* feat(ui): cut projects and access-groups over to path routes
Same recipe as playground (#30185): MIGRATED_PAGES entries route the
sidebar and redirect the legacy ?page= URLs, the switch arms are
deleted, and the e2e fixture grows two entries. Both components were
already zero-prop and self-fetching via React Query hooks, so the
route wrappers are trivial.
* refactor(ui): move Projects and AccessGroups components into their route folders
Both folders were imported only by the legacy switch, so they colocate
wholesale under (dashboard)/{projects,access-groups}/components. Their
React Query hooks stay in the shared (dashboard)/hooks layer. eslint
suppressions are re-keyed to the new paths.
* test(ui): enable enable_projects_ui in e2e global setup
The projects migration smoke clicks the Projects sidebar link, which
only renders when the enterprise-gated enable_projects_ui setting is
on; the seeded e2e database starts with it off, so the locator timed
out in both e2e_ui_testing jobs. CI already launches the proxy with
LITELLM_LICENSE for premium UI coverage, so flip the setting in
globalSetup via the same /update/ui_settings call the admin UI toggle
makes, failing loudly if the PATCH is rejected.
* test(ui): use Playwright request context instead of raw fetch in global setup
The frontend lint bans raw fetch() outside src/lib/http/; the e2e
convention for proxy API calls is Playwright's APIRequestContext, as
in routerSettings.spec.ts.
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