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Matt Aitken 6563793132 fix(webapp): dashboard timezone display + preference persistence (#4104)
## Summary

Two related timezone bugs in the dashboard.

1. The date/time tooltip could show a UTC offset label that contradicted
the time it displayed. A viewer whose machine clock differs from their
saved timezone (or when a date falls in the other DST phase) would see
something like `Local (UTC +0)` next to a value that isn't at +0.
2. A user's timezone preference silently failed to save whenever their
browser reported a zone like `UTC`, `Etc/UTC`, or `Asia/Kolkata`,
leaving their timestamps stuck in a previously-saved timezone.

## Offset label

The "Local" row formatted its time using the viewer's configured
timezone but computed the `(UTC +n)` label from `new
Date().getTimezoneOffset()`, the browser's offset at the current moment.
Those are two independent sources, so they disagreed when the configured
timezone differed from the machine, and also when the displayed date was
in the opposite DST phase. The label is now derived from the same date
and timezone used to render the row (via `Intl.DateTimeFormat` with
`timeZoneName: "longOffset"`), so it always matches the displayed time.

## Preference persistence

`/resources/timezone` validated the incoming zone against
`Intl.supportedValuesOf("timeZone")`, which lists only canonical zone
ids. Browsers report zones that aren't in that list via
`resolvedOptions().timeZone`, notably `UTC` (and `Etc/UTC`,
`Asia/Kolkata`, `GMT`), so those requests returned 400 and the
preference was never stored. Validation now checks whether the runtime
can resolve the zone at all, which accepts every real zone and still
rejects invalid input.

Added unit tests for both.
2026-07-02 15:04:09 +00:00
..

Webapp tests

Three suites live in this directory.

Unit tests — *.test.ts

Run with pnpm test from apps/webapp. Default vitest pickup. No container setup. Run on every PR via unit-tests-webapp.yml.

Smoke e2e — *.e2e.test.ts

End-to-end auth baseline that proves the route auth plumbing is wired up. Each file spins up its own webapp + Postgres + Redis container in beforeAll (~30s startup). Vitest config: vitest.e2e.config.ts. Run on every PR via e2e-webapp.yml.

cd apps/webapp
pnpm exec vitest --config vitest.e2e.config.ts

Comprehensive auth e2e — *.e2e.full.test.ts

The full RBAC auth matrix — every route family with explicit pass/fail scenarios. See TRI-8731 for the parent ticket and TRI-8732 onwards for each family's coverage spec.

Architecture: one container reused across the whole suite via vitest.e2e.full.config.ts's globalSetup. Test files share the server through getTestServer() from helpers/sharedTestServer.ts. Each test seeds its own resources so order doesn't matter.

Layout:

File Top-level describe Family subtasks
auth-api.e2e.full.test.ts API TRI-8733 trigger, TRI-8734 run resource, TRI-8735 run mutations, TRI-8736 run lists, TRI-8737 batches, TRI-8738 prompts, TRI-8739 deployments + query, TRI-8740 waitpoints + input streams, TRI-8741 PAT
auth-dashboard.e2e.full.test.ts Dashboard TRI-8742 admin pages
auth-cross-cutting.e2e.full.test.ts Cross-cutting TRI-8743 deleted projects / revoked keys / expired JWTs / env mismatch / force-fallback toggle

Adding a new family: pick the relevant file, add a nested describe block. Inside, seed your own fixtures via the helpers and hit the shared server.

describe("Trigger task", () => {
  const server = getTestServer();

  it("missing Authorization → 401", async () => {
    const res = await server.webapp.fetch("/api/v1/tasks/x/trigger", { method: "POST", body: "{}" });
    expect(res.status).toBe(401);
  });
});

CI: e2e-webapp-auth-full.yml. Triggers on workflow_dispatch, nightly schedule, and PRs touching auth-relevant paths (route builders, rbac.server.ts, apiAuth.server.ts, apiroutes, the suite itself).

Run locally:

cd apps/webapp
pnpm exec vitest --config vitest.e2e.full.config.ts