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Phase 1 of decision 0085, the api piece (see .nestri contract
window-streams).
A box run (session) now holds launches: one game or app each. Billing,
allowance and the free weekend still count sessions; nothing about
limits changes. session_box_active_unique stays.
- Migration 0027: launch table (id lch_..., session_id, game_id, state
requested|running|ended|failed, first, time_started, time_stopped,
time_stop_requested, end_reason, error_message). Backfills a first
launch for every run that has not stopped.
- POST /session: same request; the response data gains launches (the
first launch).
- POST /session/{id}/launch {gameId}: 201 with the launch. Same library
check as POST /session. 409 unless the run is starting or live and not
being stopped.
- POST /session/{id}/launch/{launchId}/stop: marks the launch; host gets
launch.stop until it reports it over. A launch in a run no host has
claimed ends at once.
- POST /session/{id}/launch/{launchId}/state (host, run's claimToken):
running | ended | failed, optional endReason/errorMessage.
- When the last launch is over, the run is stopped through the same path
as POST /session/{id}/stop. A run ending ends every launch in it.
- GET /session/{id} gains launches.
- GET /machine/jobs: session.start gains launchId (the first launch);
new kinds launch.start and launch.stop. Agents skip unknown kinds, so
old hosts behave as before.
Tests: apps/api 203 pass (new test/launch.test.ts), packages/core 256
pass, against the local test Postgres.
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_...');