fix(#479): add error state UI for disconnected backend services#711
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AnnabelJoe merged 2 commits intoJul 3, 2026
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…hook for disconnected backend UI - Add useServiceHealth hook that polls /api/health every 30s via react-query - Add ServiceAlert component: shows degraded/error banner with affected service names and retry guidance; hides when all services are healthy; never exposes stack traces - Render ServiceAlert at top of dashboard page - Add unit tests covering healthy/loading/degraded/error states
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Closes #479
Changes
useServiceHealthhook — polls/api/healthevery 30s; returnshasIssues, human-readabledegradedServices, andrefetchServiceAlertcomponent — shows distinct degraded/error banner with affected service names and recovery guidance; hides when healthy; never exposes raw stack traces; includes retry buttonServiceAlertat top of pageAcceptance criteria met
Tests