docs: refresh admin dashboard docs and screenshot

- Document WebSocket-streamed live metrics (2s) with 5s polling fallback, the overview KPIs and live charts, and the cluster-view toggle (aggregated vs this-node, disabled in single-node).

- Complete the API endpoint list (stats, cache, ws/stats, cluster endpoints, cache/clear) to match the registered routes. - Regenerate static/admin-dashboard.png for the redesigned dashboard.

Fixes the stale 'auto-refreshes every 5 seconds' claim.
This commit is contained in:
2026-06-21 13:15:26 +01:00
parent 55fc2ae1de
commit bafb94c742
2 changed files with 20 additions and 4 deletions
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