Adjust /generate_dist command

.github/workflows/generate_dist.yml

@@ -15,10 +15,12 @@ permissions:
 jobs:
   generate_dist:
     runs-on: ubuntu-latest
-    if: ${{ github.event.issue.pull_request && github.event.comment.body == '/generate_dist' }}
+    if: ${{ github.event.issue.pull_request && contains(github.event.comment.body, '/generate_dist') }}
     steps:
     - name: Checkout code
       uses: actions/checkout@v4
+      with:
+        ref: ${{ github.sha }}
 
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
@@ -38,8 +40,8 @@ jobs:
 
     - name: Commit distribution files
       run: |
-        git config --global user.name "github-actions[bot]"
-        git config --global user.email "github-actions[bot]@users.noreply.github.com"
+        git config --local user.name "GitHub Action"
+        git config --local user.email "action@github.com"
         git add dist
-        git commit -m "🤖 Update distribution files"
+        git commit -m "🤖 Update distribution files" || exit 0 # Exit gracefully if no changes
         git push