fix: match SET_TRACED_PROCESSORS payload to agent protocol

Payload now sends {processors: {id: "BOTH"}} map instead of
{routeId, processorIds[]} array. Tracing state keyed by application
name (global, not per-route) matching agent behavior.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ui/src/pages/ExchangeDetail/ExchangeDetail.tsx

@@ -164,26 +164,26 @@ export default function ExchangeDetail() {
   const { toast } = useToast()
   const tracingStore = useTracingStore()
   const sendCommand = useSendGroupCommand()
-  const appRoute = detail ? `${detail.applicationName}:${detail.routeId}` : ''
+  const app = detail?.applicationName ?? ''
 
   const handleToggleTracing = useCallback((processorId: string) => {
-    if (!processorId || !detail?.applicationName || !detail?.routeId) return
-    const newSet = tracingStore.toggleProcessor(appRoute, processorId)
+    if (!processorId || !detail?.applicationName) return
+    const newMap = tracingStore.toggleProcessor(app, processorId)
     sendCommand.mutate({
       group: detail.applicationName,
       type: 'set-traced-processors',
-      payload: { routeId: detail.routeId, processorIds: Array.from(newSet) },
+      payload: { processors: newMap },
     }, {
       onSuccess: (data) => {
-        const action = newSet.has(processorId) ? 'enabled' : 'disabled'
+        const action = processorId in newMap ? 'enabled' : 'disabled'
         toast({ title: `Tracing ${action}`, description: `${processorId} — sent to ${data?.targetCount ?? 0} agent(s)`, variant: 'success' })
       },
       onError: () => {
-        tracingStore.toggleProcessor(appRoute, processorId)
+        tracingStore.toggleProcessor(app, processorId)
         toast({ title: 'Command failed', description: 'Could not send tracing command', variant: 'error' })
       },
     })
-  }, [detail, appRoute, tracingStore, sendCommand, toast])
+  }, [detail, app, tracingStore, sendCommand, toast])
 
   // Correlation chain
   const correlatedExchanges = useMemo(() => {
@@ -346,7 +346,7 @@ export default function ExchangeDetail() {
                   const pid = processorIds[index]
                   if (!pid || !detail?.applicationName) return []
                   return [{
-                    label: tracingStore.isTraced(appRoute, pid) ? 'Disable Tracing' : 'Enable Tracing',
+                    label: tracingStore.isTraced(app, pid) ? 'Disable Tracing' : 'Enable Tracing',
                     onClick: () => handleToggleTracing(pid),
                     disabled: sendCommand.isPending,
                   }]
@@ -365,7 +365,7 @@ export default function ExchangeDetail() {
                   const pid = flowProcessorIds[index]
                   if (!pid || !detail?.applicationName) return []
                   return [{
-                    label: tracingStore.isTraced(appRoute, pid) ? 'Disable Tracing' : 'Enable Tracing',
+                    label: tracingStore.isTraced(app, pid) ? 'Disable Tracing' : 'Enable Tracing',
                     onClick: () => handleToggleTracing(pid),
                     disabled: sendCommand.isPending,
                   }]