348ffaec1c
OnSnapshotChanged used to re-project every cluster group and re-render the whole page for each driver publish, per open tab. It now only marks a CoalescingDirtyFlag; the 5 s tick rebuilds when the flag is set or the config load changed (or evicted) anything. Refs #745 Claude-Session: https://claude.ai/code/session_01Ub9hGmYLQvn9XETzw7CMsT