🤖 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

.gitea/workflows/ci-cd.yaml

@@ -199,14 +199,10 @@ jobs:
           # Generate BDD coverage report
           go tool cover -func=coverage.out > bdd_coverage.txt
           
-          # Extract BDD coverage percentage
+          # Extract BDD coverage percentage and set as environment variable
           BDD_COVERAGE=$(grep "total:" bdd_coverage.txt | grep -oP '\d+\.\d+' | head -1)
           echo "BDD Coverage: ${BDD_COVERAGE}%"
-          
-          # Update BDD coverage badge
-          export PACKAGES_TOKEN="${{ secrets.PACKAGES_TOKEN }}"
-          export GITHUB_REF_NAME="${{ github.ref_name }}"
-          ./scripts/ci-update-coverage-badge.sh "$BDD_COVERAGE" "bdd"
+          echo "DLC_BDD_COVERAGE=${BDD_COVERAGE}%" >> $GITHUB_ENV
 
       - name: Run unit tests with coverage
         run: |
@@ -217,14 +213,10 @@ jobs:
           # Generate unit coverage report
           go tool cover -func=unit_coverage.out > unit_coverage.txt
           
-          # Extract unit test coverage percentage
+          # Extract unit test coverage percentage and set as environment variable
           UNIT_COVERAGE=$(grep "total:" unit_coverage.txt | grep -oP '\d+\.\d+' | head -1)
           echo "Unit Coverage: ${UNIT_COVERAGE}%"
-          
-          # Update unit test coverage badge
-          export PACKAGES_TOKEN="${{ secrets.PACKAGES_TOKEN }}"
-          export GITHUB_REF_NAME="${{ github.ref_name }}"
-          ./scripts/ci-update-coverage-badge.sh "$UNIT_COVERAGE" "unit"
+          echo "DLC_UNIT_COVERAGE=${UNIT_COVERAGE}%" >> $GITHUB_ENV
 
       - name: Run go fmt
         run: go fmt ./...
@@ -244,6 +236,39 @@ jobs:
       #     path: pkg/server/docs/swagger.json
       #     retention-days: 1
 
+      # Single badge update step using environment variables (KISS approach)
+      - name: Update all badges (single commit)
+        if: always() && github.ref == 'refs/heads/main' && github.actor != 'ci-bot'
+        run: |
+          echo "🎯 Updating all badges using environment variables..."
+          echo "BDD Coverage: ${DLC_BDD_COVERAGE:-Not set}"
+          echo "Unit Coverage: ${DLC_UNIT_COVERAGE:-Not set}"
+          
+          # Extract coverage values (remove % sign)
+          BDD_COV=${DLC_BDD_COVERAGE%"%"}
+          UNIT_COV=${DLC_UNIT_COVERAGE%"%"}
+          
+          # Update badges only if values are set
+          if [ -n "$BDD_COV" ] || [ -n "$UNIT_COV" ]; then
+            ./scripts/update-all-badges.sh "$BDD_COV" "$UNIT_COV"
+            
+            # Configure git
+            git config user.name "CI Bot"
+            git config user.email "ci@arcodange.fr"
+            git add README.md
+            
+            # Commit only if there are changes
+            if git commit -m "🤖 chore: update coverage badges [skip ci]"; then
+              echo "✅ Badges updated, committing changes..."
+              git push
+              echo "🎉 Successfully pushed badge updates"
+            else
+              echo "ℹ️  No badge changes to commit"
+            fi
+          else
+            echo "⚠️  No coverage data available to update badges"
+          fi
+
       # Docker build and push (main branch only)
       - name: Login to Gitea Container Registry
         if: github.ref == 'refs/heads/main'