"on":
   push:
     branches:
       - main
@@ -22,7 +22,7 @@ permissions:
 jobs:
   release:
     runs-on: ubuntu-latest
-    if: '!contains(github.event.head_commit.message, ''[skip ci]'')'
+    if: ${{ github.event_name != 'push' || !contains(github.event.head_commit.message, '[skip ci]') }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -32,9 +32,9 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '20'
-          cache: npm
-          registry-url: https://registry.npmjs.org
+          node-version: "20"
+          cache: "npm"
+          registry-url: "https://registry.npmjs.org"
       - name: Install dependencies
         run: npm ci
       - name: Run tests and validation
@@ -57,3 +57,17 @@ jobs:
           NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
         run: npm run release
+      - name: Clean changelog formatting
+        if: github.event_name == 'push'
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          # Remove any Claude Code attribution from changelog
+          sed -i '/🤖 Generated with \[Claude Code\]/,+2d' CHANGELOG.md || true
+          # Format and commit if changes exist
+          npm run format
+          if ! git diff --quiet CHANGELOG.md; then
+            git add CHANGELOG.md
+            git commit -m "chore: clean changelog formatting [skip ci]"
+            git push
+          fi