fix: sync step now correctly detects and pushes upstream merge

Author: buithehien1991

.github/workflows/translate-digest.yml

@@ -26,19 +26,18 @@ jobs:
 
       - name: Sync from upstream (duanyytop/agents-radar)
         run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
           git remote add upstream https://github.com/duanyytop/agents-radar.git || true
           git fetch upstream master
+          LOCAL=$(git rev-parse HEAD)
           git merge upstream/master --no-edit --allow-unrelated-histories || true
-
-      - name: Commit upstream sync
-        run: |
-          git config user.name "github-actions[bot]"
-          git config user.email "github-actions[bot]@users.noreply.github.com"
-          git add -A
-          if ! git diff --cached --quiet; then
-            git commit -m "sync: merge upstream"
-            git pull --rebase
+          AFTER=$(git rev-parse HEAD)
+          if [ "$LOCAL" != "$AFTER" ]; then
+            echo "Upstream merged — pushing..."
             git push
+          else
+            echo "Already up to date with upstream."
           fi
 
       - name: Determine target date