- error.tsx -> ErrorPage (keep telemetry on mount; retry wired to Next reset).
- (dashboard)/loading.tsx -> LoadingSpinner inside the existing skeleton.
- not-found.tsx already used NotFoundPage (confirmed, unchanged).
- dashboard overview page.tsx header -> PageHeader (Refresh as actions; the
subtitle/last-updated line preserved directly below).
Rich detail headers (e.g. users/[id] back-button + plan/status badges) left
bespoke on purpose: PageHeader has no subtitle/badge slot, so forcing it would
regress them (additive-only rule). dashboard-components reads --color-* which
admin maps via @theme inline, so it themes in light + dark.
Verify: typecheck+lint+build green (123 routes); vitest 20 files / 168 tests
(+3 happy-dom chrome render tests); format:check no new failures; e2e 11 passed
/ 80 failed (unchanged vs UX-1 baseline — environmental).
Generated with [Devin](https://cli.devin.ai/docs)
Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
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