Learnt from: matt-aitken
Repo: triggerdotdev/trigger.dev PR: 3019
File: apps/webapp/app/components/primitives/charts/Card.tsx:26-30
Timestamp: 2026-02-11T16:37:32.429Z
Learning: In projects using react-grid-layout, avoid relying on drag-handle class to imply draggability. Ensure drag-handle elements only affect dragging when the parent grid item is configured draggable in the layout; conditionally apply cursor styles based on the draggable prop. This improves correctness and accessibility.

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`).

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.

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.

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.

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`.

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).

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.

Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 3368
File: apps/webapp/app/components/logs/LogsTaskFilter.tsx:135-163
Timestamp: 2026-04-16T14:21:15.229Z
Learning: When rendering lists of task registry items in apps/webapp (e.g., <SelectItem /> rows) and using `key={item.slug}`, do not flag it as potentially non-unique. In trigger.dev’s `TaskIdentifier` table, the DB constraint `@unique([runtimeEnvironmentId, slug])` guarantees `slug` is unique within a given runtime environment, so `item.slug` is safe as the React key as long as the list is derived from that registry/constraint (and not from a legacy query that could produce duplicate slugs).

Learnt from: samejr
Repo: triggerdotdev/trigger.dev PR: 3538
File: apps/webapp/app/components/primitives/Resizable.tsx:60-78
Timestamp: 2026-05-08T21:00:20.973Z
Learning: In the triggerdotdev/trigger.dev codebase, treat Zod as a boundary validation tool (API handlers, request/response validation, and storage/DB read/write validation), not as inline render-time validation inside React components/primitive UI code. For render-time guards, prefer small manual type-narrowing checks (e.g., a short predicate like ~10–20 lines) over importing Zod into UI primitives, to avoid per-render schema-parse overhead and unnecessary abstraction. Use the manual guard approach unless you truly need schema validation at a boundary; only then introduce Zod.

Learnt from: carderne
Repo: triggerdotdev/trigger.dev PR: 4039
File: apps/webapp/app/routes/invite-resend.tsx:0-0
Timestamp: 2026-06-25T18:21:55.847Z
Learning: In the triggerdotdev/trigger.dev Zod 4 migration, avoid importing from the root package `conform-to/zod` in webapp code. It can resolve to the Zod 3 build and may crash at module load under Zod 4. When reviewing TypeScript/TSX files in `apps/webapp`, prefer importing from the Zod 4 subpath `conform-to/zod/v4` for Zod 4-compatible schemas/types.

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.

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.

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.

Learnt from: carderne
Repo: triggerdotdev/trigger.dev PR: 4039
File: apps/webapp/app/routes/confirm-basic-details.tsx:0-0
Timestamp: 2026-06-25T18:21:54.729Z
Learning: For Remix + TypeScript files that use Conform v1 (conform-to/react) and its getInputProps helper, when you intend to suppress the helper-provided default value for non-checkbox/non-radio inputs (e.g., hidden inputs managed via an explicit value prop), use the Conform v1 option key `value: false`. Do not recommend `defaultValue: false` here, because `defaultValue` is not a valid option key for these input types in Conform v1 typings.

Learnt from: 0ski
Repo: triggerdotdev/trigger.dev PR: 2994
File: apps/webapp/app/routes/_app.orgs.$organizationSlug.projects.$projectParam.env.$envParam.environment-variables/route.tsx:553-555
Timestamp: 2026-02-03T18:27:40.429Z
Learning: In apps/webapp/app/routes/_app.orgs.$organizationSlug.projects.$projectParam.env.$envParam.environment-variables/route.tsx, the menu buttons (e.g., Edit with PencilSquareIcon) in the TableCellMenu are intentionally icon-only with no text labels as a compact UI pattern. This is a deliberate design choice for this route; preserve the icon-only behavior for consistency in this file.

Learnt from: samejr
Repo: triggerdotdev/trigger.dev PR: 3319
File: apps/webapp/app/routes/_app.orgs.$organizationSlug.projects.$projectParam.env.$envParam.bulk-actions/route.tsx:179-189
Timestamp: 2026-04-02T19:18:26.255Z
Learning: In this repo’s route components that render the Inspector `ResizablePanelGroup` panels, it’s acceptable to pass `collapsed={!isShowingInspector}` together with a no-op `onCollapseChange={() => {}}` when panel visibility is intentionally controlled only by route parameters (e.g., `*Param` search/route params) rather than user drag/collapse interactions. Do not flag an empty/no-op `onCollapseChange` as “missing wiring” in these cases; only flag it when collapse state is expected to change based on user interaction.

Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 3542
File: apps/webapp/app/routes/_app.orgs.$organizationSlug.projects.$projectParam.env.$envParam.sessions._index/route.tsx:40-42
Timestamp: 2026-05-12T21:04:00.184Z
Learning: In triggerdotdev/trigger.dev route loader implementations (Remix `route.tsx` files under `apps/webapp/app/routes/**`), follow the existing convention for missing/unauthorized environment lookups: when `findEnvironmentBySlug` (or the equivalent env resolver) returns a falsy value, handle it by throwing `new Error("Environment not found")` rather than returning a `404` `Response` (i.e., do not flag this as “missing 404 response”). Changing the error-to-404 convention is a cross-cutting refactor and should be left out of individual PRs unless the PR explicitly addresses that broader migration.