Worktree-isolated local Postgres for Vite+, Nx, and CedarJS (via autopg)

`autopg()` is a one-line helper that fills in every Lakebase Postgres env var the AppKit `lakebase` plugin needs from whatever fragments your deployment actually carries. Run it once before `createApp(...)` and stop hand-rolling connection strings:

Embedded PostgreSQL server with true concurrent connections - zero config, auto-provision databases

React auto page generator