fix(auth): make admin pages reachable — async capability guard + sticky dev role + nav
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The admin pages (/beheer/stamdata, /brief/huisstijl) were unreachable in the browser,
for three compounding reasons — all fixed here:

- **Guard raced /me.** capabilityGuard read can() synchronously while /me was still
  loading, so it denied even an entitled admin (deny-by-default) and bounced to /login.
  It's now async: awaits AccessStore.whenReady() (new — resolves once /me settles), then
  allows if entitled; an authenticated-but-unentitled user goes to /dashboard, anonymous
  to /login. + auth.guard.spec (the missing test that let this ship).
- **Dev role wasn't sticky.** currentRole() read ?role= from the URL on every request,
  but login/nav drop the param, silently reverting admin→drafter mid-session and 403-ing
  the admin endpoints. It now persists the role per-tab (sessionStorage), so every
  role-aware request keeps it. Dev-only (the interceptor is wired only under isDevMode).
- **No way in.** Added capability-gated Huisstijl + Stamdata links to the header (shown
  only when /me grants the cap); injecting AccessStore there also warms /me early. New
  en translations for the two labels; site-header story stubs AccessStore (+ AsAdmin
  variant) so it needs no HTTP.

Verified live: with ?role=admin the header shows both links, clicking Stamdata loads the
grid (GET /api/v1/stamdata → 200, was 403→redirect); a non-admin sees no link. Full
`npm run ci` green (310 tests); site-header stories pass axe.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
eho
2026-07-21 21:03:32 +02:00
co-authored by Claude Opus 4.8
parent c0834cdbce
commit f7196768ea
10 changed files with 1831 additions and 1503 deletions
+1630 -1472
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