fix(ci): Simplify commit message to avoid YAML parsing issues

.gitlab-ci.yml

@@ -289,13 +289,7 @@ perf-report:
         git pull origin main --rebase
         git add reports/
         git diff --cached --quiet || {
-          git commit -m "$(cat <<EOF
-perf: Add performance report for $CI_COMMIT_TAG
-
-Generated automatically by CI after tagged release.
-Pipeline: $CI_PIPELINE_URL
-EOF
-)"
+          git commit -m "perf: Add performance report for $CI_COMMIT_TAG [ci skip]"
           git push origin main && echo "SUCCESS: Report committed to main" || \
           echo "WARN: Push failed - add DEPLOY_KEY variable (base64 encoded SSH private key)"
         }