🔄 fix: add race condition handling for concurrent coverage updates

.gitea/workflows/ci-cd.yaml

@@ -110,9 +110,29 @@ jobs:
           git config --global credential.helper store
           echo "https://${{ secrets.PACKAGES_TOKEN }}@gitea.arcodange.lab" > ~/.git-credentials
           
+          # Only update if coverage has actually changed
+          if grep -q "coverage-${COVERAGE}%" README.md; then
+            echo "Coverage badge already up to date at ${COVERAGE}%"
+          else
             git add README.md
             git commit -m "🤖 chore: update coverage badge to ${COVERAGE}% [skip ci]" || echo "No coverage change to commit"
-          git push || echo "Push failed - may be duplicate commit"
+            
+            # Try push with retry logic for race conditions
+            for i in 1 2 3; do
+              if git push; then
+                echo "Successfully updated coverage badge to ${COVERAGE}%"
+                break
+              else
+                echo "Push attempt $i failed, retrying..."
+                if [ $i -eq 3 ]; then
+                  echo "Final push attempt failed - another job may have updated the badge"
+                  git pull --rebase || true
+                  git push || echo "Recovery push also failed"
+                fi
+                sleep 2
+              fi
+            done
+          fi
 
       - name: Run go fmt
         run: go fmt ./...