fix: handle exit code 65 (warnings) in production-release validation

Author: Dani-Koza-AF

.github/workflows/production-release.yml

@@ -220,7 +220,24 @@ jobs:
       - name: 🔍 Validate package
         run: |
           echo "Running pub publish dry-run to validate package..."
+          # Run dry-run and capture exit code
+          # Exit code 65 = warnings only (acceptable, e.g., gitignored files)
+          # Exit code 0 = success
+          # Other exit codes = real errors
+          set +e
           flutter pub publish --dry-run
+          EXIT_CODE=$?
+          set -e
+          
+          if [ $EXIT_CODE -eq 0 ]; then
+            echo "✅ Package validation passed with no warnings"
+          elif [ $EXIT_CODE -eq 65 ]; then
+            echo "⚠️ Package validation passed with warnings (acceptable)"
+            echo "Warnings don't prevent publishing"
+          else
+            echo "❌ Package validation failed with exit code $EXIT_CODE"
+            exit $EXIT_CODE
+          fi
       
       - name: 📝 Check pub.dev credentials
         run: |