- New "Live" tab: auto-polls /api/federated/live every 2.5s with
animated counters, ingestion throughput sparkline, per-source
write-rate bars, a region scorecard matrix (heat-shaded) and live
business breakdown charts (region/channel/status/customers/
telemetry/supply)
- Backend /api/federated/live: instant source estimates (Postgres),
monotonic max(event_id) for MySQL and Mongo estimated count for
immediate movement, Cassandra from cached matrix; business aggs
cached over the small Hadoop lake tables (short TTL)
- Fix embedded Trino panels being squeezed with internal scrollbars
by making panels/grids shrink-0 so the page scrolls instead
mo
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