test(web): give the auth-redirect suite a budget that fits its work

Each case in client.authRedirect.test.ts calls vi.resetModules() and then
re-imports client.ts, so the file re-evaluates a 6.5k-line module six times.
That exceeds vitest's 5s default once the suite runs workers in parallel, which
failed the run non-deterministically depending on machine load.

Testing: `npm test` in web/ four consecutive times, 400/400 each.

Author: albertrdixon

web/src/api/client.authRedirect.test.ts

@@ -74,6 +74,8 @@ beforeEach(() => {
   vi.restoreAllMocks()
 })
 
+// resetModules per case re-evaluates client.ts in full, so six of those exceed
+// vitest's 5s default once workers run in parallel.
 describe('apiFetch OIDC 401 -> login redirect (single-flight)', () => {
   it('navigates to /auth/login exactly once for a burst of concurrent 401s', async () => {
     const rec = installDom('/traffic')
@@ -191,4 +193,4 @@ describe('apiFetch OIDC 401 -> login redirect (single-flight)', () => {
     expect(rec.urls).toEqual(['[reload]'])
     expect(rec.urls).not.toContain('/auth/login')
   })
-})
+}, 30_000)