fix(ui): push log sort toggle server-side

Reversing logStream.items client-side breaks across infinite-scroll
pages. Passing sort='asc'/'desc' into the query key and URL triggers
a fresh first-page fetch in the selected order.

ui/src/pages/AgentHealth/AgentHealth.tsx

@@ -312,17 +312,17 @@ export default function AgentHealth() {
     application: appId,
     sources: [...logSources],
     levels: [...logLevels],
+    sort: logSortAsc ? 'asc' : 'desc',
     isAtTop: isLogAtTop,
   });
   const logEntries = useMemo<LogEntry[]>(() => {
-    const mapped = logStream.items.map((l) => ({
+    return logStream.items.map((l) => ({
       timestamp: l.timestamp ?? '',
       level: mapLogLevel(l.level),
       message: l.message ?? '',
       source: l.source ?? undefined,
     }));
-    return logSortAsc ? mapped.toReversed() : mapped;
-  }, [logStream.items, logSortAsc]);
+  }, [logStream.items]);
   const logSearchLower = logSearch.toLowerCase();
   const filteredLogs = logSearchLower
     ? logEntries.filter((l) => l.message.toLowerCase().includes(logSearchLower))

ui/src/pages/AgentInstance/AgentInstance.tsx

@@ -141,17 +141,17 @@ export default function AgentInstance() {
     agentId: instanceId,
     sources: [...logSources],
     levels: [...logLevels],
+    sort: logSortAsc ? 'asc' : 'desc',
     isAtTop: isLogAtTop,
   });
   const logEntries = useMemo<LogEntry[]>(() => {
-    const mapped = logStream.items.map((l) => ({
+    return logStream.items.map((l) => ({
       timestamp: l.timestamp ?? '',
       level: mapLogLevel(l.level),
       message: l.message ?? '',
       source: l.source ?? undefined,
     }));
-    return logSortAsc ? mapped.toReversed() : mapped;
-  }, [logStream.items, logSortAsc]);
+  }, [logStream.items]);
   const searchLower = logSearch.toLowerCase();
   const filteredLogs = searchLower
     ? logEntries.filter((l) => l.message.toLowerCase().includes(searchLower))