Add debug steps to troubleshoot badge color issue

Add debugging output to identify why coverage badge remains black:
- Show actual coverage percentage value
- Display fromJSON conversion result
- Check condition evaluations
- Verify final color calculation

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: knowledgecode

.github/workflows/test.yml

@@ -54,6 +54,14 @@ jobs:
       run: |
         echo "pct=$(jq '.total.lines.pct' coverage/coverage-summary.json)" >> $GITHUB_OUTPUT
 
+    - name: Debug coverage values
+      run: |
+        echo "Coverage percentage: ${{ steps.coverage.outputs.pct }}"
+        echo "fromJSON result: ${{ fromJSON(steps.coverage.outputs.pct) }}"
+        echo "Condition >= 80: ${{ fromJSON(steps.coverage.outputs.pct) >= 80 }}"
+        echo "Condition >= 60: ${{ fromJSON(steps.coverage.outputs.pct) >= 60 }}"
+        echo "Final color: ${{ fromJSON(steps.coverage.outputs.pct) >= 80 && 'brightgreen' || fromJSON(steps.coverage.outputs.pct) >= 60 && 'yellow' || 'red' }}"
+
     - name: Create badges directory
       run: mkdir -p badges