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Two kinds of machine were modelled as one. A host somebody brings is theirs, reached through a team, and should die with their account. A host bought to serve other people's workloads is none of those things — and there was nowhere to put it, so it had to be registered under an employee's personal team, where it was that person's property and their account going away took it with them. Ownership becomes an either/or. A machine names a team or an organisation, exactly one, enforced by a check constraint rather than by convention: both null is a host nothing can bill, and both set is two answers to "whose is this?" where whichever join a query happens to take decides who pays. Hardware an organisation owns has no team and no person at all, which is the point. The organisation is deliberately not a billing subject and has no plan columns. It says who owns the metal; a team pays for what it uses either way. Membership is derived from a verified email domain rather than stored. An address is already the root identity, so a second record of who belongs where is a second answer that can disagree with the first — and deriving it means signing in with a personal address still gets an ordinary personal account, which is what lets one person hold a company account and use the consumer product. Nothing is granted on an unverified domain or an unverified address: either one is a string somebody typed. Entitlement on fleet hardware refuses everyone for now, with a reason that says so. What grants a run on metered hardware is a plan, and there is nothing to ask yet, so it fails closed rather than giving the expensive case away. The branch is written out so the plan check has one obvious place to land. Routes are read-only, and nothing seeds an organisation. Creating one grants membership to everyone who can receive mail at a domain, so it is an operator action against the database — a migration that inserted one would insert it into every deployment, including ones we have nothing to do with. See docs/deploy.md.
packages/core
@nestri/core — the domain layer for Nestri. All business logic, database access, and
serialization lives here. The API and auth workers are thin pass-through translation layers on top.
What it contains
| Area | Files | Purpose |
|---|---|---|
| db | db/index.ts, db/types.ts, db/test.ts |
Drizzle + Postgres (Database.use/transaction), ULID column helpers |
| users | user/* |
Users, linked accounts, fingerprints, library |
| teams | team/* |
Teams + membership with roles (team_member) |
| games | game/* |
Game catalog, depot content, per-host downloads |
| steam | steam/index.ts |
Steam API integration & SSH identity resolution |
| auth | auth/subjects.ts |
JWT subjects shared with the auth worker |
| infra | env.ts, context.ts, actor.ts, fn.ts, id.ts, error.ts, examples.ts |
Environment, Actor model, zod-typed fn() wrappers, IDs, error types, examples |
| migrations | migrations/ |
Drizzle-kit SQL migrations for Postgres schema |
Conventions
- Domain namespaces (
user/,team/, ...) expose typedfn()functions that validate input with a Zod schema and serialize DB rows inside the function boundary — the API routes never see raw table rows. - Actor model:
Actor.userID,Actor.type, ... pull the current authenticated identity fromAsyncLocalStorage(set by the API middleware / auth worker) without passing it through call chains. - Soft delete: every table has
time_deleted; queries filter withisNull(table.timeDeleted). - IDs: ULIDs via
Identifier.ascending('user')→usr_.... - Tables are defined in
*.sql.tsfiles (drizzle) with namespaces inindex.ts. - Environment is read through
Env.get(), init by worker bindings.
Structure
src/
├── actor.ts, env.ts, id.ts, fn.ts, error.ts, examples.ts
├── db/
├── auth/
├── user/ (user.sql.ts, linked-account.*, fingerprint.*, library.*, index.ts)
├── team/ (team.sql.ts, member.*, index.ts)
├── game/ (game.sql.ts, depot.*, download.*, index.ts)
├── steam/ (index.ts)
├── pairing-code/
├── access-token/
└── machine/
Scripts
bun run db:push # push schema (drizzle-kit)
bun run db # open drizzle-kit
Usage
import { Team } from '@nestri/core/team/index';
import { Database } from '@nestri/core/db/index';
const team = await Team.fromID('tem_...');