feat(admin): redesign dashboard and make cluster view a real control

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Replace the AI-slop visual (indigo->purple gradient, glassmorphism, uniform rounded cards, hover-lift) with a deliberate warm-paper 'instrument panel': monospace tabular telemetry, GraphQL brand magenta accent, flat hairline cards, real type hierarchy, WCAG-AA contrast, focus-visible, prefers-reduced-motion and aria-live status. No new font/CDN deps.

Make the cluster-view toggle functional: the WebSocket stats stream now honours a ?view=local|cluster query param, so toggling streams this-node-only vs aggregated metrics instead of being cosmetic (the stream previously always sent cluster-aware data when an aggregator existed). The toggle is always visible -- disabled with a 'single node' hint when Redis cluster mode is off -- so it is discoverable.

Fix cluster-mode rendering bugs: derive backend health from healthy/total instances (health card no longer stuck on 'Loading'), show 'n/a' for Redis memory instead of a misleading 0 MB, render aggregated CB/retry/coalescing/connections on the polling path too, and surface the proxy version and backend-health detail.

Tests assert the served dashboard against stable markers instead of the cosmetic page title.

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lukaszraczylo

2026-06-21 02:48:20 +01:00

parent 1bff79e4f4

commit 01d1de1f0b

3 changed files with 968 additions and 1345 deletions

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