🚀 Prepare for dual PyPI/NPM release v4.0

- Fix version consistency (PyPI: 4.0.0, NPM: 4.0.3)
- Update license format to PEP 639 compliance
- Restore NPM package components (bin/ and package.json)
- Fix NPM package name to @superclaude-org/superclaude
- Add comprehensive RELEASE_INSTRUCTIONS.md
- Update .gitignore to include NPM files
- Ready for production release on both PyPI and NPM

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

Docs/Developer-Guide/testing-debugging.md

@@ -237,10 +237,10 @@ echo ""
 # Check installation system
 echo "1. Installation System:"
 if command -v SuperClaude &> /dev/null; then
-    echo "   ✅ SuperClaude CLI available"
+    echo "   ✅ SuperClaude installation available"
     python3 -m SuperClaude --version
 else
-    echo "   ❌ SuperClaude CLI not found - install with: pip install SuperClaude"
+    echo "   ❌ SuperClaude not found - install with: pip install SuperClaude"
 fi
 
 # Check context files