Fix auto-pr to not fail when branches are already in sync

.github/workflows/auto-pr.yml

@@ -23,13 +23,18 @@ jobs:
 
           if [ -n "$EXISTING_PR" ]; then
             echo "PR #$EXISTING_PR already exists — new commits will appear automatically"
-          else
+            exit 0
+          fi
+
           echo "Creating new PR: master → main"
-            gh pr create \
+          if gh pr create \
             --base main \
             --head master \
             --title "Sync: master → main" \
             --body "Automated PR to sync master branch changes to main.
 
-          This PR was created automatically and will be merged once CI checks pass."
+          This PR was created automatically and will be merged once CI checks pass."; then
+            echo "PR created successfully"
+          else
+            echo "PR creation skipped (branches may already be in sync)"
           fi