🐛 fix: prevent duplicate badges with improved detection logic

README.md

@@ -4,8 +4,8 @@
 [![Go Report Card](https://goreportcard.com/badge/github.com/arcodange/dance-lessons-coach)](https://goreportcard.com/report/github.com/arcodange/dance-lessons-coach)
 [![Version](https://img.shields.io/badge/version-1.4.0-blue.svg)](https://gitea.arcodange.fr/arcodange/dance-lessons-coach/releases)
 [![License](https://img.shields.io/badge/license-MIT-green.svg)](LICENSE)
-[![Unit Coverage](https://img.shields.io/badge/Unit_Coverage-8.4%-red?style=flat-square)](https://gitea.arcodange.lab/arcodange/dance-lessons-coach)
 [![BDD Coverage](https://img.shields.io/badge/BDD_Coverage-55.9%-yellow?style=flat-square)](https://gitea.arcodange.lab/arcodange/dance-lessons-coach)
+[![Unit Coverage](https://img.shields.io/badge/Unit_Coverage-8.4%-red?style=flat-square)](https://gitea.arcodange.lab/arcodange/dance-lessons-coach)
 
 A Go project demonstrating idiomatic package structure, CLI implementation, and JSON API with Chi router.
 =======

scripts/ci-update-coverage-badge.sh

@@ -69,6 +69,20 @@ if grep -q "${BADGE_TYPE}_Coverage-${COVERAGE}%" README.md || grep -q "coverage-
     exit 0
 fi
 
+# Also check if badge already exists with this coverage (more flexible pattern)
+if [ "$BADGE_TYPE" = "bdd" ] || [ "$BADGE_TYPE" = "unit" ]; then
+    # Capitalize first letter for badge name
+    if [ "$BADGE_TYPE" = "unit" ]; then
+        BADGE_NAME="Unit"
+    else
+        BADGE_NAME="BDD"
+    fi
+    if grep -q "\[!\[${BADGE_NAME} Coverage\].*${COVERAGE}%" README.md; then
+        echo "Coverage badge already exists at ${COVERAGE}%"
+        exit 0
+    fi
+fi
+
 # Cross-platform sed command
 # Detect if we're on macOS (BSD sed) or Linux (GNU sed)
 SED_CMD=""