Oat

A canvas for ideas. Drop links, text, images, and PDFs onto an infinite board, arrange them freely, and search across everything semantically.

Stack

• Next.js 16 (App Router, Turbopack)
• Better Auth (email/password, Drizzle adapter)
• Drizzle ORM + PostgreSQL (pgvector for embeddings)
• Vercel Blob (private object storage for images and PDFs)
• Vercel Workflows (async embedding pipeline)
• React Flow + Zustand (canvas + interaction cache)

Getting started

bun install
bun run db:generate   # generate Drizzle migration
bun run db:migrate    # apply to Postgres
bun run dev

You'll need these environment variables:

Variable	Purpose
DATABASE_URL	Postgres connection string
BETTER_AUTH_SECRET	Auth session signing secret
SITE_URL	App base URL
BLOB_READ_WRITE_TOKEN	Vercel Blob access token
GEMINI_API_KEY	Server-side Gemini API key for Gemini Embedding 2 text and image embeddings

Scripts

Command	Description
bun run dev	Start dev server
bun run build	Production build
bun run test	Run Vitest suite
bun run lint	Biome check
bun run db:generate	Generate Drizzle migration
bun run db:migrate	Apply migrations to Postgres
bun run db:studio	Open Drizzle Studio