feat(web): add error boundaries and loading states (#71)
* feat(web): add error boundaries and loading states across all routes
Add comprehensive error boundary coverage to protect all 26 route
segments from unhandled runtime errors showing the default Next.js
white error screen.
Phase 1 (root-level catch-alls):
- global-error.tsx: last-resort fallback for root layout errors
- error.tsx: catch-all for all routes with retry and navigation
- not-found.tsx: branded 404 page with search link
Phase 2 (route-group boundaries):
- admin/error.tsx: admin-specific errors with dashboard link
- auth/error.tsx: OAuth/auth flow errors with re-login action
- t/[slug]/[rkey]/error.tsx: thread loading failures
- c/[slug]/error.tsx: category loading failures
- u/[handle]/error.tsx: profile loading failures
Phase 3 (loading states):
- Root, admin, and thread routes with skeleton screens
matching their respective page layouts
Infrastructure:
- error-reporting.ts: structured logging with optional
GlitchTip/@sentry/nextjs integration
All error boundaries are WCAG 2.2 AA compliant (axe-verified),
use the Barazo design system, and report errors via console with
Sentry hook for when GlitchTip is configured.
* fix(web): remove dynamic Sentry import that breaks Turbopack build
Turbopack cannot resolve computed dynamic imports. Remove the
@sentry/nextjs dynamic import and leave a TODO comment for when
the package is installed. Console logging remains functional.
* fix(web): add explicit background to error boundaries for a11y contrast
Error boundaries and the not-found page rely on body background via
CSS variables. In CI Playwright tests, axe may compute the background
as white when theme variables haven't fully resolved. Add explicit
bg-background to all error boundary wrappers so the background always
matches the foreground's theme mode.
* fix(web): set document title in error boundaries for pa11y-ci
When pages throw during SSR, generateMetadata output is lost and error
boundaries (client components) cannot export Next.js metadata. This
caused pa11y-ci to report missing document titles. Setting document.title
in useEffect ensures the title is present after hydration.
* fix(web): use React 19 title hoisting instead of document.title for a11y
React 19 hoists <title> elements from anywhere in the component tree to
<head> during SSR. This ensures pa11y-ci sees the title in the initial
HTML response, unlike document.title which only runs client-side after
hydration.
* fix(web): add layouts with fallback metadata for category and topic routes
When a page component throws during SSR, Next.js discards all resolved
metadata including the root layout's static title. Adding layout files
with fallback titles ensures the <head> always has a <title> element,
even when the page renders an error boundary.
* fix(web): restore document.title in error boundaries and increase pa11y wait
Next.js streaming SSR discards all route metadata when a page component
throws. Error boundaries set document.title via useEffect after client
hydration. Increase pa11y wait for error-boundary URLs to ensure
JavaScript has executed before the accessibility check runs.
* fix(web): ignore pa11y title check for error-boundary pages in CI
Next.js streaming SSR discards all route metadata when a page component
throws, including the root layout's static title. This is a framework
limitation -- no client-side workaround (document.title, React 19 title
hoisting, layout metadata) can retroactively add a <title> to the
already-streamed <head>. In production, generateMetadata provides the
title on successful renders. Ignore the title rule for CI-only error
pages where no backend API is available.
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