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GeezerVison is showing github.com — fix(cli): stop dev runs crashing when a rebuild removes an in-use build dir by ericallam · Pull Request #4276 · triggerdotdev/trigger.dev Conversation
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🦋 Changeset detectedLatest commit: 278c410 The changes in this PR will be included in the next version bump. This PR includes changesets to release 26 packages
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WalkthroughThe dev runtime now checks for a missing worker entry point before starting a run, reports dequeued runs whose workers were superseded by rebuilds, and propagates branch-scoped watchdog lock-file paths. Watchdog cleanup reads the lock-file PID and preserves temporary directories owned by another live session. A patch changeset documents these build-race fixes. 🚥 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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@trigger.dev/build
trigger.dev
@trigger.dev/core
@trigger.dev/python
@trigger.dev/react-hooks
@trigger.dev/redis-worker
@trigger.dev/rsc
@trigger.dev/schema-to-json
@trigger.dev/sdk
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packages/cli-v3/src/entryPoints/dev-run-controller.ts (1)
605-613: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚖️ Poor tradeoffConsider moving
dev-run-controller.tstosrc/dev/to align with directory guidelines.The logic correctly handles missing worker entry points during concurrent rebuilds. However, since
DevRunControlleris dev-mode code executed locally byDevSupervisor, its location insrc/entryPoints/conflicts with the project's directory guidelines.As per coding guidelines, dev mode code should be located in
src/dev/, while code insrc/entryPoints/is specifically intended to run inside customer containers. Consider relocating this file tosrc/dev/as a future refactoring to maintain accurate runtime boundaries.Source: Coding guidelines
Configuration used: Repository UI
Review profile: CHILL
Plan: Pro
Run ID: a8131564-317e-4d40-8944-0a8d871911d6
.changeset/fix-dev-build-dir-race.mdpackages/cli-v3/src/dev/devSupervisor.tspackages/cli-v3/src/dev/devWatchdog.tspackages/cli-v3/src/entryPoints/dev-run-controller.ts📄 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 dynamicimport(); use dynamic imports only for unresolvable circular dependencies, genuine performance code splitting, or conditional runtime loading.
Import Trigger.dev tasks from@trigger.dev/sdk; never use@trigger.dev/sdk/v3or deprecatedclient.defineJob.
Add agentcrumbs while writing code using approved namespaces; mark lines with//@Crumbsor blocks with `// `#region` `@crumbs, and strip them before merging.
Files:
packages/cli-v3/src/entryPoints/dev-run-controller.tspackages/cli-v3/src/dev/devWatchdog.tspackages/cli-v3/src/dev/devSupervisor.ts📄 CodeRabbit inference engine (.github/copilot-instructions.md)
Use function declarations instead of default exports
Files:
packages/cli-v3/src/entryPoints/dev-run-controller.tspackages/cli-v3/src/dev/devWatchdog.tspackages/cli-v3/src/dev/devSupervisor.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/cli-v3/src/entryPoints/dev-run-controller.tspackages/cli-v3/src/dev/devWatchdog.tspackages/cli-v3/src/dev/devSupervisor.ts📄 CodeRabbit inference engine (packages/cli-v3/CLAUDE.md)
Code in
src/entryPoints/runs inside customer containers and is a different runtime environment from the CLI - changes affect deployed task execution directly
Files:
packages/cli-v3/src/entryPoints/dev-run-controller.ts📄 CodeRabbit inference engine (AGENTS.md)
For public packages, use
buildfor verification.
Files:
packages/cli-v3/src/entryPoints/dev-run-controller.tspackages/cli-v3/src/dev/devWatchdog.tspackages/cli-v3/src/dev/devSupervisor.ts📄 CodeRabbit inference engine (packages/cli-v3/CLAUDE.md)
Dev mode code should be located in
src/dev/and runs tasks locally in the user's Node.js process without containers
Files:
packages/cli-v3/src/dev/devWatchdog.tspackages/cli-v3/src/dev/devSupervisor.tsLearnt 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/cli-v3/src/entryPoints/dev-run-controller.tspackages/cli-v3/src/dev/devWatchdog.tspackages/cli-v3/src/dev/devSupervisor.tsLearnt 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/cli-v3/src/entryPoints/dev-run-controller.tspackages/cli-v3/src/dev/devWatchdog.tspackages/cli-v3/src/dev/devSupervisor.tsLearnt 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/cli-v3/src/entryPoints/dev-run-controller.tspackages/cli-v3/src/dev/devWatchdog.tspackages/cli-v3/src/dev/devSupervisor.tsLearnt 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/cli-v3/src/entryPoints/dev-run-controller.tspackages/cli-v3/src/dev/devWatchdog.tspackages/cli-v3/src/dev/devSupervisor.tsLearnt 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/cli-v3/src/entryPoints/dev-run-controller.tspackages/cli-v3/src/dev/devWatchdog.tspackages/cli-v3/src/dev/devSupervisor.tsLearnt 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/cli-v3/src/entryPoints/dev-run-controller.tspackages/cli-v3/src/dev/devWatchdog.tspackages/cli-v3/src/dev/devSupervisor.tsLearnt 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/cli-v3/src/entryPoints/dev-run-controller.tspackages/cli-v3/src/dev/devWatchdog.tspackages/cli-v3/src/dev/devSupervisor.tsLearnt 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/cli-v3/src/entryPoints/dev-run-controller.tspackages/cli-v3/src/dev/devWatchdog.tspackages/cli-v3/src/dev/devSupervisor.tsLearnt 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/cli-v3/src/entryPoints/dev-run-controller.tspackages/cli-v3/src/dev/devWatchdog.tspackages/cli-v3/src/dev/devSupervisor.tspackages/cli-v3/src/dev/devSupervisor.ts (1)
597-623: LGTM!.changeset/fix-dev-build-dir-race.md (1)
5-5: LGTM!packages/cli-v3/src/dev/devWatchdog.ts (1)
81-95: 🎯 Functional CorrectnessNo issue:
readFileSyncis imported andparentPidis defined in file scope.> Likely an incorrect or invalid review comment.
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## Summary 5 improvements, 5 bug fixes. ## Improvements - Add `node-24` and `node-26` as supported `runtime` options in `trigger.config.ts`. The `experimental-node-24` and `experimental-node-26` names are now deprecated aliases and emit a deprecation warning; switch to `node-24` / `node-26` instead. ([#4337](#4337)) ```ts import { defineConfig } from "@trigger.dev/sdk"; export default defineConfig({ runtime: "node-24", project: "<your-project-ref>", }); ``` - Avoid logging task run environment variable values at debug level ([#4336](#4336)) - Custom chat agent loops get two ergonomic wins for owning the turn loop. ([#4304](#4304)) `chat.writeTurnComplete()` now returns the turn boundary's resume cursors (`lastEventId` for the output stream and `sessionInEventId` for the input stream), so you can persist them straight from the task instead of round-tripping them back from the client. ```ts const { lastEventId, sessionInEventId } = await chat.writeTurnComplete(); await db.chats.update(chatId, { lastEventId, sessionInEventId }); ``` `chat.pipeAndCapture()` no longer throws when a stream is stopped or fails. It now returns a `PipeAndCaptureResult` whose `message` holds any partial output captured before the stop or failure, alongside a typed `status` (`"complete" | "aborted" | "error"`) and, on failure, the `error`. Read the message off the result: ```ts const { message, status, error } = await chat.pipeAndCapture(result, { signal, }); if (message) conversation.addResponse(message); if (status === "error") logger.error("turn failed", { error }); ``` Note: `pipeAndCapture` previously resolved to `UIMessage | undefined`. Update call sites to read `.message` from the returned result. - Suppress a build-time warning that could appear in Vite-based projects when the optional `@ai-sdk/otel` package is not installed. ([#4188](#4188)) ## Bug fixes - Fixes intermittent `trigger dev` run crashes where a run could fail at boot with a cryptic `Cannot find module .../dev-run-worker.mjs` after a rebuild had cleaned up the build directory the run was launched against. Dev runs now retry cleanly instead of hard-crashing when their build directory is missing, the dev watchdog no longer removes the build tree of a still-running session, and a run assigned to a worker version that was superseded by a rebuild now fails fast with a clear message instead of silently hanging until it times out. ([#4276](#4276)) ## Server changes These changes affect the self-hosted Docker image and Trigger.dev Cloud: - Refreshed the side menu: separate organization and account menus, a new project switcher, and the menu is now resizable by dragging its edge. The account Profile page has also been redesigned. ([#4066](#4066)) - Allow different organization members to use the same development branch name without sharing or colliding with each other's branch environments. ([#4323](#4323)) - Limit account settings email input to 254 characters. ([#4330](#4330)) - Prevent duplicate Staging and Preview environments when account setup requests overlap ([#4261](#4261)) - Fix the docs link on the empty Prompts page, which pointed to a page that no longer exists. ([#4247](#4247)) <details> <summary>Raw changeset output</summary> # Releases ## @trigger.dev/[email protected] ### Patch Changes - Updated dependencies: - `@trigger.dev/[email protected]` ## [email protected] ### Patch Changes - Fixes intermittent `trigger dev` run crashes where a run could fail at boot with a cryptic `Cannot find module .../dev-run-worker.mjs` after a rebuild had cleaned up the build directory the run was launched against. Dev runs now retry cleanly instead of hard-crashing when their build directory is missing, the dev watchdog no longer removes the build tree of a still-running session, and a run assigned to a worker version that was superseded by a rebuild now fails fast with a clear message instead of silently hanging until it times out. ([#4276](#4276)) - Add `node-24` and `node-26` as supported `runtime` options in `trigger.config.ts`. The `experimental-node-24` and `experimental-node-26` names are now deprecated aliases and emit a deprecation warning; switch to `node-24` / `node-26` instead. ([#4337](#4337)) ```ts import { defineConfig } from "@trigger.dev/sdk"; export default defineConfig({ runtime: "node-24", project: "<your-project-ref>", }); ``` - Avoid logging task run environment variable values at debug level ([#4336](#4336)) - Updated dependencies: - `@trigger.dev/[email protected]` - `@trigger.dev/[email protected]` - `@trigger.dev/[email protected]` ## @trigger.dev/[email protected] ### Patch Changes - Add `node-24` and `node-26` as supported `runtime` options in `trigger.config.ts`. The `experimental-node-24` and `experimental-node-26` names are now deprecated aliases and emit a deprecation warning; switch to `node-24` / `node-26` instead. ([#4337](#4337)) ```ts import { defineConfig } from "@trigger.dev/sdk"; export default defineConfig({ runtime: "node-24", project: "<your-project-ref>", }); ``` ## @trigger.dev/[email protected] ### Patch Changes - Updated dependencies: - `@trigger.dev/[email protected]` - `@trigger.dev/[email protected]` - `@trigger.dev/[email protected]` ## @trigger.dev/[email protected] ### Patch Changes - Updated dependencies: - `@trigger.dev/[email protected]` ## @trigger.dev/[email protected] ### Patch Changes - Updated dependencies: - `@trigger.dev/[email protected]` ## @trigger.dev/[email protected] ### Patch Changes - Updated dependencies: - `@trigger.dev/[email protected]` ## @trigger.dev/[email protected] ### Patch Changes - Updated dependencies: - `@trigger.dev/[email protected]` ## @trigger.dev/[email protected] ### Patch Changes - Custom chat agent loops get two ergonomic wins for owning the turn loop. ([#4304](#4304)) `chat.writeTurnComplete()` now returns the turn boundary's resume cursors (`lastEventId` for the output stream and `sessionInEventId` for the input stream), so you can persist them straight from the task instead of round-tripping them back from the client. ```ts const { lastEventId, sessionInEventId } = await chat.writeTurnComplete(); await db.chats.update(chatId, { lastEventId, sessionInEventId }); ``` `chat.pipeAndCapture()` no longer throws when a stream is stopped or fails. It now returns a `PipeAndCaptureResult` whose `message` holds any partial output captured before the stop or failure, alongside a typed `status` (`"complete" | "aborted" | "error"`) and, on failure, the `error`. Read the message off the result: ```ts const { message, status, error } = await chat.pipeAndCapture(result, { signal, }); if (message) conversation.addResponse(message); if (status === "error") logger.error("turn failed", { error }); ``` Note: `pipeAndCapture` previously resolved to `UIMessage | undefined`. Update call sites to read `.message` from the returned result. - Suppress a build-time warning that could appear in Vite-based projects when the optional `@ai-sdk/otel` package is not installed. ([#4188](#4188)) - Updated dependencies: - `@trigger.dev/[email protected]` </details> Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
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