The backend identity rename (applicationName → applicationId,
agentId → instanceId) was not reflected in the frontend. This caused
drilldown to fail (detail.applicationName was undefined, disabling
the diagram fetch) and various display issues.
Updated schema.d.ts, ExchangeHeader, ExecutionDiagram, Dashboard,
AgentHealth, AgentInstance, LayoutShell, LogTab, InfoTab, DetailPanel,
ExchangesPage, and tracing-store.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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