Blurb Engineer

Operational guide for developing the Blurb platform at blurb-workspace/.

Monorepo Structure

blurb-workspace/
├── engei-widgets/  — Widget plugins (Chart, Map, Mermaid, etc.)
├── engei/          — React editor/preview library (CodeMirror + markdown)
└── blurb/          — Cloudflare Worker app (Hono + D1)
    ├── app/        — Client SPA (React, mounted at /app/main.tsx)
    ├── src/        — Worker server (Hono routes, D1 queries)
    ├── lib/        — Shared utils (fern-core.ts)
    └── migrations/ — D1 SQL migrations

Build Chain