🐛 fix: improve badge cleanup logic and remove duplicates

scripts/ci-update-coverage-badge.sh

@@ -55,9 +55,10 @@ fi
 sed -i.bak '/^nhttps:\/\/.*img.shields.io.*Coverage/d' README.md 2>/dev/null || true
 sed -i.bak '/^https:\/\/.*img.shields.io.*Coverage/d' README.md 2>/dev/null || true
 
-# Remove old duplicate badges (with 0% coverage)
+# Remove old duplicate badges for the specific type being updated
 if [ "$BADGE_TYPE" = "bdd" ] || [ "$BADGE_TYPE" = "unit" ]; then
-    sed -i.bak "/${BADGE_TYPE}_Coverage-0%/d" README.md 2>/dev/null || true
+    # Remove all existing badges of this type before adding new one
+    sed -i.bak "/${BADGE_TYPE}_Coverage/d" README.md 2>/dev/null || true
 fi
 
 rm -f README.md.bak