feat(chat): expose endAndContinue to custom agents

[gtremper]

Summary

Raw chat.customAgent() loops can now call chat.endAndContinue() to move the Session to a fresh run. The managed loop already used the same server operation through chat.requestUpgrade(), but raw loops could not call it directly.

Call the method between turns after detaching input listeners from the old run. Await it and return immediately. Unconsumed .in records stay on the Session for the continuation run.

I put this on the chat namespace next to the other raw chat primitives. Happy to move it if maintainers prefer a different API placement.

Testing

• pnpm exec vitest run in packages/trigger-sdk (374 tests)
• Focused webapp Session E2E tests (3 tests)
• pnpm run build in packages/trigger-sdk
• Webapp typecheck
• pnpm run format
• pnpm run lint

Checklist

• I followed the contributing guide
• The PR title follows the convention
• I tested the change

Changelog

Allow custom chat agents to rotate to a new task version without dropping unconsumed Session input.

[changeset-bot]

🦋 Changeset detected

Latest commit: 31810b7

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 29 packages

Name	Type
@trigger.dev/sdk	Patch
@trigger.dev/python	Patch
@internal/dashboard-agent	Patch
@internal/sdk-compat-tests	Patch
@trigger.dev/build	Patch
@trigger.dev/core	Patch
@trigger.dev/react-hooks	Patch
@trigger.dev/redis-worker	Patch
@trigger.dev/rsc	Patch
@trigger.dev/schema-to-json	Patch
@trigger.dev/database	Patch
@trigger.dev/otlp-importer	Patch
@trigger.dev/rbac	Patch
@trigger.dev/sso	Patch
trigger.dev	Patch
@internal/cache	Patch
@internal/clickhouse	Patch
@internal/llm-model-catalog	Patch
@internal/metrics-pipeline	Patch
@internal/redis	Patch
@internal/replication	Patch
@internal/run-engine	Patch
@internal/run-store	Patch
@internal/schedule-engine	Patch
@internal/tracing	Patch
@internal/tsql	Patch
@internal/webhook-engine	Patch
@internal/webhook-sources	Patch
@internal/testcontainers	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

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📥 Commits

Reviewing files that changed from the base of the PR and between b729865 and 5839cc3.

📒 Files selected for processing (6)

• apps/webapp/test/helpers/testChatAgent.ts
• apps/webapp/test/session-agent.e2e.test.ts
• docs/ai-chat/custom-agents.mdx
• docs/ai-chat/patterns/version-upgrades.mdx
• packages/trigger-sdk/src/v3/ai.ts
• packages/trigger-sdk/test/chat-end-and-continue.test.ts

🚧 Files skipped from review as they are similar to previous changes (4)

• docs/ai-chat/custom-agents.mdx
• apps/webapp/test/session-agent.e2e.test.ts
• packages/trigger-sdk/src/v3/ai.ts
• docs/ai-chat/patterns/version-upgrades.mdx

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packages/trigger-sdk/**/*.{ts,tsx}

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In the Trigger.dev SDK (packages/trigger-sdk), prefer isomorphic code like fetch and ReadableStream instead of Node.js-specific code

Files:

• packages/trigger-sdk/test/chat-end-and-continue.test.ts

**/*.{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

**/*.{ts,tsx}: Prefer static imports over dynamic imports. Only use dynamic import() when:

• Circular dependencies cannot be resolved otherwise
• Code splitting is genuinely needed for performance
• The module must be loaded conditionally at runtime
  Zod is pinned to a single version across the entire monorepo (currently 3.25.76). When adding zod to a new or existing package, use the exact same version as the rest of the repo - never a different version or a range. Mismatched zod versions cause runtime type incompatibilities (e.g., schemas from one package can't be used as body validators in another).
  Do not reintroduce V1.
  Add crumbs as you write code — not just when debugging.
  Do not invent new namespaces — pick from this table or ask first.

Files:

• packages/trigger-sdk/test/chat-end-and-continue.test.ts
• apps/webapp/test/helpers/testChatAgent.ts

**/*.{ts,tsx,js,jsx}

📄 CodeRabbit inference engine (.github/copilot-instructions.md)

Use function declarations instead of default exports

Files:

• packages/trigger-sdk/test/chat-end-and-continue.test.ts
• apps/webapp/test/helpers/testChatAgent.ts

**/*.{test,spec}.{ts,tsx}

📄 CodeRabbit inference engine (.github/copilot-instructions.md)

Use vitest for all tests in the Trigger.dev repository

We use vitest exclusively. Never mock anything - use testcontainers instead.

Files:

• packages/trigger-sdk/test/chat-end-and-continue.test.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:

• packages/trigger-sdk/test/chat-end-and-continue.test.ts
• apps/webapp/test/helpers/testChatAgent.ts

packages/trigger-sdk/**/*.{js,ts,jsx,tsx}

📄 CodeRabbit inference engine (packages/trigger-sdk/CLAUDE.md)

Always import from @trigger.dev/sdk. Never use @trigger.dev/sdk/v3 (deprecated path alias)

Files:

• packages/trigger-sdk/test/chat-end-and-continue.test.ts

packages/**/*.{ts,tsx}

📄 CodeRabbit inference engine (AGENTS.md)

packages/**/*.{ts,tsx}: - Public packages (packages/*): Use build.
Always import from @trigger.dev/sdk. Never use @trigger.dev/sdk/v3 or deprecated client.defineJob.

Files:

• packages/trigger-sdk/test/chat-end-and-continue.test.ts

**/*.test.{ts,tsx}

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Test files go next to source files (e.g., MyService.ts -> MyService.test.ts).

Files:

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{packages/core,apps/webapp}/**/*.{ts,tsx}

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Files:

• apps/webapp/test/helpers/testChatAgent.ts

apps/webapp/**/*.{ts,tsx}

📄 CodeRabbit inference engine (.cursor/rules/webapp.mdc)

apps/webapp/**/*.{ts,tsx}: Access environment variables through the env export of env.server.ts instead of directly accessing process.env
Use subpath exports from @trigger.dev/core package instead of importing from the root @trigger.dev/core path

Files:

• apps/webapp/test/helpers/testChatAgent.ts

apps/**/*.{ts,tsx}

📄 CodeRabbit inference engine (AGENTS.md)

apps/**/*.{ts,tsx}: - Apps and internal packages (apps/*, internal-packages/*): Use typecheck. Never use build for these — building proves almost nothing about correctness.
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Files:

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🧠 Learnings (22)

📓 Common learnings

Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 4537
File: packages/trigger-sdk/test/normalizeKeyString.test.ts:1-2
Timestamp: 2026-08-16T18:36:58.179Z
Learning: In the Trigger.dev repository, `packages/trigger-sdk/test/` is the established location for related SDK `chat.agent` tests, including `chatChannels.test.ts`, `chatHandover`, `chat-snapshot`, and `chat-transport-events`. Keep new tests for this suite in `packages/trigger-sdk/test/` rather than moving individual files next to `packages/trigger-sdk/src/v3/` source files.

📚 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:

• packages/trigger-sdk/test/chat-end-and-continue.test.ts
• apps/webapp/test/helpers/testChatAgent.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:

• packages/trigger-sdk/test/chat-end-and-continue.test.ts
• apps/webapp/test/helpers/testChatAgent.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:

• packages/trigger-sdk/test/chat-end-and-continue.test.ts
• apps/webapp/test/helpers/testChatAgent.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:

• packages/trigger-sdk/test/chat-end-and-continue.test.ts
• apps/webapp/test/helpers/testChatAgent.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:

• packages/trigger-sdk/test/chat-end-and-continue.test.ts
• apps/webapp/test/helpers/testChatAgent.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:

• packages/trigger-sdk/test/chat-end-and-continue.test.ts
• apps/webapp/test/helpers/testChatAgent.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:

• packages/trigger-sdk/test/chat-end-and-continue.test.ts
• apps/webapp/test/helpers/testChatAgent.ts

📚 Learning: 2026-05-18T14:40:02.173Z

Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 3658
File: packages/core/src/v3/realtimeStreams/manager.test.ts:1-147
Timestamp: 2026-05-18T14:40:02.173Z
Learning: In this repo’s trigger.dev codebase, the “never mock — use testcontainers” guideline should only be applied to integration tests that talk to real external services (e.g., Redis, Postgres, S2). For unit tests that validate in-memory logic (e.g., deduplication/cache behavior in StandardRealtimeStreamsManager and similar module-boundary call counting), it is allowed to use Vitest mocks like `vi.fn()` and to stub/mock `ApiClient` objects to count calls or simulate in-process collaborators. Do not flag `vi.fn()`-based mocks as policy violations in these unit-test scenarios; reserve the rule for true external-service integration tests.

Applied to files:

• packages/trigger-sdk/test/chat-end-and-continue.test.ts

📚 Learning: 2026-05-18T14:40:02.173Z

Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 3658
File: packages/core/src/v3/realtimeStreams/manager.test.ts:1-147
Timestamp: 2026-05-18T14:40:02.173Z
Learning: In the triggerdotdev/trigger.dev repo, the policy “Never mock anything — use testcontainers instead” should only be enforced for integration tests that interact with real external services (e.g., Redis, Postgres) via actual infrastructure. For unit tests that exercise pure in-memory logic (e.g., cache semantics) it is OK to stub collaborators such as `ApiClient` using Vitest (`vi.fn()`) to assert call counts or control behavior. Do not flag `vi.fn()`-based `ApiClient` stubs in unit tests as violations of the testcontainers policy.

Applied to files:

• packages/trigger-sdk/test/chat-end-and-continue.test.ts

📚 Learning: 2026-05-19T22:37:47.286Z

Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 3671
File: packages/trigger-sdk/test/recovery-boot.test.ts:456-457
Timestamp: 2026-05-19T22:37:47.286Z
Learning: In `packages/trigger-sdk` (Trigger.dev SDK), `logger.warn` (and other SDK logger methods) should route to the Trigger.dev structured logger sink, not to `console.warn`. In SDK tests, `vi.spyOn(console, "warn")` (or similar console spies) should only be used to suppress stray console output; reviewers should not suggest asserting on `console.warn` spies to verify SDK-internal warning/fallback log behavior. Use the SDK’s structured-logger outputs/capture approach instead of console spies.

Applied to files:

• packages/trigger-sdk/test/chat-end-and-continue.test.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:

• packages/trigger-sdk/test/chat-end-and-continue.test.ts
• apps/webapp/test/helpers/testChatAgent.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:

• packages/trigger-sdk/test/chat-end-and-continue.test.ts
• apps/webapp/test/helpers/testChatAgent.ts

📚 Learning: 2026-06-16T09:19:47.637Z

Learnt from: d-cs
Repo: triggerdotdev/trigger.dev PR: 3960
File: apps/webapp/test/prismaInfrastructureErrorCapture.test.ts:0-0
Timestamp: 2026-06-16T09:19:47.637Z
Learning: In this repo’s Vitest setup, `vitest.config.ts` uses `globals: true`, so identifiers like `vi`, `describe`, `it`, and `expect` are available as globals in Vitest test files. During code review, do not flag missing `vi`/`describe`/`it`/`expect` imports as a runtime error or correctness issue when they’re used in `*.test.ts/tsx` or `*.spec.ts/tsx` files. Explicit imports are still preferred for consistency, but they’re not required for runtime behavior.

Applied to files:

• packages/trigger-sdk/test/chat-end-and-continue.test.ts

📚 Learning: 2026-08-16T18:36:58.179Z

Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 4537
File: packages/trigger-sdk/test/normalizeKeyString.test.ts:1-2
Timestamp: 2026-08-16T18:36:58.179Z
Learning: For related SDK `chat.agent` tests in the Trigger.dev repository—including chat channels, handover, snapshot, and transport-event coverage—keep new test files under `packages/trigger-sdk/test/` rather than colocating them with the `packages/trigger-sdk/src/v3/` source files.

Applied to files:

• packages/trigger-sdk/test/chat-end-and-continue.test.ts

📚 Learning: 2026-05-07T12:25:18.271Z

Learnt from: d-cs
Repo: triggerdotdev/trigger.dev PR: 3531
File: apps/webapp/test/sentryTraceContext.server.test.ts:9-47
Timestamp: 2026-05-07T12:25:18.271Z
Learning: In the triggerdotdev/trigger.dev webapp test suite, it is acceptable to leave `createInMemoryTracing()` calls that register a global `NodeTracerProvider` without `afterEach`/`afterAll` teardown. Do not flag this as a test-ordering risk when the code follows the established pattern used across webapp tests (e.g., replication service/benchmark/backfiller tests). This is considered safe because `trace.getActiveSpan()` when called outside a `context.with(...)` block reads `AsyncLocalStorage.getStore()` (undefined when no `run()` scope exists), so it falls back to `ROOT_CONTEXT` with no attached span—regardless of which provider is registered.

Applied to files:

• apps/webapp/test/helpers/testChatAgent.ts

📚 Learning: 2026-05-28T20:02:10.647Z

Learnt from: myftija
Repo: triggerdotdev/trigger.dev PR: 3772
File: apps/webapp/test/findOrCreateBackgroundWorker.test.ts:1-1
Timestamp: 2026-05-28T20:02:10.647Z
Learning: In the triggerdotdev/trigger.dev monorepo, for the `apps/webapp` package use the established convention of storing Vitest tests (unit, integration, and e2e) under `apps/webapp/test/` rather than colocating them next to source files. Do not flag files located in `apps/webapp/test/` as violating any rule that says to colocate tests with source.

Applied to files:

• apps/webapp/test/helpers/testChatAgent.ts

📚 Learning: 2026-07-30T18:43:56.874Z

Learnt from: 0ski
Repo: triggerdotdev/trigger.dev PR: 4426
File: apps/webapp/test/memberDevEnvironments.server.test.ts:124-125
Timestamp: 2026-07-30T18:43:56.874Z
Learning: In the `apps/webapp` test suite (`apps/webapp/test/**`), respect the established test harness in `apps/webapp/test/setup.ts`: it loads `.env` and provides default values for required environment variables so that transitive imports (e.g., `~/env.server`) work without production-style wiring.

During code review, do not require dependency injection/refactoring solely to avoid this existing import path. Only introduce configuration injection if it delivers production-level value (for example, a more general `createEnvironment` abstraction that improves runtime behavior beyond test setup).

Applied to files:

• apps/webapp/test/helpers/testChatAgent.ts

📚 Learning: 2026-08-08T12:49:17.489Z

Learnt from: kathiekiwi
Repo: triggerdotdev/trigger.dev PR: 4525
File: apps/webapp/test/dashboardAgentWatchAlertOwnerScope.test.ts:101-109
Timestamp: 2026-08-08T12:49:17.489Z
Learning: In apps/webapp/test, every test suite that creates a client with createDashboardAgentDb(connectionUri, ...) must close the DashboardAgentDbClient in afterEach. Although postgresTest drops cloned databases with WITH (FORCE), it does not clean up client-side postgres-js pool sockets or idle timers, so explicitly closing the client prevents resource leaks and test interference.

Applied to files:

• apps/webapp/test/helpers/testChatAgent.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/test/helpers/testChatAgent.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/test/helpers/testChatAgent.ts

📚 Learning: 2026-07-03T17:10:21.498Z

Learnt from: 0ski
Repo: triggerdotdev/trigger.dev PR: 4148
File: apps/webapp/app/models/orgMember.server.ts:149-168
Timestamp: 2026-07-03T17:10:21.498Z
Learning: In triggerdotdev/trigger.dev, `User.email` (Prisma schema: `internal-packages/database/prisma/schema.prisma`) currently does NOT use `citext` and does NOT have a `lower(email)` functional unique index. Therefore, do not introduce Prisma queries like `where: { email: { equals: <value>, mode: "insensitive" } }` (or any case-insensitive lookup) against `User.email`, because it can force sequential scans of the `users` table under load. During review, ensure email is normalized (e.g., lowercased/trimmed) before both writes and subsequent lookups, and if true case-insensitive behavior/uniqueness is required, implement it via a separate app-wide migration (e.g., switch to `citext` and/or add a functional unique index with backfill) rather than bolting it onto individual feature PRs.

Applied to files:

• apps/webapp/test/helpers/testChatAgent.ts

🔇 Additional comments (2)

apps/webapp/test/helpers/testChatAgent.ts (1)

272-321: LGTM!

packages/trigger-sdk/test/chat-end-and-continue.test.ts (1)

1-10: LGTM!

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Walkthrough

Added chat.endAndContinue() for custom-agent runs. The SDK tracks custom-agent context and active session iterators, starts continuation runs through the Sessions API, preserves session input, and supports managed-agent recovery replay. Upgrade handling now uses shared handoff logic. Tests cover successful handoffs, buffered input, missing runs, iterator guards, and invalid call contexts. Documentation describes managed and custom-agent upgrade flows, recovery behavior, and handoff requirements. Added a patch changeset for @trigger.dev/sdk.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Title check	✅ Passed	The title clearly and concisely identifies the main change: exposing endAndContinue for custom agents.
Description check	✅ Passed	The description explains the change, testing, checklist, and changelog; only the optional issue and screenshots sections are absent.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[github-actions]

Hi @gtremper, thanks for your interest in contributing!

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This PR will be closed automatically. See https://github.com/triggerdotdev/trigger.dev/blob/main/CONTRIBUTING.md for more details.

[devin-ai-integration]

Devin Review found 1 potential issue.

[devin-ai-integration]

📝 Info: chatId/callingRunId resolution swap is behaviour-preserving

writeUpgradeRequiredChunk now resolves chatId from chatExternalIdKey instead of the session handle's id (the deleted getChatIdFromContext). Both are equivalent at every call site: chatSessionHandleKey is set as sessions.open(payload.chatId) in packages/trigger-sdk/src/v3/ai.ts:5364 and :5480, and SessionHandle.id is exactly the constructor argument (packages/trigger-sdk/src/v3/sessions.ts:248-254), i.e. payload.chatId — the same value stored in chatExternalIdKey. Similarly, chatAgentRunContextKey.run.id is runOptions.ctx.run.id, matching the previous taskContext.ctx?.run.id. The one contextual difference (the subtask/tool fallback in getChatSession() sets chatSessionHandleKey but not chatExternalIdKey) is not reachable from either writeUpgradeRequiredChunk call site (:7088, :9825), both of which live inside the agent loops that seed both keys.

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