feat(webapp): pin the dashboard agent to a deployed version#4128
feat(webapp): pin the dashboard agent to a deployed version#4128ericallam wants to merge 2 commits into
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The dashboard agent (a chat.agent in its own Trigger.dev project) can now be deployed independently of the app that talks to it. A new workflow deploys the agent with --skip-promotion, so a deploy never becomes current on its own, and the app pins its sessions to a specific version via DASHBOARD_AGENT_VERSION (unset falls back to the project env's current version). The pin flows through to session start, head start, and every continuation run, so cutting over is a config flip rather than a redeploy.
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WalkthroughThis change adds a GitHub Actions workflow to deploy the internal dashboard-agent package to staging or production via the Trigger.dev CLI, triggered by pushes to matching paths or by manual dispatch. It also adds an optional Changes
Sequence Diagram(s)sequenceDiagram
participant Env as env.server
participant DashboardAgent as dashboardAgent.server
participant HeadStart as dashboardAgentHeadStart.server
participant Chat as chat/chatServer
Env->>DashboardAgent: DASHBOARD_AGENT_VERSION
DashboardAgent->>DashboardAgent: dashboardAgentTriggerConfig()
DashboardAgent->>Chat: createStartSessionAction(triggerConfig)
HeadStart->>DashboardAgent: dashboardAgentTriggerConfig()
HeadStart->>Chat: startHeadStart(triggerConfig)
Estimated code review effort: 3/5 (Medium) Related issues: None specified. Related PRs: None specified. Suggested labels: ci, webapp, enhancement Suggested reviewers: None specified. 🐰 Version pinned, workflow spun, 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
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♻️ Duplicate comments (1)
.github/workflows/dashboard-agent-deploy.yml (1)
65-71: 🔒 Security & Privacy | 🟠 Major | ⚡ Quick winShell-interpolated workflow input — code injection via template expansion.
Line 71 substitutes
${{ github.event.inputs.environment || 'staging' }}directly into therun:shell command rather than passing it through the environment, which is the pattern flagged by zizmor and previously called out by GitHub Advanced Security'scode-scanningcheck on this same line. Even though the input is achoicetype in the UI,workflow_dispatchcan be invoked via the REST/GraphQL API with an arbitrary string that bypasses the dropdown'soptionsconstraint, so the value should not be spliced into the shell script directly.🔒 Proposed fix: route the input through an env var
- name: Deploy (--skip-promotion) working-directory: internal-packages/dashboard-agent env: TRIGGER_ACCESS_TOKEN: ${{ secrets.TRIGGER_DASHBOARD_AGENT_DEPLOY_TOKEN }} + DEPLOY_ENV: ${{ github.event.inputs.environment || 'staging' }} # Invoke the built CLI directly (what the workspace .bin/trigger wrapper does), # so a not-yet-linked bin after a fresh install can't break the deploy. - run: node ../../packages/cli-v3/dist/esm/index.js deploy --skip-promotion --env ${{ github.event.inputs.environment || 'staging' }} + run: node ../../packages/cli-v3/dist/esm/index.js deploy --skip-promotion --env "$DEPLOY_ENV"Source: Linters/SAST tools
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📒 Files selected for processing (4)
.github/workflows/dashboard-agent-deploy.ymlapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.tsapps/webapp/app/services/dashboardAgentHeadStart.server.ts
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- GitHub Check: webapp / 🧪 Unit Tests: Webapp (9, 10)
- GitHub Check: webapp / 🧪 Unit Tests: Webapp (7, 10)
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- GitHub Check: webapp / 🧪 Unit Tests: Webapp (1, 10)
- GitHub Check: webapp / 🧪 Unit Tests: Webapp (6, 10)
- GitHub Check: webapp / 🧪 Unit Tests: Webapp (8, 10)
- GitHub Check: webapp / 🧪 Unit Tests: Webapp (2, 10)
- GitHub Check: webapp / 🧪 Unit Tests: Webapp (5, 10)
- GitHub Check: webapp / 🧪 Unit Tests: Webapp (4, 10)
- GitHub Check: webapp / 🧪 Unit Tests: Webapp (3, 10)
- GitHub Check: typecheck / typecheck
- GitHub Check: e2e-webapp / 🧪 E2E Tests: Webapp
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GitHub Check: zizmor: 1 new alert including 1 error
Conclusion: failure
### New alerts in code changed by this pull request
* 1 error
See annotations below for details.
[View all branch alerts](/triggerdotdev/trigger.dev/security/code-scanning?query=pr%3A4128+tool%3Azizmor+is%3Aopen).
🧰 Additional context used
📓 Path-based instructions (8)
**/*.{ts,tsx}
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
**/*.{ts,tsx}: Use types over interfaces for TypeScript
Avoid using enums; prefer string unions or const objects instead
Files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
{packages/core,apps/webapp}/**/*.{ts,tsx}
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
Use zod for validation in packages/core and apps/webapp
Files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
**/*.{ts,tsx,js,jsx}
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
Use function declarations instead of default exports
Files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
**/*.ts
📄 CodeRabbit inference engine (.cursor/rules/otel-metrics.mdc)
**/*.ts: When creating or editing OTEL metrics (counters, histograms, gauges), ensure metric attributes have low cardinality by using only enums, booleans, bounded error codes, or bounded shard IDs
Do not use high-cardinality attributes in OTEL metrics such as UUIDs/IDs (envId, userId, runId, projectId, organizationId), unbounded integers (itemCount, batchSize, retryCount), timestamps (createdAt, startTime), or free-form strings (errorMessage, taskName, queueName)
When exporting OTEL metrics via OTLP to Prometheus, be aware that the exporter automatically adds unit suffixes to metric names (e.g., 'my_duration_ms' becomes 'my_duration_ms_milliseconds', 'my_counter' becomes 'my_counter_total'). Account for these transformations when writing Grafana dashboards or Prometheus queries
Files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
apps/webapp/**/*.{ts,tsx}
📄 CodeRabbit inference engine (.cursor/rules/webapp.mdc)
apps/webapp/**/*.{ts,tsx}: Access environment variables through theenvexport ofenv.server.tsinstead of directly accessingprocess.env
Use subpath exports from@trigger.dev/corepackage instead of importing from the root@trigger.dev/corepathUse named constants for sentinel/placeholder values (e.g.
const UNSET_VALUE = '__unset__') instead of raw string literals scattered across comparisons
Files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
apps/webapp/**/*.server.ts
📄 CodeRabbit inference engine (apps/webapp/CLAUDE.md)
apps/webapp/**/*.server.ts: Never userequest.signalfor detecting client disconnects. UsegetRequestAbortSignal()fromapp/services/httpAsyncStorage.server.tsinstead, which is wired directly to Expressres.on('close')and fires reliably
Access environment variables viaenvexport fromapp/env.server.ts. Never useprocess.envdirectly
Always usefindFirstinstead offindUniquein Prisma queries.findUniquehas an implicit DataLoader that batches concurrent calls and has active bugs even in Prisma 6.x (uppercase UUIDs returning null, composite key SQL correctness issues, 5-10x worse performance).findFirstis never batched and avoids this entire class of issues
Files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
**/*.{ts,tsx,js,jsx,mts,cts,mjs,cjs}
📄 CodeRabbit inference engine (CLAUDE.md)
**/*.{ts,tsx,js,jsx,mts,cts,mjs,cjs}: Usepnpm run typecheckfor changes in apps (apps/*) and internal packages (internal-packages/*), and never usebuildto verify those changes.
Use Vitest for tests, and never mock anything; use testcontainers instead.
Prefer static imports over dynamicimport(), and only use dynamic imports for unresolved circular dependencies, genuine code-splitting needs, or conditional runtime loading.
Files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
**/*.{ts,tsx,js,jsx,mts,cts,mjs,cjs,md,mdx}
📄 CodeRabbit inference engine (CLAUDE.md)
Always import from
@trigger.dev/sdkwhen writing Trigger.dev tasks; never use@trigger.dev/sdk/v3or deprecatedclient.defineJob.
Files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
🧠 Learnings (15)
📚 Learning: 2026-03-22T13:26:12.060Z
Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 3244
File: apps/webapp/app/components/code/TextEditor.tsx:81-86
Timestamp: 2026-03-22T13:26:12.060Z
Learning: In the triggerdotdev/trigger.dev codebase, do not flag `navigator.clipboard.writeText(...)` calls for `missing-await`/`unhandled-promise` issues. These clipboard writes are intentionally invoked without `await` and without `catch` handlers across the project; keep that behavior consistent when reviewing TypeScript/TSX files (e.g., usages like in `apps/webapp/app/components/code/TextEditor.tsx`).
Applied to files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
📚 Learning: 2026-03-22T19:24:14.403Z
Learnt from: matt-aitken
Repo: triggerdotdev/trigger.dev PR: 3187
File: apps/webapp/app/v3/services/alerts/deliverErrorGroupAlert.server.ts:200-204
Timestamp: 2026-03-22T19:24:14.403Z
Learning: In the triggerdotdev/trigger.dev codebase, webhook URLs are not expected to contain embedded credentials/secrets (e.g., fields like `ProjectAlertWebhookProperties` should only hold credential-free webhook endpoints). During code review, if you see logging or inclusion of raw webhook URLs in error messages, do not automatically treat it as a credential-leak/secrets-in-logs issue by default—first verify the URL does not contain embedded credentials (for example, no username/password in the URL, no obvious secret/token query params or fragments). If the URL is credential-free per this project’s conventions, allow the logging.
Applied to files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
📚 Learning: 2026-05-18T08:21:27.694Z
Learnt from: d-cs
Repo: triggerdotdev/trigger.dev PR: 3632
File: apps/webapp/sentry.server.ts:4-21
Timestamp: 2026-05-18T08:21:27.694Z
Learning: When handling Prisma error P1001 ("Can't reach database server") in TypeScript, don’t assume a single error shape. Prisma can surface P1001 via two different error classes/fields: `PrismaClientKnownRequestError` exposes it as `err.code === "P1001"` (common during mid-query connection drops), while `PrismaClientInitializationError` exposes it as `err.errorCode === "P1001"` (common on client startup failure). Therefore, predicates should use `err.code === "P1001" || err.errorCode === "P1001"`. Do not flag `err.code === "P1001"` as “unreachable/never matches,” as it is expected in production.
Applied to files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
📚 Learning: 2026-05-18T08:21:27.694Z
Learnt from: d-cs
Repo: triggerdotdev/trigger.dev PR: 3632
File: apps/webapp/sentry.server.ts:4-21
Timestamp: 2026-05-18T08:21:27.694Z
Learning: When handling Prisma errors for P1001 ("Can't reach database server"), do not assume it only appears under a single property name. Prisma may surface P1001 via either `PrismaClientKnownRequestError` (`err.code === "P1001"`, e.g., mid-query connection drops) or `PrismaClientInitializationError` (`err.errorCode === "P1001"`, e.g., client startup connection failure). To reliably detect the condition, check `err.code === "P1001" || err.errorCode === "P1001"`, and avoid review rules that would incorrectly flag `err.code === "P1001"` as unreachable/never-matching.
Applied to files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
📚 Learning: 2026-06-13T19:53:13.759Z
Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 3937
File: packages/trigger-sdk/skills/realtime-and-frontend/SKILL.md:258-260
Timestamp: 2026-06-13T19:53:13.759Z
Learning: When reviewing code that uses `trigger.dev/react-hooks`’s `useRealtimeRun`, preserve the call signature where the first argument is the full realtime handle object (not `handle.id`). This is intentional to maintain type-safety and is consistent with the official docs; do not suggest changing the first argument from the handle object to `handle.id`.
Applied to files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
📚 Learning: 2026-06-17T17:13:49.929Z
Learnt from: matt-aitken
Repo: triggerdotdev/trigger.dev PR: 3948
File: apps/webapp/app/routes/_app.orgs.$organizationSlug.projects.$projectParam.env.$envParam.bulk-actions.$bulkActionParam/route.tsx:48-62
Timestamp: 2026-06-17T17:13:49.929Z
Learning: In triggerdotdev/trigger.dev, within `dashboardLoader`/`dashboardAction` (or similar context resolver code) whenever you resolve an organization ID from an organization slug for RBAC/enterprise authorization scope, always read from the primary Prisma client (`prisma`), not `$replica`. Using `$replica` can hit replica-lag and cause the RBAC lookup/authorization to run without the correct org scope (bypassing intended role enforcement). Implement the slug→org lookup with `prisma.organization.findFirst(...)` (or equivalent primary-client query) and add an inline comment documenting why the primary client is required (replica lag could lead to unscoped RBAC checks).
Applied to files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
📚 Learning: 2026-06-23T13:04:21.413Z
Learnt from: carderne
Repo: triggerdotdev/trigger.dev PR: 4023
File: apps/webapp/app/services/upsertBranch.server.ts:14-18
Timestamp: 2026-06-23T13:04:21.413Z
Learning: In TypeScript, it’s valid to `import { type X }` and then use `typeof X` in a type-only position, e.g. `type Alias = z.infer<typeof X>`. The `type` modifier suppresses the runtime import, but the type checker still has the full exported type so `z.infer<typeof X>` can resolve correctly. In code reviews, don’t flag this as a TypeScript compile error as long as `typeof X` is used in a type context (e.g., with `z.infer`, `type` aliases, generics), not as a runtime value.
Applied to files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
📚 Learning: 2026-03-26T09:02:07.973Z
Learnt from: myftija
Repo: triggerdotdev/trigger.dev PR: 3274
File: apps/webapp/app/services/runsReplicationService.server.ts:922-924
Timestamp: 2026-03-26T09:02:07.973Z
Learning: When parsing Trigger.dev task run annotations in server-side services, keep `TaskRun.annotations` strictly conforming to the `RunAnnotations` schema from `trigger.dev/core/v3`. If the code already uses `RunAnnotations.safeParse` (e.g., in a `#parseAnnotations` helper), treat that as intentional/necessary for atomic, schema-accurate annotation handling. Do not recommend relaxing the annotation payload schema or using a permissive “passthrough” parse path, since the annotations are expected to be written atomically in one operation and should not contain partial/legacy payloads that would require a looser parser.
Applied to files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/services/dashboardAgent.server.ts
📚 Learning: 2026-05-05T09:38:02.512Z
Learnt from: d-cs
Repo: triggerdotdev/trigger.dev PR: 3523
File: apps/webapp/app/routes/api.v3.batches.ts:178-181
Timestamp: 2026-05-05T09:38:02.512Z
Learning: When reviewing code that catches `ServiceValidationError` in `*.server.ts` files, do not blindly forward `error.status` to HTTP responses, because SVEs may be thrown with non-default statuses (e.g., 400/500) and forwarding them can cause client-visible behavioral regressions (e.g., surfacing 500s to clients). Prefer a safe default response status of `error.status ?? 422`, but only after confirming via the reachable call graph that the caught `ServiceValidationError` instances are expected to carry those non-default statuses; otherwise, normalize to `422` to avoid unexpected client-visible 5xx behavior.
Applied to files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
📚 Learning: 2026-05-12T21:04:05.815Z
Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 3542
File: apps/webapp/app/components/sessions/v1/SessionStatus.tsx:1-3
Timestamp: 2026-05-12T21:04:05.815Z
Learning: In this Remix + TypeScript codebase, do not flag a server/client boundary violation when a file imports only types from a module matching `*.server`.
Specifically, it’s safe to import types using `import type { Foo } from "*.server"` or `import { type Foo } from "*.server"` because TypeScript erases type-only imports at compile time and they emit no JavaScript, so they won’t cross the Remix server/client bundle boundary.
Only raise the boundary concern for value imports (e.g., `import { Foo }` without `type`, or `import Foo`), since those produce JavaScript output.
Applied to files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
📚 Learning: 2026-06-25T18:21:51.905Z
Learnt from: carderne
Repo: triggerdotdev/trigger.dev PR: 4039
File: apps/webapp/app/routes/invite-revoke.tsx:0-0
Timestamp: 2026-06-25T18:21:51.905Z
Learning: During the Zod v4 migration in the triggerdotdev/trigger.dev webapp, ensure any imports from `conform-to/zod` use the Zod-4 subpath: `conform-to/zod/v4` (e.g., `import { parseWithZod } from "conform-to/zod/v4"`). Do not import from the package root `conform-to/zod`, because it is the Zod 3 implementation and may load Zod-3-only symbols (e.g., `ZodBranded`, `ZodEffects`), which can throw at module load (notably with `zod4.4.3`). This should be enforced across `apps/webapp/**/*` where helpers like `parseWithZod` and `conformZodMessage` are used.
Applied to files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
📚 Learning: 2026-06-04T18:16:35.386Z
Learnt from: nicktrn
Repo: triggerdotdev/trigger.dev PR: 3836
File: apps/supervisor/src/backpressure/backpressureMonitor.ts:3-5
Timestamp: 2026-06-04T18:16:35.386Z
Learning: When reviewing TypeScript in this repo, apply the rule “prefer type aliases over interfaces” only to data/object shapes and union/intersection type modeling. If an interface is being used as a behavioral contract for collaborators to implement (e.g., method-shape interfaces that define required behavior, such as `BackpressureLogger` / `BackpressureSignalSource` in `apps/supervisor/src/backpressure/backpressureMonitor.ts`), keep it as an `interface` and do not flag it as a type-alias-vs-interface violation.
Applied to files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
📚 Learning: 2026-06-09T17:58:04.699Z
Learnt from: 0ski
Repo: triggerdotdev/trigger.dev PR: 3879
File: apps/webapp/app/models/vercelIntegration.server.ts:619-630
Timestamp: 2026-06-09T17:58:04.699Z
Learning: In this codebase, outbound raw `fetch` calls should typically rely on Node/undici’s default request timeout (about ~300s) rather than adding a per-call `AbortController` + `setTimeout` wrapper inside individual functions (e.g. in files like `apps/webapp/app/models/vercelIntegration.server.ts`). During code review, do not flag the absence of a per-call timeout on a single `fetch` as an issue; if per-call timeouts are needed, they should be implemented via a codebase-wide convention (e.g., a shared fetch wrapper or documented pattern) rather than ad-hoc per-function changes.
Applied to files:
apps/webapp/app/services/dashboardAgentHeadStart.server.tsapps/webapp/app/env.server.tsapps/webapp/app/services/dashboardAgent.server.ts
📚 Learning: 2026-05-20T17:21:18.543Z
Learnt from: d-cs
Repo: triggerdotdev/trigger.dev PR: 3678
File: apps/webapp/app/entry.server.tsx:0-0
Timestamp: 2026-05-20T17:21:18.543Z
Learning: In env.server.ts (Zod env schema), any environment variable you plan to access via the typed `env` export (e.g., `env.SENTRY_DSN`) must be explicitly declared in the schema. For `SENTRY_DSN`, include `SENTRY_DSN: z.string().optional()`; otherwise switching from `process.env.SENTRY_DSN` to `env.SENTRY_DSN` will fail TypeScript typechecking.
Applied to files:
apps/webapp/app/env.server.ts
📚 Learning: 2026-06-01T11:37:08.569Z
Learnt from: d-cs
Repo: triggerdotdev/trigger.dev PR: 3754
File: apps/webapp/app/env.server.ts:1104-1129
Timestamp: 2026-06-01T11:37:08.569Z
Learning: In apps/*/app/env.server.ts, any new background/periodic worker feature flag should hard-default to "0" (explicit opt-in) rather than inheriting from a parent flag (e.g., avoid defaulting to process.env.TRIGGER_MOLLIFIER_ENABLED ?? "0"). Inheriting can cause the new worker to auto-start on upgrade for deployments that already enabled the parent flag, turning on unexpected background load without an explicit rollout. Each worker component must require its own dedicated env var and default it explicitly to "0" (e.g., TRIGGER_MOLLIFIER_STALE_SWEEP_ENABLED defaults to "0" unless explicitly set to enable that worker).
Applied to files:
apps/webapp/app/env.server.ts
🪛 GitHub Check: zizmor
.github/workflows/dashboard-agent-deploy.yml
[failure] 71-71:
code injection via template expansion: may expand into attacker-controllable code
🔇 Additional comments (4)
.github/workflows/dashboard-agent-deploy.yml (1)
1-64: LGTM!Also applies to: 72-72
apps/webapp/app/env.server.ts (1)
109-111: LGTM!apps/webapp/app/services/dashboardAgent.server.ts (1)
60-76: LGTM!apps/webapp/app/services/dashboardAgentHeadStart.server.ts (1)
12-12: LGTM!Also applies to: 41-59
Deploy a leg per environment (staging + prod) via a matrix, each gated by its own environment, and trigger on pushes to main that touch the agent or its store. Both deploys are --skip-promotion, so they stage dormant versions the app pins to independently.
Summary
The dashboard agent runs as a
chat.agentin its own Trigger.dev project, deployed separately from the app that starts its sessions. This adds independent, non-disruptive deploys for it: a new workflow deploys the agent with--skip-promotion(so a deploy never becomes the current version on its own), and the app pins its sessions to a chosen version.How it works
DASHBOARD_AGENT_VERSION(unset by default) pins agent sessions to a specific deployed version; when unset, sessions run on the project environment's current version. The pin is passed on session start and head start and is forwarded to every continuation run, so a pinned session stays on its version for its whole life. Cutting over to a new build becomes a config change (set the version) rather than a redeploy, and rollback is flipping it back.The workflow (
dashboard-agent-deploy.yml) runs a leg per environment (staging and prod), each gated by its own environment, and triggers on pushes tomainthat touch the agent or its store (also available via manual dispatch). Deploy versions are per-environment, so each environment pins to its own leg's version.