Waleed
366829b6b0
* fix(v2): derive the log and run status enums from the persisted status list
`GET /api/v2/logs` and `GET /api/v2/logs/{runId}` parse the raw
`workflow_execution_logs.status` column against a six-value enum that omits
`paused`, so a run holding that value returns 500. The list response is
validated whole-page, so one such row 500s every page it lands on, and the
row is durable until the run is resumed, cancelled, or failed.
`paused` is not written by an ordinary human-in-the-loop pause — that path
persists `pending` (logging-session.ts:1180). It is written by
`PauseResumeManager.markResumeAttemptFailed`, which fires on any
`ResumeAdmissionError`: a workspace over its usage limit, an archived or
undeployed workflow, or a concurrent resume losing the claim race. That is a
routine business path.
The enum was supposed to be protected by an `AssertNever` exhaustiveness gate,
but the gate was vacuous: it compared against `PersistedWorkflowExecutionStatus`,
a hand-written union that was itself missing `paused`, because the write goes
through a raw `sql` CASE fragment Drizzle cannot type-check. Adding `paused` to
both lists would leave the same vacuous gate in place for the next status.
Instead, `PERSISTED_WORKFLOW_EXECUTION_STATUSES` becomes the single runtime
source of truth, `PersistedWorkflowExecutionStatus` is derived from it, and both
v2 contracts derive their enums from the const rather than re-declaring them.
Both surfaces pass the column through verbatim, so their reported set is the
persisted set by definition — there is no editorial choice for a gate to force,
only the question of whether a newly persisted status should be public, which
the option-list tests now pin. The `[...V2_PERSISTED_RUN_STATUSES, 'paused']`
append on the runs contract is deleted rather than adjusted; it would otherwise
be a duplicate.
Alternatives rejected:
- A `.catch()` or `safeParse` in the presenters is dead code:
`v2-json-route.ts:271` re-parses the whole body with the same schema.
- Normalizing `markResumeAttemptFailed` to write `pending` would remove the
distinction the resume claim query at human-in-the-loop-manager.ts:973 relies
on, and leaves the contract wrong for any other future status.
- Typing the Drizzle column does not help: the offending write is a raw `sql`
fragment, and `packages/db` cannot import the app's status list.
The v2 workflows spec changes are reordering and description only — the value
set there already contained `paused`. The v2 logs spec gains `paused`, which is
additive and safe while the whole `/api/v2` surface is behind the off-by-default
`v2-api` flag; it must land before v2 GA, after which it would be breaking.
* fix(v2): document both provenances of a reported paused run status
* fix(v2): stop promising a paused discriminator the response cannot always provide
* fix(v2): describe the paused discriminator as the code actually records it
A workspace to build, deploy and manage AI agents and workflows.
Quickstart
Cloud-hosted: sim.ai
Self-hosted
git clone https://github.com/simstudioai/sim.git && cd sim
bun install
bun run setup
Capabilities
- Connect 1,000+ integrations and every major LLM
- Add Slack, Notion, HubSpot, Salesforce, databases, and more
- Build agents visually, conversationally, or with code
- Ingest files, knowledge bases, and structured table data
- Monitor runs, logs, schedules, and workflow activity
One workspace, every surface
Chat and workflows are just the start — tables, files, and knowledge all live in the same workspace.
Tables — a database, built in |
Files — one store for your team and every agent |
Knowledge — your agents' memory |
Self-hosting
bun run setup is an interactive wizard: it provisions the database, generates secrets, writes your .env files, connects a Chat API key, and starts Sim the way you choose:
- Local dev — run from source to contribute or hack on Sim
- Docker Compose — a self-contained instance for testing self-hosting
- Kubernetes (Helm) — deploy to a local cluster
When it finishes, open http://localhost:3000.
Reconfigure an optional capability without rerunning the full wizard:
bun run setup status
bun run setup email
bun run setup storage
bun run setup sandbox
bun run setup jobs
bun run setup cache
bun run setup knowledge
bun run setup llm
bun run setup integration slack
bun run setup status detects the effective local-dev, Docker Compose, or current-context
Helm configuration and reports configured, missing, or invalid capabilities and OAuth
integrations without printing credential values. This is separate from bun run sim status,
which reports whether installed services are running and healthy.
Manage your install with bun run sim:
bun run sim start | stop | restart # bring your install up / down / cycle
bun run sim update # pull/rebuild and apply Compose images
bun run sim status # what's installed and healthy
bun run sim logs # follow logs
bun run sim doctor # diagnose configuration problems
bun run sim down # remove containers (data kept)
bun run sim reset # archive .env and wipe managed data
sim detects how you're running (Docker Compose, local dev, or Kubernetes) and acts accordingly.
Prefer a bare sim? Run bun link once — but note sim lands in ~/.bun/bin, which Homebrew's bun doesn't add to your PATH, so you may need export PATH="$HOME/.bun/bin:$PATH" in your shell profile.
Sim also supports local models via Ollama and vLLM. See the self-hosting docs for details.
Chat API Keys
Chat is a Sim-managed service. bun run setup connects a Chat API key for you — sign in when it opens your browser and the key is stored automatically. To view, create, or revoke keys later, go to sim.ai/selfhost/settings/chat-keys.
Environment Variables
See the environment variables reference for the full list, or apps/sim/.env.example for defaults.
Tech Stack
Next.js · Bun · PostgreSQL · Drizzle · Better Auth · Tailwind — and the rest of the stack
- Framework: Next.js (App Router)
- Runtime: Bun
- Database: PostgreSQL with Drizzle ORM
- Authentication: Better Auth
- Schema Validation: Zod
- UI: Shadcn, Tailwind CSS
- Streaming Markdown: Streamdown
- State Management: Zustand, TanStack Query
- Flow Editor: ReactFlow
- Docs: Fumadocs
- Monorepo: Turborepo
- Realtime: Socket.io
- Background Jobs: Trigger.dev
- Remote Code Execution: E2B
- Isolated Code Execution: isolated-vm
Contributing
We welcome contributions! Please see our Contributing Guide for details.
License
This project is licensed under the Apache License 2.0 - see the LICENSE file for details.
