Critical (C1-C5):
- Gotcha routing in handlers.ts
- Playwright/Chromium in Dockerfile.mcp-server
- Server-side screenshot rendering via BrowserPool
- Scene persistence + short URLs (8-char UUIDs, LRU eviction)
- holoscript serve command (Three.js + hot-reload)

High (H1-H6):
- Plugin API handler fulfillment (scene, editor, ui, user)
- CLI import/export/visualize (JSON AST, Mermaid graphs)
- Wind -> FluidTrait WGSL pipeline implementation
- Three.js compiler enhancements (geometry, materials, shadows)

Medium/Low (M, L):
- NPM/URL plugin installation support
- Graceful daemon stop action
- Physics playground 'The Sunken Temple' gallery template
- Domain block parser validation (80+ token types)