Release v0.4.0

What's Changed

✨ Features

• [analytics]: Self-contained HTML dashboard report (#340)
• [proxy]: Self-heal Claude Desktop proxy after sleep (#333)
• [metrics]: Separate API errors from tool errors in metrics (#321)

🐛 Bug Fixes

• [proxy]: Sync plugin-bundled skills on proxy startup (#336)
• [security]: Prevent error message leakage and add GCM-capable decrypt in standalone scripts (#328)

📚 Documentation

• [cli]: Add Windows Installation Wizard section to README (#329)
• Remove Bearer Authorization setup wizard references (#338)

🔧 Maintenance

• [agents]: Bump Claude Code version to 2.1.156 (#337)

Full Changelog: v0.3.2...v0.4.0