Katia Bulatova
4569657923
## What & why This is the system behind the Dashboard Agent — an assistant that answers questions about a project's runs, errors, queues, deploys and health, and can investigate failures end to end. The agent runs as a chat.agent task in its own Trigger project. It has no access to the main database or ClickHouse; all platform data is read through the public API using a delegated, read-only user token. Everything here is behind `canAccessDashboardAgent` and inert with the flag off. The UI that mounts the panel lands in #4529. ## Stack `#4418` (this, base) ← `#4529` UI ← `#4525` Watch ← `#4516` storybook gallery. The scenario/contract reference for the whole stack is `internal-packages/dashboard-agent/GUIDEBOOK.md` (it lands on the Watch branch): it states, per feature, what makes each thing happen and where that is decided. ## What's inside **Agent runtime and tools** — `internal-packages/dashboard-agent`: prompt, tool set (API reads, TRQL query, docs, navigation, evidence/investigations, repo source), conversation compaction, a prompt-prefix token budget pinned by snapshot test, and sampled LLM-judged turn evals. The package cannot import webapp server code, which is what makes the "no DB access" claim structural rather than a convention. **Contracts** — `internal-packages/dashboard-agent-contracts`: `trigger://` URIs, intents, and the block envelope every rendered card travels in. **Conversation store** — `internal-packages/dashboard-agent-db`: drizzle over postgres-js in its own `trigger_dashboard_agent` Postgres schema, plus one additive migration. **Auth boundary** — the user-actor token gains an optional environment claim; one guard (`userActorEnvironment.server.ts`) enforces it so routes don't each re-derive the rule. Token minting, cap ceiling, and the RBAC fallback path for self-hosted. **Transport** — webapp resource routes that mint the token and proxy each turn, and SDK-side mid-turn reconnect. **Public API the agent reads through** — orgs, projects, environments, runs, queue metrics, workers, a run's commit metadata, repo snapshot, reports, and `POST /api/v1/query`. **Reports** — the health report's layout is declared once and shared by the card, the markdown surface and the JSON/MCP surface, so the same report reads the same in the dashboard, the terminal and an editor. **Block renderers** — the report and investigation cards the flows above already emit (`app/components/dashboard-agent/`). The panel that hosts them, and the rest of the chat UI, is #4529. **Query safety and CSP** — see below. ## Key decisions - **The agent is a separate Trigger project, not webapp code.** It reads platform data over the public API with a delegated user-actor token whose `cap` ceilings it to read scopes. No Prisma, no ClickHouse, no webapp imports. - **The PAT-only auth helper now refuses user-actor tokens.** This is an intentional behavioral change: its callers consume only a bare userId and do not enforce delegated-token capabilities. Actor-aware routes continue through the scoped route builders instead. - **RBAC fallback builds a delegated token's ability from its own cap**, never the blanket ability a PAT gets (read-only when the token declares none). Without this, the agent's read-only cap would buy a write JWT on self-hosted. - **Org creation checks RBAC only for user-actor tokens, and only after the env gate**, so an install with `ORG_CREATION_API_ENABLED` off returns 404 rather than 403, and an ordinary PAT never consults an ability the route has no org to scope. Both orderings are pinned by test. - **The query path is read-only in depth.** TRQL rejects write statements at the grammar level (they don't parse, rather than being filtered), ClickHouse runs with `readonly=1`, and the org/project/env filters are injected server-side from the credential — the request body cannot widen scope. An unparseable query denies instead of falling through to the permissive resource. - **Document-wide img-src CSP.** Remote images are an outbound-request/exfiltration surface, so the policy permits only own-origin/data/blob, the required SSO avatar hosts, and the favicon endpoint. Operators can add exact origins through CSP_IMG_SRC_ALLOWLIST; wildcard hosts and bare schemes are intentionally not allowed. - **The chat transport reconnects on a mid-turn EOF** (`@trigger.dev/sdk`). A body that ends without a turn-complete is terminal only when the server says `X-Session-Settled: true`; otherwise the transport resubscribes from `lastEventId` with bounded backoff, and any record re-earns the budget. Previously a closed long-poll window or a proxy restart left the reply stuck as if still generating. - **Conversations live in their own datastore**, schema-scoped and foreign-key-free (it references `organizationId`/`userId` by id, because in cloud it is a different database). It is a display read-model for the History tab and transport resume; `chat.agent`'s object-store snapshot remains the model's source of truth. - **Deterministic first.** Reports and health checks contain no LLM — they are computed from the same data the dashboard shows, and the model only narrates and links them. That is what makes a number in an answer auditable. ## Testing - 63 new test files, run with `pnpm run test --filter webapp` and per-package vitest. Heaviest coverage on the auth boundary (`userActorPatOnlyBoundary`, `userActorTokenClaimsAndScopes`, `contextlessPatRoutes`, `rbacFallbackBranch`), TRQL read-only, the report layout, and the SDK reconnect. - The agent package has a separate eval lane (`pnpm run test:evals`, `vitest.eval.config.ts`) that hits the real model, so it never runs in `pnpm test`. - Live-tested against a local stack scenario by scenario; the GUIDEBOOK lists the condition each behaviour is expected under, which is what those runs were checked against. ## Changelog `.server-changes/dashboard-agent.md`, plus changesets for `@trigger.dev/core` (report schemas), `@trigger.dev/sdk` (chat reconnect) and the CLI's `mint-token` help text.
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About Trigger.dev
Trigger.dev is the open-source platform for building AI workflows in TypeScript. Long-running tasks with retries, queues, observability, and elastic scaling.
The platform designed for building AI agents
Build AI agents using all the frameworks, services and LLMs you're used to, deploy them to Trigger.dev and get durable, long-running tasks with retries, queues, observability, and elastic scaling out of the box.
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Long-running without timeouts: Execute your tasks with absolutely no timeouts, unlike AWS Lambda, Vercel, and other serverless platforms.
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Durability, retries & queues: Build rock solid agents and AI applications using our durable tasks, retries, queues and idempotency.
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True runtime freedom: Customize your deployed tasks with system packages – run browsers, Python scripts, FFmpeg and more.
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Human-in-the-loop: Programmatically pause your tasks until a human can approve, reject or give feedback.
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Realtime apps & streaming: Move your background jobs to the foreground by subscribing to runs or streaming AI responses to your app.
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Observability & monitoring: Each run has full tracing and logs. Configure error alerts to catch bugs fast.
Key features:
- JavaScript and TypeScript SDK - Build background tasks using familiar programming models
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import { task } from "@trigger.dev/sdk";
//1. You need to export each task
export const helloWorld = task({
//2. Use a unique id for each task
id: "hello-world",
//3. The run function is the main function of the task
run: async (payload: { message: string }) => {
//4. You can write code that runs for a long time here, there are no timeouts
console.log(payload.message);
},
});
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