🤖 feat: implement KISS badge update using environment variables

- Fix badge URLs and remove duplicates
- Add update-all-badges.sh script for single commit updates
- Update CI/CD workflow to use environment variables
- Remove complex sequential commit logic
- Follow KISS principle with simple env var approach

scripts/update-all-badges.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+# Simple script to update coverage badges in README.md
+# Usage: ./scripts/update-all-badges.sh [bdd_coverage] [unit_coverage]
+# Both parameters are optional - only updates what's provided
+
+set -e
+
+BDD_COVERAGE=""
+UNIT_COVERAGE=""
+
+# Parse arguments (both optional)
+if [ -n "$1" ]; then
+    BDD_COVERAGE=$1
+fi
+
+if [ -n "$2" ]; then
+    UNIT_COVERAGE=$2
+fi
+
+echo "🎯 Updating coverage badges..."
+if [ -n "$BDD_COVERAGE" ]; then
+    echo "  BDD: ${BDD_COVERAGE}%"
+fi
+if [ -n "$UNIT_COVERAGE" ]; then
+    echo "  Unit: ${UNIT_COVERAGE}%"
+fi
+
+# Update BDD coverage badge if provided
+if [ -n "$BDD_COVERAGE" ] && grep -q "BDD_Coverage" README.md; then
+    sed -i '' "s/BDD_Coverage-[0-9.]\+-%/BDD_Coverage-${BDD_COVERAGE}-%/g" README.md
+    echo "✅ BDD coverage badge updated to ${BDD_COVERAGE}%"
+fi
+
+# Update Unit coverage badge if provided
+if [ -n "$UNIT_COVERAGE" ] && grep -q "Unit_Coverage" README.md; then
+    sed -i '' "s/Unit_Coverage-[0-9.]\+-%/Unit_Coverage-${UNIT_COVERAGE}-%/g" README.md
+    echo "✅ Unit coverage badge updated to ${UNIT_COVERAGE}%"
+fi
+
+# Update main coverage badge if BDD coverage provided
+if [ -n "$BDD_COVERAGE" ] && grep -q "coverage-[0-9.]\+-%" README.md; then
+    sed -i '' "s/coverage-[0-9.]\+-%/coverage-${BDD_COVERAGE}-%/g" README.md
+    echo "✅ Main coverage badge updated to ${BDD_COVERAGE}%"
+fi
+
+if [ -z "$BDD_COVERAGE" ] && [ -z "$UNIT_COVERAGE" ]; then
+    echo "ℹ️  No coverage values provided - nothing to update"
+fi
+
+echo "🎉 Badge update process completed!"